[INFO] updating cached repository https://github.com/allgreed/nix-manifest-format
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8c628a136d020593853b2360f4c99be52e5dcf58
[INFO] checking allgreed/nix-manifest-format against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fallgreed%2Fnix-manifest-format" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/allgreed/nix-manifest-format on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/allgreed/nix-manifest-format
[INFO] finished tweaking git repo https://github.com/allgreed/nix-manifest-format
[INFO] tweaked toml for git repo https://github.com/allgreed/nix-manifest-format written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/allgreed/nix-manifest-format already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d1cd8968f713a407af0060653e56bea735ee89a1ae7da3d49379bff883bf921a
[INFO] running `"docker" "start" "-a" "d1cd8968f713a407af0060653e56bea735ee89a1ae7da3d49379bff883bf921a"`
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]    Compiling syn v0.15.34
[INFO] [stderr]     Checking smol_str v0.1.11
[INFO] [stderr]     Checking colosseum v0.2.2
[INFO] [stderr]     Checking text_unit v0.1.9
[INFO] [stderr]     Checking lock_api v0.2.0
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling parking_lot_core v0.5.0
[INFO] [stderr]    Compiling parking_lot v0.8.0
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking backtrace-sys v0.1.28
[INFO] [stderr]     Checking dirs-sys v0.3.3
[INFO] [stderr]     Checking backtrace v0.3.30
[INFO] [stderr]     Checking dirs v2.0.1
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking rowan v0.5.2
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking rnix v0.6.0 (https://gitlab.com/jD91mZM2/rnix?rev=93ded1c5f2c6ed0b8cc8396c1834bb901ccdd93c#93ded1c5)
[INFO] [stderr]     Checking nix-manifest-format v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.50s
[INFO] running `"docker" "inspect" "d1cd8968f713a407af0060653e56bea735ee89a1ae7da3d49379bff883bf921a"`
[INFO] running `"docker" "rm" "-f" "d1cd8968f713a407af0060653e56bea735ee89a1ae7da3d49379bff883bf921a"`
[INFO] [stdout] d1cd8968f713a407af0060653e56bea735ee89a1ae7da3d49379bff883bf921a