[INFO] cloning repository https://github.com/QingCold/Concurrency_Mandelbrot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/QingCold/Concurrency_Mandelbrot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FQingCold%2FConcurrency_Mandelbrot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FQingCold%2FConcurrency_Mandelbrot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1150fff88373de568cc8a5be43785bc2556cd3e8
[INFO] checking QingCold/Concurrency_Mandelbrot against try#7dabc88a3b6768751847baeb49983f31ac5f20e2 for pr-155945
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FQingCold%2FConcurrency_Mandelbrot" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/QingCold/Concurrency_Mandelbrot
[INFO] finished tweaking git repo https://github.com/QingCold/Concurrency_Mandelbrot
[INFO] tweaked toml for git repo https://github.com/QingCold/Concurrency_Mandelbrot written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/QingCold/Concurrency_Mandelbrot on toolchain 7dabc88a3b6768751847baeb49983f31ac5f20e2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7dabc88a3b6768751847baeb49983f31ac5f20e2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/QingCold/Concurrency_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" "+7dabc88a3b6768751847baeb49983f31ac5f20e2" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+7dabc88a3b6768751847baeb49983f31ac5f20e2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 68c7a07e43336d8e58c96cd1d699d7ad76d6fa81c6c21ec916ca3bb25c2a61a2
[INFO] running `Command { std: "docker" "start" "-a" "68c7a07e43336d8e58c96cd1d699d7ad76d6fa81c6c21ec916ca3bb25c2a61a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "68c7a07e43336d8e58c96cd1d699d7ad76d6fa81c6c21ec916ca3bb25c2a61a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68c7a07e43336d8e58c96cd1d699d7ad76d6fa81c6c21ec916ca3bb25c2a61a2", kill_on_drop: false }`
[INFO] [stdout] 68c7a07e43336d8e58c96cd1d699d7ad76d6fa81c6c21ec916ca3bb25c2a61a2
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+7dabc88a3b6768751847baeb49983f31ac5f20e2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0ab7119af7a7afde600bf5c3bd9a575ef22614fd6ee47a0efa09a279c811fffb
[INFO] running `Command { std: "docker" "start" "-a" "0ab7119af7a7afde600bf5c3bd9a575ef22614fd6ee47a0efa09a279c811fffb", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling crossbeam-utils v0.8.14
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.13
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling rayon-core v1.10.2
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling crossbeam-queue v0.3.8
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stdout] error[E0365]: `core` is only public within the crate, and cannot be re-exported outside
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/bitflags-0.7.0/src/lib.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub use core as __core;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^ re-export of crate public `core`
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider declaring type or module `core` with `pub`
[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 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "0ab7119af7a7afde600bf5c3bd9a575ef22614fd6ee47a0efa09a279c811fffb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ab7119af7a7afde600bf5c3bd9a575ef22614fd6ee47a0efa09a279c811fffb", kill_on_drop: false }`
[INFO] [stdout] 0ab7119af7a7afde600bf5c3bd9a575ef22614fd6ee47a0efa09a279c811fffb
