[INFO] cloning repository https://github.com/zhangxiaocong/testrust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zhangxiaocong/testrust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhangxiaocong%2Ftestrust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhangxiaocong%2Ftestrust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b2dbf849e0c4c1f57a1a76385ff1684040b14d50
[INFO] testing zhangxiaocong/testrust against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhangxiaocong%2Ftestrust" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zhangxiaocong/testrust 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/zhangxiaocong/testrust
[INFO] finished tweaking git repo https://github.com/zhangxiaocong/testrust
[INFO] tweaked toml for git repo https://github.com/zhangxiaocong/testrust written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/zhangxiaocong/testrust 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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0bc8f9d3f585641d1f6cff3f8abd3618b8567e21dddf06deb587e47e761852e8
[INFO] running `Command { std: "docker" "start" "-a" "0bc8f9d3f585641d1f6cff3f8abd3618b8567e21dddf06deb587e47e761852e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0bc8f9d3f585641d1f6cff3f8abd3618b8567e21dddf06deb587e47e761852e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bc8f9d3f585641d1f6cff3f8abd3618b8567e21dddf06deb587e47e761852e8", kill_on_drop: false }`
[INFO] [stdout] 0bc8f9d3f585641d1f6cff3f8abd3618b8567e21dddf06deb587e47e761852e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d6599dca9a00fa0eb03019397a6ee003b64552f16afb2d7e58d84cad03370447
[INFO] running `Command { std: "docker" "start" "-a" "d6599dca9a00fa0eb03019397a6ee003b64552f16afb2d7e58d84cad03370447", kill_on_drop: false }`
[INFO] [stderr]    Compiling testrust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `cointype`
[INFO] [stdout]   --> src/second.rs:22:3
[INFO] [stdout]    |
[INFO] [stdout] 22 |   cointype:i32,
[INFO] [stdout]    |   ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/second.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | #[warn(dead_code)]
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.26s
[INFO] running `Command { std: "docker" "inspect" "d6599dca9a00fa0eb03019397a6ee003b64552f16afb2d7e58d84cad03370447", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6599dca9a00fa0eb03019397a6ee003b64552f16afb2d7e58d84cad03370447", kill_on_drop: false }`
[INFO] [stdout] d6599dca9a00fa0eb03019397a6ee003b64552f16afb2d7e58d84cad03370447
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8d7ba82b3520a30ec4c202a425fa18eed618a40f7374eaa8893f806d85671656
[INFO] running `Command { std: "docker" "start" "-a" "8d7ba82b3520a30ec4c202a425fa18eed618a40f7374eaa8893f806d85671656", kill_on_drop: false }`
[INFO] [stderr]    Compiling testrust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `cointype`
[INFO] [stdout]   --> src/second.rs:22:3
[INFO] [stdout]    |
[INFO] [stdout] 22 |   cointype:i32,
[INFO] [stdout]    |   ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/second.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | #[warn(dead_code)]
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "8d7ba82b3520a30ec4c202a425fa18eed618a40f7374eaa8893f806d85671656", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d7ba82b3520a30ec4c202a425fa18eed618a40f7374eaa8893f806d85671656", kill_on_drop: false }`
[INFO] [stdout] 8d7ba82b3520a30ec4c202a425fa18eed618a40f7374eaa8893f806d85671656
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c3d0c51d5104b1d86bfe3e9aa0476743b317c4878a6034d5fbaca70bc1c85b92
[INFO] running `Command { std: "docker" "start" "-a" "c3d0c51d5104b1d86bfe3e9aa0476743b317c4878a6034d5fbaca70bc1c85b92", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: field is never read: `cointype`
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/second.rs:22:3
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 22 |   cointype:i32,
[INFO] [stdout] 
[INFO] [stderr]    |   ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]   --> src/second.rs:20:8
[INFO] [stderr]    |
[INFO] [stderr] 20 | #[warn(dead_code)]
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `testrust` (bin "testrust" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/testrust-8dd61d468f6d7ea8)
[INFO] running `Command { std: "docker" "inspect" "c3d0c51d5104b1d86bfe3e9aa0476743b317c4878a6034d5fbaca70bc1c85b92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3d0c51d5104b1d86bfe3e9aa0476743b317c4878a6034d5fbaca70bc1c85b92", kill_on_drop: false }`
[INFO] [stdout] c3d0c51d5104b1d86bfe3e9aa0476743b317c4878a6034d5fbaca70bc1c85b92