[INFO] cloning repository https://github.com/Jeffail/jc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Jeffail/jc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJeffail%2Fjc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJeffail%2Fjc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 710379e1b25f908b980af5f2143ef07aacb3f2c6
[INFO] testing Jeffail/jc against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJeffail%2Fjc" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Jeffail/jc on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Jeffail/jc
[INFO] finished tweaking git repo https://github.com/Jeffail/jc
[INFO] tweaked toml for git repo https://github.com/Jeffail/jc written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/Jeffail/jc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ffaf2430764c5c41b63bfc6060f15d0d015d18c7c191d1894819bf91cce5b330
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ffaf2430764c5c41b63bfc6060f15d0d015d18c7c191d1894819bf91cce5b330", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ffaf2430764c5c41b63bfc6060f15d0d015d18c7c191d1894819bf91cce5b330", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffaf2430764c5c41b63bfc6060f15d0d015d18c7c191d1894819bf91cce5b330", kill_on_drop: false }`
[INFO] [stdout] ffaf2430764c5c41b63bfc6060f15d0d015d18c7c191d1894819bf91cce5b330
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4180b201e6e35b327c656532278b17120d8188c49c0609d090d860b187b1f511
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4180b201e6e35b327c656532278b17120d8188c49c0609d090d860b187b1f511", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.36
[INFO] [stderr]    Compiling bit-vec v0.4.4
[INFO] [stderr]    Compiling unicode-width v0.1.4
[INFO] [stderr]    Compiling ansi_term v0.10.2
[INFO] [stderr]    Compiling siphasher v0.1.3
[INFO] [stderr]    Compiling dtoa v0.4.2
[INFO] [stderr]    Compiling strsim v0.6.0
[INFO] [stderr]    Compiling itoa v0.3.4
[INFO] [stderr]    Compiling serde v1.0.27
[INFO] [stderr]    Compiling bitflags v1.0.1
[INFO] [stderr]    Compiling vec_map v0.8.0
[INFO] [stderr]    Compiling num-traits v0.1.41
[INFO] [stderr]    Compiling serde_derive_internals v0.19.0
[INFO] [stderr]    Compiling textwrap v0.9.0
[INFO] [stderr]    Compiling bit-set v0.4.0
[INFO] [stderr]    Compiling rand v0.3.20
[INFO] [stderr]    Compiling atty v0.2.6
[INFO] [stderr]    Compiling clap v2.29.2
[INFO] [stderr]    Compiling serde_derive v1.0.27
[INFO] [stderr]    Compiling chan v0.1.20
[INFO] [stderr]    Compiling hyperloglog v0.0.11
[INFO] [stderr]    Compiling chan-signal v0.3.1
[INFO] [stderr]    Compiling serde_json v1.0.9
[INFO] [stderr]    Compiling jc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.29s
[INFO] running `Command { std: "docker" "inspect" "4180b201e6e35b327c656532278b17120d8188c49c0609d090d860b187b1f511", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4180b201e6e35b327c656532278b17120d8188c49c0609d090d860b187b1f511", kill_on_drop: false }`
[INFO] [stdout] 4180b201e6e35b327c656532278b17120d8188c49c0609d090d860b187b1f511
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0b481a684709301af82fc9d6f33c85cfd7fc4d3c9f8a08b3e8f05af83a4fdfdb
[INFO] running `Command { std: "docker" "start" "-a" "0b481a684709301af82fc9d6f33c85cfd7fc4d3c9f8a08b3e8f05af83a4fdfdb", kill_on_drop: false }`
[INFO] [stderr]    Compiling jc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `Command { std: "docker" "inspect" "0b481a684709301af82fc9d6f33c85cfd7fc4d3c9f8a08b3e8f05af83a4fdfdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b481a684709301af82fc9d6f33c85cfd7fc4d3c9f8a08b3e8f05af83a4fdfdb", kill_on_drop: false }`
[INFO] [stdout] 0b481a684709301af82fc9d6f33c85cfd7fc4d3c9f8a08b3e8f05af83a4fdfdb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b099e149c42030d4f12d2817a933ad7f30a87495f4e4cd768e7aff9054cd272d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b099e149c42030d4f12d2817a933ad7f30a87495f4e4cd768e7aff9054cd272d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[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
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/jc-46d1580953af6ab3
[INFO] running `Command { std: "docker" "inspect" "b099e149c42030d4f12d2817a933ad7f30a87495f4e4cd768e7aff9054cd272d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b099e149c42030d4f12d2817a933ad7f30a87495f4e4cd768e7aff9054cd272d", kill_on_drop: false }`
[INFO] [stdout] b099e149c42030d4f12d2817a933ad7f30a87495f4e4cd768e7aff9054cd272d