[INFO] cloning repository https://github.com/cdelmas/kata_rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cdelmas/kata_rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcdelmas%2Fkata_rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcdelmas%2Fkata_rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 35e157a65cd5d8356a5471d34f7deb7d2fbda9e8
[INFO] checking cdelmas/kata_rs against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcdelmas%2Fkata_rs" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cdelmas/kata_rs on toolchain 6f8a6450478f69b8510c8976ab6c2a70b3b0e47c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cdelmas/kata_rs
[INFO] finished tweaking git repo https://github.com/cdelmas/kata_rs
[INFO] tweaked toml for git repo https://github.com/cdelmas/kata_rs written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/cdelmas/kata_rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lazy_static v1.0.1
[INFO] [stderr]   Downloaded atty v0.2.10
[INFO] [stderr]   Downloaded num-traits v0.2.4
[INFO] [stderr]   Downloaded env_logger v0.5.10
[INFO] [stderr]   Downloaded num-integer v0.1.38
[INFO] [stderr]   Downloaded regex v1.0.0
[INFO] [stderr]   Downloaded log v0.4.2
[INFO] [stderr]   Downloaded chrono v0.4.3
[INFO] [stderr]   Downloaded cfg-if v0.1.3
[INFO] [stderr]   Downloaded libc v0.2.42
[INFO] [stderr]   Downloaded regex-syntax v0.6.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 108f451cf594fec0d5178cbf05f2ef38ccdd84ad29e7f15ab8a4a953d6a33b25
[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" "108f451cf594fec0d5178cbf05f2ef38ccdd84ad29e7f15ab8a4a953d6a33b25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "108f451cf594fec0d5178cbf05f2ef38ccdd84ad29e7f15ab8a4a953d6a33b25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "108f451cf594fec0d5178cbf05f2ef38ccdd84ad29e7f15ab8a4a953d6a33b25", kill_on_drop: false }`
[INFO] [stdout] 108f451cf594fec0d5178cbf05f2ef38ccdd84ad29e7f15ab8a4a953d6a33b25
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "check" "--frozen" "--all" "--all-targets" "--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] 32c81171da2c7cf0561b26de8b76d6f13681b56f9caeb338d6c1e06c0510fc13
[INFO] running `Command { std: "docker" "start" "-a" "32c81171da2c7cf0561b26de8b76d6f13681b56f9caeb338d6c1e06c0510fc13", kill_on_drop: false }`
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling num-traits v0.2.4
[INFO] [stderr]     Checking ucd-util v0.1.1
[INFO] [stderr]    Compiling regex v1.0.0
[INFO] [stderr]    Compiling num-integer v0.1.38
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking utf8-ranges v1.0.0
[INFO] [stderr]     Checking termcolor v0.3.6
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking atty v0.2.10
[INFO] [stderr]     Checking log v0.4.2
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking humantime v1.1.1
[INFO] [stderr]     Checking aho-corasick v0.6.4
[INFO] [stderr]     Checking regex-syntax v0.6.1
[INFO] [stderr]     Checking thread_local v0.3.5
[INFO] [stderr]     Checking chrono v0.4.3
[INFO] [stderr]     Checking env_logger v0.5.10
[INFO] [stderr]     Checking kata_rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.09s
[INFO] running `Command { std: "docker" "inspect" "32c81171da2c7cf0561b26de8b76d6f13681b56f9caeb338d6c1e06c0510fc13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32c81171da2c7cf0561b26de8b76d6f13681b56f9caeb338d6c1e06c0510fc13", kill_on_drop: false }`
[INFO] [stdout] 32c81171da2c7cf0561b26de8b76d6f13681b56f9caeb338d6c1e06c0510fc13