[INFO] fetching crate cardio 0.1.2...
[INFO] testing cardio-0.1.2 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate cardio 0.1.2 into /workspace/builds/worker-94/source
[INFO] validating manifest of crates.io crate cardio 0.1.2 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cardio 0.1.2
[INFO] finished tweaking crates.io crate cardio 0.1.2
[INFO] tweaked toml for crates.io crate cardio 0.1.2 written to /workspace/builds/worker-94/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b0d2fdea86e46f61488e5004a6579b28f307329e277c779abfff9e4e9b3fc5f0
[INFO] running `Command { std: "docker" "start" "-a" "b0d2fdea86e46f61488e5004a6579b28f307329e277c779abfff9e4e9b3fc5f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b0d2fdea86e46f61488e5004a6579b28f307329e277c779abfff9e4e9b3fc5f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0d2fdea86e46f61488e5004a6579b28f307329e277c779abfff9e4e9b3fc5f0", kill_on_drop: false }`
[INFO] [stdout] b0d2fdea86e46f61488e5004a6579b28f307329e277c779abfff9e4e9b3fc5f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ae0cefd3747f58989778891a5e580822d61f8573908c8a2ac49233a68ad5c150
[INFO] running `Command { std: "docker" "start" "-a" "ae0cefd3747f58989778891a5e580822d61f8573908c8a2ac49233a68ad5c150", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling cardio v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.72s
[INFO] running `Command { std: "docker" "inspect" "ae0cefd3747f58989778891a5e580822d61f8573908c8a2ac49233a68ad5c150", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae0cefd3747f58989778891a5e580822d61f8573908c8a2ac49233a68ad5c150", kill_on_drop: false }`
[INFO] [stdout] ae0cefd3747f58989778891a5e580822d61f8573908c8a2ac49233a68ad5c150
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2da47cc692527f2a6c4f61410dc6f4b0be26334713bd513efa4593e9bccfb01a
[INFO] running `Command { std: "docker" "start" "-a" "2da47cc692527f2a6c4f61410dc6f4b0be26334713bd513efa4593e9bccfb01a", kill_on_drop: false }`
[INFO] [stderr]    Compiling cardio v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.04s
[INFO] running `Command { std: "docker" "inspect" "2da47cc692527f2a6c4f61410dc6f4b0be26334713bd513efa4593e9bccfb01a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2da47cc692527f2a6c4f61410dc6f4b0be26334713bd513efa4593e9bccfb01a", kill_on_drop: false }`
[INFO] [stdout] 2da47cc692527f2a6c4f61410dc6f4b0be26334713bd513efa4593e9bccfb01a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] da7a5f3f524532f6ad8d8acf9b40a9a374d055e5cb6b07515d1657f0ab81fe79
[INFO] running `Command { std: "docker" "start" "-a" "da7a5f3f524532f6ad8d8acf9b40a9a374d055e5cb6b07515d1657f0ab81fe79", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.45s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cardio-d8ae2a8705c9ea7c)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::test_duration ... ok
[INFO] [stdout] test tests::test_split ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cardio-2a125035a5f65628)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests cardio
[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 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" "da7a5f3f524532f6ad8d8acf9b40a9a374d055e5cb6b07515d1657f0ab81fe79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da7a5f3f524532f6ad8d8acf9b40a9a374d055e5cb6b07515d1657f0ab81fe79", kill_on_drop: false }`
[INFO] [stdout] da7a5f3f524532f6ad8d8acf9b40a9a374d055e5cb6b07515d1657f0ab81fe79