[INFO] cloning repository https://github.com/derekmorr/fasta-sort
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/derekmorr/fasta-sort" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fderekmorr%2Ffasta-sort", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fderekmorr%2Ffasta-sort'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d7521e74b4eff4cd58dc53316817d20320fda992
[INFO] checking derekmorr/fasta-sort against master#50e1dc1536264ab71c0850f346b12309477f29f7 for pr-85073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fderekmorr%2Ffasta-sort" "/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/derekmorr/fasta-sort on toolchain 50e1dc1536264ab71c0850f346b12309477f29f7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/derekmorr/fasta-sort
[INFO] finished tweaking git repo https://github.com/derekmorr/fasta-sort
[INFO] tweaked toml for git repo https://github.com/derekmorr/fasta-sort written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/derekmorr/fasta-sort already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "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] e141328e301862f0a5ddcffc784c4d43309e5f2729570593012a15965e616656
[INFO] running `Command { std: "docker" "start" "-a" "e141328e301862f0a5ddcffc784c4d43309e5f2729570593012a15965e616656", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e141328e301862f0a5ddcffc784c4d43309e5f2729570593012a15965e616656", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e141328e301862f0a5ddcffc784c4d43309e5f2729570593012a15965e616656", kill_on_drop: false }`
[INFO] [stdout] e141328e301862f0a5ddcffc784c4d43309e5f2729570593012a15965e616656
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3df644c1e1fd4d21a8a1eeb18815e09deffa5d85023f789092fd6b36ae499a4c
[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" "3df644c1e1fd4d21a8a1eeb18815e09deffa5d85023f789092fd6b36ae499a4c", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.42
[INFO] [stderr]     Checking nodrop v0.1.12
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking lazy_static v1.0.1
[INFO] [stderr]    Compiling serde v1.0.69
[INFO] [stderr]     Checking crossbeam v0.3.2
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]     Checking arrayvec v0.4.7
[INFO] [stderr]    Compiling proc-macro2 v0.4.6
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling quote v0.6.3
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling syn v0.14.4
[INFO] [stderr]     Checking buf_redux v0.6.3
[INFO] [stderr]     Checking rayon-core v1.4.0
[INFO] [stderr]     Checking rayon v1.0.1
[INFO] [stderr]    Compiling serde_derive v1.0.69
[INFO] [stderr]     Checking seq_io v0.2.4
[INFO] [stderr]     Checking fasta-sort v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.70s
[INFO] running `Command { std: "docker" "inspect" "3df644c1e1fd4d21a8a1eeb18815e09deffa5d85023f789092fd6b36ae499a4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3df644c1e1fd4d21a8a1eeb18815e09deffa5d85023f789092fd6b36ae499a4c", kill_on_drop: false }`
[INFO] [stdout] 3df644c1e1fd4d21a8a1eeb18815e09deffa5d85023f789092fd6b36ae499a4c