[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#7f5a42b073dc2bee2aa625052eb066ee07072048 for pr-78991 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fderekmorr%2Ffasta-sort" "/workspace/builds/worker-14/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/derekmorr/fasta-sort on toolchain 7f5a42b073dc2bee2aa625052eb066ee07072048 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "read-manifest" "--manifest-path" "Cargo.toml", 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-14/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" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ecc3dfd812c3ba1ca2f8e9af94d21dc953992bf320c2f2053cedd346ed75e4db [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" "ecc3dfd812c3ba1ca2f8e9af94d21dc953992bf320c2f2053cedd346ed75e4db", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ecc3dfd812c3ba1ca2f8e9af94d21dc953992bf320c2f2053cedd346ed75e4db", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ecc3dfd812c3ba1ca2f8e9af94d21dc953992bf320c2f2053cedd346ed75e4db", kill_on_drop: false }` [INFO] [stdout] ecc3dfd812c3ba1ca2f8e9af94d21dc953992bf320c2f2053cedd346ed75e4db [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9d81a2873a375296ce5e672833de3403948ca38a68d9790adae8a5a02d52cbe4 [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" "9d81a2873a375296ce5e672833de3403948ca38a68d9790adae8a5a02d52cbe4", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking cfg-if v0.1.4 [INFO] [stderr] Checking crossbeam v0.3.2 [INFO] [stderr] Checking memchr v1.0.2 [INFO] [stderr] Checking rand v0.4.2 [INFO] [stderr] Checking num_cpus v1.8.0 [INFO] [stderr] Checking serde v1.0.69 [INFO] [stderr] Compiling serde_derive v1.0.69 [INFO] [stderr] Checking crossbeam-utils v0.2.2 [INFO] [stderr] Checking buf_redux v0.6.3 [INFO] [stderr] Checking crossbeam-epoch v0.3.1 [INFO] [stderr] Checking crossbeam-deque v0.2.0 [INFO] [stderr] Checking rayon-core v1.4.0 [INFO] [stderr] Checking rayon v1.0.1 [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 25.44s [INFO] running `Command { std: "docker" "inspect" "9d81a2873a375296ce5e672833de3403948ca38a68d9790adae8a5a02d52cbe4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9d81a2873a375296ce5e672833de3403948ca38a68d9790adae8a5a02d52cbe4", kill_on_drop: false }` [INFO] [stdout] 9d81a2873a375296ce5e672833de3403948ca38a68d9790adae8a5a02d52cbe4