[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 beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuk1ty%2Flearning-systems-programming-in-rust" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yuk1ty/learning-systems-programming-in-rust on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2/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-2/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: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2ce7a1c72f8ef657d5c760ed5e51e5367218c6dc2a967cc4ecbf2ed419e61725
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2ce7a1c72f8ef657d5c760ed5e51e5367218c6dc2a967cc4ecbf2ed419e61725", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ce7a1c72f8ef657d5c760ed5e51e5367218c6dc2a967cc4ecbf2ed419e61725", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ce7a1c72f8ef657d5c760ed5e51e5367218c6dc2a967cc4ecbf2ed419e61725", kill_on_drop: false }`
[INFO] [stdout] 2ce7a1c72f8ef657d5c760ed5e51e5367218c6dc2a967cc4ecbf2ed419e61725
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 61775df3b4cacc583456a1f4ee0125404d292d08874d14fa6bd0780acb4f60f7
[INFO] running `Command { std: "docker" "start" "-a" "61775df3b4cacc583456a1f4ee0125404d292d08874d14fa6bd0780acb4f60f7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling sysinfo v0.18.1
[INFO] [stderr]    Compiling bzip2-sys v0.1.10+1.0.8
[INFO] [stderr]    Compiling tokio v1.6.0
[INFO] [stderr]    Compiling lock_api v0.4.4
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling flate2 v1.0.20
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling nix v0.21.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling mio v0.7.11
[INFO] [stderr]    Compiling signal-hook-registry v1.3.0
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling inotify-sys v0.1.5
[INFO] [stderr]    Compiling filetime v0.2.14
[INFO] [stderr]    Compiling nix v0.20.0
[INFO] [stderr]    Compiling memmap2 v0.2.2
[INFO] [stderr]    Compiling lib v0.1.0 (/opt/rustwide/workdir/lib)
[INFO] [stderr]    Compiling bzip2 v0.3.3
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling inotify v0.7.1
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling mio-extras v2.0.6
[INFO] [stderr]    Compiling notify v4.0.17
[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 chapter12 v0.1.0 (/opt/rustwide/workdir/chapter12)
[INFO] [stderr]    Compiling chapter13 v0.1.0 (/opt/rustwide/workdir/chapter13)
[INFO] [stderr]    Compiling chapter15 v0.1.0 (/opt/rustwide/workdir/chapter15)
[INFO] [stderr]    Compiling chapter9 v0.1.0 (/opt/rustwide/workdir/chapter9)
[INFO] [stderr]    Compiling appendix v0.1.0 (/opt/rustwide/workdir/appendix)
[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 chapter14 v0.1.0 (/opt/rustwide/workdir/chapter14)
[INFO] [stderr]    Compiling chapter16 v0.1.0 (/opt/rustwide/workdir/chapter16)
[INFO] [stderr]    Compiling chapter7 v0.1.0 (/opt/rustwide/workdir/chapter7)
[INFO] [stderr]    Compiling chapter2 v0.1.0 (/opt/rustwide/workdir/chapter2)
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling tokio-macros v1.2.0
[INFO] [stderr]    Compiling chapter10 v0.1.0 (/opt/rustwide/workdir/chapter10)
[INFO] [stderr]    Compiling chapter11 v0.1.0 (/opt/rustwide/workdir/chapter11)
[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] [stdout] warning: field is never read: `name`
[INFO] [stdout]  --> chapter3/src/3_4_3/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     name: String,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `HeaderOwn` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]  --> chapter3/src/3_4_3/main.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[derive(Debug)]
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `value`
[INFO] [stdout]  --> chapter3/src/3_4_3/main.rs:9:5
[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]  --> chapter3/src/3_4_3/main.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[derive(Debug)]
