[INFO] cloning repository https://github.com/yuk1ty/learning-systems-programming-in-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yuk1ty/learning-systems-programming-in-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuk1ty%2Flearning-systems-programming-in-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuk1ty%2Flearning-systems-programming-in-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ecae58c5a18ee0dcd33f602218de0b88e7570950
[INFO] testing yuk1ty/learning-systems-programming-in-rust against 1.76.0 for beta-1.77-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuk1ty%2Flearning-systems-programming-in-rust" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yuk1ty/learning-systems-programming-in-rust on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-0-tc1/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/yuk1ty/learning-systems-programming-in-rust
[INFO] finished tweaking git repo https://github.com/yuk1ty/learning-systems-programming-in-rust
[INFO] tweaked toml for git repo https://github.com/yuk1ty/learning-systems-programming-in-rust written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/yuk1ty/learning-systems-programming-in-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
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[INFO] [stderr]   Downloaded sysinfo v0.18.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 708e39c5f2cbe5d60f6f536af6de0aa4653d7298e6fc30075102746379255df4
[INFO] running `Command { std: "docker" "start" "-a" "708e39c5f2cbe5d60f6f536af6de0aa4653d7298e6fc30075102746379255df4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "708e39c5f2cbe5d60f6f536af6de0aa4653d7298e6fc30075102746379255df4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "708e39c5f2cbe5d60f6f536af6de0aa4653d7298e6fc30075102746379255df4", kill_on_drop: false }`
[INFO] [stdout] 708e39c5f2cbe5d60f6f536af6de0aa4653d7298e6fc30075102746379255df4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d9eadf87a180cfd517a712c267a03023dfef6e9484fbad2f0043152a4388f0ab
[INFO] running `Command { std: "docker" "start" "-a" "d9eadf87a180cfd517a712c267a03023dfef6e9484fbad2f0043152a4388f0ab", kill_on_drop: false }`
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[INFO] [stderr]    Compiling flate2 v1.0.20
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[INFO] [stderr]    Compiling instant v0.1.9
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling lock_api v0.4.4
[INFO] [stderr]    Compiling tokio v1.6.0
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling tokio-macros v1.2.0
[INFO] [stderr]    Compiling mio v0.7.11
[INFO] [stderr]    Compiling signal-hook-registry v1.3.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.6
[INFO] [stderr]    Compiling bytes v1.0.1
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling thiserror v1.0.24
[INFO] [stderr]    Compiling zip v0.5.12
[INFO] [stderr]    Compiling slab v0.4.3
[INFO] [stderr]    Compiling inotify-sys v0.1.5
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling inotify v0.7.1
[INFO] [stderr]    Compiling filetime v0.2.14
[INFO] [stderr]    Compiling nix v0.20.0
[INFO] [stderr]    Compiling memmap2 v0.2.2
[INFO] [stderr]    Compiling mio-extras v2.0.6
[INFO] [stderr]    Compiling chapter3 v0.1.0 (/opt/rustwide/workdir/chapter3)
[INFO] [stderr]    Compiling notify v4.0.17
[INFO] [stderr]    Compiling chapter2 v0.1.0 (/opt/rustwide/workdir/chapter2)
[INFO] [stderr]    Compiling chapter11 v0.1.0 (/opt/rustwide/workdir/chapter11)
[INFO] [stdout] warning: fields `name` and `value` are never read
[INFO] [stdout]  --> chapter3/src/3_4_3/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct HeaderOwn {
[INFO] [stdout]   |        --------- fields in this struct
[INFO] [stdout] 8 |     name: String,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 9 |     value: String,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `HeaderOwn` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling chapter7 v0.1.0 (/opt/rustwide/workdir/chapter7)
[INFO] [stderr]    Compiling chapter10 v0.1.0 (/opt/rustwide/workdir/chapter10)
[INFO] [stderr]    Compiling chapter9 v0.1.0 (/opt/rustwide/workdir/chapter9)
[INFO] [stderr]    Compiling chapter6 v0.1.0 (/opt/rustwide/workdir/chapter6)
[INFO] [stderr]    Compiling chapter5 v0.1.0 (/opt/rustwide/workdir/chapter5)
[INFO] [stderr]    Compiling chapter12 v0.1.0 (/opt/rustwide/workdir/chapter12)
[INFO] [stderr]    Compiling appendix v0.1.0 (/opt/rustwide/workdir/appendix)
[INFO] [stderr]    Compiling chapter1 v0.1.0 (/opt/rustwide/workdir/chapter1)
[INFO] [stderr]    Compiling chapter8 v0.1.0 (/opt/rustwide/workdir/chapter8)
[INFO] [stderr]    Compiling chapter17 v0.1.0 (/opt/rustwide/workdir/chapter17)
[INFO] [stderr]    Compiling chapter14 v0.1.0 (/opt/rustwide/workdir/chapter14)
[INFO] [stderr]    Compiling chapter13 v0.1.0 (/opt/rustwide/workdir/chapter13)
[INFO] [stderr]    Compiling chapter16 v0.1.0 (/opt/rustwide/workdir/chapter16)
[INFO] [stderr]    Compiling chapter15 v0.1.0 (/opt/rustwide/workdir/chapter15)
[INFO] [stderr]    Compiling chapter4 v0.1.0 (/opt/rustwide/workdir/chapter4)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.46s
[INFO] running `Command { std: "docker" "inspect" "d9eadf87a180cfd517a712c267a03023dfef6e9484fbad2f0043152a4388f0ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9eadf87a180cfd517a712c267a03023dfef6e9484fbad2f0043152a4388f0ab", kill_on_drop: false }`
