[INFO] cloning repository https://github.com/js02sh/image-checkerboard
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/js02sh/image-checkerboard" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjs02sh%2Fimage-checkerboard", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjs02sh%2Fimage-checkerboard'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 377e4311e8ae99367fb54a99b1073a98405d6cf6
[INFO] checking js02sh/image-checkerboard against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjs02sh%2Fimage-checkerboard" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/js02sh/image-checkerboard on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/js02sh/image-checkerboard
[INFO] finished tweaking git repo https://github.com/js02sh/image-checkerboard
[INFO] tweaked toml for git repo https://github.com/js02sh/image-checkerboard written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/js02sh/image-checkerboard 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 761225542cd6555d4422fe77a9000026090c38d4562fc0b940cbbdbb5b8a3d0b
[INFO] running `Command { std: "docker" "start" "-a" "761225542cd6555d4422fe77a9000026090c38d4562fc0b940cbbdbb5b8a3d0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "761225542cd6555d4422fe77a9000026090c38d4562fc0b940cbbdbb5b8a3d0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "761225542cd6555d4422fe77a9000026090c38d4562fc0b940cbbdbb5b8a3d0b", kill_on_drop: false }`
[INFO] [stdout] 761225542cd6555d4422fe77a9000026090c38d4562fc0b940cbbdbb5b8a3d0b
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e14685d8913fa614138bea4f848011bc5ac57a8b81f862888f415248042d2342
[INFO] running `Command { std: "docker" "start" "-a" "e14685d8913fa614138bea4f848011bc5ac57a8b81f862888f415248042d2342", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.17
[INFO] [stderr]     Checking simd-adler32 v0.3.7
[INFO] [stderr]    Compiling rayon-core v1.12.0
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking weezl v0.1.7
[INFO] [stderr]     Checking smallvec v1.11.2
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking fdeflate v0.3.1
[INFO] [stderr]     Checking zune-inflate v0.2.54
[INFO] [stderr]     Checking lebe v0.5.2
[INFO] [stderr]     Checking bytemuck v1.14.0
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]     Checking half v2.2.1
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking bit_field v0.10.2
[INFO] [stderr]     Checking qoi v0.4.1
[INFO] [stderr]     Checking gif v0.12.0
[INFO] [stderr]     Checking png v0.17.10
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking crossbeam-epoch v0.9.16
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking crossbeam-deque v0.8.4
[INFO] [stderr]     Checking flume v0.11.0
[INFO] [stderr]     Checking rayon v1.8.0
[INFO] [stderr]     Checking exr v1.71.0
[INFO] [stderr]     Checking jpeg-decoder v0.3.0
[INFO] [stderr]     Checking tiff v0.9.0
[INFO] [stderr]     Checking image v0.24.7
[INFO] [stderr]     Checking image_checkerboard v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `image` is imported redundantly
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use image;
[INFO] [stdout]   |     ^^^^^ the item `image` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `image` is imported redundantly
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use image;
[INFO] [stdout]   |     ^^^^^ the item `image` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.64s
[INFO] running `Command { std: "docker" "inspect" "e14685d8913fa614138bea4f848011bc5ac57a8b81f862888f415248042d2342", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e14685d8913fa614138bea4f848011bc5ac57a8b81f862888f415248042d2342", kill_on_drop: false }`
[INFO] [stdout] e14685d8913fa614138bea4f848011bc5ac57a8b81f862888f415248042d2342
[INFO] checking js02sh/image-checkerboard against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjs02sh%2Fimage-checkerboard" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/js02sh/image-checkerboard on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/js02sh/image-checkerboard
[INFO] finished tweaking git repo https://github.com/js02sh/image-checkerboard
[INFO] tweaked toml for git repo https://github.com/js02sh/image-checkerboard written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/js02sh/image-checkerboard 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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 58ae8800887a8259c7b4a13911f56f0c1d966312e3bbbbe4303c88cb9914cd1c
[INFO] running `Command { std: "docker" "start" "-a" "58ae8800887a8259c7b4a13911f56f0c1d966312e3bbbbe4303c88cb9914cd1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "58ae8800887a8259c7b4a13911f56f0c1d966312e3bbbbe4303c88cb9914cd1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58ae8800887a8259c7b4a13911f56f0c1d966312e3bbbbe4303c88cb9914cd1c", kill_on_drop: false }`
[INFO] [stdout] 58ae8800887a8259c7b4a13911f56f0c1d966312e3bbbbe4303c88cb9914cd1c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ce08c3eddaf4d2d09530662e8b98fb23b6ee3cf53f60dbb78a88b9e50efd1ef0
[INFO] running `Command { std: "docker" "start" "-a" "ce08c3eddaf4d2d09530662e8b98fb23b6ee3cf53f60dbb78a88b9e50efd1ef0", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.17
[INFO] [stderr]     Checking simd-adler32 v0.3.7
[INFO] [stderr]    Compiling rayon-core v1.12.0
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking weezl v0.1.7
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking fdeflate v0.3.1
[INFO] [stderr]     Checking zune-inflate v0.2.54
[INFO] [stderr]     Checking half v2.2.1
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/miniz_oxide-0.7.1/src/inflate/core.rs:1154:9
[INFO] [stdout]      |
[INFO] [stdout] 1154 | /         match state {
[INFO] [stdout] 1155 | |             Start => generate_state!(state, 'state_machine, {
[INFO] [stdout] 1156 | |                 l.bit_buf = 0;
[INFO] [stdout] 1157 | |                 l.num_bits = 0;
[INFO] [stdout] ...    |
[INFO] [stdout] 1699 | |             _ => break TINFLStatus::Failed,
[INFO] [stdout] 1700 | |         };
[INFO] [stdout]      | |_________^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]     Checking bytemuck v1.14.0
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `miniz_oxide` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/crossbeam-utils-0.8.17/src/sync/parker.rs:370:25
[INFO] [stdout]     |
[INFO] [stdout] 370 | /                         match self.state.swap(EMPTY, SeqCst) {
[INFO] [stdout] 371 | |                             NOTIFIED | PARKED => return,
[INFO] [stdout] 372 | |                             n => panic!("inconsistent park_timeout state: {}", n),
[INFO] [stdout] 373 | |                         };
[INFO] [stdout]     | |_________________________^ cannot infer type
[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 E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `crossbeam-utils` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "ce08c3eddaf4d2d09530662e8b98fb23b6ee3cf53f60dbb78a88b9e50efd1ef0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce08c3eddaf4d2d09530662e8b98fb23b6ee3cf53f60dbb78a88b9e50efd1ef0", kill_on_drop: false }`
[INFO] [stdout] ce08c3eddaf4d2d09530662e8b98fb23b6ee3cf53f60dbb78a88b9e50efd1ef0