[INFO] cloning repository https://github.com/NathanMoes/mandelbrot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/NathanMoes/mandelbrot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNathanMoes%2Fmandelbrot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNathanMoes%2Fmandelbrot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2061a297ac20670c0a90d0c27aaf7da53dd1355c
[INFO] checking NathanMoes/mandelbrot against master#05eac57ef6668c9d181b65aceb96b1e7881f60be for pr-127656
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNathanMoes%2Fmandelbrot" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/NathanMoes/mandelbrot on toolchain 05eac57ef6668c9d181b65aceb96b1e7881f60be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+05eac57ef6668c9d181b65aceb96b1e7881f60be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/NathanMoes/mandelbrot
[INFO] finished tweaking git repo https://github.com/NathanMoes/mandelbrot
[INFO] tweaked toml for git repo https://github.com/NathanMoes/mandelbrot written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/NathanMoes/mandelbrot 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" "+05eac57ef6668c9d181b65aceb96b1e7881f60be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded gif v0.9.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+05eac57ef6668c9d181b65aceb96b1e7881f60be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ffe117873f326f7af693c8904a1dd97e5cedc08a813f1ded85c2ef5cee8f27c9
[INFO] running `Command { std: "docker" "start" "-a" "ffe117873f326f7af693c8904a1dd97e5cedc08a813f1ded85c2ef5cee8f27c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ffe117873f326f7af693c8904a1dd97e5cedc08a813f1ded85c2ef5cee8f27c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffe117873f326f7af693c8904a1dd97e5cedc08a813f1ded85c2ef5cee8f27c9", kill_on_drop: false }`
[INFO] [stdout] ffe117873f326f7af693c8904a1dd97e5cedc08a813f1ded85c2ef5cee8f27c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+05eac57ef6668c9d181b65aceb96b1e7881f60be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 18801adc0f5207743dfcc5e71e0215f24d654e2c7c2f80d97f7a2fd00998ef4a
[INFO] running `Command { std: "docker" "start" "-a" "18801adc0f5207743dfcc5e71e0215f24d654e2c7c2f80d97f7a2fd00998ef4a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.146
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling crossbeam-queue v0.3.8
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking inflate v0.2.0
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking num-integer v0.1.45
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking num-complex v0.4.3
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking crossbeam-epoch v0.9.15
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking gif v0.9.2
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking crossbeam v0.8.2
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]     Checking png v0.7.0
[INFO] [stderr]     Checking rayon v1.7.0
[INFO] [stderr]     Checking num v0.4.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking image v0.13.0
[INFO] [stderr]     Checking mandelbrot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Duration`
[INFO] [stdout]  --> src/main.rs:9:17
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::time::{Duration, Instant};
[INFO] [stdout]   |                 ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Duration`
[INFO] [stdout]  --> src/main.rs:9:17
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::time::{Duration, Instant};
[INFO] [stdout]   |                 ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `infinite_square` is never used
[INFO] [stdout]    --> src/main.rs:180:4
[INFO] [stdout]     |
[INFO] [stdout] 180 | fn infinite_square(mut x: f64){
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `complex_square_add_loop` is never used
[INFO] [stdout]    --> src/main.rs:186:4
[INFO] [stdout]     |
[INFO] [stdout] 186 | fn complex_square_add_loop(c: Complex<f64>){
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `infinite_square` is never used
[INFO] [stdout]    --> src/main.rs:180:4
[INFO] [stdout]     |
[INFO] [stdout] 180 | fn infinite_square(mut x: f64){
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `complex_square_add_loop` is never used
[INFO] [stdout]    --> src/main.rs:186:4
[INFO] [stdout]     |
[INFO] [stdout] 186 | fn complex_square_add_loop(c: Complex<f64>){
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.71s
[INFO] running `Command { std: "docker" "inspect" "18801adc0f5207743dfcc5e71e0215f24d654e2c7c2f80d97f7a2fd00998ef4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18801adc0f5207743dfcc5e71e0215f24d654e2c7c2f80d97f7a2fd00998ef4a", kill_on_drop: false }`
[INFO] [stdout] 18801adc0f5207743dfcc5e71e0215f24d654e2c7c2f80d97f7a2fd00998ef4a
[INFO] checking NathanMoes/mandelbrot against try#0c9c19b42881b7ee3d3f268d2369726c7f8dddfd for pr-127656
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNathanMoes%2Fmandelbrot" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/NathanMoes/mandelbrot on toolchain 0c9c19b42881b7ee3d3f268d2369726c7f8dddfd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0c9c19b42881b7ee3d3f268d2369726c7f8dddfd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/NathanMoes/mandelbrot
[INFO] finished tweaking git repo https://github.com/NathanMoes/mandelbrot
[INFO] tweaked toml for git repo https://github.com/NathanMoes/mandelbrot written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/NathanMoes/mandelbrot 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" "+0c9c19b42881b7ee3d3f268d2369726c7f8dddfd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+0c9c19b42881b7ee3d3f268d2369726c7f8dddfd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5d357c35d45594c64bf837afcfc0538bd2de87ac532a3126a321e500ca1a4607
[INFO] running `Command { std: "docker" "start" "-a" "5d357c35d45594c64bf837afcfc0538bd2de87ac532a3126a321e500ca1a4607", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d357c35d45594c64bf837afcfc0538bd2de87ac532a3126a321e500ca1a4607", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d357c35d45594c64bf837afcfc0538bd2de87ac532a3126a321e500ca1a4607", kill_on_drop: false }`
[INFO] [stdout] 5d357c35d45594c64bf837afcfc0538bd2de87ac532a3126a321e500ca1a4607
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+0c9c19b42881b7ee3d3f268d2369726c7f8dddfd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cde62bcbee10d57cb249b54c27012eeed1c7dc8fba9650ffeef444b268239344
[INFO] running `Command { std: "docker" "start" "-a" "cde62bcbee10d57cb249b54c27012eeed1c7dc8fba9650ffeef444b268239344", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.146
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling crossbeam-queue v0.3.8
[INFO] [stderr]     Checking num-traits v0.2.15
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking inflate v0.2.0
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking crossbeam-epoch v0.9.15
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[INFO] [stdout] error[E0365]: extern crate `core` is private and cannot be re-exported
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/bitflags-0.7.0/src/lib.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub use core as __core;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: consider making the `extern crate` item publicly accessible
[INFO] [stdout]    |
[INFO] [stdout] 1  | pub // Copyright 2014 The Rust Project Developers. See the COPYRIGHT
[INFO] [stdout]    | +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0365`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bitflags` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "cde62bcbee10d57cb249b54c27012eeed1c7dc8fba9650ffeef444b268239344", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cde62bcbee10d57cb249b54c27012eeed1c7dc8fba9650ffeef444b268239344", kill_on_drop: false }`
[INFO] [stdout] cde62bcbee10d57cb249b54c27012eeed1c7dc8fba9650ffeef444b268239344