[INFO] [stdout] d9eadf87a180cfd517a712c267a03023dfef6e9484fbad2f0043152a4388f0ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 785876b42065fbc40650b8f99c0dcab710358dc894e039948b6e856d9a9d2aef
[INFO] running `Command { std: "docker" "start" "-a" "785876b42065fbc40650b8f99c0dcab710358dc894e039948b6e856d9a9d2aef", kill_on_drop: false }`
[INFO] [stderr]    Compiling chapter11 v0.1.0 (/opt/rustwide/workdir/chapter11)
[INFO] [stderr]    Compiling chapter4 v0.1.0 (/opt/rustwide/workdir/chapter4)
[INFO] [stderr]    Compiling chapter10 v0.1.0 (/opt/rustwide/workdir/chapter10)
[INFO] [stderr]    Compiling chapter2 v0.1.0 (/opt/rustwide/workdir/chapter2)
[INFO] [stderr]    Compiling chapter9 v0.1.0 (/opt/rustwide/workdir/chapter9)
[INFO] [stderr]    Compiling chapter7 v0.1.0 (/opt/rustwide/workdir/chapter7)
[INFO] [stderr]    Compiling chapter3 v0.1.0 (/opt/rustwide/workdir/chapter3)
[INFO] [stdout] warning: fields `name` and `value` are never read
[INFO] [stdout]  --> chapter3/src/3_4_3/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct HeaderOwn {
[INFO] [stdout]   |        --------- fields in this struct
[INFO] [stdout] 8 |     name: String,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 9 |     value: String,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `HeaderOwn` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling chapter6 v0.1.0 (/opt/rustwide/workdir/chapter6)
[INFO] [stderr]    Compiling chapter14 v0.1.0 (/opt/rustwide/workdir/chapter14)
[INFO] [stderr]    Compiling chapter12 v0.1.0 (/opt/rustwide/workdir/chapter12)
[INFO] [stderr]    Compiling chapter15 v0.1.0 (/opt/rustwide/workdir/chapter15)
[INFO] [stderr]    Compiling chapter8 v0.1.0 (/opt/rustwide/workdir/chapter8)
[INFO] [stderr]    Compiling chapter1 v0.1.0 (/opt/rustwide/workdir/chapter1)
[INFO] [stderr]    Compiling chapter16 v0.1.0 (/opt/rustwide/workdir/chapter16)
[INFO] [stderr]    Compiling chapter5 v0.1.0 (/opt/rustwide/workdir/chapter5)
[INFO] [stderr]    Compiling chapter17 v0.1.0 (/opt/rustwide/workdir/chapter17)
[INFO] [stderr]    Compiling chapter13 v0.1.0 (/opt/rustwide/workdir/chapter13)
[INFO] [stderr]    Compiling appendix v0.1.0 (/opt/rustwide/workdir/appendix)
[INFO] [stderr]    Compiling lib v0.1.0 (/opt/rustwide/workdir/lib)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 7.53s
[INFO] running `Command { std: "docker" "inspect" "785876b42065fbc40650b8f99c0dcab710358dc894e039948b6e856d9a9d2aef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "785876b42065fbc40650b8f99c0dcab710358dc894e039948b6e856d9a9d2aef", kill_on_drop: false }`
[INFO] [stdout] 785876b42065fbc40650b8f99c0dcab710358dc894e039948b6e856d9a9d2aef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ae4a9f131289fffd064ea217efd05c773b9c34d089535dcf74c834718a762b72
[INFO] running `Command { std: "docker" "start" "-a" "ae4a9f131289fffd064ea217efd05c773b9c34d089535dcf74c834718a762b72", kill_on_drop: false }`
[INFO] [stderr] warning: fields `name` and `value` are never read
[INFO] [stderr]  --> chapter3/src/3_4_3/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | struct HeaderOwn {
[INFO] [stderr]   |        --------- fields in this struct
[INFO] [stderr] 8 |     name: String,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr] 9 |     value: String,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `HeaderOwn` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `chapter3` (bin "3_4_3" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/appendix-87f421d3990ddffa)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/chapter1-2971cac91be49f7d)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/10_1/main.rs (/opt/rustwide/target/debug/deps/10_1-d0e2fffaed340e9f)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/10_2/main.rs (/opt/rustwide/target/debug/deps/10_2-6eb6956e152cc2fa)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/10_3/main.rs (/opt/rustwide/target/debug/deps/10_3-a2f84f9d2348d6e5)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/11_1_2/main.rs (/opt/rustwide/target/debug/deps/11_1_2-fb11b303eac28baa)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/11_1_3/main.rs (/opt/rustwide/target/debug/deps/11_1_3-967b59b5a311b873)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/11_1_4/main.rs (/opt/rustwide/target/debug/deps/11_1_4-6be1ffd09594c7aa)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/11_1_5/main.rs (/opt/rustwide/target/debug/deps/11_1_5-d08e9bc3ecd3cef4)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/11_1_6/main.rs (/opt/rustwide/target/debug/deps/11_1_6-6cdf826b72966bf1)
[INFO] [stdout] 
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[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/11_2_1/main.rs (/opt/rustwide/target/debug/deps/11_2_1-2e0901fd9e568ddc)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/11_2_3/main.rs (/opt/rustwide/target/debug/deps/11_2_3-e3a58efb8f4144aa)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/11_3/main.rs (/opt/rustwide/target/debug/deps/11_3-924d9aecd2e7939d)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/11_8/main.rs (/opt/rustwide/target/debug/deps/11_8-ffadbbb26bddbe7d)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/chapter12-5476d966cb3230d9)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/chapter13-52e1933ac2e3dee2)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/chapter14-cbe9103baac988a6)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/chapter15-ae8c0723ab8eb01c)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/chapter16-ea83d159ebd8812b)
