[INFO] cloning repository https://github.com/hu3d4/textcompression-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hu3d4/textcompression-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhu3d4%2Ftextcompression-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhu3d4%2Ftextcompression-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fa5836e6aea3e58fdb3d95a46b1bf281b6a6e291
[INFO] checking hu3d4/textcompression-rs against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhu3d4%2Ftextcompression-rs" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hu3d4/textcompression-rs on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hu3d4/textcompression-rs
[INFO] finished tweaking git repo https://github.com/hu3d4/textcompression-rs
[INFO] tweaked toml for git repo https://github.com/hu3d4/textcompression-rs written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/hu3d4/textcompression-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4a3b53e23de6c6547dd9d446c8ccb29ce09085ffb1e2c2e9642fad0a0ea36595
[INFO] running `Command { std: "docker" "start" "-a" "4a3b53e23de6c6547dd9d446c8ccb29ce09085ffb1e2c2e9642fad0a0ea36595", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4a3b53e23de6c6547dd9d446c8ccb29ce09085ffb1e2c2e9642fad0a0ea36595", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a3b53e23de6c6547dd9d446c8ccb29ce09085ffb1e2c2e9642fad0a0ea36595", kill_on_drop: false }`
[INFO] [stdout] 4a3b53e23de6c6547dd9d446c8ccb29ce09085ffb1e2c2e9642fad0a0ea36595
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b2ae1846de3dea025ba049b98dc3beeb88fd8854fb56cb9f9868bf791b29b4aa
[INFO] running `Command { std: "docker" "start" "-a" "b2ae1846de3dea025ba049b98dc3beeb88fd8854fb56cb9f9868bf791b29b4aa", kill_on_drop: false }`
[INFO] [stderr]     Checking filecompression v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/main.rs:111:48
[INFO] [stdout]     |
[INFO] [stdout] 111 |                     let v = (self.calculation)(i);
[INFO] [stdout]     |                                                ^ expected `str`, found `u8`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected reference `&str`
[INFO] [stdout]                found reference `&u8`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/main.rs:112:34
[INFO] [stdout]     |
[INFO] [stdout] 112 |                     self.value = Some(v);
[INFO] [stdout]     |                                  ^^^^^^^ expected struct `Vec`, found enum `Option`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected struct `Vec<Option<Box<str>>>`
[INFO] [stdout]                  found enum `Option<&str>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `filecompression`
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/main.rs:111:48
[INFO] [stdout]     |
[INFO] [stdout] 111 |                     let v = (self.calculation)(i);
[INFO] [stdout]     |                                                ^ expected `str`, found `u8`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected reference `&str`
[INFO] [stdout]                found reference `&u8`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/main.rs:112:34
[INFO] [stdout]     |
[INFO] [stdout] 112 |                     self.value = Some(v);
[INFO] [stdout]     |                                  ^^^^^^^ expected struct `Vec`, found enum `Option`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected struct `Vec<Option<Box<str>>>`
[INFO] [stdout]                  found enum `Option<&str>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b2ae1846de3dea025ba049b98dc3beeb88fd8854fb56cb9f9868bf791b29b4aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2ae1846de3dea025ba049b98dc3beeb88fd8854fb56cb9f9868bf791b29b4aa", kill_on_drop: false }`
[INFO] [stdout] b2ae1846de3dea025ba049b98dc3beeb88fd8854fb56cb9f9868bf791b29b4aa