[INFO] updating cached repository https://github.com/PurpleMyst/zfz
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 80ffa8ba6689bd890f620c31e19a2bee81dfe018
[INFO] checking PurpleMyst/zfz against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPurpleMyst%2Fzfz" "/workspace/builds/worker-3/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/PurpleMyst/zfz on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/PurpleMyst/zfz
[INFO] finished tweaking git repo https://github.com/PurpleMyst/zfz
[INFO] tweaked toml for git repo https://github.com/PurpleMyst/zfz written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/PurpleMyst/zfz already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 341cdb772c8d47ce49eaaedc58bef792f15b16e3bd8f2928931ab577aed05d79
[INFO] running `"docker" "start" "-a" "341cdb772c8d47ce49eaaedc58bef792f15b16e3bd8f2928931ab577aed05d79"`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]     Checking zfz v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variant is never constructed: `Bold`
[INFO] [stderr]   --> src/ui/ansi.rs:57:9
[INFO] [stderr]    |
[INFO] [stderr] 57 |         Bold(u8),
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Cube`
[INFO] [stderr]   --> src/ui/ansi.rs:62:9
[INFO] [stderr]    |
[INFO] [stderr] 62 |         Cube(u8, u8, u8),
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Grayscale`
[INFO] [stderr]   --> src/ui/ansi.rs:65:9
[INFO] [stderr]    |
[INFO] [stderr] 65 |         Grayscale(u8),
[INFO] [stderr]    |         ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `True`
[INFO] [stderr]   --> src/ui/ansi.rs:68:9
[INFO] [stderr]    |
[INFO] [stderr] 68 |         True(u8, u8, u8),
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Foreground`
[INFO] [stderr]    --> src/ui/ansi.rs:123:9
[INFO] [stderr]     |
[INFO] [stderr] 123 |         Foreground(Color),
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Bold`
[INFO] [stderr]   --> src/ui/ansi.rs:57:9
[INFO] [stderr]    |
[INFO] [stderr] 57 |         Bold(u8),
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Cube`
[INFO] [stderr]   --> src/ui/ansi.rs:62:9
[INFO] [stderr]    |
[INFO] [stderr] 62 |         Cube(u8, u8, u8),
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Grayscale`
[INFO] [stderr]   --> src/ui/ansi.rs:65:9
[INFO] [stderr]    |
[INFO] [stderr] 65 |         Grayscale(u8),
[INFO] [stderr]    |         ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `True`
[INFO] [stderr]   --> src/ui/ansi.rs:68:9
[INFO] [stderr]    |
[INFO] [stderr] 68 |         True(u8, u8, u8),
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Foreground`
[INFO] [stderr]    --> src/ui/ansi.rs:123:9
[INFO] [stderr]     |
[INFO] [stderr] 123 |         Foreground(Color),
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.08s
[INFO] running `"docker" "inspect" "341cdb772c8d47ce49eaaedc58bef792f15b16e3bd8f2928931ab577aed05d79"`
[INFO] running `"docker" "rm" "-f" "341cdb772c8d47ce49eaaedc58bef792f15b16e3bd8f2928931ab577aed05d79"`
[INFO] [stdout] 341cdb772c8d47ce49eaaedc58bef792f15b16e3bd8f2928931ab577aed05d79