[INFO] cloning repository https://github.com/amiel/fcbuttons
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/amiel/fcbuttons" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famiel%2Ffcbuttons", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famiel%2Ffcbuttons'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0e78759cada8e663f56dd2e713a3ba6be640b65e
[INFO] checking amiel/fcbuttons against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famiel%2Ffcbuttons" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/amiel/fcbuttons 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/amiel/fcbuttons
[INFO] finished tweaking git repo https://github.com/amiel/fcbuttons
[INFO] tweaked toml for git repo https://github.com/amiel/fcbuttons written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/amiel/fcbuttons 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded opc v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 384d5b9f7ddc9be6d4759730717d32b3e6faf90814850adc35037b18bb6b49ad
[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" "384d5b9f7ddc9be6d4759730717d32b3e6faf90814850adc35037b18bb6b49ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "384d5b9f7ddc9be6d4759730717d32b3e6faf90814850adc35037b18bb6b49ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "384d5b9f7ddc9be6d4759730717d32b3e6faf90814850adc35037b18bb6b49ad", kill_on_drop: false }`
[INFO] [stdout] 384d5b9f7ddc9be6d4759730717d32b3e6faf90814850adc35037b18bb6b49ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stdout] 2f7b72f12c8b669ee86ef7b7e54c56f7bf85cd743524dc76823f108ec4780a9d
[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" "2f7b72f12c8b669ee86ef7b7e54c56f7bf85cd743524dc76823f108ec4780a9d", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking bufstream v0.1.4
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking opc v0.3.0
[INFO] [stderr]     Checking mpd v0.0.12
[INFO] [stderr]     Checking regex v1.4.6
[INFO] [stderr]     Checking sysfs_gpio v0.5.4
[INFO] [stderr]     Checking fcbuttons v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.98s
[INFO] running `Command { std: "docker" "inspect" "2f7b72f12c8b669ee86ef7b7e54c56f7bf85cd743524dc76823f108ec4780a9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f7b72f12c8b669ee86ef7b7e54c56f7bf85cd743524dc76823f108ec4780a9d", kill_on_drop: false }`
[INFO] [stdout] 2f7b72f12c8b669ee86ef7b7e54c56f7bf85cd743524dc76823f108ec4780a9d