[INFO] cloning repository https://github.com/zelenyhleb/bmp8bit
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zelenyhleb/bmp8bit" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzelenyhleb%2Fbmp8bit", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzelenyhleb%2Fbmp8bit'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7f7b6988959282fce7a0aa41cbd22adf6b4dde96
[INFO] checking zelenyhleb/bmp8bit against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzelenyhleb%2Fbmp8bit" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zelenyhleb/bmp8bit on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/zelenyhleb/bmp8bit
[INFO] finished tweaking git repo https://github.com/zelenyhleb/bmp8bit
[INFO] tweaked toml for git repo https://github.com/zelenyhleb/bmp8bit written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/zelenyhleb/bmp8bit 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ce46f7aab227a7f295662e393f1e8c67bfef32d14d39f61cb1fdfa6ca4b029d4
[INFO] running `Command { std: "docker" "start" "-a" "ce46f7aab227a7f295662e393f1e8c67bfef32d14d39f61cb1fdfa6ca4b029d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce46f7aab227a7f295662e393f1e8c67bfef32d14d39f61cb1fdfa6ca4b029d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce46f7aab227a7f295662e393f1e8c67bfef32d14d39f61cb1fdfa6ca4b029d4", kill_on_drop: false }`
[INFO] [stdout] ce46f7aab227a7f295662e393f1e8c67bfef32d14d39f61cb1fdfa6ca4b029d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dd81d1434eb150a76cb8be97a47f92ffa6377256ca88384e32b0cc499c6aba48
[INFO] running `Command { std: "docker" "start" "-a" "dd81d1434eb150a76cb8be97a47f92ffa6377256ca88384e32b0cc499c6aba48", kill_on_drop: false }`
[INFO] [stderr]     Checking simd-adler32 v0.3.7
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]     Checking half v2.3.1
[INFO] [stderr]     Checking bytemuck v1.14.2
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking bit_field v0.10.2
[INFO] [stderr]     Checking lebe v0.5.2
[INFO] [stderr]     Checking rayon v1.8.1
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]     Checking zune-inflate v0.2.54
[INFO] [stderr]     Checking flume v0.11.0
[INFO] [stderr]     Checking fdeflate v0.3.4
[INFO] [stderr]     Checking smallvec v1.13.1
[INFO] [stderr]     Checking qoi v0.4.1
[INFO] [stderr]     Checking gif v0.12.0
[INFO] [stderr]     Checking itertools v0.12.1
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]     Checking exr v1.72.0
[INFO] [stderr]     Checking png v0.17.11
[INFO] [stderr]     Checking jpeg-decoder v0.3.1
[INFO] [stderr]     Checking tiff v0.9.1
[INFO] [stderr]     Checking image v0.24.8
[INFO] [stderr]     Checking bmp8bit v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `bmp8bit` is imported redundantly
[INFO] [stdout]  --> tests/regression_testing.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | use bmp8bit::{self, bytes_8bit, color_tables::windows_color_table::windows_color_table};
[INFO] [stdout]   |               ^^^^ the item `bmp8bit` 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.00s
[INFO] running `Command { std: "docker" "inspect" "dd81d1434eb150a76cb8be97a47f92ffa6377256ca88384e32b0cc499c6aba48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd81d1434eb150a76cb8be97a47f92ffa6377256ca88384e32b0cc499c6aba48", kill_on_drop: false }`
[INFO] [stdout] dd81d1434eb150a76cb8be97a47f92ffa6377256ca88384e32b0cc499c6aba48
[INFO] checking zelenyhleb/bmp8bit against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzelenyhleb%2Fbmp8bit" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zelenyhleb/bmp8bit on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/zelenyhleb/bmp8bit
[INFO] finished tweaking git repo https://github.com/zelenyhleb/bmp8bit
[INFO] tweaked toml for git repo https://github.com/zelenyhleb/bmp8bit written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/zelenyhleb/bmp8bit 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1f868614a07d8d88fd2f895a7d4c142c1ecf971b93bbe6fe12c3b80053989b6c
[INFO] running `Command { std: "docker" "start" "-a" "1f868614a07d8d88fd2f895a7d4c142c1ecf971b93bbe6fe12c3b80053989b6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f868614a07d8d88fd2f895a7d4c142c1ecf971b93bbe6fe12c3b80053989b6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f868614a07d8d88fd2f895a7d4c142c1ecf971b93bbe6fe12c3b80053989b6c", kill_on_drop: false }`
[INFO] [stdout] 1f868614a07d8d88fd2f895a7d4c142c1ecf971b93bbe6fe12c3b80053989b6c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c0d3083546a9b8578fd0b3647e3f73b5bf03aca0da20fafc88e0cb22d4433bf5
[INFO] running `Command { std: "docker" "start" "-a" "c0d3083546a9b8578fd0b3647e3f73b5bf03aca0da20fafc88e0cb22d4433bf5", kill_on_drop: false }`
[INFO] [stderr]     Checking simd-adler32 v0.3.7
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]     Checking half v2.3.1
[INFO] [stderr]     Checking bytemuck v1.14.2
[INFO] [stderr]     Checking smallvec v1.13.1
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking lebe v0.5.2
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]     Checking zune-inflate v0.2.54
[INFO] [stderr]     Checking rayon v1.8.1
[INFO] [stderr]     Checking fdeflate v0.3.4
[INFO] [stderr]     Checking flume v0.11.0
[INFO] [stderr]     Checking bit_field v0.10.2
[INFO] [stderr]     Checking gif v0.12.0
[INFO] [stderr]     Checking qoi v0.4.1
[INFO] [stderr]     Checking itertools v0.12.1
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]     Checking exr v1.72.0
[INFO] [stderr]     Checking png v0.17.11
[INFO] [stderr]     Checking jpeg-decoder v0.3.1
[INFO] [stderr]     Checking tiff v0.9.1
[INFO] [stderr]     Checking image v0.24.8
[INFO] [stderr]     Checking bmp8bit v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `bmp8bit` is imported redundantly
[INFO] [stdout]  --> tests/regression_testing.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | use bmp8bit::{self, bytes_8bit, color_tables::windows_color_table::windows_color_table};
[INFO] [stdout]   |               ^^^^ the item `bmp8bit` 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.39s
[INFO] running `Command { std: "docker" "inspect" "c0d3083546a9b8578fd0b3647e3f73b5bf03aca0da20fafc88e0cb22d4433bf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0d3083546a9b8578fd0b3647e3f73b5bf03aca0da20fafc88e0cb22d4433bf5", kill_on_drop: false }`
[INFO] [stdout] c0d3083546a9b8578fd0b3647e3f73b5bf03aca0da20fafc88e0cb22d4433bf5