[INFO] cloning repository https://github.com/femnad/lhn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/femnad/lhn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffemnad%2Flhn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffemnad%2Flhn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a5af9ef9af00c1a1a01d183cc9917d98133732bf
[INFO] checking femnad/lhn against master#0a8629bff642c3c3b84bb644c0099194f063b627 for pr-86231
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffemnad%2Flhn" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/femnad/lhn on toolchain 0a8629bff642c3c3b84bb644c0099194f063b627
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0a8629bff642c3c3b84bb644c0099194f063b627" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/femnad/lhn
[INFO] finished tweaking git repo https://github.com/femnad/lhn
[INFO] tweaked toml for git repo https://github.com/femnad/lhn written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/femnad/lhn already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0a8629bff642c3c3b84bb644c0099194f063b627" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+0a8629bff642c3c3b84bb644c0099194f063b627" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cbb5ec0ca3632b0be4f4cf8657ef0acc7f3c2d25d45dd0c7a9bd7a8796a413fe
[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" "cbb5ec0ca3632b0be4f4cf8657ef0acc7f3c2d25d45dd0c7a9bd7a8796a413fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cbb5ec0ca3632b0be4f4cf8657ef0acc7f3c2d25d45dd0c7a9bd7a8796a413fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbb5ec0ca3632b0be4f4cf8657ef0acc7f3c2d25d45dd0c7a9bd7a8796a413fe", kill_on_drop: false }`
[INFO] [stdout] cbb5ec0ca3632b0be4f4cf8657ef0acc7f3c2d25d45dd0c7a9bd7a8796a413fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+0a8629bff642c3c3b84bb644c0099194f063b627" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3adbf53a6eb44069df90f62d9a15b86c38d79cc2cd9d3ce6a44f6f20e9fc23cc
[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" "3adbf53a6eb44069df90f62d9a15b86c38d79cc2cd9d3ce6a44f6f20e9fc23cc", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling cc v1.0.64
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking chunked_transfer v1.3.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]     Checking filetime v0.2.13
[INFO] [stderr]     Checking xattr v0.2.2
[INFO] [stderr]     Checking url v2.2.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking tar v0.4.30
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling ring v0.16.16
[INFO] [stderr]     Checking flate2 v1.0.19
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking webpki v0.21.3
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking rustls v0.19.1
[INFO] [stderr]     Checking webpki-roots v0.21.1
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]     Checking ureq v2.1.1
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking serde v1.0.117
[INFO] [stderr]     Checking serde_yaml v0.8.14
[INFO] [stderr]     Checking lhn v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 59.82s
[INFO] running `Command { std: "docker" "inspect" "3adbf53a6eb44069df90f62d9a15b86c38d79cc2cd9d3ce6a44f6f20e9fc23cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3adbf53a6eb44069df90f62d9a15b86c38d79cc2cd9d3ce6a44f6f20e9fc23cc", kill_on_drop: false }`
[INFO] [stdout] 3adbf53a6eb44069df90f62d9a15b86c38d79cc2cd9d3ce6a44f6f20e9fc23cc