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling chapter4 v0.1.0 (/opt/rustwide/workdir/chapter4)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 25s
[INFO] running `Command { std: "docker" "inspect" "61775df3b4cacc583456a1f4ee0125404d292d08874d14fa6bd0780acb4f60f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61775df3b4cacc583456a1f4ee0125404d292d08874d14fa6bd0780acb4f60f7", kill_on_drop: false }`
[INFO] [stdout] 61775df3b4cacc583456a1f4ee0125404d292d08874d14fa6bd0780acb4f60f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 76251a25e9e1a75b9c7fc867989df68428b092b6a48c7bd415ba80f6259b62b9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "76251a25e9e1a75b9c7fc867989df68428b092b6a48c7bd415ba80f6259b62b9", kill_on_drop: false }`
[INFO] [stderr]    Compiling lib v0.1.0 (/opt/rustwide/workdir/lib)
[INFO] [stderr]    Compiling chapter9 v0.1.0 (/opt/rustwide/workdir/chapter9)
[INFO] [stderr]    Compiling chapter5 v0.1.0 (/opt/rustwide/workdir/chapter5)
[INFO] [stderr]    Compiling chapter2 v0.1.0 (/opt/rustwide/workdir/chapter2)
[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 chapter14 v0.1.0 (/opt/rustwide/workdir/chapter14)
[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 chapter7 v0.1.0 (/opt/rustwide/workdir/chapter7)
[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 chapter15 v0.1.0 (/opt/rustwide/workdir/chapter15)
[INFO] [stderr]    Compiling chapter12 v0.1.0 (/opt/rustwide/workdir/chapter12)
[INFO] [stderr]    Compiling chapter4 v0.1.0 (/opt/rustwide/workdir/chapter4)
[INFO] [stderr]    Compiling chapter3 v0.1.0 (/opt/rustwide/workdir/chapter3)
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]  --> chapter3/src/3_4_3/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     name: String,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `HeaderOwn` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]  --> chapter3/src/3_4_3/main.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[derive(Debug)]
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `value`
[INFO] [stdout]  --> chapter3/src/3_4_3/main.rs:9:5
[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]  --> chapter3/src/3_4_3/main.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[derive(Debug)]
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling chapter10 v0.1.0 (/opt/rustwide/workdir/chapter10)
[INFO] [stderr]    Compiling chapter11 v0.1.0 (/opt/rustwide/workdir/chapter11)
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 46.65s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/appendix-0f418d3f81b60825)
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/chapter1-d9c9b9e3233570be)
[INFO] [stderr]   Executable unittests src/10_1/main.rs (/opt/rustwide/target/debug/deps/10_1-53b786e32cead697)
[INFO] [stderr]   Executable unittests src/10_2/main.rs (/opt/rustwide/target/debug/deps/10_2-8ab72933bddde253)
[INFO] [stderr]   Executable unittests src/10_3/main.rs (/opt/rustwide/target/debug/deps/10_3-73dfd908460d98ef)
[INFO] [stderr]   Executable unittests src/11_1_2/main.rs (/opt/rustwide/target/debug/deps/11_1_2-adbfb84043ae7bea)
[INFO] [stderr]   Executable unittests src/11_1_3/main.rs (/opt/rustwide/target/debug/deps/11_1_3-869c9a38720324b7)
[INFO] [stderr]   Executable unittests src/11_1_4/main.rs (/opt/rustwide/target/debug/deps/11_1_4-e87b2d945c6c9fbb)
[INFO] [stderr]   Executable unittests src/11_1_5/main.rs (/opt/rustwide/target/debug/deps/11_1_5-fca5862e4c6afdbb)
[INFO] [stderr]   Executable unittests src/11_1_6/main.rs (/opt/rustwide/target/debug/deps/11_1_6-f05f26cdf36c8d89)
[INFO] [stderr]   Executable unittests src/11_2_1/main.rs (/opt/rustwide/target/debug/deps/11_2_1-1b190b9ad5903455)
[INFO] [stderr]   Executable unittests src/11_2_3/main.rs (/opt/rustwide/target/debug/deps/11_2_3-28c2f7d3e3032ae6)
