[INFO] updating cached repository https://github.com/PeronTheDuck/rust_color_circler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d963639fe96f9a76b5b7ca6ac9353df958e35517
[INFO] checking PeronTheDuck/rust_color_circler against try#0ab79c4b48ad19260fa46623f452c1b403a360e8 for pr-74315
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPeronTheDuck%2Frust_color_circler" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/PeronTheDuck/rust_color_circler on toolchain 0ab79c4b48ad19260fa46623f452c1b403a360e8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/PeronTheDuck/rust_color_circler
[INFO] finished tweaking git repo https://github.com/PeronTheDuck/rust_color_circler
[INFO] tweaked toml for git repo https://github.com/PeronTheDuck/rust_color_circler written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/PeronTheDuck/rust_color_circler already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2467f1ddb69950a3ca8e2c65c049bab3586b146568d79936f11850e898e14edc
[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" "2467f1ddb69950a3ca8e2c65c049bab3586b146568d79936f11850e898e14edc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2467f1ddb69950a3ca8e2c65c049bab3586b146568d79936f11850e898e14edc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2467f1ddb69950a3ca8e2c65c049bab3586b146568d79936f11850e898e14edc", kill_on_drop: false }`
[INFO] [stdout] 2467f1ddb69950a3ca8e2c65c049bab3586b146568d79936f11850e898e14edc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "check" "--frozen" "--all" "--all-targets" "--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] 77f26304363749c22b848d678493845e5af817fc81e4e1c47a9877ccdd5bf801
[INFO] running `Command { std: "docker" "start" "-a" "77f26304363749c22b848d678493845e5af817fc81e4e1c47a9877ccdd5bf801", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.5
[INFO] [stderr]     Checking nodrop v0.1.12
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]     Checking byteorder v1.2.6
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]     Checking adler32 v1.0.3
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking color_quant v1.0.1
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.20
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]     Checking arrayvec v0.4.7
[INFO] [stderr]     Checking inflate v0.4.3
[INFO] [stderr]     Checking gif v0.10.1
[INFO] [stderr]    Compiling rayon v1.0.2
[INFO] [stderr]     Checking deflate v0.7.19
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]    Compiling syn v0.15.9
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking png v0.12.0
[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 color_circler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/main.rs:31:71
[INFO] [stdout]    |
[INFO] [stdout] 31 |                     .expect("Couldn't parse input. It must be an u8");;
[INFO] [stdout]    |                                                                       ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/main.rs:38:72
[INFO] [stdout]    |
[INFO] [stdout] 38 |                     .expect("Couldn't parse input. It must be an f64");;
[INFO] [stdout]    |                                                                        ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/main.rs:31:71
[INFO] [stdout]    |
[INFO] [stdout] 31 |                     .expect("Couldn't parse input. It must be an u8");;
[INFO] [stdout]    |                                                                       ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/main.rs:38:72
[INFO] [stdout]    |
[INFO] [stdout] 38 |                     .expect("Couldn't parse input. It must be an f64");;
[INFO] [stdout]    |                                                                        ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.25s
[INFO] running `Command { std: "docker" "inspect" "77f26304363749c22b848d678493845e5af817fc81e4e1c47a9877ccdd5bf801", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77f26304363749c22b848d678493845e5af817fc81e4e1c47a9877ccdd5bf801", kill_on_drop: false }`
[INFO] [stdout] 77f26304363749c22b848d678493845e5af817fc81e4e1c47a9877ccdd5bf801