[INFO] fetching crate balance 0.1.0...
[INFO] testing balance-0.1.0 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate balance 0.1.0 into /workspace/builds/worker-72/source
[INFO] validating manifest of crates.io crate balance 0.1.0 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 balance 0.1.0
[INFO] finished tweaking crates.io crate balance 0.1.0
[INFO] tweaked toml for crates.io crate balance 0.1.0 written to /workspace/builds/worker-72/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] 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-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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] bd603e61e1e3b071e828b90a57898ac7fa6c4f268ef36cfeecb12cde0aa910a2
[INFO] running `Command { std: "docker" "start" "-a" "bd603e61e1e3b071e828b90a57898ac7fa6c4f268ef36cfeecb12cde0aa910a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bd603e61e1e3b071e828b90a57898ac7fa6c4f268ef36cfeecb12cde0aa910a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd603e61e1e3b071e828b90a57898ac7fa6c4f268ef36cfeecb12cde0aa910a2", kill_on_drop: false }`
[INFO] [stdout] bd603e61e1e3b071e828b90a57898ac7fa6c4f268ef36cfeecb12cde0aa910a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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] 947263d094875fc224d972689b7487bdb742e10dd87d4735f422d7a41560d8dd
[INFO] running `Command { std: "docker" "start" "-a" "947263d094875fc224d972689b7487bdb742e10dd87d4735f422d7a41560d8dd", kill_on_drop: false }`
[INFO] [stderr]    Compiling balance v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "947263d094875fc224d972689b7487bdb742e10dd87d4735f422d7a41560d8dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "947263d094875fc224d972689b7487bdb742e10dd87d4735f422d7a41560d8dd", kill_on_drop: false }`
[INFO] [stdout] 947263d094875fc224d972689b7487bdb742e10dd87d4735f422d7a41560d8dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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] 999e65f5cc9511e3c9795f4ebcc386a8912fd9bf183ee226a71e8e4ee39510a9
[INFO] running `Command { std: "docker" "start" "-a" "999e65f5cc9511e3c9795f4ebcc386a8912fd9bf183ee226a71e8e4ee39510a9", kill_on_drop: false }`
[INFO] [stderr]    Compiling balance v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "999e65f5cc9511e3c9795f4ebcc386a8912fd9bf183ee226a71e8e4ee39510a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "999e65f5cc9511e3c9795f4ebcc386a8912fd9bf183ee226a71e8e4ee39510a9", kill_on_drop: false }`
[INFO] [stdout] 999e65f5cc9511e3c9795f4ebcc386a8912fd9bf183ee226a71e8e4ee39510a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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] 83900159db8a459788abcae7b9eed5e65f571bc0feeaf485a370ef1e85876723
[INFO] running `Command { std: "docker" "start" "-a" "83900159db8a459788abcae7b9eed5e65f571bc0feeaf485a370ef1e85876723", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.20s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/balance-afc8854ec7f09a74)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... 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] [stderr]    Doc-tests balance
[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" "83900159db8a459788abcae7b9eed5e65f571bc0feeaf485a370ef1e85876723", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83900159db8a459788abcae7b9eed5e65f571bc0feeaf485a370ef1e85876723", kill_on_drop: false }`
[INFO] [stdout] 83900159db8a459788abcae7b9eed5e65f571bc0feeaf485a370ef1e85876723