[INFO] [stderr]   Executable unittests src/11_3/main.rs (/opt/rustwide/target/debug/deps/11_3-dd4dcb8f57e684a5)
[INFO] [stderr]   Executable unittests src/11_8/main.rs (/opt/rustwide/target/debug/deps/11_8-3cce061882dd1e3a)
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/chapter12-72d3cfcd8fae5436)
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/chapter13-45b2dc235387f7b4)
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/chapter14-1ffde4ac3fffdbb6)
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/chapter15-ea5f5720d17bc4ce)
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/chapter16-cea673d989127a0e)
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/chapter17-667b1e7fa6dbc509)
[INFO] [stderr]   Executable unittests src/2_4_1/main.rs (/opt/rustwide/target/debug/deps/2_4_1-e093a92f6205acb9)
[INFO] [stderr]   Executable unittests src/2_4_2/main.rs (/opt/rustwide/target/debug/deps/2_4_2-920bb312bad11f66)
[INFO] [stderr]   Executable unittests src/2_4_3/main.rs (/opt/rustwide/target/debug/deps/2_4_3-706756f228443208)
[INFO] [stderr]   Executable unittests src/2_4_5/main.rs (/opt/rustwide/target/debug/deps/2_4_5-412d9a08142c206c)
[INFO] [stderr]   Executable unittests src/2_4_6/main.rs (/opt/rustwide/target/debug/deps/2_4_6-b229f880b44be563)
[INFO] [stderr]   Executable unittests src/2_8_1/main.rs (/opt/rustwide/target/debug/deps/2_8_1-93b42e24d31d3233)
[INFO] [stderr]   Executable unittests src/2_8_2/main.rs (/opt/rustwide/target/debug/deps/2_8_2-d8b0df348e4c7269)
[INFO] [stderr]   Executable unittests src/2_8_3/main.rs (/opt/rustwide/target/debug/deps/2_8_3-6ed1e0619a201a81)
[INFO] [stderr]   Executable unittests src/2_4_4/client.rs (/opt/rustwide/target/debug/deps/client_2_4_4-89674ecba1297281)
[INFO] [stderr]   Executable unittests src/2_4_4/server.rs (/opt/rustwide/target/debug/deps/server_2_4_4-d1791e0463406a33)
[INFO] [stderr]   Executable unittests src/3_4_1/main.rs (/opt/rustwide/target/debug/deps/3_4_1-bf4965ed0f5e4918)
[INFO] [stderr]   Executable unittests src/3_4_2/main.rs (/opt/rustwide/target/debug/deps/3_4_2-db4fe8a7af05f966)
[INFO] [stderr]   Executable unittests src/3_4_3/main.rs (/opt/rustwide/target/debug/deps/3_4_3-4d69c4629e2de2a7)
[INFO] [stderr]   Executable unittests src/3_4_4/main.rs (/opt/rustwide/target/debug/deps/3_4_4-47d6e331aa73f8a8)
[INFO] [stderr]   Executable unittests src/3_5_1/main.rs (/opt/rustwide/target/debug/deps/3_5_1-0edb50b4b4b553a1)
[INFO] [stderr]   Executable unittests src/3_5_2/main.rs (/opt/rustwide/target/debug/deps/3_5_2-41031f729ba9e0f2)
[INFO] [stderr]   Executable unittests src/3_5_3/main.rs (/opt/rustwide/target/debug/deps/3_5_3-4bc28ea1bc242e38)
[INFO] [stderr]   Executable unittests src/3_5_4/main.rs (/opt/rustwide/target/debug/deps/3_5_4-290287f6218d6e82)
[INFO] [stderr]   Executable unittests src/3_6_1/main.rs (/opt/rustwide/target/debug/deps/3_6_1-d8a30aeb6bbd57c9)
[INFO] [stderr]   Executable unittests src/3_6_2/main.rs (/opt/rustwide/target/debug/deps/3_6_2-a988efba5ff4ac73)
[INFO] [stderr]   Executable unittests src/3_6_3/main.rs (/opt/rustwide/target/debug/deps/3_6_3-1d6a92c6e09ab405)
[INFO] [stderr]   Executable unittests src/3_9_1/main.rs (/opt/rustwide/target/debug/deps/3_9_1-cfdb7b473aa487e0)
[INFO] [stderr]   Executable unittests src/3_9_2/main.rs (/opt/rustwide/target/debug/deps/3_9_2-b982d937282b4567)
[INFO] [stderr]   Executable unittests src/3_9_3/main.rs (/opt/rustwide/target/debug/deps/3_9_3-11d7a40146f7ea61)
[INFO] [stderr]   Executable unittests src/3_9_4/main.rs (/opt/rustwide/target/debug/deps/3_9_4-854a76975e7c9637)
[INFO] [stderr]   Executable unittests src/3_9_5/main.rs (/opt/rustwide/target/debug/deps/3_9_5-1a835f80571790b0)
[INFO] [stderr]   Executable unittests src/3_1/main.rs (/opt/rustwide/target/debug/deps/main_3_1-d6976ca38a97e7e7)
