[INFO] fetching crate retain_mut 0.1.3...
[INFO] testing retain_mut-0.1.3 against 1.54.0 for beta-1.55-1
[INFO] extracting crate retain_mut 0.1.3 into /workspace/builds/worker-90/source
[INFO] validating manifest of crates.io crate retain_mut 0.1.3 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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-90/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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" "+1.54.0" "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-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2e371d541ab793f8769d27423f2a6075b1f79d6e08ae8ab727d87d6db5010395
[INFO] running `Command { std: "docker" "start" "-a" "2e371d541ab793f8769d27423f2a6075b1f79d6e08ae8ab727d87d6db5010395", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e371d541ab793f8769d27423f2a6075b1f79d6e08ae8ab727d87d6db5010395", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e371d541ab793f8769d27423f2a6075b1f79d6e08ae8ab727d87d6db5010395", kill_on_drop: false }`
[INFO] [stdout] 2e371d541ab793f8769d27423f2a6075b1f79d6e08ae8ab727d87d6db5010395
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bbff29a7fc20704dbb208d04e5c5c921421ecbf2c87be8f6e77ba0503f7b0f19
[INFO] running `Command { std: "docker" "start" "-a" "bbff29a7fc20704dbb208d04e5c5c921421ecbf2c87be8f6e77ba0503f7b0f19", 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 dev [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "bbff29a7fc20704dbb208d04e5c5c921421ecbf2c87be8f6e77ba0503f7b0f19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbff29a7fc20704dbb208d04e5c5c921421ecbf2c87be8f6e77ba0503f7b0f19", kill_on_drop: false }`
[INFO] [stdout] bbff29a7fc20704dbb208d04e5c5c921421ecbf2c87be8f6e77ba0503f7b0f19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0a9d21300071ecdd593dc995d5bce382a9dbeaa6ea86eae26d338a9f7ad1f7c7
[INFO] running `Command { std: "docker" "start" "-a" "0a9d21300071ecdd593dc995d5bce382a9dbeaa6ea86eae26d338a9f7ad1f7c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling retain_mut v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "0a9d21300071ecdd593dc995d5bce382a9dbeaa6ea86eae26d338a9f7ad1f7c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a9d21300071ecdd593dc995d5bce382a9dbeaa6ea86eae26d338a9f7ad1f7c7", kill_on_drop: false }`
[INFO] [stdout] 0a9d21300071ecdd593dc995d5bce382a9dbeaa6ea86eae26d338a9f7ad1f7c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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" "+1.54.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 40a1aad55eb62841477bfef2ab4bc9e541a7cb9d9e03baef1bbf4141d067582f
[INFO] running `Command { std: "docker" "start" "-a" "40a1aad55eb62841477bfef2ab4bc9e541a7cb9d9e03baef1bbf4141d067582f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/retain_mut-570fa9e096eaf6ce)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests retain_mut
[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 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 0.54s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "40a1aad55eb62841477bfef2ab4bc9e541a7cb9d9e03baef1bbf4141d067582f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40a1aad55eb62841477bfef2ab4bc9e541a7cb9d9e03baef1bbf4141d067582f", kill_on_drop: false }`
[INFO] [stdout] 40a1aad55eb62841477bfef2ab4bc9e541a7cb9d9e03baef1bbf4141d067582f