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/chapter17-2d3cb437915c5cdc)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
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[INFO] [stdout] 
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[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/2_4_1/main.rs (/opt/rustwide/target/debug/deps/2_4_1-70b1c580acaa0f71)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/2_4_2/main.rs (/opt/rustwide/target/debug/deps/2_4_2-79dc4e1f4a2b86bd)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/2_4_3/main.rs (/opt/rustwide/target/debug/deps/2_4_3-5a86415001e65f8e)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/2_4_5/main.rs (/opt/rustwide/target/debug/deps/2_4_5-b9c00b843e1e0771)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/2_4_6/main.rs (/opt/rustwide/target/debug/deps/2_4_6-99d8f07d24bf23f2)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/2_8_1/main.rs (/opt/rustwide/target/debug/deps/2_8_1-a65f54aba934d19d)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/2_8_2/main.rs (/opt/rustwide/target/debug/deps/2_8_2-63a8f49b9a033030)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/2_8_3/main.rs (/opt/rustwide/target/debug/deps/2_8_3-24be659cbfdd0835)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/2_4_4/client.rs (/opt/rustwide/target/debug/deps/client_2_4_4-57e49499ca197a30)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/2_4_4/server.rs (/opt/rustwide/target/debug/deps/server_2_4_4-d713328b33474045)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/3_4_1/main.rs (/opt/rustwide/target/debug/deps/3_4_1-c848d596c68a34fd)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/3_4_2/main.rs (/opt/rustwide/target/debug/deps/3_4_2-ee6978dc8c0e639c)
[INFO] [stderr]      Running unittests src/3_4_3/main.rs (/opt/rustwide/target/debug/deps/3_4_3-eb814607443fb300)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/3_4_4/main.rs (/opt/rustwide/target/debug/deps/3_4_4-7ccd6f8c6ee5fa43)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/3_5_1/main.rs (/opt/rustwide/target/debug/deps/3_5_1-392a03e0aeebdffe)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/3_5_2/main.rs (/opt/rustwide/target/debug/deps/3_5_2-9cf3222ad947b267)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/3_5_3/main.rs (/opt/rustwide/target/debug/deps/3_5_3-b543650d0168bf7d)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/3_5_4/main.rs (/opt/rustwide/target/debug/deps/3_5_4-c8a5eecd3972bdcf)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/3_6_1/main.rs (/opt/rustwide/target/debug/deps/3_6_1-4d0a58effd04a2d3)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/3_6_2/main.rs (/opt/rustwide/target/debug/deps/3_6_2-96db5e3aadeb263f)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/3_6_3/main.rs (/opt/rustwide/target/debug/deps/3_6_3-c9dc0c1871529924)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/3_9_1/main.rs (/opt/rustwide/target/debug/deps/3_9_1-8cd0a5df7f77ba91)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/3_9_2/main.rs (/opt/rustwide/target/debug/deps/3_9_2-fa1c86cfbe6b2548)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/3_9_3/main.rs (/opt/rustwide/target/debug/deps/3_9_3-2100daa611388017)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/3_9_4/main.rs (/opt/rustwide/target/debug/deps/3_9_4-69d28af155258c7e)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/3_9_5/main.rs (/opt/rustwide/target/debug/deps/3_9_5-7940264304bbc687)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/3_1/main.rs (/opt/rustwide/target/debug/deps/main_3_1-6065056d4d0dbb01)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/3_2/3_2_1/main_3_2_1_1.rs (/opt/rustwide/target/debug/deps/main_3_2_1_1-269fdf29bd511de3)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/3_2/3_2_1/main_3_2_1_2.rs (/opt/rustwide/target/debug/deps/main_3_2_1_2-768c8081e1a6fbd7)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/3_2/3_2_2/main_3_2_2_1.rs (/opt/rustwide/target/debug/deps/main_3_2_2_1-fde6128ade8f735b)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/3_2/3_2_2/main_3_2_2_2.rs (/opt/rustwide/target/debug/deps/main_3_2_2_2-fa9e9d63b1c892dc)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/3_2/3_2_2/main_3_2_2_3.rs (/opt/rustwide/target/debug/deps/main_3_2_2_3-b970b22ec7111614)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/4_2_1/main.rs (/opt/rustwide/target/debug/deps/4_2_1-94f002c5d3ba8b21)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/4_2_3/main.rs (/opt/rustwide/target/debug/deps/4_2_3-05fbc90e2bd38593)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/4_2_4/main.rs (/opt/rustwide/target/debug/deps/4_2_4-649e37aef213fc31)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/4_2_5/main.rs (/opt/rustwide/target/debug/deps/4_2_5-952719625040e648)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/4_3_1/main.rs (/opt/rustwide/target/debug/deps/4_3_1-584bff5389f58b72)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/4_5/main.rs (/opt/rustwide/target/debug/deps/4_5-a0b09244dc823538)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/chapter5-bdc6fad824e0a3fd)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/6_5/main.rs (/opt/rustwide/target/debug/deps/6_5-8d67cd35460e6659)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/6_6/main.rs (/opt/rustwide/target/debug/deps/6_6-25adf48702d0dcdf)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/6_7/main.rs (/opt/rustwide/target/debug/deps/6_7-ecede063cf230da6)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/6_8/main.rs (/opt/rustwide/target/debug/deps/6_8-4091a99f5312d361)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/6_9/main.rs (/opt/rustwide/target/debug/deps/6_9-f313bf3f25ca9525)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/7_2_1/server.rs (/opt/rustwide/target/debug/deps/7_2_1-a0f74d626bc8c92f)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/7_2_2/client.rs (/opt/rustwide/target/debug/deps/7_2_2-2955ef3cfc087b4d)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/7_3_1/main.rs (/opt/rustwide/target/debug/deps/7_3_1-c233a9479234d02e)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/7_3_2/main.rs (/opt/rustwide/target/debug/deps/7_3_2-9b8c829f87f320b6)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/chapter8-4ef05d4373426bd7)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/9_5_1/main.rs (/opt/rustwide/target/debug/deps/9_5_1-9d95da94896f47b6)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/9_5_2/main.rs (/opt/rustwide/target/debug/deps/9_5_2-7cf21e647e908fe6)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/9_5_3/main.rs (/opt/rustwide/target/debug/deps/9_5_3-d1a070bc8609a630)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/9_5_4/main.rs (/opt/rustwide/target/debug/deps/9_5_4-a55c08609a692f0d)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/9_5_5/main.rs (/opt/rustwide/target/debug/deps/9_5_5-2c3e92e3463e7b3d)
[INFO] [stderr]      Running unittests src/9_5_6/main.rs (/opt/rustwide/target/debug/deps/9_5_6-a08dc6fc33640e06)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/9_5_7/main.rs (/opt/rustwide/target/debug/deps/9_5_7-17178e7a09d3a276)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main_9_2_1.rs (/opt/rustwide/target/debug/deps/main_9_2_1-a174ee890ee8ac26)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main_9_2_3.rs (/opt/rustwide/target/debug/deps/main_9_2_3-e1a75cbd6ca929e8)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main_9_2_4.rs (/opt/rustwide/target/debug/deps/main_9_2_4-1847901d130b4086)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/lib-aee6f7593513c288)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests lib
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test lib/src/image/png/png_analyzer.rs - image::png::png_analyzer::PngAnalyzer (line 9) - compile ... ok
[INFO] [stdout] test lib/src/io/multi_writer.rs - io::multi_writer::MultiWriter (line 10) ... FAILED
[INFO] [stdout] test lib/src/io/limited_reader.rs - io::limited_reader::LimitedReader (line 10) ... ok
[INFO] [stdout] test lib/src/env.rs - env::temp_file (line 12) ... ok
[INFO] [stdout] test lib/src/binary.rs - binary::read (line 13) ... ok
[INFO] [stdout] test lib/src/path.rs - path::ExtendedPath (line 50) ... ok
[INFO] [stdout] test lib/src/io/section_reader.rs - io::section_reader::SectionReader (line 8) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- lib/src/io/multi_writer.rs - io::multi_writer::MultiWriter (line 10) stdout ----
[INFO] [stdout] Test executable failed (exit status: 1).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] Error: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     lib/src/io/multi_writer.rs - io::multi_writer::MultiWriter (line 10)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 6 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.91s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `-p lib --doc`
[INFO] running `Command { std: "docker" "inspect" "ae4a9f131289fffd064ea217efd05c773b9c34d089535dcf74c834718a762b72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae4a9f131289fffd064ea217efd05c773b9c34d089535dcf74c834718a762b72", kill_on_drop: false }`
[INFO] [stdout] ae4a9f131289fffd064ea217efd05c773b9c34d089535dcf74c834718a762b72
[INFO] testing yuk1ty/learning-systems-programming-in-rust against beta-2024-02-10 for beta-1.77-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuk1ty%2Flearning-systems-programming-in-rust" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yuk1ty/learning-systems-programming-in-rust on toolchain beta-2024-02-10
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-0-tc2/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/yuk1ty/learning-systems-programming-in-rust
[INFO] finished tweaking git repo https://github.com/yuk1ty/learning-systems-programming-in-rust
[INFO] tweaked toml for git repo https://github.com/yuk1ty/learning-systems-programming-in-rust written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/yuk1ty/learning-systems-programming-in-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7b220fbd518668bba97a4248ca7008502ddc19c5f072584b117fdb40baa7ed5b
[INFO] running `Command { std: "docker" "start" "-a" "7b220fbd518668bba97a4248ca7008502ddc19c5f072584b117fdb40baa7ed5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7b220fbd518668bba97a4248ca7008502ddc19c5f072584b117fdb40baa7ed5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b220fbd518668bba97a4248ca7008502ddc19c5f072584b117fdb40baa7ed5b", kill_on_drop: false }`
[INFO] [stdout] 7b220fbd518668bba97a4248ca7008502ddc19c5f072584b117fdb40baa7ed5b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9151828f0f415a5f55f04474f63333d6466de3fd07a07fafc21509980b18f7d1
[INFO] running `Command { std: "docker" "start" "-a" "9151828f0f415a5f55f04474f63333d6466de3fd07a07fafc21509980b18f7d1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling once_cell v1.7.2