[INFO] [stderr]   Executable unittests src/3_2/3_2_1/main_3_2_1_1.rs (/opt/rustwide/target/debug/deps/main_3_2_1_1-baab003b6c0f14af)
[INFO] [stderr]   Executable unittests src/3_2/3_2_1/main_3_2_1_2.rs (/opt/rustwide/target/debug/deps/main_3_2_1_2-17657767ffc15b18)
[INFO] [stderr]   Executable unittests src/3_2/3_2_2/main_3_2_2_1.rs (/opt/rustwide/target/debug/deps/main_3_2_2_1-22ca9d6f134815a3)
[INFO] [stderr]   Executable unittests src/3_2/3_2_2/main_3_2_2_2.rs (/opt/rustwide/target/debug/deps/main_3_2_2_2-b98dd9709a3b91ec)
[INFO] [stderr]   Executable unittests src/3_2/3_2_2/main_3_2_2_3.rs (/opt/rustwide/target/debug/deps/main_3_2_2_3-888dad945a925356)
[INFO] [stderr]   Executable unittests src/4_2_1/main.rs (/opt/rustwide/target/debug/deps/4_2_1-8c2e167bc481ad9c)
[INFO] [stderr]   Executable unittests src/4_2_3/main.rs (/opt/rustwide/target/debug/deps/4_2_3-b4dc24c1417bf7a5)
[INFO] [stderr]   Executable unittests src/4_2_4/main.rs (/opt/rustwide/target/debug/deps/4_2_4-6af6fcf0a7320743)
[INFO] [stderr]   Executable unittests src/4_2_5/main.rs (/opt/rustwide/target/debug/deps/4_2_5-e71fbaab4eba523e)
[INFO] [stderr]   Executable unittests src/4_3_1/main.rs (/opt/rustwide/target/debug/deps/4_3_1-4468b1618b1f7215)
[INFO] [stderr]   Executable unittests src/4_5/main.rs (/opt/rustwide/target/debug/deps/4_5-e5211332b1ed4b45)
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/chapter5-2a15d823beb51fc1)
[INFO] [stderr]   Executable unittests src/6_5/main.rs (/opt/rustwide/target/debug/deps/6_5-4e85b2e5bd46277b)
[INFO] [stderr]   Executable unittests src/6_6/main.rs (/opt/rustwide/target/debug/deps/6_6-c0613490c56aca92)
[INFO] [stderr]   Executable unittests src/6_7/main.rs (/opt/rustwide/target/debug/deps/6_7-ae19553bffc0c55a)
[INFO] [stderr]   Executable unittests src/6_8/main.rs (/opt/rustwide/target/debug/deps/6_8-250d560c5db5d35e)
[INFO] [stderr]   Executable unittests src/6_9/main.rs (/opt/rustwide/target/debug/deps/6_9-9386e3dbc4718a66)
[INFO] [stderr]   Executable unittests src/7_2_1/server.rs (/opt/rustwide/target/debug/deps/7_2_1-be2381e00bd064bb)
[INFO] [stderr]   Executable unittests src/7_2_2/client.rs (/opt/rustwide/target/debug/deps/7_2_2-bd1eeb51ab1c1562)
[INFO] [stderr]   Executable unittests src/7_3_1/main.rs (/opt/rustwide/target/debug/deps/7_3_1-6a7bdec252620cad)
[INFO] [stderr]   Executable unittests src/7_3_2/main.rs (/opt/rustwide/target/debug/deps/7_3_2-abbdd08f0f9852d7)
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/chapter8-6aeaa2f55d04049f)
[INFO] [stderr]   Executable unittests src/9_5_1/main.rs (/opt/rustwide/target/debug/deps/9_5_1-246b3c03da85e3ba)
[INFO] [stderr]   Executable unittests src/9_5_2/main.rs (/opt/rustwide/target/debug/deps/9_5_2-bdeb4ad13b040879)
[INFO] [stderr]   Executable unittests src/9_5_3/main.rs (/opt/rustwide/target/debug/deps/9_5_3-d9934c18030e88cb)
[INFO] [stderr]   Executable unittests src/9_5_4/main.rs (/opt/rustwide/target/debug/deps/9_5_4-5beb06a5a6f6b5ab)
[INFO] [stderr]   Executable unittests src/9_5_5/main.rs (/opt/rustwide/target/debug/deps/9_5_5-10683492579957b2)
[INFO] [stderr]   Executable unittests src/9_5_6/main.rs (/opt/rustwide/target/debug/deps/9_5_6-864ecf05559f6853)
[INFO] [stderr]   Executable unittests src/9_5_7/main.rs (/opt/rustwide/target/debug/deps/9_5_7-dd213f0aee64c01d)
[INFO] [stderr]   Executable unittests src/main_9_2_1.rs (/opt/rustwide/target/debug/deps/main_9_2_1-9f1cf2ba483fea91)
[INFO] [stderr]   Executable unittests src/main_9_2_3.rs (/opt/rustwide/target/debug/deps/main_9_2_3-b4561e70e9f68654)
[INFO] [stderr]   Executable unittests src/main_9_2_4.rs (/opt/rustwide/target/debug/deps/main_9_2_4-990571bc0792b9a7)
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/lib-0d49213dd81c2bdc)
[INFO] running `Command { std: "docker" "inspect" "76251a25e9e1a75b9c7fc867989df68428b092b6a48c7bd415ba80f6259b62b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76251a25e9e1a75b9c7fc867989df68428b092b6a48c7bd415ba80f6259b62b9", kill_on_drop: false }`
