[INFO] cloning repository https://github.com/stepchowfun/stem-cell
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/stepchowfun/stem-cell" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstepchowfun%2Fstem-cell", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstepchowfun%2Fstem-cell'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 40d0c5fde0457b5647ff35894d1cdb8f6c365325
[INFO] testing stepchowfun/stem-cell against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstepchowfun%2Fstem-cell" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/stepchowfun/stem-cell on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/stepchowfun/stem-cell
[INFO] finished tweaking git repo https://github.com/stepchowfun/stem-cell
[INFO] tweaked toml for git repo https://github.com/stepchowfun/stem-cell written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/stepchowfun/stem-cell already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5106dbae9d3e3a49ea24b39298fb435c52de8618003df9b59942ba743d5605de
[INFO] running `Command { std: "docker" "start" "-a" "5106dbae9d3e3a49ea24b39298fb435c52de8618003df9b59942ba743d5605de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5106dbae9d3e3a49ea24b39298fb435c52de8618003df9b59942ba743d5605de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5106dbae9d3e3a49ea24b39298fb435c52de8618003df9b59942ba743d5605de", kill_on_drop: false }`
[INFO] [stdout] 5106dbae9d3e3a49ea24b39298fb435c52de8618003df9b59942ba743d5605de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ed5c30b9b0b9ca32466ee1c538fdd9084ebaf60660e276a5c9ee242898d2f424
[INFO] running `Command { std: "docker" "start" "-a" "ed5c30b9b0b9ca32466ee1c538fdd9084ebaf60660e276a5c9ee242898d2f424", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling stem-cell v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.07s
[INFO] running `Command { std: "docker" "inspect" "ed5c30b9b0b9ca32466ee1c538fdd9084ebaf60660e276a5c9ee242898d2f424", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed5c30b9b0b9ca32466ee1c538fdd9084ebaf60660e276a5c9ee242898d2f424", kill_on_drop: false }`
[INFO] [stdout] ed5c30b9b0b9ca32466ee1c538fdd9084ebaf60660e276a5c9ee242898d2f424
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0cccd1989dce36968dccc817d6dd0109f7f7259f2dd5ca2af2d13ec41948d34b
[INFO] running `Command { std: "docker" "start" "-a" "0cccd1989dce36968dccc817d6dd0109f7f7259f2dd5ca2af2d13ec41948d34b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling stem-cell v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 28.98s
[INFO] running `Command { std: "docker" "inspect" "0cccd1989dce36968dccc817d6dd0109f7f7259f2dd5ca2af2d13ec41948d34b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0cccd1989dce36968dccc817d6dd0109f7f7259f2dd5ca2af2d13ec41948d34b", kill_on_drop: false }`
[INFO] [stdout] 0cccd1989dce36968dccc817d6dd0109f7f7259f2dd5ca2af2d13ec41948d34b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 155ded923f48858f68a9af9a8d8e799632e2dd1b56c1e069c5cae18b3bc5355d
[INFO] running `Command { std: "docker" "start" "-a" "155ded923f48858f68a9af9a8d8e799632e2dd1b56c1e069c5cae18b3bc5355d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.88s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/stem_cell-ba59c4f59fd1d68a)
[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" "155ded923f48858f68a9af9a8d8e799632e2dd1b56c1e069c5cae18b3bc5355d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "155ded923f48858f68a9af9a8d8e799632e2dd1b56c1e069c5cae18b3bc5355d", kill_on_drop: false }`
[INFO] [stdout] 155ded923f48858f68a9af9a8d8e799632e2dd1b56c1e069c5cae18b3bc5355d