[INFO] fetching crate heatseeker 1.7.1...
[INFO] checking heatseeker-1.7.1 against master#4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 for pr-81174
[INFO] extracting crate heatseeker 1.7.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate heatseeker 1.7.1 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 heatseeker 1.7.1
[INFO] finished tweaking crates.io crate heatseeker 1.7.1
[INFO] tweaked toml for crates.io crate heatseeker 1.7.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate heatseeker 1.7.1 already has a lockfile, it will not be regenerated
[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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] ed96d4c4c4de7d988b6b6c344271012a3119dae3fa6ed62039ecca601bdc7979
[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" "ed96d4c4c4de7d988b6b6c344271012a3119dae3fa6ed62039ecca601bdc7979", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed96d4c4c4de7d988b6b6c344271012a3119dae3fa6ed62039ecca601bdc7979", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed96d4c4c4de7d988b6b6c344271012a3119dae3fa6ed62039ecca601bdc7979", kill_on_drop: false }`
[INFO] [stdout] ed96d4c4c4de7d988b6b6c344271012a3119dae3fa6ed62039ecca601bdc7979
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 2ae43cc8f71f891d2a8581453aecb5fd35e0b2e03ab524643a1d319977f012bf
[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" "2ae43cc8f71f891d2a8581453aecb5fd35e0b2e03ab524643a1d319977f012bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking arc-swap v0.4.3
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling memoffset v0.5.2
[INFO] [stderr]     Checking signal-hook-registry v1.1.1
[INFO] [stderr]     Checking num_cpus v1.11.0
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]     Checking signal-hook v0.1.11
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]    Compiling heatseeker v1.7.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking crossbeam v0.7.2
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.18s
[INFO] running `Command { std: "docker" "inspect" "2ae43cc8f71f891d2a8581453aecb5fd35e0b2e03ab524643a1d319977f012bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ae43cc8f71f891d2a8581453aecb5fd35e0b2e03ab524643a1d319977f012bf", kill_on_drop: false }`
[INFO] [stdout] 2ae43cc8f71f891d2a8581453aecb5fd35e0b2e03ab524643a1d319977f012bf