[INFO] cloning repository https://github.com/robmcl4/rust-bug-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/robmcl4/rust-bug-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobmcl4%2Frust-bug-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobmcl4%2Frust-bug-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b2ef25be1e6bc704ab98a57e9212abc6b31775a0
[INFO] testing robmcl4/rust-bug-example against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobmcl4%2Frust-bug-example" "/workspace/builds/worker-37/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-37/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/robmcl4/rust-bug-example 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/robmcl4/rust-bug-example
[INFO] finished tweaking git repo https://github.com/robmcl4/rust-bug-example
[INFO] tweaked toml for git repo https://github.com/robmcl4/rust-bug-example written to /workspace/builds/worker-37/source/Cargo.toml
[INFO] crate git repo https://github.com/robmcl4/rust-bug-example 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] [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-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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] a85855a9b78a5c2f4fce167c97063da0aa21920924b23b2042bc634336170fb9
[INFO] running `Command { std: "docker" "start" "-a" "a85855a9b78a5c2f4fce167c97063da0aa21920924b23b2042bc634336170fb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a85855a9b78a5c2f4fce167c97063da0aa21920924b23b2042bc634336170fb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a85855a9b78a5c2f4fce167c97063da0aa21920924b23b2042bc634336170fb9", kill_on_drop: false }`
[INFO] [stdout] a85855a9b78a5c2f4fce167c97063da0aa21920924b23b2042bc634336170fb9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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] 14cac7c54e607d90e981533e81562c39ad5fadef4ab9abcf6acf2a3f941ff0fc
[INFO] running `Command { std: "docker" "start" "-a" "14cac7c54e607d90e981533e81562c39ad5fadef4ab9abcf6acf2a3f941ff0fc", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling bug v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "14cac7c54e607d90e981533e81562c39ad5fadef4ab9abcf6acf2a3f941ff0fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14cac7c54e607d90e981533e81562c39ad5fadef4ab9abcf6acf2a3f941ff0fc", kill_on_drop: false }`
[INFO] [stdout] 14cac7c54e607d90e981533e81562c39ad5fadef4ab9abcf6acf2a3f941ff0fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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] 57863f0620fab818707ad7ffdae0170378e8433463582e0fdab76344d00c1013
[INFO] running `Command { std: "docker" "start" "-a" "57863f0620fab818707ad7ffdae0170378e8433463582e0fdab76344d00c1013", kill_on_drop: false }`
[INFO] [stderr]    Compiling bug v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant is never used: `A`
[INFO] [stdout]  --> tests/foo/mod.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub const A: i32 = 0x01;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `B`
[INFO] [stdout]  --> tests/foo/mod.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub const B: i32 = 0x01;
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `Command { std: "docker" "inspect" "57863f0620fab818707ad7ffdae0170378e8433463582e0fdab76344d00c1013", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57863f0620fab818707ad7ffdae0170378e8433463582e0fdab76344d00c1013", kill_on_drop: false }`
[INFO] [stdout] 57863f0620fab818707ad7ffdae0170378e8433463582e0fdab76344d00c1013
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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] 18d8c87592331000e993f8cc93b46e2f8105adc9fdcf88b2a729005bcdd87e84
[INFO] running `Command { std: "docker" "start" "-a" "18d8c87592331000e993f8cc93b46e2f8105adc9fdcf88b2a729005bcdd87e84", kill_on_drop: false }`
[INFO] [stderr] warning: constant is never used: `A`
[INFO] [stderr]  --> tests/foo/mod.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub const A: i32 = 0x01;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `bug` (test "test2") generated 1 warning
[INFO] [stderr] warning: constant is never used: `B`
[INFO] [stderr]  --> tests/foo/mod.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub const B: i32 = 0x01;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `bug` (test "test1") generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/bug-8272033a933e868b)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test1.rs (/opt/rustwide/target/debug/deps/test1-4406a3a9be30ca92)
[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 1 test
[INFO] [stderr]      Running tests/test2.rs (/opt/rustwide/target/debug/deps/test2-16c19c675702cda1)
[INFO] [stdout] test foo ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test foo ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "18d8c87592331000e993f8cc93b46e2f8105adc9fdcf88b2a729005bcdd87e84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18d8c87592331000e993f8cc93b46e2f8105adc9fdcf88b2a729005bcdd87e84", kill_on_drop: false }`
[INFO] [stdout] 18d8c87592331000e993f8cc93b46e2f8105adc9fdcf88b2a729005bcdd87e84