[INFO] updating cached repository https://github.com/kazsaj/command-queue
[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] b786d5007b602ce759f42007f5c4e42bb5286704
[INFO] checking kazsaj/command-queue against master#1d5f6d41e140a3d6a9c6584d555bc09f10222d24 for pr-66037-3
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkazsaj%2Fcommand-queue" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kazsaj/command-queue on toolchain 1d5f6d41e140a3d6a9c6584d555bc09f10222d24
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1d5f6d41e140a3d6a9c6584d555bc09f10222d24" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/kazsaj/command-queue
[INFO] finished tweaking git repo https://github.com/kazsaj/command-queue
[INFO] tweaked toml for git repo https://github.com/kazsaj/command-queue written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/kazsaj/command-queue already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1d5f6d41e140a3d6a9c6584d555bc09f10222d24" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1d5f6d41e140a3d6a9c6584d555bc09f10222d24" "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] 1bff120bcf895fa01489eef0b2a46d9e146071dffa23fe27c57698079da64f2a
[INFO] running `"docker" "start" "-a" "1bff120bcf895fa01489eef0b2a46d9e146071dffa23fe27c57698079da64f2a"`
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]     Checking rand_core v0.4.0
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling redis v0.10.0
[INFO] [stderr]     Checking bitflags v0.4.0
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking combine v3.8.1
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_pcg v0.1.2
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]    Compiling nix v0.7.0
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking num_cpus v1.10.1
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]     Checking graceful v0.1.1
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking command-queue v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.23s
[INFO] running `"docker" "inspect" "1bff120bcf895fa01489eef0b2a46d9e146071dffa23fe27c57698079da64f2a"`
[INFO] running `"docker" "rm" "-f" "1bff120bcf895fa01489eef0b2a46d9e146071dffa23fe27c57698079da64f2a"`
[INFO] [stdout] 1bff120bcf895fa01489eef0b2a46d9e146071dffa23fe27c57698079da64f2a