[INFO] cloning repository https://github.com/justincremer/gumby-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/justincremer/gumby-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjustincremer%2Fgumby-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjustincremer%2Fgumby-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c2dd0f9defd1e8e37e1331b8ff199320cc203b7e
[INFO] checking justincremer/gumby-rs against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjustincremer%2Fgumby-rs" "/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/justincremer/gumby-rs on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/justincremer/gumby-rs
[INFO] finished tweaking git repo https://github.com/justincremer/gumby-rs
[INFO] tweaked toml for git repo https://github.com/justincremer/gumby-rs written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/justincremer/gumby-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 66b9ba0c39770baf854657901738a607cce47a9f0802f6646d97d2b75f30ca38
[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" "66b9ba0c39770baf854657901738a607cce47a9f0802f6646d97d2b75f30ca38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "66b9ba0c39770baf854657901738a607cce47a9f0802f6646d97d2b75f30ca38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66b9ba0c39770baf854657901738a607cce47a9f0802f6646d97d2b75f30ca38", kill_on_drop: false }`
[INFO] [stdout] 66b9ba0c39770baf854657901738a607cce47a9f0802f6646d97d2b75f30ca38
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "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] 74345bfd990a550d2a2ac8c4ab90ee7b59ae177f8b6f38e373bcef3c5aae9a5c
[INFO] running `Command { std: "docker" "start" "-a" "74345bfd990a550d2a2ac8c4ab90ee7b59ae177f8b6f38e373bcef3c5aae9a5c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]     Checking debug_unreachable v0.1.1
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking tendril v0.4.2
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking hyper v0.10.16
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking uuid v0.1.18
[INFO] [stderr]     Checking url v0.2.38
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling string_cache_codegen v0.4.4
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling string_cache v0.6.2
[INFO] [stderr]    Compiling markup5ever v0.6.2
[INFO] [stderr]    Compiling html5ever v0.21.0
[INFO] [stderr]     Checking gumby-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.67s
[INFO] running `Command { std: "docker" "inspect" "74345bfd990a550d2a2ac8c4ab90ee7b59ae177f8b6f38e373bcef3c5aae9a5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74345bfd990a550d2a2ac8c4ab90ee7b59ae177f8b6f38e373bcef3c5aae9a5c", kill_on_drop: false }`
[INFO] [stdout] 74345bfd990a550d2a2ac8c4ab90ee7b59ae177f8b6f38e373bcef3c5aae9a5c