[INFO] fetching crate nvle 0.1.0...
[INFO] checking nvle-0.1.0 against master#836c31742687ba4e2f857b5b698e1e9e6b67619c for pr-81789
[INFO] extracting crate nvle 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate nvle 0.1.0 on toolchain 836c31742687ba4e2f857b5b698e1e9e6b67619c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nvle 0.1.0
[INFO] finished tweaking crates.io crate nvle 0.1.0
[INFO] tweaked toml for crates.io crate nvle 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "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-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" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4d1d84fd0a79f6435dbf36122de48f50d54230ac91bdd18e9f2944d6c07ae03c
[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" "4d1d84fd0a79f6435dbf36122de48f50d54230ac91bdd18e9f2944d6c07ae03c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4d1d84fd0a79f6435dbf36122de48f50d54230ac91bdd18e9f2944d6c07ae03c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d1d84fd0a79f6435dbf36122de48f50d54230ac91bdd18e9f2944d6c07ae03c", kill_on_drop: false }`
[INFO] [stdout] 4d1d84fd0a79f6435dbf36122de48f50d54230ac91bdd18e9f2944d6c07ae03c
[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" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c7bd7b9079a080dcf5db195e72b44abc51444bcfcabed0ca6ea0c7775c4bb87a
[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" "c7bd7b9079a080dcf5db195e72b44abc51444bcfcabed0ca6ea0c7775c4bb87a", kill_on_drop: false }`
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]     Checking serde_bytes v0.11.5
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking unix_socket v0.5.0
[INFO] [stderr]     Checking rmp v0.8.10
[INFO] [stderr]     Checking rmpv v0.4.7
[INFO] [stderr]     Checking neovim-lib v0.6.1
[INFO] [stderr]     Checking nvle v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.26s
[INFO] running `Command { std: "docker" "inspect" "c7bd7b9079a080dcf5db195e72b44abc51444bcfcabed0ca6ea0c7775c4bb87a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7bd7b9079a080dcf5db195e72b44abc51444bcfcabed0ca6ea0c7775c4bb87a", kill_on_drop: false }`
[INFO] [stdout] c7bd7b9079a080dcf5db195e72b44abc51444bcfcabed0ca6ea0c7775c4bb87a