[INFO] cloning repository https://github.com/fitzgen/bumpalo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fitzgen/bumpalo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffitzgen%2Fbumpalo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffitzgen%2Fbumpalo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a1f663217f93b79b25c9580db33c54e19d022e9e
[INFO] checking fitzgen/bumpalo against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffitzgen%2Fbumpalo" "/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/fitzgen/bumpalo on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/fitzgen/bumpalo
[INFO] removed 0 missing tests
[INFO] finished tweaking git repo https://github.com/fitzgen/bumpalo
[INFO] tweaked toml for git repo https://github.com/fitzgen/bumpalo written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/fitzgen/bumpalo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 86ddcd3d05d7d7a373e5d654b80dd273fb3d5e4ec5438618761e866d3b735b52
[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" "86ddcd3d05d7d7a373e5d654b80dd273fb3d5e4ec5438618761e866d3b735b52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86ddcd3d05d7d7a373e5d654b80dd273fb3d5e4ec5438618761e866d3b735b52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86ddcd3d05d7d7a373e5d654b80dd273fb3d5e4ec5438618761e866d3b735b52", kill_on_drop: false }`
[INFO] [stdout] 86ddcd3d05d7d7a373e5d654b80dd273fb3d5e4ec5438618761e866d3b735b52
[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" "+beta" "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] 0f1c55ea9e0810f3bae94c0c9c860864a7a2e78745d7def55f83af61b713fa2f
[INFO] running `Command { std: "docker" "start" "-a" "0f1c55ea9e0810f3bae94c0c9c860864a7a2e78745d7def55f83af61b713fa2f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling syn v1.0.7
[INFO] [stderr]     Checking bumpalo v3.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking itertools v0.8.1
[INFO] [stderr]     Checking num_cpus v1.11.0
[INFO] [stderr]     Checking getrandom v0.1.13
[INFO] [stderr]    Compiling memoffset v0.5.2
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking tinytemplate v1.0.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand_xoshiro v0.3.1
[INFO] [stderr]     Checking rand_os v0.2.2
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking csv-core v0.1.6
[INFO] [stderr]     Checking bstr v0.2.8
[INFO] [stderr]     Checking rayon-core v1.6.0
[INFO] [stderr]     Checking criterion-plot v0.4.0
[INFO] [stderr]     Checking rayon v1.2.0
[INFO] [stderr]     Checking csv v1.1.1
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking quickcheck v0.9.0
[INFO] [stderr]    Compiling serde_derive v1.0.102
[INFO] [stderr]     Checking criterion v0.3.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.82s
[INFO] running `Command { std: "docker" "inspect" "0f1c55ea9e0810f3bae94c0c9c860864a7a2e78745d7def55f83af61b713fa2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f1c55ea9e0810f3bae94c0c9c860864a7a2e78745d7def55f83af61b713fa2f", kill_on_drop: false }`
[INFO] [stdout] 0f1c55ea9e0810f3bae94c0c9c860864a7a2e78745d7def55f83af61b713fa2f