[INFO] cloning repository https://github.com/mah-shee/abc175
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mah-shee/abc175" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmah-shee%2Fabc175", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmah-shee%2Fabc175'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d341b385f00aac1ddffd2202092fd90734a71db1
[INFO] testing mah-shee/abc175 against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmah-shee%2Fabc175" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mah-shee/abc175 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mah-shee/abc175
[INFO] finished tweaking git repo https://github.com/mah-shee/abc175
[INFO] tweaked toml for git repo https://github.com/mah-shee/abc175 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/mah-shee/abc175 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1f092e4d39ccc0e57efc51059a728828841c979a68a57702b48bfec8b9cbf3c4
[INFO] running `Command { std: "docker" "start" "-a" "1f092e4d39ccc0e57efc51059a728828841c979a68a57702b48bfec8b9cbf3c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f092e4d39ccc0e57efc51059a728828841c979a68a57702b48bfec8b9cbf3c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f092e4d39ccc0e57efc51059a728828841c979a68a57702b48bfec8b9cbf3c4", kill_on_drop: false }`
[INFO] [stdout] 1f092e4d39ccc0e57efc51059a728828841c979a68a57702b48bfec8b9cbf3c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b9bba4e03df41a83b9ae92aa2c54583090b6c694200b64ad66b216f7b1bb8964
[INFO] running `Command { std: "docker" "start" "-a" "b9bba4e03df41a83b9ae92aa2c54583090b6c694200b64ad66b216f7b1bb8964", kill_on_drop: false }`
[INFO] [stderr]    Compiling abc175 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]  --> src/bin/c.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |         x: isize,
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]  --> src/bin/c.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |         k: isize,
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `d`
[INFO] [stdout]  --> src/bin/c.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |         d: isize,
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.11s
[INFO] running `Command { std: "docker" "inspect" "b9bba4e03df41a83b9ae92aa2c54583090b6c694200b64ad66b216f7b1bb8964", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9bba4e03df41a83b9ae92aa2c54583090b6c694200b64ad66b216f7b1bb8964", kill_on_drop: false }`
[INFO] [stdout] b9bba4e03df41a83b9ae92aa2c54583090b6c694200b64ad66b216f7b1bb8964
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 62f0797ac73502feda49d2253ebdcb44f8221ba373e412017df01510ec652cd4
[INFO] running `Command { std: "docker" "start" "-a" "62f0797ac73502feda49d2253ebdcb44f8221ba373e412017df01510ec652cd4", kill_on_drop: false }`
[INFO] [stderr]    Compiling abc175 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]  --> src/bin/c.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |         x: isize,
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]  --> src/bin/c.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |         k: isize,
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `d`
[INFO] [stdout]  --> src/bin/c.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |         d: isize,
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "62f0797ac73502feda49d2253ebdcb44f8221ba373e412017df01510ec652cd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62f0797ac73502feda49d2253ebdcb44f8221ba373e412017df01510ec652cd4", kill_on_drop: false }`
[INFO] [stdout] 62f0797ac73502feda49d2253ebdcb44f8221ba373e412017df01510ec652cd4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6e9c9442ebaec3cb7b846aa83d2c1c1ac3fbce358e48995a4c992d7131e2c43b
[INFO] running `Command { std: "docker" "start" "-a" "6e9c9442ebaec3cb7b846aa83d2c1c1ac3fbce358e48995a4c992d7131e2c43b", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]  --> src/bin/c.rs:7:9
[INFO] [stderr]   |
[INFO] [stderr] 7 |         x: isize,
[INFO] [stderr]   |         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `k`
[INFO] [stderr]  --> src/bin/c.rs:8:9
[INFO] [stderr]   |
[INFO] [stderr] 8 |         k: isize,
[INFO] [stderr]   |         ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `d`
[INFO] [stderr]  --> src/bin/c.rs:9:9
[INFO] [stderr]   |
[INFO] [stderr] 9 |         d: isize,
[INFO] [stderr]   |         ^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stderr] 
[INFO] [stderr] warning: `abc175` (bin "c" test) generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/a-0ab37d1f1ab2c9f7)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/b-f7e0d1c8c77c1162)
[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/c-d782e138235dcbe7)
[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/d-a4579b3133de6109)
[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/e-7581524f55e0d089)
[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/f-5c4bb9cf7f052ee2)
[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] running `Command { std: "docker" "inspect" "6e9c9442ebaec3cb7b846aa83d2c1c1ac3fbce358e48995a4c992d7131e2c43b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e9c9442ebaec3cb7b846aa83d2c1c1ac3fbce358e48995a4c992d7131e2c43b", kill_on_drop: false }`
[INFO] [stdout] 6e9c9442ebaec3cb7b846aa83d2c1c1ac3fbce358e48995a4c992d7131e2c43b