[INFO] fetching crate if-watch 0.1.7...
[INFO] checking if-watch-0.1.7 against master#39b841dfe36f90a7cd111e7f0c55f32594f6e578 for pr-77035
[INFO] extracting crate if-watch 0.1.7 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate if-watch 0.1.7 on toolchain 39b841dfe36f90a7cd111e7f0c55f32594f6e578
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate if-watch 0.1.7
[INFO] finished tweaking crates.io crate if-watch 0.1.7
[INFO] tweaked toml for crates.io crate if-watch 0.1.7 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate if-watch 0.1.7 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fc11795f560c3f4eda8e4fdb1d894fb94125f4c3a4f4de1a7608d597d5aa556e
[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" "fc11795f560c3f4eda8e4fdb1d894fb94125f4c3a4f4de1a7608d597d5aa556e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc11795f560c3f4eda8e4fdb1d894fb94125f4c3a4f4de1a7608d597d5aa556e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc11795f560c3f4eda8e4fdb1d894fb94125f4c3a4f4de1a7608d597d5aa556e", kill_on_drop: false }`
[INFO] [stdout] fc11795f560c3f4eda8e4fdb1d894fb94125f4c3a4f4de1a7608d597d5aa556e
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e406a48f201ba5dc52cae96fdd0fe97bf575a69b61ac33c51c948763bbed09c4
[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" "e406a48f201ba5dc52cae96fdd0fe97bf575a69b61ac33c51c948763bbed09c4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking pin-project-lite v0.1.11
[INFO] [stderr]     Checking once_cell v1.5.1
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking ipnet v2.3.0
[INFO] [stderr]     Checking humantime v2.0.1
[INFO] [stderr]     Checking memchr v2.3.4
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking futures-lite v1.11.2
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking polling v2.0.2
[INFO] [stderr]     Checking nb-connect v1.0.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking async-io v1.3.0
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking if-watch v0.1.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking env_logger v0.8.2
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.79s
[INFO] running `Command { std: "docker" "inspect" "e406a48f201ba5dc52cae96fdd0fe97bf575a69b61ac33c51c948763bbed09c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e406a48f201ba5dc52cae96fdd0fe97bf575a69b61ac33c51c948763bbed09c4", kill_on_drop: false }`
[INFO] [stdout] e406a48f201ba5dc52cae96fdd0fe97bf575a69b61ac33c51c948763bbed09c4