[INFO] fetching crate mittens 0.1.0...
[INFO] testing mittens-0.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate mittens 0.1.0 into /workspace/builds/worker-102/source
[INFO] validating manifest of crates.io crate mittens 0.1.0 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 mittens 0.1.0
[INFO] finished tweaking crates.io crate mittens 0.1.0
[INFO] tweaked toml for crates.io crate mittens 0.1.0 written to /workspace/builds/worker-102/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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] 47d06ae39f8ecd415e8c74c90fe0a07ef5b6f94c50eb02a86dd1e2d8f4a5bf04
[INFO] running `Command { std: "docker" "start" "-a" "47d06ae39f8ecd415e8c74c90fe0a07ef5b6f94c50eb02a86dd1e2d8f4a5bf04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47d06ae39f8ecd415e8c74c90fe0a07ef5b6f94c50eb02a86dd1e2d8f4a5bf04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47d06ae39f8ecd415e8c74c90fe0a07ef5b6f94c50eb02a86dd1e2d8f4a5bf04", kill_on_drop: false }`
[INFO] [stdout] 47d06ae39f8ecd415e8c74c90fe0a07ef5b6f94c50eb02a86dd1e2d8f4a5bf04
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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] 77e6fe4b75c287c1c7eebc646bcc2a9d633c4681f4e5732b45d8f3557d74af13
[INFO] running `Command { std: "docker" "start" "-a" "77e6fe4b75c287c1c7eebc646bcc2a9d633c4681f4e5732b45d8f3557d74af13", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling mittens v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.47s
[INFO] running `Command { std: "docker" "inspect" "77e6fe4b75c287c1c7eebc646bcc2a9d633c4681f4e5732b45d8f3557d74af13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77e6fe4b75c287c1c7eebc646bcc2a9d633c4681f4e5732b45d8f3557d74af13", kill_on_drop: false }`
[INFO] [stdout] 77e6fe4b75c287c1c7eebc646bcc2a9d633c4681f4e5732b45d8f3557d74af13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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] 501d0b89b3cb75d36d10be439883cdb25e8186714155e5e30822e969b5cddd36
[INFO] running `Command { std: "docker" "start" "-a" "501d0b89b3cb75d36d10be439883cdb25e8186714155e5e30822e969b5cddd36", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling mittens v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.57s
[INFO] running `Command { std: "docker" "inspect" "501d0b89b3cb75d36d10be439883cdb25e8186714155e5e30822e969b5cddd36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "501d0b89b3cb75d36d10be439883cdb25e8186714155e5e30822e969b5cddd36", kill_on_drop: false }`
[INFO] [stdout] 501d0b89b3cb75d36d10be439883cdb25e8186714155e5e30822e969b5cddd36
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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] bb32b2a5b7e1387bff7ba4c6dafcb19b81c415cb357c348079258f8b19fbd093
[INFO] running `Command { std: "docker" "start" "-a" "bb32b2a5b7e1387bff7ba4c6dafcb19b81c415cb357c348079258f8b19fbd093", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mittens-3084c37183970d36)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mittens
[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" "bb32b2a5b7e1387bff7ba4c6dafcb19b81c415cb357c348079258f8b19fbd093", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb32b2a5b7e1387bff7ba4c6dafcb19b81c415cb357c348079258f8b19fbd093", kill_on_drop: false }`
[INFO] [stdout] bb32b2a5b7e1387bff7ba4c6dafcb19b81c415cb357c348079258f8b19fbd093