[INFO] fetching crate checkerboard 0.1.0...
[INFO] checking checkerboard-0.1.0 against master#c2f2db79ca3024f68d22b45aa22b570775c2c4ad for pr-124157
[INFO] extracting crate checkerboard 0.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate checkerboard 0.1.0 on toolchain c2f2db79ca3024f68d22b45aa22b570775c2c4ad
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate checkerboard 0.1.0
[INFO] finished tweaking crates.io crate checkerboard 0.1.0
[INFO] tweaked toml for crates.io crate checkerboard 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 152 packages to latest compatible versions
[INFO] [stderr]       Adding approx v0.3.2 (latest: v0.5.1)
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[INFO] [stderr]       Adding unicode-xid v0.1.0 (latest: v0.2.4)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num-derive v0.2.5
[INFO] [stderr]   Downloaded ordered-float v1.1.1
[INFO] [stderr]   Downloaded once_cell v0.2.4
[INFO] [stderr]   Downloaded tiff v0.3.1
[INFO] [stderr]   Downloaded png v0.15.3
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[INFO] [stderr]   Downloaded png v0.14.1
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[INFO] [stderr]   Downloaded nalgebra v0.18.1
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[INFO] [stderr]   Downloaded itertools v0.7.11
[INFO] [stderr]   Downloaded imageproc v0.18.0
[INFO] [stderr]   Downloaded opencv v0.17.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3a0cffe5e3acbd096c0626a0384b27d7764a22fb4dc88a6acbac12aaa3495100
[INFO] running `Command { std: "docker" "start" "-a" "3a0cffe5e3acbd096c0626a0384b27d7764a22fb4dc88a6acbac12aaa3495100", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a0cffe5e3acbd096c0626a0384b27d7764a22fb4dc88a6acbac12aaa3495100", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a0cffe5e3acbd096c0626a0384b27d7764a22fb4dc88a6acbac12aaa3495100", kill_on_drop: false }`
[INFO] [stdout] 3a0cffe5e3acbd096c0626a0384b27d7764a22fb4dc88a6acbac12aaa3495100
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9d71a12d2a7d395549e828917f4d1df2ac54827a21e1e82b0d2ed3dc7e97d262
[INFO] running `Command { std: "docker" "start" "-a" "9d71a12d2a7d395549e828917f4d1df2ac54827a21e1e82b0d2ed3dc7e97d262", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling memchr v2.7.2
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling libc v0.2.154
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling parking_lot_core v0.6.3
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling syn v2.0.60
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling smallvec v0.6.14
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling either v1.11.0
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[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]     Checking rand_xorshift v0.1.1
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[INFO] [stderr]     Checking rand_isaac v0.1.1
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[INFO] [stderr]     Checking regex-syntax v0.8.3
[INFO] [stderr]     Checking custom_derive v0.1.7
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[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling rayon-core v1.12.1
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[INFO] [stderr]     Checking rusttype v0.8.3
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[INFO] [stderr]     Checking rusttype v0.7.9
[INFO] [stderr]     Checking alga v0.9.3
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking nalgebra v0.18.1
[INFO] [stderr]     Checking tiff v0.2.2
[INFO] [stderr]     Checking tiff v0.3.1
[INFO] [stderr]    Compiling cpp_common v0.5.9
[INFO] [stderr]     Checking image v0.21.3
[INFO] [stderr]     Checking image v0.22.5
[INFO] [stderr]    Compiling regex v1.10.4
[INFO] [stderr]    Compiling cpp_build v0.5.9
[INFO] [stderr]    Compiling cpp_macros v0.5.9
[INFO] [stderr]    Compiling serde_derive v1.0.200
[INFO] [stderr]    Compiling opencv v0.17.3
[INFO] [stderr]     Checking cpp v0.5.9
[INFO] [stderr]     Checking imageproc v0.18.0
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/imageproc-0.18.0/src/hog.rs:440:33
[INFO] [stdout]     |
[INFO] [stdout] 440 |             let intensity = u8::clamp(hist[bucket]);
[INFO] [stdout]     |                                 ^^^^^ multiple `clamp` found
[INFO] [stdout]     |
[INFO] [stdout] note: candidate #1 is defined in the trait `Clamp`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/imageproc-0.18.0/src/definitions.rs:68:5
[INFO] [stdout]     |
[INFO] [stdout] 68  |     fn clamp(x: T) -> Self;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: candidate #2 is defined in an impl of the trait `Ord` for the type `u8`
[INFO] [stdout] help: use fully-qualified syntax to disambiguate
[INFO] [stdout]     |
[INFO] [stdout] 440 |             let intensity = <u8 as Clamp>::clamp(hist[bucket]);
[INFO] [stdout]     |                             ~~~~~~~~~~~~~~~
[INFO] [stdout] 440 |             let intensity = Ord::clamp(hist[bucket]);
[INFO] [stdout]     |                             ~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/imageproc-0.18.0/src/hog.rs:444:33
[INFO] [stdout]     |
[INFO] [stdout] 444 |             let intensity = u8::clamp(hist[bucket]);
[INFO] [stdout]     |                                 ^^^^^ multiple `clamp` found
[INFO] [stdout]     |
[INFO] [stdout] note: candidate #1 is defined in the trait `Clamp`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/imageproc-0.18.0/src/definitions.rs:68:5
[INFO] [stdout]     |
[INFO] [stdout] 68  |     fn clamp(x: T) -> Self;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: candidate #2 is defined in an impl of the trait `Ord` for the type `u8`
[INFO] [stdout] help: use fully-qualified syntax to disambiguate
[INFO] [stdout]     |
[INFO] [stdout] 444 |             let intensity = <u8 as Clamp>::clamp(hist[bucket]);
[INFO] [stdout]     |                             ~~~~~~~~~~~~~~~
[INFO] [stdout] 444 |             let intensity = Ord::clamp(hist[bucket]);
[INFO] [stdout]     |                             ~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0034`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `imageproc` (lib) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "9d71a12d2a7d395549e828917f4d1df2ac54827a21e1e82b0d2ed3dc7e97d262", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d71a12d2a7d395549e828917f4d1df2ac54827a21e1e82b0d2ed3dc7e97d262", kill_on_drop: false }`
[INFO] [stdout] 9d71a12d2a7d395549e828917f4d1df2ac54827a21e1e82b0d2ed3dc7e97d262
