[INFO] cloning repository https://github.com/Ojvar/rust_check_sign_order
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Ojvar/rust_check_sign_order" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOjvar%2Frust_check_sign_order", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOjvar%2Frust_check_sign_order'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 13037229a7b9a35cd974b4257a5505aabbd8be38
[INFO] testing Ojvar/rust_check_sign_order against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOjvar%2Frust_check_sign_order" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Ojvar/rust_check_sign_order
[INFO] finished tweaking git repo https://github.com/Ojvar/rust_check_sign_order
[INFO] tweaked toml for git repo https://github.com/Ojvar/rust_check_sign_order written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Ojvar/rust_check_sign_order on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Ojvar/rust_check_sign_order 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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7427a5c5bda748d0e0088fec6be13a22dc211af218616e1c6e787c70b19e7bb4
[INFO] running `Command { std: "docker" "start" "-a" "7427a5c5bda748d0e0088fec6be13a22dc211af218616e1c6e787c70b19e7bb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7427a5c5bda748d0e0088fec6be13a22dc211af218616e1c6e787c70b19e7bb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7427a5c5bda748d0e0088fec6be13a22dc211af218616e1c6e787c70b19e7bb4", kill_on_drop: false }`
[INFO] [stdout] 7427a5c5bda748d0e0088fec6be13a22dc211af218616e1c6e787c70b19e7bb4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 172b0189eedde35d01193081890be2de41fa2df69a0f83059969bf51e6e6615d
[INFO] running `Command { std: "docker" "start" "-a" "172b0189eedde35d01193081890be2de41fa2df69a0f83059969bf51e6e6615d", kill_on_drop: false }`
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[INFO] [stderr]    Compiling x1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: methods `peek` and `size` are never used
[INFO] [stdout]   --> src/main.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl<T> Stack<T> {
[INFO] [stdout]    | ---------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 25 |     fn peek(&self) -> Option<&T> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |     fn size(&self) -> usize {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3m 21s
[INFO] running `Command { std: "docker" "inspect" "172b0189eedde35d01193081890be2de41fa2df69a0f83059969bf51e6e6615d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "172b0189eedde35d01193081890be2de41fa2df69a0f83059969bf51e6e6615d", kill_on_drop: false }`
[INFO] [stdout] 172b0189eedde35d01193081890be2de41fa2df69a0f83059969bf51e6e6615d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 68e8f2dc9ef041198d4b31ac1a1e9aa5210b9dceb9e0cd9706da6a3fbc9cdb82
[INFO] running `Command { std: "docker" "start" "-a" "68e8f2dc9ef041198d4b31ac1a1e9aa5210b9dceb9e0cd9706da6a3fbc9cdb82", kill_on_drop: false }`
[INFO] [stderr]    Compiling x1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: methods `peek` and `size` are never used
[INFO] [stdout]   --> src/main.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl<T> Stack<T> {
[INFO] [stdout]    | ---------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 25 |     fn peek(&self) -> Option<&T> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |     fn size(&self) -> usize {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `Command { std: "docker" "inspect" "68e8f2dc9ef041198d4b31ac1a1e9aa5210b9dceb9e0cd9706da6a3fbc9cdb82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68e8f2dc9ef041198d4b31ac1a1e9aa5210b9dceb9e0cd9706da6a3fbc9cdb82", kill_on_drop: false }`
[INFO] [stdout] 68e8f2dc9ef041198d4b31ac1a1e9aa5210b9dceb9e0cd9706da6a3fbc9cdb82
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9dbccbb870e78ed97a52ecccdec76d56caa96d37abd7a7ec902ad596b6ad0dbc
[INFO] running `Command { std: "docker" "start" "-a" "9dbccbb870e78ed97a52ecccdec76d56caa96d37abd7a7ec902ad596b6ad0dbc", kill_on_drop: false }`
[INFO] [stderr] warning: methods `peek` and `size` are never used
[INFO] [stderr]   --> src/main.rs:25:8
[INFO] [stderr]    |
[INFO] [stderr] 10 | impl<T> Stack<T> {
[INFO] [stderr]    | ---------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 25 |     fn peek(&self) -> Option<&T> {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 33 |     fn size(&self) -> usize {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `x1` (bin "x1" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.36s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/x1-35e055e3f8eef9a2)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::test_correct_sequence ... ok
[INFO] [stdout] test tests::test_incorrect_sequence ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9dbccbb870e78ed97a52ecccdec76d56caa96d37abd7a7ec902ad596b6ad0dbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9dbccbb870e78ed97a52ecccdec76d56caa96d37abd7a7ec902ad596b6ad0dbc", kill_on_drop: false }`
[INFO] [stdout] 9dbccbb870e78ed97a52ecccdec76d56caa96d37abd7a7ec902ad596b6ad0dbc