[INFO] cloning repository https://github.com/danielq987/minigrep [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/danielq987/minigrep" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanielq987%2Fminigrep", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanielq987%2Fminigrep'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c21b6b240e9e21dfed871e373b8e66f1e59926bb [INFO] checking danielq987/minigrep against master#7606c13961ddc1174b70638e934df0439b7dc515 for pr-121979 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanielq987%2Fminigrep" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/danielq987/minigrep on toolchain 7606c13961ddc1174b70638e934df0439b7dc515 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7606c13961ddc1174b70638e934df0439b7dc515" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/danielq987/minigrep [INFO] finished tweaking git repo https://github.com/danielq987/minigrep [INFO] tweaked toml for git repo https://github.com/danielq987/minigrep written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/danielq987/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" "+7606c13961ddc1174b70638e934df0439b7dc515" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [ERROR] this task or one of its parent failed! [ERROR] no output for 300 seconds [ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace. [INFO] checking danielq987/minigrep against try#ae973628c64ab60398819bcc1fd9f08ae68ad5b5 for pr-121979 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanielq987%2Fminigrep" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/danielq987/minigrep on toolchain ae973628c64ab60398819bcc1fd9f08ae68ad5b5 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ae973628c64ab60398819bcc1fd9f08ae68ad5b5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/danielq987/minigrep [INFO] finished tweaking git repo https://github.com/danielq987/minigrep [INFO] tweaked toml for git repo https://github.com/danielq987/minigrep written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/danielq987/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" "+ae973628c64ab60398819bcc1fd9f08ae68ad5b5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+ae973628c64ab60398819bcc1fd9f08ae68ad5b5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] de33440aac5cadd58c9b53e5d69ec509fdcfce6faa9ee2ee7776e4a8648cf3d5 [INFO] running `Command { std: "docker" "start" "-a" "de33440aac5cadd58c9b53e5d69ec509fdcfce6faa9ee2ee7776e4a8648cf3d5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "de33440aac5cadd58c9b53e5d69ec509fdcfce6faa9ee2ee7776e4a8648cf3d5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "de33440aac5cadd58c9b53e5d69ec509fdcfce6faa9ee2ee7776e4a8648cf3d5", kill_on_drop: false }` [INFO] [stdout] de33440aac5cadd58c9b53e5d69ec509fdcfce6faa9ee2ee7776e4a8648cf3d5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+ae973628c64ab60398819bcc1fd9f08ae68ad5b5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 21e274a100464b3fe7eba988b3a76e1d9c4d809363a09e31a310230644aaa27c [INFO] running `Command { std: "docker" "start" "-a" "21e274a100464b3fe7eba988b3a76e1d9c4d809363a09e31a310230644aaa27c", kill_on_drop: false }` [INFO] [stderr] Checking minigrep v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0515]: cannot return value referencing temporary value [INFO] [stdout] --> src/lib.rs:32:5 [INFO] [stdout] | [INFO] [stdout] 20 | let c: &str = &contents.to_lowercase(); [INFO] [stdout] | ----------------------- temporary value created here [INFO] [stdout] ... [INFO] [stdout] 32 | matched_strings [INFO] [stdout] | ^^^^^^^^^^^^^^^ returns a value referencing data owned by the current function [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 E0515`. [INFO] [stdout] [INFO] [stdout] error[E0061]: this function takes 3 arguments but 2 arguments were supplied [INFO] [stdout] --> src/lib.rs:107:55 [INFO] [stdout] | [INFO] [stdout] 107 | assert_eq!(vec!["duct three.", "Duct tape."], search(query, contents)); [INFO] [stdout] | ^^^^^^----------------- an argument of type `bool` is missing [INFO] [stdout] | [INFO] [stdout] note: function defined here [INFO] [stdout] --> src/lib.rs:13:8 [INFO] [stdout] | [INFO] [stdout] 13 | pub fn search<'a>(query: &str, contents: &'a str, case_sensitive: bool) -> Vec<&'a str> { [INFO] [stdout] | ^^^^^^ ----------- ----------------- -------------------- [INFO] [stdout] help: provide the argument [INFO] [stdout] | [INFO] [stdout] 107 | assert_eq!(vec!["duct three.", "Duct tape."], search(query, contents, /* bool */)); [INFO] [stdout] | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `minigrep` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error[E0061]: this function takes 3 arguments but 2 arguments were supplied [INFO] [stdout] --> src/lib.rs:117:53 [INFO] [stdout] | [INFO] [stdout] 117 | assert_eq!(vec!["safe, fast, productive."], search(query, contents)); [INFO] [stdout] | ^^^^^^----------------- an argument of type `bool` is missing [INFO] [stdout] | [INFO] [stdout] note: function defined here [INFO] [stdout] --> src/lib.rs:13:8 [INFO] [stdout] | [INFO] [stdout] 13 | pub fn search<'a>(query: &str, contents: &'a str, case_sensitive: bool) -> Vec<&'a str> { [INFO] [stdout] | ^^^^^^ ----------- ----------------- -------------------- [INFO] [stdout] help: provide the argument [INFO] [stdout] | [INFO] [stdout] 117 | assert_eq!(vec!["safe, fast, productive."], search(query, contents, /* bool */)); [INFO] [stdout] | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0515]: cannot return value referencing temporary value [INFO] [stdout] --> src/lib.rs:32:5 [INFO] [stdout] | [INFO] [stdout] 20 | let c: &str = &contents.to_lowercase(); [INFO] [stdout] | ----------------------- temporary value created here [INFO] [stdout] ... [INFO] [stdout] 32 | matched_strings [INFO] [stdout] | ^^^^^^^^^^^^^^^ returns a value referencing data owned by the current function [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0061, E0515. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0061`. [INFO] [stdout] [INFO] [stderr] error: could not compile `minigrep` (lib test) due to 4 previous errors [INFO] running `Command { std: "docker" "inspect" "21e274a100464b3fe7eba988b3a76e1d9c4d809363a09e31a310230644aaa27c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "21e274a100464b3fe7eba988b3a76e1d9c4d809363a09e31a310230644aaa27c", kill_on_drop: false }` [INFO] [stdout] 21e274a100464b3fe7eba988b3a76e1d9c4d809363a09e31a310230644aaa27c