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]    Compiling httparse v1.4.1
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling flate2 v1.0.20
[INFO] [stderr]    Compiling bzip2-sys v0.1.10+1.0.8
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling lib v0.1.0 (/opt/rustwide/workdir/lib)
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling memoffset v0.6.4
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[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling sysinfo v0.18.1
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling nix v0.21.0
[INFO] [stderr]    Compiling instant v0.1.9
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling lock_api v0.4.4
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling tokio v1.6.0
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling mio v0.7.11
[INFO] [stderr]    Compiling signal-hook-registry v1.3.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.6
[INFO] [stderr]    Compiling bytes v1.0.1
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling slab v0.4.3
[INFO] [stderr]    Compiling inotify-sys v0.1.5
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling inotify v0.7.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling tokio-macros v1.2.0
[INFO] [stderr]    Compiling filetime v0.2.14
[INFO] [stderr]    Compiling nix v0.20.0
[INFO] [stderr]    Compiling mio-extras v2.0.6
[INFO] [stderr]    Compiling notify v4.0.17
[INFO] [stderr]    Compiling memmap2 v0.2.2
[INFO] [stderr]    Compiling chapter9 v0.1.0 (/opt/rustwide/workdir/chapter9)
[INFO] [stderr]    Compiling thiserror v1.0.24
[INFO] [stderr]    Compiling zip v0.5.12
[INFO] [stderr]    Compiling chapter3 v0.1.0 (/opt/rustwide/workdir/chapter3)
[INFO] [stderr]    Compiling chapter2 v0.1.0 (/opt/rustwide/workdir/chapter2)
[INFO] [stderr]    Compiling chapter11 v0.1.0 (/opt/rustwide/workdir/chapter11)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> chapter2/src/2_4_3/main.rs:6:13
[INFO] [stdout]   |
[INFO] [stdout] 6 |     IoError(std::io::Error),
[INFO] [stdout]   |     ------- ^^^^^^^^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 6 |     IoError(()),
[INFO] [stdout]   |             ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> chapter2/src/2_4_3/main.rs:7:14
[INFO] [stdout]   |
[INFO] [stdout] 7 |     StrError(str::Utf8Error),
[INFO] [stdout]   |     -------- ^^^^^^^^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 7 |     StrError(()),
[INFO] [stdout]   |              ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `value` are never read
[INFO] [stdout]  --> chapter3/src/3_4_3/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct HeaderOwn {
[INFO] [stdout]   |        --------- fields in this struct
[INFO] [stdout] 8 |     name: String,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 9 |     value: String,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `HeaderOwn` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling chapter17 v0.1.0 (/opt/rustwide/workdir/chapter17)
[INFO] [stderr]    Compiling chapter10 v0.1.0 (/opt/rustwide/workdir/chapter10)
[INFO] [stderr]    Compiling chapter7 v0.1.0 (/opt/rustwide/workdir/chapter7)
[INFO] [stderr]    Compiling chapter8 v0.1.0 (/opt/rustwide/workdir/chapter8)
[INFO] [stderr]    Compiling appendix v0.1.0 (/opt/rustwide/workdir/appendix)
[INFO] [stderr]    Compiling chapter14 v0.1.0 (/opt/rustwide/workdir/chapter14)
[INFO] [stderr]    Compiling chapter6 v0.1.0 (/opt/rustwide/workdir/chapter6)
[INFO] [stderr]    Compiling chapter16 v0.1.0 (/opt/rustwide/workdir/chapter16)
[INFO] [stderr]    Compiling chapter5 v0.1.0 (/opt/rustwide/workdir/chapter5)
[INFO] [stderr]    Compiling chapter12 v0.1.0 (/opt/rustwide/workdir/chapter12)
[INFO] [stderr]    Compiling chapter13 v0.1.0 (/opt/rustwide/workdir/chapter13)
[INFO] [stderr]    Compiling chapter1 v0.1.0 (/opt/rustwide/workdir/chapter1)
[INFO] [stderr]    Compiling chapter15 v0.1.0 (/opt/rustwide/workdir/chapter15)
[INFO] [stderr]    Compiling chapter4 v0.1.0 (/opt/rustwide/workdir/chapter4)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.58s
[INFO] running `Command { std: "docker" "inspect" "9151828f0f415a5f55f04474f63333d6466de3fd07a07fafc21509980b18f7d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9151828f0f415a5f55f04474f63333d6466de3fd07a07fafc21509980b18f7d1", kill_on_drop: false }`
[INFO] [stdout] 9151828f0f415a5f55f04474f63333d6466de3fd07a07fafc21509980b18f7d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0c99dba670a40bee9c06674786ced6d3f40cb53d984a767e52adaf3a5005fc53
[INFO] running `Command { std: "docker" "start" "-a" "0c99dba670a40bee9c06674786ced6d3f40cb53d984a767e52adaf3a5005fc53", kill_on_drop: false }`
[INFO] [stderr]    Compiling chapter4 v0.1.0 (/opt/rustwide/workdir/chapter4)
[INFO] [stderr]    Compiling chapter11 v0.1.0 (/opt/rustwide/workdir/chapter11)
[INFO] [stderr]    Compiling chapter10 v0.1.0 (/opt/rustwide/workdir/chapter10)
[INFO] [stderr]    Compiling chapter2 v0.1.0 (/opt/rustwide/workdir/chapter2)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> chapter2/src/2_4_3/main.rs:6:13
[INFO] [stdout]   |
[INFO] [stdout] 6 |     IoError(std::io::Error),
[INFO] [stdout]   |     ------- ^^^^^^^^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 6 |     IoError(()),
[INFO] [stdout]   |             ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> chapter2/src/2_4_3/main.rs:7:14
[INFO] [stdout]   |
