[INFO] fetching crate grub-bootimage 0.5.2...
[INFO] checking grub-bootimage-0.5.2 against master#7f5a42b073dc2bee2aa625052eb066ee07072048 for pr-78991
[INFO] extracting crate grub-bootimage 0.5.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate grub-bootimage 0.5.2 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 grub-bootimage 0.5.2
[INFO] finished tweaking crates.io crate grub-bootimage 0.5.2
[INFO] tweaked toml for crates.io crate grub-bootimage 0.5.2 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate grub-bootimage 0.5.2 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] [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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1068eb40b5f0d1699f9965dd5f38628dc0e5436218de1273a8cde5b5d467fdb3
[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" "1068eb40b5f0d1699f9965dd5f38628dc0e5436218de1273a8cde5b5d467fdb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1068eb40b5f0d1699f9965dd5f38628dc0e5436218de1273a8cde5b5d467fdb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1068eb40b5f0d1699f9965dd5f38628dc0e5436218de1273a8cde5b5d467fdb3", kill_on_drop: false }`
[INFO] [stdout] 1068eb40b5f0d1699f9965dd5f38628dc0e5436218de1273a8cde5b5d467fdb3
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 27d719d0d79cd85af5ed4f8ccc93f7393585dc524ba071fc2743c8f087823141
[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" "27d719d0d79cd85af5ed4f8ccc93f7393585dc524ba071fc2743c8f087823141", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.44
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking semver v0.10.0
[INFO] [stderr]     Checking toml v0.5.7
[INFO] [stderr]     Checking cargo_metadata v0.11.4
[INFO] [stderr]     Checking grub-bootimage v0.5.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 43.64s
[INFO] running `Command { std: "docker" "inspect" "27d719d0d79cd85af5ed4f8ccc93f7393585dc524ba071fc2743c8f087823141", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27d719d0d79cd85af5ed4f8ccc93f7393585dc524ba071fc2743c8f087823141", kill_on_drop: false }`
[INFO] [stdout] 27d719d0d79cd85af5ed4f8ccc93f7393585dc524ba071fc2743c8f087823141