[INFO] cloning repository https://github.com/SethRAH/crab_sweeper
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SethRAH/crab_sweeper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSethRAH%2Fcrab_sweeper", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSethRAH%2Fcrab_sweeper'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8636d18bb7b673eadafeac943d10de556eac0581
[INFO] testing SethRAH/crab_sweeper against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSethRAH%2Fcrab_sweeper" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SethRAH/crab_sweeper on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/SethRAH/crab_sweeper
[INFO] finished tweaking git repo https://github.com/SethRAH/crab_sweeper
[INFO] tweaked toml for git repo https://github.com/SethRAH/crab_sweeper written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/SethRAH/crab_sweeper already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", 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] 7b3414c627fc08887d200d0fcf99bfe8217fe8586af0a50d7dc4d5c827a51dd9
[INFO] running `Command { std: "docker" "start" "-a" "7b3414c627fc08887d200d0fcf99bfe8217fe8586af0a50d7dc4d5c827a51dd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7b3414c627fc08887d200d0fcf99bfe8217fe8586af0a50d7dc4d5c827a51dd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b3414c627fc08887d200d0fcf99bfe8217fe8586af0a50d7dc4d5c827a51dd9", kill_on_drop: false }`
[INFO] [stdout] 7b3414c627fc08887d200d0fcf99bfe8217fe8586af0a50d7dc4d5c827a51dd9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--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] f36f0d91fd491286aff84406b253dc7315c4f6a3d78dedbaa0f31379ec9ab5a2
[INFO] running `Command { std: "docker" "start" "-a" "f36f0d91fd491286aff84406b253dc7315c4f6a3d78dedbaa0f31379ec9ab5a2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] error: multiple packages link to native library `alsa`, but a native library can be linked only once
[INFO] [stderr] 
[INFO] [stderr] package `alsa-sys v0.1.2`
[INFO] [stderr]     ... which satisfies dependency `alsa-sys = "^0.1"` (locked to 0.1.2) of package `cpal v0.8.2`
[INFO] [stderr]     ... which satisfies dependency `cpal = "^0.8"` (locked to 0.8.2) of package `rodio v0.9.0`
[INFO] [stderr]     ... which satisfies dependency `rodio = "^0.9"` (locked to 0.9.0) of package `ggez v0.5.1`
[INFO] [stderr]     ... which satisfies dependency `ggez = "^0.5.1"` (locked to 0.5.1) of package `crab_sweeper v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] links to native library `alsa`
[INFO] [stderr] 
[INFO] [stderr] package `alsa-sys v0.3.1`
[INFO] [stderr]     ... which satisfies dependency `alsa-sys = "^0.3.1"` (locked to 0.3.1) of package `alsa v0.5.0`
[INFO] [stderr]     ... which satisfies dependency `alsa = "^0.5"` (locked to 0.5.0) of package `cpal v0.13.3`
[INFO] [stderr]     ... which satisfies dependency `cpal = "^0.13"` (locked to 0.13.3) of package `rodio v0.13.1`
[INFO] [stderr]     ... which satisfies dependency `rodio = "^0.13"` (locked to 0.13.1) of package `crab_sweeper v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] also links to native library `alsa`
[INFO] running `Command { std: "docker" "inspect" "f36f0d91fd491286aff84406b253dc7315c4f6a3d78dedbaa0f31379ec9ab5a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f36f0d91fd491286aff84406b253dc7315c4f6a3d78dedbaa0f31379ec9ab5a2", kill_on_drop: false }`
[INFO] [stdout] f36f0d91fd491286aff84406b253dc7315c4f6a3d78dedbaa0f31379ec9ab5a2