[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 master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNakamurus%2Frust_minigrep" "/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/Nakamurus/rust_minigrep 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/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-4-tc1/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: 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] 68a8f2477ab500e11216c85ea67a6bf8ac28e64d628b5d58cdce96ffeeeb8a1e
[INFO] running `Command { std: "docker" "start" "-a" "68a8f2477ab500e11216c85ea67a6bf8ac28e64d628b5d58cdce96ffeeeb8a1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "68a8f2477ab500e11216c85ea67a6bf8ac28e64d628b5d58cdce96ffeeeb8a1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68a8f2477ab500e11216c85ea67a6bf8ac28e64d628b5d58cdce96ffeeeb8a1e", kill_on_drop: false }`
[INFO] [stdout] 68a8f2477ab500e11216c85ea67a6bf8ac28e64d628b5d58cdce96ffeeeb8a1e
[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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f518895c1fe933eedd24a77302bfa1ff27cdbb7c8581617c1c29654b12157b93
[INFO] running `Command { std: "docker" "start" "-a" "f518895c1fe933eedd24a77302bfa1ff27cdbb7c8581617c1c29654b12157b93", kill_on_drop: false }`
[INFO] [stderr]     Checking minigrep v0.1.0 (/opt/rustwide/workdir)
[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] 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] 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 `Vec<&str>`, found `Filter<Lines<'_>, ...>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected struct `Vec<&'a str>`
[INFO] [stdout]               found struct `Filter<std::str::Lines<'_>, {closure@src/lib.rs:80:22: 80:28}>`
[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 `Vec<&str>`, found `Filter<Lines<'_>, ...>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected struct `Vec<&'a str>`
[INFO] [stdout]               found struct `Filter<std::str::Lines<'_>, {closure@src/lib.rs:80:22: 80:28}>`
[INFO] [stdout] 
[INFO] [stdout] 
[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] [stderr] error: could not compile `minigrep` (lib) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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] [stderr] error: could not compile `minigrep` (lib test) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "f518895c1fe933eedd24a77302bfa1ff27cdbb7c8581617c1c29654b12157b93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f518895c1fe933eedd24a77302bfa1ff27cdbb7c8581617c1c29654b12157b93", kill_on_drop: false }`
[INFO] [stdout] f518895c1fe933eedd24a77302bfa1ff27cdbb7c8581617c1c29654b12157b93
[INFO] checking Nakamurus/rust_minigrep against try#36dbcaee1a55543dfc181be52a69d99ff46ff62f for pr-122960-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNakamurus%2Frust_minigrep" "/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/Nakamurus/rust_minigrep 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/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-4-tc2/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: 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] 2c6a267939d52a2a12c4145af0fd3a93cf3b9f31bdc9495095a5234cc4709c80
[INFO] running `Command { std: "docker" "start" "-a" "2c6a267939d52a2a12c4145af0fd3a93cf3b9f31bdc9495095a5234cc4709c80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c6a267939d52a2a12c4145af0fd3a93cf3b9f31bdc9495095a5234cc4709c80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c6a267939d52a2a12c4145af0fd3a93cf3b9f31bdc9495095a5234cc4709c80", kill_on_drop: false }`
[INFO] [stdout] 2c6a267939d52a2a12c4145af0fd3a93cf3b9f31bdc9495095a5234cc4709c80
[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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a14ca2d2924e24118940c56254755e7d7cb9d8c1d10705ea674a99da90f27ff7
[INFO] running `Command { std: "docker" "start" "-a" "a14ca2d2924e24118940c56254755e7d7cb9d8c1d10705ea674a99da90f27ff7", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] skipping non-2021 edition `2018`
[INFO] running `Command { std: "docker" "inspect" "a14ca2d2924e24118940c56254755e7d7cb9d8c1d10705ea674a99da90f27ff7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a14ca2d2924e24118940c56254755e7d7cb9d8c1d10705ea674a99da90f27ff7", kill_on_drop: false }`
[INFO] [stdout] a14ca2d2924e24118940c56254755e7d7cb9d8c1d10705ea674a99da90f27ff7