[INFO] [stdout] 76251a25e9e1a75b9c7fc867989df68428b092b6a48c7bd415ba80f6259b62b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f7ec91f6457591a51b2b97f6eeec9265f572754ba4ccd175677da24ab825fac2
[INFO] running `Command { std: "docker" "start" "-a" "f7ec91f6457591a51b2b97f6eeec9265f572754ba4ccd175677da24ab825fac2", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `name`
[INFO] [stderr]  --> chapter3/src/3_4_3/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     name: String,
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] note: `HeaderOwn` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]  --> chapter3/src/3_4_3/main.rs:6:10
[INFO] [stderr]   |
[INFO] [stderr] 6 | #[derive(Debug)]
[INFO] [stderr]   |          ^^^^^
[INFO] [stderr]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `value`
[INFO] [stderr]  --> chapter3/src/3_4_3/main.rs:9:5
[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]  --> chapter3/src/3_4_3/main.rs:6:10
[INFO] [stderr]   |
[INFO] [stderr] 6 | #[derive(Debug)]
[INFO] [stderr]   |          ^^^^^
[INFO] [stderr]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `chapter3` (bin "3_4_3" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.22s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/appendix-0f418d3f81b60825)
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/chapter1-d9c9b9e3233570be)
[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/10_1/main.rs (/opt/rustwide/target/debug/deps/10_1-53b786e32cead697)
[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/10_2/main.rs (/opt/rustwide/target/debug/deps/10_2-8ab72933bddde253)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/10_3/main.rs (/opt/rustwide/target/debug/deps/10_3-73dfd908460d98ef)
[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-adbfb84043ae7bea)
[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/11_1_3/main.rs (/opt/rustwide/target/debug/deps/11_1_3-869c9a38720324b7)
[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-e87b2d945c6c9fbb)
[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-fca5862e4c6afdbb)
[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-f05f26cdf36c8d89)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/11_2_1/main.rs (/opt/rustwide/target/debug/deps/11_2_1-1b190b9ad5903455)
[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_3-28c2f7d3e3032ae6)
[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/11_3/main.rs (/opt/rustwide/target/debug/deps/11_3-dd4dcb8f57e684a5)
[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_8-3cce061882dd1e3a)
[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/main.rs (/opt/rustwide/target/debug/deps/chapter12-72d3cfcd8fae5436)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/chapter13-45b2dc235387f7b4)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/chapter14-1ffde4ac3fffdbb6)
[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] [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-ea5f5720d17bc4ce)
[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/main.rs (/opt/rustwide/target/debug/deps/chapter16-cea673d989127a0e)
[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/chapter17-667b1e7fa6dbc509)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/2_4_1/main.rs (/opt/rustwide/target/debug/deps/2_4_1-e093a92f6205acb9)
[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/2_4_2/main.rs (/opt/rustwide/target/debug/deps/2_4_2-920bb312bad11f66)
[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/2_4_3/main.rs (/opt/rustwide/target/debug/deps/2_4_3-706756f228443208)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests src/2_4_5/main.rs (/opt/rustwide/target/debug/deps/2_4_5-412d9a08142c206c)