[INFO] [stdout] 7 |     StrError(str::Utf8Error),
[INFO] [stdout]   |     -------- ^^^^^^^^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 7 |     StrError(()),
[INFO] [stdout]   |              ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling chapter9 v0.1.0 (/opt/rustwide/workdir/chapter9)
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling chapter7 v0.1.0 (/opt/rustwide/workdir/chapter7)
[INFO] [stderr]    Compiling chapter3 v0.1.0 (/opt/rustwide/workdir/chapter3)
[INFO] [stdout] warning: fields `name` and `value` are never read
[INFO] [stdout]  --> chapter3/src/3_4_3/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct HeaderOwn {
[INFO] [stdout]   |        --------- fields in this struct
[INFO] [stdout] 8 |     name: String,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 9 |     value: String,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `HeaderOwn` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling chapter6 v0.1.0 (/opt/rustwide/workdir/chapter6)
[INFO] [stderr]    Compiling chapter8 v0.1.0 (/opt/rustwide/workdir/chapter8)
[INFO] [stderr]    Compiling chapter12 v0.1.0 (/opt/rustwide/workdir/chapter12)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling chapter5 v0.1.0 (/opt/rustwide/workdir/chapter5)
[INFO] [stderr]    Compiling chapter15 v0.1.0 (/opt/rustwide/workdir/chapter15)
[INFO] [stderr]    Compiling chapter1 v0.1.0 (/opt/rustwide/workdir/chapter1)
[INFO] [stderr]    Compiling chapter14 v0.1.0 (/opt/rustwide/workdir/chapter14)
[INFO] [stderr]    Compiling appendix v0.1.0 (/opt/rustwide/workdir/appendix)
[INFO] [stderr]    Compiling chapter16 v0.1.0 (/opt/rustwide/workdir/chapter16)
[INFO] [stderr]    Compiling chapter13 v0.1.0 (/opt/rustwide/workdir/chapter13)
[INFO] [stderr]    Compiling chapter17 v0.1.0 (/opt/rustwide/workdir/chapter17)
[INFO] [stderr]    Compiling lib v0.1.0 (/opt/rustwide/workdir/lib)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 9.03s
[INFO] running `Command { std: "docker" "inspect" "0c99dba670a40bee9c06674786ced6d3f40cb53d984a767e52adaf3a5005fc53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c99dba670a40bee9c06674786ced6d3f40cb53d984a767e52adaf3a5005fc53", kill_on_drop: false }`
[INFO] [stdout] 0c99dba670a40bee9c06674786ced6d3f40cb53d984a767e52adaf3a5005fc53
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] df1d4ca2c688e759013b1d3ee53dc35c8bfd93f4ffc71dca465f48c49e476450
[INFO] running `Command { std: "docker" "start" "-a" "df1d4ca2c688e759013b1d3ee53dc35c8bfd93f4ffc71dca465f48c49e476450", kill_on_drop: false }`
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]  --> chapter2/src/2_4_3/main.rs:6:13
[INFO] [stderr]   |
[INFO] [stderr] 6 |     IoError(std::io::Error),
[INFO] [stderr]   |     ------- ^^^^^^^^^^^^^^
[INFO] [stderr]   |     |
[INFO] [stderr]   |     field in this variant
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]   |
[INFO] [stderr] 6 |     IoError(()),
[INFO] [stderr]   |             ~~
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]  --> chapter2/src/2_4_3/main.rs:7:14
[INFO] [stderr]   |
[INFO] [stderr] 7 |     StrError(str::Utf8Error),
[INFO] [stderr]   |     -------- ^^^^^^^^^^^^^^
[INFO] [stderr]   |     |
[INFO] [stderr]   |     field in this variant
[INFO] [stderr]   |
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]   |
[INFO] [stderr] 7 |     StrError(()),
[INFO] [stderr]   |              ~~
[INFO] [stderr] 
[INFO] [stderr] warning: `chapter2` (bin "2_4_3" test) generated 2 warnings
[INFO] [stderr] warning: fields `name` and `value` are never read
[INFO] [stderr]  --> chapter3/src/3_4_3/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | struct HeaderOwn {
[INFO] [stderr]   |        --------- fields in this struct
[INFO] [stderr] 8 |     name: String,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr] 9 |     value: String,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `HeaderOwn` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `chapter3` (bin "3_4_3" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/appendix-90cba21c85249eab)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/chapter1-324a49f00433f859)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/10_1/main.rs (/opt/rustwide/target/debug/deps/10_1-b9b0686965aad791)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/10_2/main.rs (/opt/rustwide/target/debug/deps/10_2-73dd34407a9538e7)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/10_3/main.rs (/opt/rustwide/target/debug/deps/10_3-c51c76e545216101)
[INFO] [stderr]      Running unittests src/11_1_2/main.rs (/opt/rustwide/target/debug/deps/11_1_2-aa1e76dce0b66a09)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
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[INFO] [stdout] 
