[INFO] fetching crate herbert 0.2.1...
[INFO] checking herbert-0.2.1 against master#7f5a42b073dc2bee2aa625052eb066ee07072048 for pr-78991
[INFO] extracting crate herbert 0.2.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate herbert 0.2.1 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 crates.io crate herbert 0.2.1
[INFO] finished tweaking crates.io crate herbert 0.2.1
[INFO] tweaked toml for crates.io crate herbert 0.2.1 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate herbert 0.2.1 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] 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" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 17fe42c79aa29ad69fa7c62e1913af9ebfd858ae8450d9d55fd7f33ddffadfaf
[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" "17fe42c79aa29ad69fa7c62e1913af9ebfd858ae8450d9d55fd7f33ddffadfaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "17fe42c79aa29ad69fa7c62e1913af9ebfd858ae8450d9d55fd7f33ddffadfaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17fe42c79aa29ad69fa7c62e1913af9ebfd858ae8450d9d55fd7f33ddffadfaf", kill_on_drop: false }`
[INFO] [stdout] 17fe42c79aa29ad69fa7c62e1913af9ebfd858ae8450d9d55fd7f33ddffadfaf
[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" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab09244fa9f6fc1519e2e992c6cd8e06ad0c9c70595948267788113415ea003f
[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" "ab09244fa9f6fc1519e2e992c6cd8e06ad0c9c70595948267788113415ea003f", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]     Checking crossbeam-channel v0.4.2
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking herbert v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]     Checking fern v0.5.9
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.96s
[INFO] running `Command { std: "docker" "inspect" "ab09244fa9f6fc1519e2e992c6cd8e06ad0c9c70595948267788113415ea003f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab09244fa9f6fc1519e2e992c6cd8e06ad0c9c70595948267788113415ea003f", kill_on_drop: false }`
[INFO] [stdout] ab09244fa9f6fc1519e2e992c6cd8e06ad0c9c70595948267788113415ea003f