[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/2_4_6/main.rs (/opt/rustwide/target/debug/deps/2_4_6-b229f880b44be563)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/2_8_1/main.rs (/opt/rustwide/target/debug/deps/2_8_1-93b42e24d31d3233)
[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-d8b0df348e4c7269)
[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/2_8_3/main.rs (/opt/rustwide/target/debug/deps/2_8_3-6ed1e0619a201a81)
[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_4-89674ecba1297281)
[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/2_4_4/server.rs (/opt/rustwide/target/debug/deps/server_2_4_4-d1791e0463406a33)
[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-bf4965ed0f5e4918)
[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_4_2/main.rs (/opt/rustwide/target/debug/deps/3_4_2-db4fe8a7af05f966)
[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_3-4d69c4629e2de2a7)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/3_4_4/main.rs (/opt/rustwide/target/debug/deps/3_4_4-47d6e331aa73f8a8)
[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] [stdout] 
[INFO] [stderr]      Running unittests src/3_5_1/main.rs (/opt/rustwide/target/debug/deps/3_5_1-0edb50b4b4b553a1)
[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_2-41031f729ba9e0f2)
[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_5_3/main.rs (/opt/rustwide/target/debug/deps/3_5_3-4bc28ea1bc242e38)
[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_4-290287f6218d6e82)
[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_1/main.rs (/opt/rustwide/target/debug/deps/3_6_1-d8a30aeb6bbd57c9)
[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_6_2/main.rs (/opt/rustwide/target/debug/deps/3_6_2-a988efba5ff4ac73)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/3_6_3/main.rs (/opt/rustwide/target/debug/deps/3_6_3-1d6a92c6e09ab405)
[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_9_1/main.rs (/opt/rustwide/target/debug/deps/3_9_1-cfdb7b473aa487e0)
[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-b982d937282b4567)
[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_3-11d7a40146f7ea61)
[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_4-854a76975e7c9637)
[INFO] [stderr]      Running unittests src/3_9_5/main.rs (/opt/rustwide/target/debug/deps/3_9_5-1a835f80571790b0)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/3_1/main.rs (/opt/rustwide/target/debug/deps/main_3_1-d6976ca38a97e7e7)
[INFO] [stdout] running 0 tests
[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-baab003b6c0f14af)
[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] [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_2/3_2_1/main_3_2_1_2.rs (/opt/rustwide/target/debug/deps/main_3_2_1_2-17657767ffc15b18)
[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_1-22ca9d6f134815a3)
[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-b98dd9709a3b91ec)
[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_3-888dad945a925356)
[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] [stdout] 
[INFO] [stderr]      Running unittests src/4_2_1/main.rs (/opt/rustwide/target/debug/deps/4_2_1-8c2e167bc481ad9c)
[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] [stdout] 
[INFO] [stderr]      Running unittests src/4_2_3/main.rs (/opt/rustwide/target/debug/deps/4_2_3-b4dc24c1417bf7a5)
[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_4-6af6fcf0a7320743)
[INFO] [stderr]      Running unittests src/4_2_5/main.rs (/opt/rustwide/target/debug/deps/4_2_5-e71fbaab4eba523e)
[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/4_3_1/main.rs (/opt/rustwide/target/debug/deps/4_3_1-4468b1618b1f7215)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/4_5/main.rs (/opt/rustwide/target/debug/deps/4_5-e5211332b1ed4b45)
[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/chapter5-2a15d823beb51fc1)
