[INFO] cloning repository https://github.com/zsiegel/rustgrep
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zsiegel/rustgrep" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzsiegel%2Frustgrep", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzsiegel%2Frustgrep'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fbcc0642347c1d92a3d2b449e59ebc7d358721c4
[INFO] checking zsiegel/rustgrep against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzsiegel%2Frustgrep" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zsiegel/rustgrep 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/zsiegel/rustgrep
[INFO] finished tweaking git repo https://github.com/zsiegel/rustgrep
[INFO] tweaked toml for git repo https://github.com/zsiegel/rustgrep written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/zsiegel/rustgrep 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-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 7c8f8090c44c3b9151d4378d56b82627f9834ccb83e235820b6ff232ccd4a2bd
[INFO] running `Command { std: "docker" "start" "-a" "7c8f8090c44c3b9151d4378d56b82627f9834ccb83e235820b6ff232ccd4a2bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c8f8090c44c3b9151d4378d56b82627f9834ccb83e235820b6ff232ccd4a2bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c8f8090c44c3b9151d4378d56b82627f9834ccb83e235820b6ff232ccd4a2bd", kill_on_drop: false }`
[INFO] [stdout] 7c8f8090c44c3b9151d4378d56b82627f9834ccb83e235820b6ff232ccd4a2bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 0f225cb141968af0c1a65b2fc5747b4bc72a7e0d0cb0713e4abb358b04b5a02f
[INFO] running `Command { std: "docker" "start" "-a" "0f225cb141968af0c1a65b2fc5747b4bc72a7e0d0cb0713e4abb358b04b5a02f", kill_on_drop: false }`
[INFO] [stderr]     Checking rustgrep v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/lib.rs:88:27
[INFO] [stdout]    |
[INFO] [stdout] 88 |             search(query, contents)
[INFO] [stdout]    |             ------        ^^^^^^^^ types differ in mutability
[INFO] [stdout]    |             |
[INFO] [stdout]    |             arguments to this function are incorrect
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected mutable reference `&mut BufReader<File>`
[INFO] [stdout]                       found reference `&str`
[INFO] [stdout] note: function defined here
[INFO] [stdout]   --> src/lib.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub fn search<'a>(query: &str, reader: &mut BufReader<File>) -> Vec<SearchResult> {
[INFO] [stdout]    |        ^^^^^^                  ----------------------------
[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] [stderr] error: could not compile `rustgrep` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "0f225cb141968af0c1a65b2fc5747b4bc72a7e0d0cb0713e4abb358b04b5a02f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f225cb141968af0c1a65b2fc5747b4bc72a7e0d0cb0713e4abb358b04b5a02f", kill_on_drop: false }`
[INFO] [stdout] 0f225cb141968af0c1a65b2fc5747b4bc72a7e0d0cb0713e4abb358b04b5a02f
[INFO] checking zsiegel/rustgrep against try#dae34b759e282c069aa28752564694effd121a63 for pr-125384
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzsiegel%2Frustgrep" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zsiegel/rustgrep 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/zsiegel/rustgrep
[INFO] finished tweaking git repo https://github.com/zsiegel/rustgrep
[INFO] tweaked toml for git repo https://github.com/zsiegel/rustgrep written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/zsiegel/rustgrep 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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 699478b639e9ff16537bb57ae41d81f0d4c583b3dca925bb2fa50c2b9d80745d
[INFO] running `Command { std: "docker" "start" "-a" "699478b639e9ff16537bb57ae41d81f0d4c583b3dca925bb2fa50c2b9d80745d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "699478b639e9ff16537bb57ae41d81f0d4c583b3dca925bb2fa50c2b9d80745d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "699478b639e9ff16537bb57ae41d81f0d4c583b3dca925bb2fa50c2b9d80745d", kill_on_drop: false }`
[INFO] [stdout] 699478b639e9ff16537bb57ae41d81f0d4c583b3dca925bb2fa50c2b9d80745d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] e7fdef39348911cdc89180424262be43ab717b7531c749057fb5675f615550e3
[INFO] running `Command { std: "docker" "start" "-a" "e7fdef39348911cdc89180424262be43ab717b7531c749057fb5675f615550e3", 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" "e7fdef39348911cdc89180424262be43ab717b7531c749057fb5675f615550e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7fdef39348911cdc89180424262be43ab717b7531c749057fb5675f615550e3", kill_on_drop: false }`
[INFO] [stdout] e7fdef39348911cdc89180424262be43ab717b7531c749057fb5675f615550e3