[INFO] cloning repository https://github.com/andresoro/grep [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/andresoro/grep" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandresoro%2Fgrep", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandresoro%2Fgrep'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4f02df315ef8e31b7ab0ba196af2e541d13d342b [INFO] checking andresoro/grep against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandresoro%2Fgrep" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/andresoro/grep on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/andresoro/grep [INFO] finished tweaking git repo https://github.com/andresoro/grep [INFO] tweaked toml for git repo https://github.com/andresoro/grep written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/andresoro/grep 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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4254148d6678f1ae34ca4b5bd4cd538c951aa8dea446533bf644284fb99cdcea [INFO] running `Command { std: "docker" "start" "-a" "4254148d6678f1ae34ca4b5bd4cd538c951aa8dea446533bf644284fb99cdcea", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4254148d6678f1ae34ca4b5bd4cd538c951aa8dea446533bf644284fb99cdcea", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4254148d6678f1ae34ca4b5bd4cd538c951aa8dea446533bf644284fb99cdcea", kill_on_drop: false }` [INFO] [stdout] 4254148d6678f1ae34ca4b5bd4cd538c951aa8dea446533bf644284fb99cdcea [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b612962f26cb67e9588e228a91a9b581d9744a8cce8b21db91915f4be43f7469 [INFO] running `Command { std: "docker" "start" "-a" "b612962f26cb67e9588e228a91a9b581d9744a8cce8b21db91915f4be43f7469", kill_on_drop: false }` [INFO] [stderr] Checking grep v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::fs` [INFO] [stdout] --> src/lib.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::fs; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs` [INFO] [stdout] --> src/lib.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::fs; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/lib.rs:22:31 [INFO] [stdout] | [INFO] [stdout] 22 | pub fn run(config: Config) -> Result<(), Box> { [INFO] [stdout] | --- ^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `Result<(), Box>`, 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; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0308`. [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/lib.rs:22:31 [INFO] [stdout] | [INFO] [stdout] 22 | pub fn run(config: Config) -> Result<(), Box> { [INFO] [stdout] | --- ^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `Result<(), Box>`, 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; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0308`. [INFO] [stdout] [INFO] [stderr] error: could not compile `grep` (lib test) due to 2 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `grep` (lib) due to 2 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "b612962f26cb67e9588e228a91a9b581d9744a8cce8b21db91915f4be43f7469", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b612962f26cb67e9588e228a91a9b581d9744a8cce8b21db91915f4be43f7469", kill_on_drop: false }` [INFO] [stdout] b612962f26cb67e9588e228a91a9b581d9744a8cce8b21db91915f4be43f7469 [INFO] checking andresoro/grep against try#36dbcaee1a55543dfc181be52a69d99ff46ff62f for pr-122960-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandresoro%2Fgrep" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/andresoro/grep on toolchain 36dbcaee1a55543dfc181be52a69d99ff46ff62f [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/andresoro/grep [INFO] finished tweaking git repo https://github.com/andresoro/grep [INFO] tweaked toml for git repo https://github.com/andresoro/grep written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/andresoro/grep 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" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 04f8de30d6dba6328c003129ed525fda7a7abccfb73617915fc84c2b7df62a52 [INFO] running `Command { std: "docker" "start" "-a" "04f8de30d6dba6328c003129ed525fda7a7abccfb73617915fc84c2b7df62a52", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "04f8de30d6dba6328c003129ed525fda7a7abccfb73617915fc84c2b7df62a52", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "04f8de30d6dba6328c003129ed525fda7a7abccfb73617915fc84c2b7df62a52", kill_on_drop: false }` [INFO] [stdout] 04f8de30d6dba6328c003129ed525fda7a7abccfb73617915fc84c2b7df62a52 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0334c8f277ebc73fd4bceb5ce95371bbc0c080c85a23c268b8f9a0c5b92892f0 [INFO] running `Command { std: "docker" "start" "-a" "0334c8f277ebc73fd4bceb5ce95371bbc0c080c85a23c268b8f9a0c5b92892f0", kill_on_drop: false }` [INFO] [stderr] Copying to /tmp/fixit [INFO] [stderr] skipping non-2021 edition `2018` [INFO] running `Command { std: "docker" "inspect" "0334c8f277ebc73fd4bceb5ce95371bbc0c080c85a23c268b8f9a0c5b92892f0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0334c8f277ebc73fd4bceb5ce95371bbc0c080c85a23c268b8f9a0c5b92892f0", kill_on_drop: false }` [INFO] [stdout] 0334c8f277ebc73fd4bceb5ce95371bbc0c080c85a23c268b8f9a0c5b92892f0