[INFO] fetching crate irust_api 0.18.0...
[INFO] checking irust_api-0.18.0 against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] extracting crate irust_api 0.18.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate irust_api 0.18.0 on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate irust_api 0.18.0
[INFO] finished tweaking crates.io crate irust_api 0.18.0
[INFO] tweaked toml for crates.io crate irust_api 0.18.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3cc0c66419b8a8b2ae9ecb7c778979505ae3261f450883f720699537ccb8ad11
[INFO] running `Command { std: "docker" "start" "-a" "3cc0c66419b8a8b2ae9ecb7c778979505ae3261f450883f720699537ccb8ad11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3cc0c66419b8a8b2ae9ecb7c778979505ae3261f450883f720699537ccb8ad11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cc0c66419b8a8b2ae9ecb7c778979505ae3261f450883f720699537ccb8ad11", kill_on_drop: false }`
[INFO] [stdout] 3cc0c66419b8a8b2ae9ecb7c778979505ae3261f450883f720699537ccb8ad11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 537077d00d52e9410dbb5c01775986c23f34594fad11dc276a0b2cf70c2dd357
[INFO] running `Command { std: "docker" "start" "-a" "537077d00d52e9410dbb5c01775986c23f34594fad11dc276a0b2cf70c2dd357", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling semver v1.0.3
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]     Checking signal-hook v0.3.9
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking signal-hook-mio v0.2.1
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking crossterm v0.20.0
[INFO] [stderr]     Checking rscript v0.8.0
[INFO] [stderr]     Checking irust_api v0.18.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.04s
[INFO] running `Command { std: "docker" "inspect" "537077d00d52e9410dbb5c01775986c23f34594fad11dc276a0b2cf70c2dd357", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "537077d00d52e9410dbb5c01775986c23f34594fad11dc276a0b2cf70c2dd357", kill_on_drop: false }`
[INFO] [stdout] 537077d00d52e9410dbb5c01775986c23f34594fad11dc276a0b2cf70c2dd357