[INFO] cloning repository https://github.com/theAntiYeti/mandelbrot_worker
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/theAntiYeti/mandelbrot_worker" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FtheAntiYeti%2Fmandelbrot_worker", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FtheAntiYeti%2Fmandelbrot_worker'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8e01edada586da9d29531e370aa4820474cef865
[INFO] checking theAntiYeti/mandelbrot_worker against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FtheAntiYeti%2Fmandelbrot_worker" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-4-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/theAntiYeti/mandelbrot_worker
[INFO] finished tweaking git repo https://github.com/theAntiYeti/mandelbrot_worker
[INFO] tweaked toml for git repo https://github.com/theAntiYeti/mandelbrot_worker written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/theAntiYeti/mandelbrot_worker on toolchain b1f2594eac607c1f051534800237eeedb5590a49
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/theAntiYeti/mandelbrot_worker 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" "+b1f2594eac607c1f051534800237eeedb5590a49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eb6a146e4d2e20d810c8015d4fd5268c7e6871c40a05d0fba496d1a1ba070f9c
[INFO] running `Command { std: "docker" "start" "-a" "eb6a146e4d2e20d810c8015d4fd5268c7e6871c40a05d0fba496d1a1ba070f9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eb6a146e4d2e20d810c8015d4fd5268c7e6871c40a05d0fba496d1a1ba070f9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb6a146e4d2e20d810c8015d4fd5268c7e6871c40a05d0fba496d1a1ba070f9c", kill_on_drop: false }`
[INFO] [stdout] eb6a146e4d2e20d810c8015d4fd5268c7e6871c40a05d0fba496d1a1ba070f9c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a4e8a9f2fb5893d4a97d15667f402d306121180e166242b37c8560f2d9e626fb
[INFO] running `Command { std: "docker" "start" "-a" "a4e8a9f2fb5893d4a97d15667f402d306121180e166242b37c8560f2d9e626fb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.109
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling futures-util v0.3.18
[INFO] [stderr]     Checking input_buffer v0.3.1
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]     Checking buf_redux v0.8.4
[INFO] [stderr]     Checking headers-core v0.2.0
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking twoway v0.1.8
[INFO] [stderr]     Checking ryu v1.0.7
[INFO] [stderr]     Checking httpdate v0.3.2
[INFO] [stderr]     Checking futures-io v0.3.18
[INFO] [stderr]     Checking headers v0.3.5
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking tungstenite v0.11.1
[INFO] [stderr]     Checking multipart v0.17.1
[INFO] [stderr]     Checking futures v0.3.18
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]    Compiling serde_derive v1.0.131
[INFO] [stderr]    Compiling pin-project-internal v0.4.28
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]     Checking pin-project v0.4.28
[INFO] [stderr]     Checking pin-project v1.0.8
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]     Checking serde v1.0.131
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tungstenite v0.11.0
[INFO] [stderr]     Checking h2 v0.2.7
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking serde_json v1.0.72
[INFO] [stderr]     Checking hyper v0.13.10
[INFO] [stderr]     Checking warp v0.2.5
[INFO] [stderr]     Checking mandelbrot_worker v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `complex::Complex`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use complex::Complex;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `complex::Complex`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use complex::Complex;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 34.63s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: buf_redux v0.8.4, multipart v0.17.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 14`
[INFO] running `Command { std: "docker" "inspect" "a4e8a9f2fb5893d4a97d15667f402d306121180e166242b37c8560f2d9e626fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4e8a9f2fb5893d4a97d15667f402d306121180e166242b37c8560f2d9e626fb", kill_on_drop: false }`
[INFO] [stdout] a4e8a9f2fb5893d4a97d15667f402d306121180e166242b37c8560f2d9e626fb