[INFO] cloning repository https://github.com/ucarion/proc-world
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ucarion/proc-world" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fucarion%2Fproc-world", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fucarion%2Fproc-world'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 20d35417fda588c5bb60230f20e20b413d0e52b0
[INFO] checking ucarion/proc-world against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fucarion%2Fproc-world" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ucarion/proc-world 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/ucarion/proc-world
[INFO] finished tweaking git repo https://github.com/ucarion/proc-world
[INFO] tweaked toml for git repo https://github.com/ucarion/proc-world written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/ucarion/proc-world 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] [stderr] error: the lock file /workspace/builds/worker-12/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/PistonDevelopers/image`
[INFO] [stderr]     Updating git repository `https://github.com/bjz/noise-rs`
[INFO] [stderr] warning: fetching `master` branch from `https://github.com/bjz/noise-rs` but the `HEAD` reference for this repository is not the `master` branch. This behavior will change in Cargo in the future and your build may break, so it's recommended to place `branch = "master"` in Cargo.toml when depending on this git repository to ensure that your build will continue to work.
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] a4aefffc2a12823f54f0bee5e85a4bca0277f92bd72a8f6c0399813a3ec91385
[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" "a4aefffc2a12823f54f0bee5e85a4bca0277f92bd72a8f6c0399813a3ec91385", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a4aefffc2a12823f54f0bee5e85a4bca0277f92bd72a8f6c0399813a3ec91385", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4aefffc2a12823f54f0bee5e85a4bca0277f92bd72a8f6c0399813a3ec91385", kill_on_drop: false }`
[INFO] [stdout] a4aefffc2a12823f54f0bee5e85a4bca0277f92bd72a8f6c0399813a3ec91385
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 960df5f318787d5b33f575fdc9575dae1dedcc9f97034d11602ab186fca8d306
[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" "960df5f318787d5b33f575fdc9575dae1dedcc9f97034d11602ab186fca8d306", kill_on_drop: false }`
[INFO] [stderr]     Checking weezl v0.1.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]     Checking gif v0.9.2
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking png v0.16.7
[INFO] [stderr]     Checking jpeg-decoder v0.1.20
[INFO] [stderr]     Checking gif v0.11.1
[INFO] [stderr]     Checking tiff v0.6.0
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking num-iter v0.1.42
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking png v0.11.0
[INFO] [stderr]     Checking image v0.23.11 (https://github.com/PistonDevelopers/image#e0261ce3)
[INFO] [stderr]     Checking image v0.18.0
[INFO] [stderr]     Checking noise v0.6.0 (https://github.com/bjz/noise-rs#5b9656e2)
[INFO] [stderr]     Checking proc_world v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `proc_world`
[INFO] [stdout] error: expected one of `!`, `(`, `+`, `::`, `;`, `<`, or `]`, found `,`
[INFO] [stdout]   --> src/main.rs:33:38
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn color_for_value(value: f32) -> [u8, ..3] {
[INFO] [stdout]    |                                      ^ expected one of 7 possible tokens
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: expected one of `!`, `(`, `+`, `::`, `;`, `<`, or `]`, found `,`
[INFO] [stdout]   --> src/main.rs:33:38
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn color_for_value(value: f32) -> [u8, ..3] {
[INFO] [stdout]    |                                      ^ expected one of 7 possible tokens
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "960df5f318787d5b33f575fdc9575dae1dedcc9f97034d11602ab186fca8d306", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "960df5f318787d5b33f575fdc9575dae1dedcc9f97034d11602ab186fca8d306", kill_on_drop: false }`
[INFO] [stdout] 960df5f318787d5b33f575fdc9575dae1dedcc9f97034d11602ab186fca8d306