[INFO] cloning repository https://github.com/lachenmayer/average-image
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lachenmayer/average-image" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flachenmayer%2Faverage-image", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flachenmayer%2Faverage-image'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 66ea95a8a580201d30940b04143cea8d8820f2ed
[INFO] checking lachenmayer/average-image against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flachenmayer%2Faverage-image" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lachenmayer/average-image on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lachenmayer/average-image
[INFO] finished tweaking git repo https://github.com/lachenmayer/average-image
[INFO] tweaked toml for git repo https://github.com/lachenmayer/average-image written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/lachenmayer/average-image already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ab701c63b52a061a4b3b3bd0c7a83db55481685e641d260ccd9577364e2cb4c1
[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" "ab701c63b52a061a4b3b3bd0c7a83db55481685e641d260ccd9577364e2cb4c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ab701c63b52a061a4b3b3bd0c7a83db55481685e641d260ccd9577364e2cb4c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab701c63b52a061a4b3b3bd0c7a83db55481685e641d260ccd9577364e2cb4c1", kill_on_drop: false }`
[INFO] [stdout] ab701c63b52a061a4b3b3bd0c7a83db55481685e641d260ccd9577364e2cb4c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 543f3a2ddf8a2f25f4a32e4fd31c3c32988dff982deaf24893d2ed7d2256ef4d
[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" "543f3a2ddf8a2f25f4a32e4fd31c3c32988dff982deaf24893d2ed7d2256ef4d", kill_on_drop: false }`
[INFO] [stderr]     Checking hsl v0.1.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.20
[INFO] [stderr]     Checking deflate v0.7.19
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]     Checking png v0.12.0
[INFO] [stderr]    Compiling syn v0.15.13
[INFO] [stderr]     Checking rayon v1.0.2
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling num-derive v0.2.3
[INFO] [stderr]     Checking tiff v0.2.1
[INFO] [stderr]     Checking image v0.20.0
[INFO] [stderr]     Checking average-image v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.93s
[INFO] running `Command { std: "docker" "inspect" "543f3a2ddf8a2f25f4a32e4fd31c3c32988dff982deaf24893d2ed7d2256ef4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "543f3a2ddf8a2f25f4a32e4fd31c3c32988dff982deaf24893d2ed7d2256ef4d", kill_on_drop: false }`
[INFO] [stdout] 543f3a2ddf8a2f25f4a32e4fd31c3c32988dff982deaf24893d2ed7d2256ef4d