[INFO] cloning repository https://github.com/dmitmel/sort-visualization
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dmitmel/sort-visualization" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdmitmel%2Fsort-visualization", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdmitmel%2Fsort-visualization'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 895cedf116d57b1d9494297e1d56383c2370b57d
[INFO] checking dmitmel/sort-visualization against master#03c609abb6638f9d7f49f34326d4137d07f5cd61 for pr-155945
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdmitmel%2Fsort-visualization" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/dmitmel/sort-visualization
[INFO] finished tweaking git repo https://github.com/dmitmel/sort-visualization
[INFO] tweaked toml for git repo https://github.com/dmitmel/sort-visualization written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/dmitmel/sort-visualization on toolchain 03c609abb6638f9d7f49f34326d4137d07f5cd61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+03c609abb6638f9d7f49f34326d4137d07f5cd61" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/dmitmel/sort-visualization 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" "+03c609abb6638f9d7f49f34326d4137d07f5cd61" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pistoncore-window v0.34.0
[INFO] [stderr]   Downloaded pistoncore-input v0.23.0
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+03c609abb6638f9d7f49f34326d4137d07f5cd61" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 305f61a2d5ef8182ce779ab9234946adc85283236b621468266f449c056068b2
[INFO] running `Command { std: "docker" "start" "-a" "305f61a2d5ef8182ce779ab9234946adc85283236b621468266f449c056068b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "305f61a2d5ef8182ce779ab9234946adc85283236b621468266f449c056068b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "305f61a2d5ef8182ce779ab9234946adc85283236b621468266f449c056068b2", kill_on_drop: false }`
[INFO] [stdout] 305f61a2d5ef8182ce779ab9234946adc85283236b621468266f449c056068b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+03c609abb6638f9d7f49f34326d4137d07f5cd61" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 10638f317ebf5ce60737db19ba79293db3eae2842552d91cc53a58ee11684661
[INFO] running `Command { std: "docker" "start" "-a" "10638f317ebf5ce60737db19ba79293db3eae2842552d91cc53a58ee11684661", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking piston-viewport v0.5.0
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling xml-rs v0.8.0
[INFO] [stderr]     Checking num_cpus v1.12.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]     Checking stb_truetype v0.3.1
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[INFO] [stderr]    Compiling num-rational v0.2.3
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[INFO] [stderr]    Compiling backtrace-sys v0.1.32
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[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]     Checking jpeg-decoder v0.1.18
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]     Checking tiff v0.2.2
[INFO] [stderr]     Checking image v0.20.1
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking piston2d-opengl_graphics v0.57.0
[INFO] [stderr]     Checking pistoncore-input v0.23.0
[INFO] [stderr]     Checking pistoncore-window v0.34.0
[INFO] [stderr]     Checking pistoncore-event_loop v0.39.0
[INFO] [stderr]     Checking pistoncore-sdl2_window v0.52.0
[INFO] [stderr]     Checking piston v0.39.0
[INFO] [stderr]     Checking sorting-visualization v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self::$id::$type`
[INFO] [stdout]   --> src/algorithms/mod.rs:25:15
[INFO] [stdout]    |
[INFO] [stdout] 25 |         pub use self::$id::$type;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 | / algorithms![
[INFO] [stdout] 40 | |   bubble => BubbleSort,
[INFO] [stdout] 41 | |   cocktail => CocktailSort,
[INFO] [stdout] 42 | |   cycle => CycleSort,
[INFO] [stdout] ...  |
[INFO] [stdout] 50 | |   all => All,
[INFO] [stdout] 51 | | ];
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]    = note: this warning originates in the macro `algorithms` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::$id::$type`
[INFO] [stdout]   --> src/algorithms/mod.rs:25:15
[INFO] [stdout]    |
[INFO] [stdout] 25 |         pub use self::$id::$type;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 | / algorithms![
[INFO] [stdout] 40 | |   bubble => BubbleSort,
[INFO] [stdout] 41 | |   cocktail => CocktailSort,
[INFO] [stdout] 42 | |   cycle => CycleSort,
[INFO] [stdout] ...  |
[INFO] [stdout] 50 | |   all => All,
[INFO] [stdout] 51 | | ];
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]    = note: this warning originates in the macro `algorithms` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 36.89s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: bitflags v0.7.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "10638f317ebf5ce60737db19ba79293db3eae2842552d91cc53a58ee11684661", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10638f317ebf5ce60737db19ba79293db3eae2842552d91cc53a58ee11684661", kill_on_drop: false }`
[INFO] [stdout] 10638f317ebf5ce60737db19ba79293db3eae2842552d91cc53a58ee11684661
