[INFO] updating cached repository https://github.com/OneEcho/minigrep
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b8a8e1ee879fe7c36734b1abf57d1b52adba94be
[INFO] checking OneEcho/minigrep against try#e689e5eaefe96e6dc3ed5bb629c521b7d207aff7 for pr-64398
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2FOneEcho%2Fminigrep" "work/builds/worker-0/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/OneEcho/minigrep on toolchain e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/OneEcho/minigrep
[INFO] finished tweaking git repo https://github.com/OneEcho/minigrep
[INFO] tweaked toml for git repo https://github.com/OneEcho/minigrep written to work/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/OneEcho/minigrep already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 46e7ccc3e84e6c0b8e65c4bf8524c2533f1dbdec91d6f74a0089c5e6ddf772d0
[INFO] running `"docker" "start" "-a" "46e7ccc3e84e6c0b8e65c4bf8524c2533f1dbdec91d6f74a0089c5e6ddf772d0"`
[INFO] [stderr]     Checking minigrep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::io::prelude`
[INFO] [stderr]  --> src/lib.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::io::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::prelude`
[INFO] [stderr]  --> src/lib.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::io::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `case_insensitive`
[INFO] [stderr]   --> src/lib.rs:79:5
[INFO] [stderr]    |
[INFO] [stderr] 79 |     fn case_insensitive() {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/main.rs:11:30
[INFO] [stderr]    |
[INFO] [stderr] 11 |     let config = Config::new(&args).unwrap_or_else(|err| {
[INFO] [stderr]    |                              ^^^^^ expected struct `std::env::Args`, found reference
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `std::env::Args`
[INFO] [stderr]               found type `&std::vec::Vec<std::string::String>`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0308`.
[INFO] [stderr] error: Could not compile `minigrep`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/main.rs:11:30
[INFO] [stderr]    |
[INFO] [stderr] 11 |     let config = Config::new(&args).unwrap_or_else(|err| {
[INFO] [stderr]    |                              ^^^^^ expected struct `std::env::Args`, found reference
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `std::env::Args`
[INFO] [stderr]               found type `&std::vec::Vec<std::string::String>`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0308`.
[INFO] [stderr] error: Could not compile `minigrep`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "46e7ccc3e84e6c0b8e65c4bf8524c2533f1dbdec91d6f74a0089c5e6ddf772d0"`
[INFO] running `"docker" "rm" "-f" "46e7ccc3e84e6c0b8e65c4bf8524c2533f1dbdec91d6f74a0089c5e6ddf772d0"`
[INFO] [stdout] 46e7ccc3e84e6c0b8e65c4bf8524c2533f1dbdec91d6f74a0089c5e6ddf772d0