[INFO] cloning repository https://github.com/Nakamurus/rust_minigrep [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Nakamurus/rust_minigrep" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNakamurus%2Frust_minigrep", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNakamurus%2Frust_minigrep'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 2a16088428f3ec22196aad4cfc8f91af8d212942 [INFO] checking Nakamurus/rust_minigrep against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNakamurus%2Frust_minigrep" "/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/Nakamurus/rust_minigrep on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Nakamurus/rust_minigrep [INFO] finished tweaking git repo https://github.com/Nakamurus/rust_minigrep [INFO] tweaked toml for git repo https://github.com/Nakamurus/rust_minigrep written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/Nakamurus/rust_minigrep already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1727be02821b74fb33999877e4a0e59f0f971e6c91b350388ab01db41af935cd [INFO] running `Command { std: "docker" "start" "-a" "1727be02821b74fb33999877e4a0e59f0f971e6c91b350388ab01db41af935cd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1727be02821b74fb33999877e4a0e59f0f971e6c91b350388ab01db41af935cd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1727be02821b74fb33999877e4a0e59f0f971e6c91b350388ab01db41af935cd", kill_on_drop: false }` [INFO] [stdout] 1727be02821b74fb33999877e4a0e59f0f971e6c91b350388ab01db41af935cd [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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3ad47f05a62d0b0a585dfc90569fc28e633bec9045e7a0d5e59c51b1923f21af [INFO] running `Command { std: "docker" "start" "-a" "3ad47f05a62d0b0a585dfc90569fc28e633bec9045e7a0d5e59c51b1923f21af", kill_on_drop: false }` [INFO] [stderr] Copying to /tmp/fixit [INFO] [stderr] Running `cargo fix --edition` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking minigrep v0.1.0 (/tmp/fixit) [INFO] [stderr] Migrating src/lib.rs from 2018 edition to 2021 [INFO] [stdout] error: expected expression, found `.` [INFO] [stdout] --> src/lib.rs:16:26 [INFO] [stdout] | [INFO] [stdout] 16 | let query = match.args.next() { [INFO] [stdout] | -----^ expected expression [INFO] [stdout] | | [INFO] [stdout] | while parsing this match expression [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::env` [INFO] [stdout] --> src/lib.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::env; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:46:46 [INFO] [stdout] | [INFO] [stdout] 46 | pub fn run(config: Config) -> Result<(), Box> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] | [INFO] [stdout] = note: `--force-warn bare-trait-objects` implied by `--force-warn rust-2021-compatibility` [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/lib.rs:79:10 [INFO] [stdout] | [INFO] [stdout] 76 | pub fn search_case_insensitive<'a>(query: &str, contents: &'a str) -> Vec<&'a [INFO] [stdout] | _______________________________________________________________________- [INFO] [stdout] 77 | | str> { [INFO] [stdout] | |_________- expected `Vec<&'a str>` because of return type [INFO] [stdout] 78 | let query = query.to_lowercase(); [INFO] [stdout] 79 | / contents.lines() [INFO] [stdout] 80 | | .filter(|line| line.to_lowercase().contains(&query)) [INFO] [stdout] | |_________________________________________________________________^ expected struct `Vec`, found struct `Filter` [INFO] [stdout] | [INFO] [stdout] = note: expected struct `Vec<&'a str>` [INFO] [stdout] found struct `Filter, [closure@src/lib.rs:80:22: 80:65]>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 2 warnings 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 `minigrep` due to 3 previous errors; 2 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: expected expression, found `.` [INFO] [stdout] --> src/lib.rs:16:26 [INFO] [stdout] | [INFO] [stdout] 16 | let query = match.args.next() { [INFO] [stdout] | -----^ expected expression [INFO] [stdout] | | [INFO] [stdout] | while parsing this match expression [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::env` [INFO] [stdout] --> src/lib.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::env; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:46:46 [INFO] [stdout] | [INFO] [stdout] 46 | pub fn run(config: Config) -> Result<(), Box> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] | [INFO] [stdout] = note: `--force-warn bare-trait-objects` implied by `--force-warn rust-2021-compatibility` [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/lib.rs:79:10 [INFO] [stdout] | [INFO] [stdout] 76 | pub fn search_case_insensitive<'a>(query: &str, contents: &'a str) -> Vec<&'a [INFO] [stdout] | _______________________________________________________________________- [INFO] [stdout] 77 | | str> { [INFO] [stdout] | |_________- expected `Vec<&'a str>` because of return type [INFO] [stdout] 78 | let query = query.to_lowercase(); [INFO] [stdout] 79 | / contents.lines() [INFO] [stdout] 80 | | .filter(|line| line.to_lowercase().contains(&query)) [INFO] [stdout] | |_________________________________________________________________^ expected struct `Vec`, found struct `Filter` [INFO] [stdout] | [INFO] [stdout] = note: expected struct `Vec<&'a str>` [INFO] [stdout] found struct `Filter, [closure@src/lib.rs:80:22: 80:65]>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0308`. [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] [stderr] error: failed to migrate to next edition [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `cargo fix --edition --allow-no-vcs --allow-dirty --frozen --all --all-targets --message-format=json` (exit status: 101) [INFO] running `Command { std: "docker" "inspect" "3ad47f05a62d0b0a585dfc90569fc28e633bec9045e7a0d5e59c51b1923f21af", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3ad47f05a62d0b0a585dfc90569fc28e633bec9045e7a0d5e59c51b1923f21af", kill_on_drop: false }` [INFO] [stdout] 3ad47f05a62d0b0a585dfc90569fc28e633bec9045e7a0d5e59c51b1923f21af