[INFO] cloning repository https://github.com/amgoodfellow/minigrep
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/amgoodfellow/minigrep" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famgoodfellow%2Fminigrep", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famgoodfellow%2Fminigrep'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8bcedf247f1e8cdc6dd13c9ea6a68909b1e04d96
[INFO] checking amgoodfellow/minigrep/8bcedf247f1e8cdc6dd13c9ea6a68909b1e04d96 against master#ff1737bb00913444173658b4e0b274fd79aabf66 for pr-132712-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famgoodfellow%2Fminigrep" "/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/amgoodfellow/minigrep on toolchain ff1737bb00913444173658b4e0b274fd79aabf66
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/amgoodfellow/minigrep
[INFO] finished tweaking git repo https://github.com/amgoodfellow/minigrep
[INFO] tweaked toml for git repo https://github.com/amgoodfellow/minigrep written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/amgoodfellow/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" "+ff1737bb00913444173658b4e0b274fd79aabf66" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded colored v1.6.0
[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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f514d356e92e439ffcb1ca0c73b0e8c9855ee0e8361bd65fd58d7314159b92c0
[INFO] running `Command { std: "docker" "start" "-a" "f514d356e92e439ffcb1ca0c73b0e8c9855ee0e8361bd65fd58d7314159b92c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f514d356e92e439ffcb1ca0c73b0e8c9855ee0e8361bd65fd58d7314159b92c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f514d356e92e439ffcb1ca0c73b0e8c9855ee0e8361bd65fd58d7314159b92c0", kill_on_drop: false }`
[INFO] [stdout] f514d356e92e439ffcb1ca0c73b0e8c9855ee0e8361bd65fd58d7314159b92c0
[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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 292240d758ba29a8ce90dd918bfaf906366f41da1172136dbc5bf9e889209c2b
[INFO] running `Command { std: "docker" "start" "-a" "292240d758ba29a8ce90dd918bfaf906366f41da1172136dbc5bf9e889209c2b", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking colored v1.6.0
[INFO] [stderr]     Checking minigrep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: can't compare `&str` with `(usize, &str)`
[INFO] [stdout]   --> src/lib.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |         assert_eq!(vec!["safe, fast, productive."], search(query, contents));
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no implementation for `&str == (usize, &str)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `PartialEq<(usize, &str)>` is not implemented for `&str`
[INFO] [stdout]    = help: the following other types implement trait `PartialEq<Rhs>`:
[INFO] [stdout]              `&str` implements `PartialEq<Cow<'_, str>>`
[INFO] [stdout]              `&str` implements `PartialEq<OsString>`
[INFO] [stdout]              `&str` implements `PartialEq<String>`
[INFO] [stdout]              `str` implements `PartialEq<Cow<'_, str>>`
[INFO] [stdout]              `str` implements `PartialEq<OsStr>`
[INFO] [stdout]              `str` implements `PartialEq<OsString>`
[INFO] [stdout]              `str` implements `PartialEq<String>`
[INFO] [stdout]              `str` implements `PartialEq`
[INFO] [stdout]    = note: required for `Vec<&str>` to implement `PartialEq<Vec<(usize, &str)>>`
[INFO] [stdout]    = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `minigrep` (lib test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "292240d758ba29a8ce90dd918bfaf906366f41da1172136dbc5bf9e889209c2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "292240d758ba29a8ce90dd918bfaf906366f41da1172136dbc5bf9e889209c2b", kill_on_drop: false }`
[INFO] [stdout] 292240d758ba29a8ce90dd918bfaf906366f41da1172136dbc5bf9e889209c2b