[INFO] cloning repository https://github.com/kr1surb4n/minigrep_tutorial
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kr1surb4n/minigrep_tutorial" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkr1surb4n%2Fminigrep_tutorial", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkr1surb4n%2Fminigrep_tutorial'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1a3928fb3dcf3c86e0ac79799a429b896ff3c4db
[INFO] testing kr1surb4n/minigrep_tutorial against master#d98a5da813da67eb189387b8ccfb73cf481275d8+rustflags=-Copt-level=3 for pr-138759-retry
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkr1surb4n%2Fminigrep_tutorial" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kr1surb4n/minigrep_tutorial
[INFO] finished tweaking git repo https://github.com/kr1surb4n/minigrep_tutorial
[INFO] tweaked toml for git repo https://github.com/kr1surb4n/minigrep_tutorial written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kr1surb4n/minigrep_tutorial on toolchain d98a5da813da67eb189387b8ccfb73cf481275d8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kr1surb4n/minigrep_tutorial 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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e262ef787374925128b0b26a14e5e584f6957535c707c21dd13ca374dda535f2
[INFO] running `Command { std: "docker" "start" "-a" "e262ef787374925128b0b26a14e5e584f6957535c707c21dd13ca374dda535f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e262ef787374925128b0b26a14e5e584f6957535c707c21dd13ca374dda535f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e262ef787374925128b0b26a14e5e584f6957535c707c21dd13ca374dda535f2", kill_on_drop: false }`
[INFO] [stdout] e262ef787374925128b0b26a14e5e584f6957535c707c21dd13ca374dda535f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 50c7cdb7b71a9ea0b49b4132928d6bcbbadab7dbcb629c8be725ab392e9e9918
[INFO] running `Command { std: "docker" "start" "-a" "50c7cdb7b71a9ea0b49b4132928d6bcbbadab7dbcb629c8be725ab392e9e9918", kill_on_drop: false }`
[INFO] [stderr]    Compiling minigrep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: the trait bound `String: Pattern` is not satisfied
[INFO] [stdout]   --> src/lib.rs:49:49
[INFO] [stdout]    |
[INFO] [stdout] 49 |     .filter(|line| line.to_lowercase().contains(query.to_lowercase()))
[INFO] [stdout]    |                                        -------- ^^^^^^^^^^^^^^^^^^^^ the trait `Pattern` is not implemented for `String`
[INFO] [stdout]    |                                        |
[INFO] [stdout]    |                                        required by a bound introduced by this call
[INFO] [stdout]    |
[INFO] [stdout]    = note: required for `String` to implement `Pattern`
[INFO] [stdout] note: required by a bound in `core::str::<impl str>::contains`
[INFO] [stdout]   --> /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/str/mod.rs:1325:5
[INFO] [stdout] help: consider borrowing here
[INFO] [stdout]    |
[INFO] [stdout] 49 |     .filter(|line| line.to_lowercase().contains(&query.to_lowercase()))
[INFO] [stdout]    |                                                 +
[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) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "50c7cdb7b71a9ea0b49b4132928d6bcbbadab7dbcb629c8be725ab392e9e9918", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50c7cdb7b71a9ea0b49b4132928d6bcbbadab7dbcb629c8be725ab392e9e9918", kill_on_drop: false }`
[INFO] [stdout] 50c7cdb7b71a9ea0b49b4132928d6bcbbadab7dbcb629c8be725ab392e9e9918