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[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/11_1_3/main.rs (/opt/rustwide/target/debug/deps/11_1_3-bce4f66c7a7d9e39)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/11_1_4/main.rs (/opt/rustwide/target/debug/deps/11_1_4-5edbdb922f8ba224)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/11_1_5/main.rs (/opt/rustwide/target/debug/deps/11_1_5-3b3afd7706eab86f)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/11_1_6/main.rs (/opt/rustwide/target/debug/deps/11_1_6-ceff6f3bb51cc731)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/11_2_1/main.rs (/opt/rustwide/target/debug/deps/11_2_1-e8a9c01b01e59a4f)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/11_2_3/main.rs (/opt/rustwide/target/debug/deps/11_2_3-e5448ec41c030d79)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/11_3/main.rs (/opt/rustwide/target/debug/deps/11_3-cf9b770fc8a29959)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/11_8/main.rs (/opt/rustwide/target/debug/deps/11_8-db542dc82df20f89)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/chapter12-04855a42daffa9d7)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/chapter13-6788dd7b152a1546)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/chapter14-18bb01b5c1d820c4)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/chapter15-0d8192e5e0841d7c)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/chapter16-4df52b15bdf12d39)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/chapter17-6b705e7f934ff498)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/2_4_1/main.rs (/opt/rustwide/target/debug/deps/2_4_1-aa6470746d8835a8)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/2_4_2/main.rs (/opt/rustwide/target/debug/deps/2_4_2-efbcb7291507831e)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/2_4_3/main.rs (/opt/rustwide/target/debug/deps/2_4_3-1e3135c1ac274df4)
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/2_4_5/main.rs (/opt/rustwide/target/debug/deps/2_4_5-bf6a5e86a5bd5a02)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/2_4_6/main.rs (/opt/rustwide/target/debug/deps/2_4_6-3efcf7598ae9dd39)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/2_8_1/main.rs (/opt/rustwide/target/debug/deps/2_8_1-a5185561a65cb7e6)
[INFO] [stderr]      Running unittests src/2_8_2/main.rs (/opt/rustwide/target/debug/deps/2_8_2-db45a6a3e3cc1eb1)
[INFO] [stdout] 
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[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/2_8_3/main.rs (/opt/rustwide/target/debug/deps/2_8_3-0da73a7dd28d2105)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
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[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/2_4_4/client.rs (/opt/rustwide/target/debug/deps/client_2_4_4-b3ae91c5b8a47b62)
[INFO] [stderr]      Running unittests src/2_4_4/server.rs (/opt/rustwide/target/debug/deps/server_2_4_4-f7d9fa63301da194)
[INFO] [stdout] 
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[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/3_4_1/main.rs (/opt/rustwide/target/debug/deps/3_4_1-7050bf9e06a1997c)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/3_4_2/main.rs (/opt/rustwide/target/debug/deps/3_4_2-a4d30b28fab0f92a)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/3_4_3/main.rs (/opt/rustwide/target/debug/deps/3_4_3-cd9096034847737f)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
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[INFO] [stderr]      Running unittests src/3_4_4/main.rs (/opt/rustwide/target/debug/deps/3_4_4-d8656f94c811b733)
[INFO] [stdout] 
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[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
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[INFO] [stderr]      Running unittests src/3_5_1/main.rs (/opt/rustwide/target/debug/deps/3_5_1-7f540f720c963b1d)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/3_5_2/main.rs (/opt/rustwide/target/debug/deps/3_5_2-b79221f7de67b292)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
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[INFO] [stderr]      Running unittests src/3_5_3/main.rs (/opt/rustwide/target/debug/deps/3_5_3-4073aae698eb3e85)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
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[INFO] [stderr]      Running unittests src/3_5_4/main.rs (/opt/rustwide/target/debug/deps/3_5_4-1136c4b81877cf6c)
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[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
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[INFO] [stderr]      Running unittests src/3_6_1/main.rs (/opt/rustwide/target/debug/deps/3_6_1-08f4108e716cc0e9)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
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[INFO] [stderr]      Running unittests src/3_6_2/main.rs (/opt/rustwide/target/debug/deps/3_6_2-57b71ce9452c3b26)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/3_6_3/main.rs (/opt/rustwide/target/debug/deps/3_6_3-9e70c1733162186d)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/3_9_1/main.rs (/opt/rustwide/target/debug/deps/3_9_1-bfbedff37bc18cbe)
[INFO] [stdout] 
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[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/3_9_2/main.rs (/opt/rustwide/target/debug/deps/3_9_2-c21651ba2e1cc99e)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/3_9_3/main.rs (/opt/rustwide/target/debug/deps/3_9_3-9d0ba5fccbb96187)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/3_9_4/main.rs (/opt/rustwide/target/debug/deps/3_9_4-2e2ad6f2836436cb)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/3_9_5/main.rs (/opt/rustwide/target/debug/deps/3_9_5-a0694f108d6e01fd)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/3_1/main.rs (/opt/rustwide/target/debug/deps/main_3_1-444ecc2d61489afd)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/3_2/3_2_1/main_3_2_1_1.rs (/opt/rustwide/target/debug/deps/main_3_2_1_1-afa4ce1c30326658)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/3_2/3_2_1/main_3_2_1_2.rs (/opt/rustwide/target/debug/deps/main_3_2_1_2-5d14e748aa22d1ce)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/3_2/3_2_2/main_3_2_2_1.rs (/opt/rustwide/target/debug/deps/main_3_2_2_1-7c830d356a556c4e)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/3_2/3_2_2/main_3_2_2_2.rs (/opt/rustwide/target/debug/deps/main_3_2_2_2-7f72088dbfcadb92)
