[INFO] cloning repository https://github.com/saf/completers
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/saf/completers" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsaf%2Fcompleters", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsaf%2Fcompleters'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dc5d5db088ce1b586cfe1f40bd1f9a83972834a8
[INFO] checking saf/completers against try#169954edd744527414c631e9af1bbdc537b0cdf2 for pr-75192
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsaf%2Fcompleters" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/saf/completers on toolchain 169954edd744527414c631e9af1bbdc537b0cdf2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+169954edd744527414c631e9af1bbdc537b0cdf2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/saf/completers
[INFO] finished tweaking git repo https://github.com/saf/completers
[INFO] tweaked toml for git repo https://github.com/saf/completers written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/saf/completers already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+169954edd744527414c631e9af1bbdc537b0cdf2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded atty v0.2.2
[INFO] [stderr]   Downloaded array2d v0.2.1
[INFO] [stderr]   Downloaded term v0.5.1
[INFO] [stderr]   Downloaded cfg-if v0.1.3
[INFO] [stderr]   Downloaded termios v0.2.2
[INFO] [stderr]   Downloaded chrono v0.4.7
[INFO] [stderr]   Downloaded byteorder v1.2.3
[INFO] [stderr]   Downloaded term_size v0.3.1
[INFO] [stderr]   Downloaded bitflags v0.8.2
[INFO] [stderr]   Downloaded termion v1.3.0
[INFO] [stderr]   Downloaded term_cursor v0.2.1
[INFO] [stderr]   Downloaded simplelog v0.5.2
[INFO] [stderr]   Downloaded itertools v0.6.0
[INFO] [stderr]   Downloaded clap v2.24.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+169954edd744527414c631e9af1bbdc537b0cdf2" "metadata" "--no-deps" "--format-version=1", 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] 11d783472591c89e5d84bdb7c6dda70b363ee69d5b87c07c55fa60e34d6ac3ff
[INFO] running `Command { std: "docker" "start" "-a" "11d783472591c89e5d84bdb7c6dda70b363ee69d5b87c07c55fa60e34d6ac3ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "11d783472591c89e5d84bdb7c6dda70b363ee69d5b87c07c55fa60e34d6ac3ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11d783472591c89e5d84bdb7c6dda70b363ee69d5b87c07c55fa60e34d6ac3ff", kill_on_drop: false }`
[INFO] [stdout] 11d783472591c89e5d84bdb7c6dda70b363ee69d5b87c07c55fa60e34d6ac3ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=forbid" "-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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+169954edd744527414c631e9af1bbdc537b0cdf2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c9f3edd695e6c8ce674bb0d60d4a8148a9efefea05d573a0797eeabb3a72930
[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" "3c9f3edd695e6c8ce674bb0d60d4a8148a9efefea05d573a0797eeabb3a72930", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.23
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]     Checking cfg-if v0.1.3
[INFO] [stderr]     Checking bitflags v0.8.2
[INFO] [stderr]     Checking array2d v0.2.1
[INFO] [stderr]     Checking term v0.5.1
[INFO] [stderr]     Checking itertools v0.6.0
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]     Checking term_size v0.3.1
[INFO] [stderr]     Checking termios v0.3.1
[INFO] [stderr]     Checking atty v0.2.2
[INFO] [stderr]     Checking termios v0.2.2
[INFO] [stderr]     Checking termion v1.3.0
[INFO] [stderr]     Checking clap v2.24.2
[INFO] [stderr]     Checking term_cursor v0.2.1
[INFO] [stderr]     Checking chrono v0.4.7
[INFO] [stderr]     Checking simplelog v0.5.2
[INFO] [stderr]     Checking completers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.23s
[INFO] running `Command { std: "docker" "inspect" "3c9f3edd695e6c8ce674bb0d60d4a8148a9efefea05d573a0797eeabb3a72930", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c9f3edd695e6c8ce674bb0d60d4a8148a9efefea05d573a0797eeabb3a72930", kill_on_drop: false }`
[INFO] [stdout] 3c9f3edd695e6c8ce674bb0d60d4a8148a9efefea05d573a0797eeabb3a72930