[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/6_5/main.rs (/opt/rustwide/target/debug/deps/6_5-4e85b2e5bd46277b)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests src/6_6/main.rs (/opt/rustwide/target/debug/deps/6_6-c0613490c56aca92)
[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/6_7/main.rs (/opt/rustwide/target/debug/deps/6_7-ae19553bffc0c55a)
[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/6_8/main.rs (/opt/rustwide/target/debug/deps/6_8-250d560c5db5d35e)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/6_9/main.rs (/opt/rustwide/target/debug/deps/6_9-9386e3dbc4718a66)
[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-be2381e00bd064bb)
[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] [stdout] 
[INFO] [stderr]      Running unittests src/7_2_2/client.rs (/opt/rustwide/target/debug/deps/7_2_2-bd1eeb51ab1c1562)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests src/7_3_1/main.rs (/opt/rustwide/target/debug/deps/7_3_1-6a7bdec252620cad)
[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/7_3_2/main.rs (/opt/rustwide/target/debug/deps/7_3_2-abbdd08f0f9852d7)
[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/chapter8-6aeaa2f55d04049f)
[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/9_5_1/main.rs (/opt/rustwide/target/debug/deps/9_5_1-246b3c03da85e3ba)
[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-bdeb4ad13b040879)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/9_5_3/main.rs (/opt/rustwide/target/debug/deps/9_5_3-d9934c18030e88cb)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests src/9_5_4/main.rs (/opt/rustwide/target/debug/deps/9_5_4-5beb06a5a6f6b5ab)
[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] [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/9_5_5/main.rs (/opt/rustwide/target/debug/deps/9_5_5-10683492579957b2)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests src/9_5_6/main.rs (/opt/rustwide/target/debug/deps/9_5_6-864ecf05559f6853)
[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-dd213f0aee64c01d)
[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/main_9_2_1.rs (/opt/rustwide/target/debug/deps/main_9_2_1-9f1cf2ba483fea91)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests src/main_9_2_3.rs (/opt/rustwide/target/debug/deps/main_9_2_3-b4561e70e9f68654)
[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/main_9_2_4.rs (/opt/rustwide/target/debug/deps/main_9_2_4-990571bc0792b9a7)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/lib-0d49213dd81c2bdc)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests lib
[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] [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 7 tests
[INFO] [stdout] test src/image/png/png_analyzer.rs - image::png::png_analyzer::PngAnalyzer (line 9) - compile ... ok
[INFO] [stdout] test src/binary.rs - binary::read (line 13) ... ok
[INFO] [stdout] test src/env.rs - env::temp_file (line 12) ... ok
[INFO] [stdout] test src/io/section_reader.rs - io::section_reader::SectionReader (line 8) ... ok
[INFO] [stdout] test src/path.rs - path::ExtendedPath (line 50) ... ok
[INFO] [stdout] test src/io/limited_reader.rs - io::limited_reader::LimitedReader (line 10) ... ok
[INFO] [stdout] test src/io/multi_writer.rs - io::multi_writer::MultiWriter (line 10) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/io/multi_writer.rs - io::multi_writer::MultiWriter (line 10) stdout ----
[INFO] [stdout] Test executable failed (exit code 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]     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 6.15s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "f7ec91f6457591a51b2b97f6eeec9265f572754ba4ccd175677da24ab825fac2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7ec91f6457591a51b2b97f6eeec9265f572754ba4ccd175677da24ab825fac2", kill_on_drop: false }`
[INFO] [stdout] f7ec91f6457591a51b2b97f6eeec9265f572754ba4ccd175677da24ab825fac2