[INFO] [stdout] 
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[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/3_2/3_2_2/main_3_2_2_3.rs (/opt/rustwide/target/debug/deps/main_3_2_2_3-69637606e89867e6)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/4_2_1/main.rs (/opt/rustwide/target/debug/deps/4_2_1-b84badd48079a42c)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/4_2_3/main.rs (/opt/rustwide/target/debug/deps/4_2_3-d82c8d4734fe5f8f)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/4_2_4/main.rs (/opt/rustwide/target/debug/deps/4_2_4-372be0be15cba1c4)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/4_2_5/main.rs (/opt/rustwide/target/debug/deps/4_2_5-8eecae301a53d7f8)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/4_3_1/main.rs (/opt/rustwide/target/debug/deps/4_3_1-207277a3562b3a18)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/4_5/main.rs (/opt/rustwide/target/debug/deps/4_5-8573cf9556d12d39)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/chapter5-d02e5a9503ad0815)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/6_5/main.rs (/opt/rustwide/target/debug/deps/6_5-3bca89e0f11ec349)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/6_6/main.rs (/opt/rustwide/target/debug/deps/6_6-a4df71b33e656855)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/6_7/main.rs (/opt/rustwide/target/debug/deps/6_7-e503a9c88094104b)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/6_8/main.rs (/opt/rustwide/target/debug/deps/6_8-e75028472d2059c5)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/6_9/main.rs (/opt/rustwide/target/debug/deps/6_9-d84d4237648c0a1e)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/7_2_1/server.rs (/opt/rustwide/target/debug/deps/7_2_1-e8f331462f82dc6e)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/7_2_2/client.rs (/opt/rustwide/target/debug/deps/7_2_2-804b4186886c760e)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/7_3_1/main.rs (/opt/rustwide/target/debug/deps/7_3_1-1d0581bd3bcadb73)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/7_3_2/main.rs (/opt/rustwide/target/debug/deps/7_3_2-56c1fca917864347)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/chapter8-63fc3cea8ee69eee)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/9_5_1/main.rs (/opt/rustwide/target/debug/deps/9_5_1-22e63f85c6fd41da)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/9_5_2/main.rs (/opt/rustwide/target/debug/deps/9_5_2-cd7296c2f14c4eb4)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/9_5_3/main.rs (/opt/rustwide/target/debug/deps/9_5_3-df73d1da487d94a9)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/9_5_4/main.rs (/opt/rustwide/target/debug/deps/9_5_4-77ee695cf84e929f)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/9_5_5/main.rs (/opt/rustwide/target/debug/deps/9_5_5-13f90edd9511ae06)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/9_5_6/main.rs (/opt/rustwide/target/debug/deps/9_5_6-2f31c32abaf41049)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/9_5_7/main.rs (/opt/rustwide/target/debug/deps/9_5_7-e6fa67ca57faf6ac)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main_9_2_1.rs (/opt/rustwide/target/debug/deps/main_9_2_1-59c00b974cf67f19)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main_9_2_3.rs (/opt/rustwide/target/debug/deps/main_9_2_3-acd2d105d598cb12)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main_9_2_4.rs (/opt/rustwide/target/debug/deps/main_9_2_4-07480148e55508fb)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/lib-fbdff08c9460813d)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests lib
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test lib/src/image/png/png_analyzer.rs - image::png::png_analyzer::PngAnalyzer (line 9) - compile ... ok
[INFO] [stdout] test lib/src/io/section_reader.rs - io::section_reader::SectionReader (line 8) ... ok
[INFO] [stdout] test lib/src/io/multi_writer.rs - io::multi_writer::MultiWriter (line 10) ... FAILED
[INFO] [stdout] test lib/src/binary.rs - binary::read (line 13) ... ok
[INFO] [stdout] test lib/src/env.rs - env::temp_file (line 12) ... ok
[INFO] [stdout] test lib/src/io/limited_reader.rs - io::limited_reader::LimitedReader (line 10) ... ok
[INFO] [stdout] test lib/src/path.rs - path::ExtendedPath (line 50) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- lib/src/io/multi_writer.rs - io::multi_writer::MultiWriter (line 10) stdout ----
[INFO] [stdout] Test executable failed (exit status: 1).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] Error: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     lib/src/io/multi_writer.rs - io::multi_writer::MultiWriter (line 10)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 6 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.64s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `-p lib --doc`
[INFO] running `Command { std: "docker" "inspect" "df1d4ca2c688e759013b1d3ee53dc35c8bfd93f4ffc71dca465f48c49e476450", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df1d4ca2c688e759013b1d3ee53dc35c8bfd93f4ffc71dca465f48c49e476450", kill_on_drop: false }`
[INFO] [stdout] df1d4ca2c688e759013b1d3ee53dc35c8bfd93f4ffc71dca465f48c49e476450
