[INFO] fetching crate pretok 0.1.0...
[INFO] checking pretok-0.1.0 against master#c919f490bbcd2b29b74016101f7ec71aaa24bdbb for pr-79073
[INFO] extracting crate pretok 0.1.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate pretok 0.1.0 on toolchain c919f490bbcd2b29b74016101f7ec71aaa24bdbb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pretok 0.1.0
[INFO] finished tweaking crates.io crate pretok 0.1.0
[INFO] tweaked toml for crates.io crate pretok 0.1.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4ebcf2914ee07e4f66a08a8c8c62248dc0b32a3940c2f6ae9a6f1079d7db579e
[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" "4ebcf2914ee07e4f66a08a8c8c62248dc0b32a3940c2f6ae9a6f1079d7db579e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ebcf2914ee07e4f66a08a8c8c62248dc0b32a3940c2f6ae9a6f1079d7db579e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ebcf2914ee07e4f66a08a8c8c62248dc0b32a3940c2f6ae9a6f1079d7db579e", kill_on_drop: false }`
[INFO] [stdout] 4ebcf2914ee07e4f66a08a8c8c62248dc0b32a3940c2f6ae9a6f1079d7db579e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c0993662adcaebd250a738bbb729ecc992eab519c07c54d19ce7062389c38aa3
[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" "c0993662adcaebd250a738bbb729ecc992eab519c07c54d19ce7062389c38aa3", 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]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking unicode-segmentation v0.1.2
[INFO] [stderr]     Checking predicates v1.0.5
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]    Compiling strcursor v0.2.5
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking pretok v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking assert_cmd v1.0.1
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.33s
[INFO] running `Command { std: "docker" "inspect" "c0993662adcaebd250a738bbb729ecc992eab519c07c54d19ce7062389c38aa3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0993662adcaebd250a738bbb729ecc992eab519c07c54d19ce7062389c38aa3", kill_on_drop: false }`
[INFO] [stdout] c0993662adcaebd250a738bbb729ecc992eab519c07c54d19ce7062389c38aa3