[INFO] fetching crate readwrite 0.2.0...
[INFO] testing readwrite-0.2.0 against 1.54.0 for beta-1.55-1
[INFO] extracting crate readwrite 0.2.0 into /workspace/builds/worker-55/source
[INFO] validating manifest of crates.io crate readwrite 0.2.0 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 readwrite 0.2.0
[INFO] finished tweaking crates.io crate readwrite 0.2.0
[INFO] tweaked toml for crates.io crate readwrite 0.2.0 written to /workspace/builds/worker-55/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] 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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] abd8fd5ffe3a8df836d826ff640a789ba5043f65acea6f05c31ceecc88112bda
[INFO] running `Command { std: "docker" "start" "-a" "abd8fd5ffe3a8df836d826ff640a789ba5043f65acea6f05c31ceecc88112bda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "abd8fd5ffe3a8df836d826ff640a789ba5043f65acea6f05c31ceecc88112bda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abd8fd5ffe3a8df836d826ff640a789ba5043f65acea6f05c31ceecc88112bda", kill_on_drop: false }`
[INFO] [stdout] abd8fd5ffe3a8df836d826ff640a789ba5043f65acea6f05c31ceecc88112bda
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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] a1b6333456743984618f713379048c4b8fccbab2824acf2afb97b66a6fc8bc70
[INFO] running `Command { std: "docker" "start" "-a" "a1b6333456743984618f713379048c4b8fccbab2824acf2afb97b66a6fc8bc70", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling readwrite v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "a1b6333456743984618f713379048c4b8fccbab2824acf2afb97b66a6fc8bc70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1b6333456743984618f713379048c4b8fccbab2824acf2afb97b66a6fc8bc70", kill_on_drop: false }`
[INFO] [stdout] a1b6333456743984618f713379048c4b8fccbab2824acf2afb97b66a6fc8bc70
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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] cbe43662eeb4536c0e21372dde567ec1f36fa9455342fc98ba984c8a371be1c0
[INFO] running `Command { std: "docker" "start" "-a" "cbe43662eeb4536c0e21372dde567ec1f36fa9455342fc98ba984c8a371be1c0", kill_on_drop: false }`
[INFO] [stderr]    Compiling readwrite v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "cbe43662eeb4536c0e21372dde567ec1f36fa9455342fc98ba984c8a371be1c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbe43662eeb4536c0e21372dde567ec1f36fa9455342fc98ba984c8a371be1c0", kill_on_drop: false }`
[INFO] [stdout] cbe43662eeb4536c0e21372dde567ec1f36fa9455342fc98ba984c8a371be1c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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] 7e313d5f3450521632ef892cb5d4fa2f7390dba84f045580c8788f386a997df1
[INFO] running `Command { std: "docker" "start" "-a" "7e313d5f3450521632ef892cb5d4fa2f7390dba84f045580c8788f386a997df1", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/readwrite-92df08b431100b45)
[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 readwrite
[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" "7e313d5f3450521632ef892cb5d4fa2f7390dba84f045580c8788f386a997df1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e313d5f3450521632ef892cb5d4fa2f7390dba84f045580c8788f386a997df1", kill_on_drop: false }`
[INFO] [stdout] 7e313d5f3450521632ef892cb5d4fa2f7390dba84f045580c8788f386a997df1
