[INFO] cloning repository https://github.com/jix/sortnetopt-gnp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jix/sortnetopt-gnp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjix%2Fsortnetopt-gnp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjix%2Fsortnetopt-gnp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e40933e45c981003d13e3a9134dfa31d26b2099f
[INFO] checking jix/sortnetopt-gnp against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjix%2Fsortnetopt-gnp" "/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/jix/sortnetopt-gnp on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jix/sortnetopt-gnp
[INFO] finished tweaking git repo https://github.com/jix/sortnetopt-gnp
[INFO] tweaked toml for git repo https://github.com/jix/sortnetopt-gnp written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/jix/sortnetopt-gnp already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "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-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" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "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] d7cc000f05dbcb9d1faeb20f5ff41be5c81fd8d6f7e8758183b4a641c7d2696a
[INFO] running `Command { std: "docker" "start" "-a" "d7cc000f05dbcb9d1faeb20f5ff41be5c81fd8d6f7e8758183b4a641c7d2696a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d7cc000f05dbcb9d1faeb20f5ff41be5c81fd8d6f7e8758183b4a641c7d2696a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7cc000f05dbcb9d1faeb20f5ff41be5c81fd8d6f7e8758183b4a641c7d2696a", kill_on_drop: false }`
[INFO] [stdout] d7cc000f05dbcb9d1faeb20f5ff41be5c81fd8d6f7e8758183b4a641c7d2696a
[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" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a0d0c1b33ab9cb23354794957a8699fad6cd69f386630d47126a5e1d047d5bcf
[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" "a0d0c1b33ab9cb23354794957a8699fad6cd69f386630d47126a5e1d047d5bcf", kill_on_drop: false }`
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]    Compiling fs_extra v1.1.0
[INFO] [stderr]    Compiling syn v0.15.43
[INFO] [stderr]    Compiling unicode-segmentation v1.3.0
[INFO] [stderr]    Compiling rayon-core v1.5.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking termcolor v1.0.5
[INFO] [stderr]     Checking lock_api v0.3.1
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]     Checking humantime v1.2.0
[INFO] [stderr]     Checking termios v0.3.1
[INFO] [stderr]     Checking clicolors-control v1.0.0
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking number_prefix v0.2.8
[INFO] [stderr]     Checking backtrace v0.3.34
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling jemalloc-sys v0.3.2
[INFO] [stderr]     Checking console v0.7.7
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking better-panic v0.1.2
[INFO] [stderr]     Checking indicatif v0.11.0
[INFO] [stderr]     Checking crossbeam-deque v0.6.3
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking crossbeam v0.7.2
[INFO] [stderr]     Checking rayon v1.1.0
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]     Checking jemallocator v0.3.2
[INFO] [stderr]     Checking sortnetopt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 32s
[INFO] running `Command { std: "docker" "inspect" "a0d0c1b33ab9cb23354794957a8699fad6cd69f386630d47126a5e1d047d5bcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0d0c1b33ab9cb23354794957a8699fad6cd69f386630d47126a5e1d047d5bcf", kill_on_drop: false }`
[INFO] [stdout] a0d0c1b33ab9cb23354794957a8699fad6cd69f386630d47126a5e1d047d5bcf