[INFO] cloning repository https://github.com/Jackbaude/mandelbrot-set-challange
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Jackbaude/mandelbrot-set-challange" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJackbaude%2Fmandelbrot-set-challange", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJackbaude%2Fmandelbrot-set-challange'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 11e9f49e3aa7e1259df04ef5c2e86963961d3759
[INFO] checking Jackbaude/mandelbrot-set-challange against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJackbaude%2Fmandelbrot-set-challange" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Jackbaude/mandelbrot-set-challange
[INFO] finished tweaking git repo https://github.com/Jackbaude/mandelbrot-set-challange
[INFO] tweaked toml for git repo https://github.com/Jackbaude/mandelbrot-set-challange written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Jackbaude/mandelbrot-set-challange on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Jackbaude/mandelbrot-set-challange already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 55d590ad47ea1e2efababd0b110ebd5528419bd012d84f2b10f1ed2a2814fdde
[INFO] running `Command { std: "docker" "start" "-a" "55d590ad47ea1e2efababd0b110ebd5528419bd012d84f2b10f1ed2a2814fdde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "55d590ad47ea1e2efababd0b110ebd5528419bd012d84f2b10f1ed2a2814fdde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55d590ad47ea1e2efababd0b110ebd5528419bd012d84f2b10f1ed2a2814fdde", kill_on_drop: false }`
[INFO] [stdout] 55d590ad47ea1e2efababd0b110ebd5528419bd012d84f2b10f1ed2a2814fdde
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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 -Dunmustuse_in_always_ok" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2d69c4595c0683e08c15b1f3f50e9cb54881fd17a1669f896ce7fe6ded111fd5
[INFO] running `Command { std: "docker" "start" "-a" "2d69c4595c0683e08c15b1f3f50e9cb54881fd17a1669f896ce7fe6ded111fd5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling const_fn v0.4.5
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]     Checking weezl v0.1.3
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]     Checking bytemuck v1.5.0
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking gif v0.11.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking png v0.16.8
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking crossbeam-epoch v0.9.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.21
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]     Checking tiff v0.6.1
[INFO] [stderr]     Checking image v0.23.12
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking mandelbrot_set_challange v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | /     /// File name to save the fractal as
[INFO] [stdout] 28 | |     #[structopt(short)]
[INFO] [stdout] 29 | |     file_name: String,
[INFO] [stdout]    | |_____________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mandelbrot_set_challange` (bin "mandelbrot_set_challange" test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | /     /// File name to save the fractal as
[INFO] [stdout] 28 | |     #[structopt(short)]
[INFO] [stdout] 29 | |     file_name: String,
[INFO] [stdout]    | |_____________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mandelbrot_set_challange` (bin "mandelbrot_set_challange") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "2d69c4595c0683e08c15b1f3f50e9cb54881fd17a1669f896ce7fe6ded111fd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d69c4595c0683e08c15b1f3f50e9cb54881fd17a1669f896ce7fe6ded111fd5", kill_on_drop: false }`
[INFO] [stdout] 2d69c4595c0683e08c15b1f3f50e9cb54881fd17a1669f896ce7fe6ded111fd5
