[INFO] cloning repository https://github.com/frewsxcv/toggle-grayscale
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/frewsxcv/toggle-grayscale" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffrewsxcv%2Ftoggle-grayscale", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffrewsxcv%2Ftoggle-grayscale'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8b0a783af016216237421d592ba3a154c5e542f5
[INFO] checking frewsxcv/toggle-grayscale/8b0a783af016216237421d592ba3a154c5e542f5 against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffrewsxcv%2Ftoggle-grayscale" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/frewsxcv/toggle-grayscale on toolchain f609b7e0586f81fefb3523e3e17adf779ac416be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/frewsxcv/toggle-grayscale
[INFO] finished tweaking git repo https://github.com/frewsxcv/toggle-grayscale
[INFO] tweaked toml for git repo https://github.com/frewsxcv/toggle-grayscale written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/frewsxcv/toggle-grayscale 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" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sysbar v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a6fe0f0d01eb1a06805e0d940eb47f67ac1196a0b6325d8e9a7bb40ea6dbc749
[INFO] running `Command { std: "docker" "start" "-a" "a6fe0f0d01eb1a06805e0d940eb47f67ac1196a0b6325d8e9a7bb40ea6dbc749", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a6fe0f0d01eb1a06805e0d940eb47f67ac1196a0b6325d8e9a7bb40ea6dbc749", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6fe0f0d01eb1a06805e0d940eb47f67ac1196a0b6325d8e9a7bb40ea6dbc749", kill_on_drop: false }`
[INFO] [stdout] a6fe0f0d01eb1a06805e0d940eb47f67ac1196a0b6325d8e9a7bb40ea6dbc749
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b2822d00788f3dbcd4bb7b0cd65e096e4e52208522cd9e4d312e7fdd05a6c67c
[INFO] running `Command { std: "docker" "start" "-a" "b2822d00788f3dbcd4bb7b0cd65e096e4e52208522cd9e4d312e7fdd05a6c67c", kill_on_drop: false }`
[INFO] [stderr]     Checking sysbar v0.2.0
[INFO] [stdout] error[E0412]: cannot find type `SysbarImpl` in this scope
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/sysbar-0.2.0/src/lib.rs:8:19
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Sysbar(SysbarImpl);
[INFO] [stdout]   |                   ^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `SysbarImpl`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/sysbar-0.2.0/src/lib.rs:12:16
[INFO] [stdout]    |
[INFO] [stdout] 12 |         Sysbar(SysbarImpl::new(name))
[INFO] [stdout]    |                ^^^^^^^^^^ use of undeclared type `SysbarImpl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sysbar` (lib) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "b2822d00788f3dbcd4bb7b0cd65e096e4e52208522cd9e4d312e7fdd05a6c67c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2822d00788f3dbcd4bb7b0cd65e096e4e52208522cd9e4d312e7fdd05a6c67c", kill_on_drop: false }`
[INFO] [stdout] b2822d00788f3dbcd4bb7b0cd65e096e4e52208522cd9e4d312e7fdd05a6c67c