[INFO] cloning repository https://github.com/mbbxAdam/minigrep
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mbbxAdam/minigrep" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FmbbxAdam%2Fminigrep", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FmbbxAdam%2Fminigrep'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c16d0309e9cc9e1b302d5f3c6e8f4bd00321fcf1
[INFO] checking mbbxAdam/minigrep against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FmbbxAdam%2Fminigrep" "/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/mbbxAdam/minigrep on toolchain 506512391b1a75ae450d36c9420978402a91abcc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mbbxAdam/minigrep
[INFO] finished tweaking git repo https://github.com/mbbxAdam/minigrep
[INFO] tweaked toml for git repo https://github.com/mbbxAdam/minigrep written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/mbbxAdam/minigrep 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" "+506512391b1a75ae450d36c9420978402a91abcc" "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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 32b9c5d00a05c6b11bca45f2ab3c54da7ee14e4af115e597f028a68c243f74ab
[INFO] running `Command { std: "docker" "start" "-a" "32b9c5d00a05c6b11bca45f2ab3c54da7ee14e4af115e597f028a68c243f74ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "32b9c5d00a05c6b11bca45f2ab3c54da7ee14e4af115e597f028a68c243f74ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32b9c5d00a05c6b11bca45f2ab3c54da7ee14e4af115e597f028a68c243f74ab", kill_on_drop: false }`
[INFO] [stdout] 32b9c5d00a05c6b11bca45f2ab3c54da7ee14e4af115e597f028a68c243f74ab
[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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b7a1d94617a6d3ebafe64762e7984dd14e4c561236fc163b90f41c762c41153d
[INFO] running `Command { std: "docker" "start" "-a" "b7a1d94617a6d3ebafe64762e7984dd14e4c561236fc163b90f41c762c41153d", kill_on_drop: false }`
[INFO] [stderr]     Checking minigrep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:20:27
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn run(config: Config) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |    ---                    ^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `Result<(), Box<dyn Error>>`, found `()`
[INFO] [stdout]    |    |
[INFO] [stdout]    |    implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout]    |
[INFO] [stdout]    = note:   expected enum `Result<(), Box<(dyn std::error::Error + 'static)>>`
[INFO] [stdout]            found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:20:27
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn run(config: Config) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |    ---                    ^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `Result<(), Box<dyn Error>>`, found `()`
[INFO] [stdout]    |    |
[INFO] [stdout]    |    implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout]    |
[INFO] [stdout]    = note:   expected enum `Result<(), Box<(dyn std::error::Error + 'static)>>`
[INFO] [stdout]            found unit 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 E0308`.
[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 E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `minigrep` (bin "minigrep") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `minigrep` (bin "minigrep" test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "b7a1d94617a6d3ebafe64762e7984dd14e4c561236fc163b90f41c762c41153d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7a1d94617a6d3ebafe64762e7984dd14e4c561236fc163b90f41c762c41153d", kill_on_drop: false }`
[INFO] [stdout] b7a1d94617a6d3ebafe64762e7984dd14e4c561236fc163b90f41c762c41153d
[INFO] checking mbbxAdam/minigrep against try#dae34b759e282c069aa28752564694effd121a63 for pr-125384
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FmbbxAdam%2Fminigrep" "/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/mbbxAdam/minigrep on toolchain dae34b759e282c069aa28752564694effd121a63
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mbbxAdam/minigrep
[INFO] finished tweaking git repo https://github.com/mbbxAdam/minigrep
[INFO] tweaked toml for git repo https://github.com/mbbxAdam/minigrep written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/mbbxAdam/minigrep 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" "+dae34b759e282c069aa28752564694effd121a63" "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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 548c0dcb249fd40f4659b882fb27464053e657847ec1922d733a35fc52ac595a
[INFO] running `Command { std: "docker" "start" "-a" "548c0dcb249fd40f4659b882fb27464053e657847ec1922d733a35fc52ac595a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "548c0dcb249fd40f4659b882fb27464053e657847ec1922d733a35fc52ac595a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "548c0dcb249fd40f4659b882fb27464053e657847ec1922d733a35fc52ac595a", kill_on_drop: false }`
[INFO] [stdout] 548c0dcb249fd40f4659b882fb27464053e657847ec1922d733a35fc52ac595a
[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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c725eb0f5d25a09996b91ba3c06f2cd3b2bac3f0bfa581d7d5df20555e8b6bb
[INFO] running `Command { std: "docker" "start" "-a" "3c725eb0f5d25a09996b91ba3c06f2cd3b2bac3f0bfa581d7d5df20555e8b6bb", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] no edition found in manifest, probably 2015, skipping
[INFO] running `Command { std: "docker" "inspect" "3c725eb0f5d25a09996b91ba3c06f2cd3b2bac3f0bfa581d7d5df20555e8b6bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c725eb0f5d25a09996b91ba3c06f2cd3b2bac3f0bfa581d7d5df20555e8b6bb", kill_on_drop: false }`
[INFO] [stdout] 3c725eb0f5d25a09996b91ba3c06f2cd3b2bac3f0bfa581d7d5df20555e8b6bb