[INFO] cloning repository https://github.com/yurrriq/rust-in-action [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yurrriq/rust-in-action" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyurrriq%2Frust-in-action", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyurrriq%2Frust-in-action'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 23e431a917a93548837ee24f23f132ee0e6ce5ad [INFO] testing yurrriq/rust-in-action against 1.59.0 for beta-1.60-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyurrriq%2Frust-in-action" "/workspace/builds/worker-27/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-27/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/yurrriq/rust-in-action on toolchain 1.59.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/yurrriq/rust-in-action [INFO] finished tweaking git repo https://github.com/yurrriq/rust-in-action [INFO] tweaked toml for git repo https://github.com/yurrriq/rust-in-action written to /workspace/builds/worker-27/source/Cargo.toml [INFO] crate git repo https://github.com/yurrriq/rust-in-action already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c03bf67ad39d4ba259fcf508fb6beb774327adfdaa9829ea8e101e850c8053f5 [INFO] running `Command { std: "docker" "start" "-a" "c03bf67ad39d4ba259fcf508fb6beb774327adfdaa9829ea8e101e850c8053f5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c03bf67ad39d4ba259fcf508fb6beb774327adfdaa9829ea8e101e850c8053f5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c03bf67ad39d4ba259fcf508fb6beb774327adfdaa9829ea8e101e850c8053f5", kill_on_drop: false }` [INFO] [stdout] c03bf67ad39d4ba259fcf508fb6beb774327adfdaa9829ea8e101e850c8053f5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d5ec27486c965c8324fa4a2702589e3856972031f143978f2b25abc555269dc4 [INFO] running `Command { std: "docker" "start" "-a" "d5ec27486c965c8324fa4a2702589e3856972031f143978f2b25abc555269dc4", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.80 [INFO] [stderr] Compiling regex-syntax v0.6.21 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand_jitter v0.1.4 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Compiling regex v1.4.2 [INFO] [stderr] Compiling rust-in-action v0.3.21 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `sat_a` [INFO] [stdout] --> src/bin/ch4-check-sats.rs:22:9 [INFO] [stdout] | [INFO] [stdout] 22 | let sat_a = check_status(sat_a); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_sat_a` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `id` [INFO] [stdout] --> src/bin/ch4-check-sats.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | id: u64, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `content` [INFO] [stdout] --> src/bin/ch4-sat-mailbox.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | content: String, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 14.95s [INFO] running `Command { std: "docker" "inspect" "d5ec27486c965c8324fa4a2702589e3856972031f143978f2b25abc555269dc4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d5ec27486c965c8324fa4a2702589e3856972031f143978f2b25abc555269dc4", kill_on_drop: false }` [INFO] [stdout] d5ec27486c965c8324fa4a2702589e3856972031f143978f2b25abc555269dc4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 696bb95eeee429f932ad8af6edefe329d37cc043c3fe2a1e21caa88d87248d7e [INFO] running `Command { std: "docker" "start" "-a" "696bb95eeee429f932ad8af6edefe329d37cc043c3fe2a1e21caa88d87248d7e", kill_on_drop: false }` [INFO] [stderr] Compiling rust-in-action v0.3.21 (/opt/rustwide/workdir) [INFO] [stdout] warning: field is never read: `content` [INFO] [stdout] --> src/bin/ch4-sat-mailbox.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | content: String, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `sat_a` [INFO] [stdout] --> src/bin/ch4-check-sats.rs:22:9 [INFO] [stdout] | [INFO] [stdout] 22 | let sat_a = check_status(sat_a); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_sat_a` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `id` [INFO] [stdout] --> src/bin/ch4-check-sats.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | id: u64, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.55s [INFO] running `Command { std: "docker" "inspect" "696bb95eeee429f932ad8af6edefe329d37cc043c3fe2a1e21caa88d87248d7e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "696bb95eeee429f932ad8af6edefe329d37cc043c3fe2a1e21caa88d87248d7e", kill_on_drop: false }` [INFO] [stdout] 696bb95eeee429f932ad8af6edefe329d37cc043c3fe2a1e21caa88d87248d7e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] e3cebffa508fa98706771b61fd4f79b031e85b959a73b36e756ea4283ff9a2af [INFO] running `Command { std: "docker" "start" "-a" "e3cebffa508fa98706771b61fd4f79b031e85b959a73b36e756ea4283ff9a2af", kill_on_drop: false }` [INFO] [stderr] warning: field is never read: `content` [INFO] [stderr] --> src/bin/ch4-sat-mailbox.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | content: String, [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `sat_a` [INFO] [stderr] --> src/bin/ch4-check-sats.rs:22:9 [INFO] [stderr] | [INFO] [stderr] 22 | let sat_a = check_status(sat_a); [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_sat_a` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `id` [INFO] [stderr] --> src/bin/ch4-check-sats.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | id: u64, [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `rust-in-action` (bin "ch4-sat-mailbox" test) generated 1 warning [INFO] [stderr] warning: `rust-in-action` (bin "ch4-check-sats" test) generated 2 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/ch2_first_steps-fb81fee31c1893fd) [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/ch2_generic_with_traits-381e603475ac6f28) [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 (/opt/rustwide/target/debug/deps/ch2_introducing_vec-ae6d2286c033fd3c) [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 (/opt/rustwide/target/debug/deps/ch2_match_needles-acccc19894b3f65f) [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 (/opt/rustwide/target/debug/deps/ch2_needle_in_haystack-4b4c8aba20af282c) [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 (/opt/rustwide/target/debug/deps/ch2_non_base2-571d0ac2f283bad4) [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 (/opt/rustwide/target/debug/deps/ch2_searching_with_regex-d633ef1f26945133) [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/ch2_simple_with_enumerate-419258bad77ead70) [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 (/opt/rustwide/target/debug/deps/ch2_traversing_arrays-8e35423b2edaff7c) [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/ch3_mock_files-dd13ffaf529591d4) [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 (/opt/rustwide/target/debug/deps/ch4_check_sats-b11e7c59b3825745) [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 (/opt/rustwide/target/debug/deps/ch4_sat_mailbox-617b377a2141674e) [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] running `Command { std: "docker" "inspect" "e3cebffa508fa98706771b61fd4f79b031e85b959a73b36e756ea4283ff9a2af", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e3cebffa508fa98706771b61fd4f79b031e85b959a73b36e756ea4283ff9a2af", kill_on_drop: false }` [INFO] [stdout] e3cebffa508fa98706771b61fd4f79b031e85b959a73b36e756ea4283ff9a2af