[INFO] fetching crate retain_mut 0.1.3...
[INFO] testing retain_mut-0.1.3 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate retain_mut 0.1.3 into /workspace/builds/worker-106/source
[INFO] validating manifest of crates.io crate retain_mut 0.1.3 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate retain_mut 0.1.3
[INFO] finished tweaking crates.io crate retain_mut 0.1.3
[INFO] tweaked toml for crates.io crate retain_mut 0.1.3 written to /workspace/builds/worker-106/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d58a9312b8949e8e6f5bfc4675f9b2ca3b50055a68b982ed82bfe1b046b48799
[INFO] running `Command { std: "docker" "start" "-a" "d58a9312b8949e8e6f5bfc4675f9b2ca3b50055a68b982ed82bfe1b046b48799", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d58a9312b8949e8e6f5bfc4675f9b2ca3b50055a68b982ed82bfe1b046b48799", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d58a9312b8949e8e6f5bfc4675f9b2ca3b50055a68b982ed82bfe1b046b48799", kill_on_drop: false }`
[INFO] [stdout] d58a9312b8949e8e6f5bfc4675f9b2ca3b50055a68b982ed82bfe1b046b48799
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 96d158a059d6e8f7c130cb4f41fb324e940fcf4437c7690313729984ce12e576
[INFO] running `Command { std: "docker" "start" "-a" "96d158a059d6e8f7c130cb4f41fb324e940fcf4437c7690313729984ce12e576", kill_on_drop: false }`
[INFO] [stderr]    Compiling retain_mut v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "96d158a059d6e8f7c130cb4f41fb324e940fcf4437c7690313729984ce12e576", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96d158a059d6e8f7c130cb4f41fb324e940fcf4437c7690313729984ce12e576", kill_on_drop: false }`
[INFO] [stdout] 96d158a059d6e8f7c130cb4f41fb324e940fcf4437c7690313729984ce12e576
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a7e02893ea6bc36d90404ce8a7fe5c4677dfe2f5e1646347ab42dfdedbc8481
[INFO] running `Command { std: "docker" "start" "-a" "9a7e02893ea6bc36d90404ce8a7fe5c4677dfe2f5e1646347ab42dfdedbc8481", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling retain_mut v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.70s
[INFO] running `Command { std: "docker" "inspect" "9a7e02893ea6bc36d90404ce8a7fe5c4677dfe2f5e1646347ab42dfdedbc8481", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a7e02893ea6bc36d90404ce8a7fe5c4677dfe2f5e1646347ab42dfdedbc8481", kill_on_drop: false }`
[INFO] [stdout] 9a7e02893ea6bc36d90404ce8a7fe5c4677dfe2f5e1646347ab42dfdedbc8481
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2fffdc7343597112a2fd7996c123b7e4b67f79da6734a992e0af44e263a5eeb7
[INFO] running `Command { std: "docker" "start" "-a" "2fffdc7343597112a2fd7996c123b7e4b67f79da6734a992e0af44e263a5eeb7", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/retain_mut-e69e3996103bab10)
[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]    Doc-tests retain_mut
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 20) ... ok
[INFO] [stdout] test src/lib.rs - (line 29) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.47s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2fffdc7343597112a2fd7996c123b7e4b67f79da6734a992e0af44e263a5eeb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fffdc7343597112a2fd7996c123b7e4b67f79da6734a992e0af44e263a5eeb7", kill_on_drop: false }`
[INFO] [stdout] 2fffdc7343597112a2fd7996c123b7e4b67f79da6734a992e0af44e263a5eeb7
