[INFO] fetching crate criterion-perf-events 0.1.1...
[INFO] checking criterion-perf-events-0.1.1 against master#4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 for pr-81174
[INFO] extracting crate criterion-perf-events 0.1.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate criterion-perf-events 0.1.1 on toolchain 4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate criterion-perf-events 0.1.1
[INFO] finished tweaking crates.io crate criterion-perf-events 0.1.1
[INFO] tweaked toml for crates.io crate criterion-perf-events 0.1.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f2e199ea91424b38333462b0b0bb26a7e1e3e307a26eba97015f2292bcdf105c
[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" "f2e199ea91424b38333462b0b0bb26a7e1e3e307a26eba97015f2292bcdf105c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f2e199ea91424b38333462b0b0bb26a7e1e3e307a26eba97015f2292bcdf105c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2e199ea91424b38333462b0b0bb26a7e1e3e307a26eba97015f2292bcdf105c", kill_on_drop: false }`
[INFO] [stdout] f2e199ea91424b38333462b0b0bb26a7e1e3e307a26eba97015f2292bcdf105c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 330075f44f918406ec1ccf029efc69679bbd10f2493a3169a8e5872684bfc5af
[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" "330075f44f918406ec1ccf029efc69679bbd10f2493a3169a8e5872684bfc5af", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling byteorder v1.4.2
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]     Checking siphasher v0.3.3
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking libc v0.1.12
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling raw-cpuid v8.0.0
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking phf v0.7.24
[INFO] [stderr]     Checking phf_shared v0.8.0
[INFO] [stderr]     Checking mmap v0.1.1
[INFO] [stderr]     Checking phf v0.8.0
[INFO] [stderr]     Checking bstr v0.2.14
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking csv v1.1.5
[INFO] [stderr]     Checking criterion v0.3.4
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling x86 v0.33.0
[INFO] [stderr]     Checking perfcnt v0.5.1
[INFO] [stderr]     Checking criterion-perf-events v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 14s
[INFO] running `Command { std: "docker" "inspect" "330075f44f918406ec1ccf029efc69679bbd10f2493a3169a8e5872684bfc5af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "330075f44f918406ec1ccf029efc69679bbd10f2493a3169a8e5872684bfc5af", kill_on_drop: false }`
[INFO] [stdout] 330075f44f918406ec1ccf029efc69679bbd10f2493a3169a8e5872684bfc5af