[INFO] fetching crate mini_super_grep 0.1.0...
[INFO] testing mini_super_grep-0.1.0 against 1.91.0 for beta-1.92-2
[INFO] extracting crate mini_super_grep 0.1.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate mini_super_grep 0.1.0
[INFO] finished tweaking crates.io crate mini_super_grep 0.1.0
[INFO] tweaked toml for crates.io crate mini_super_grep 0.1.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mini_super_grep 0.1.0 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mini_super_grep 0.1.0 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" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 182ce4acdf8b1db69e6105abda980c1e18cb2939cbcd89f75c87e0ca86ca7058
[INFO] running `Command { std: "docker" "start" "-a" "182ce4acdf8b1db69e6105abda980c1e18cb2939cbcd89f75c87e0ca86ca7058", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "182ce4acdf8b1db69e6105abda980c1e18cb2939cbcd89f75c87e0ca86ca7058", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "182ce4acdf8b1db69e6105abda980c1e18cb2939cbcd89f75c87e0ca86ca7058", kill_on_drop: false }`
[INFO] [stdout] 182ce4acdf8b1db69e6105abda980c1e18cb2939cbcd89f75c87e0ca86ca7058
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7f742eed2bfe9740543eee97aae783c45ccc2f45cbd82e80aba188e2cc4d6ee8
[INFO] running `Command { std: "docker" "start" "-a" "7f742eed2bfe9740543eee97aae783c45ccc2f45cbd82e80aba188e2cc4d6ee8", kill_on_drop: false }`
[INFO] [stderr]    Compiling mini_super_grep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `search_case_insensitive` is never used
[INFO] [stdout]   --> src/lib.rs:66:4
[INFO] [stdout]    |
[INFO] [stdout] 66 | fn search_case_insensitive<'a>(query: &str, contents: &'a str) -> Vec<&'a str> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fs`
[INFO] [stdout]  --> src/main.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{fs, process};
[INFO] [stdout]   |           ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "7f742eed2bfe9740543eee97aae783c45ccc2f45cbd82e80aba188e2cc4d6ee8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f742eed2bfe9740543eee97aae783c45ccc2f45cbd82e80aba188e2cc4d6ee8", kill_on_drop: false }`
[INFO] [stdout] 7f742eed2bfe9740543eee97aae783c45ccc2f45cbd82e80aba188e2cc4d6ee8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1ae8d637b3103507af43956001d758170401dd8940157ad1aa17f78c9fdddce3
[INFO] running `Command { std: "docker" "start" "-a" "1ae8d637b3103507af43956001d758170401dd8940157ad1aa17f78c9fdddce3", kill_on_drop: false }`
[INFO] [stderr]    Compiling mini_super_grep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `search_case_insensitive` is never used
[INFO] [stdout]   --> src/lib.rs:66:4
[INFO] [stdout]    |
[INFO] [stdout] 66 | fn search_case_insensitive<'a>(query: &str, contents: &'a str) -> Vec<&'a str> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fs`
[INFO] [stdout]  --> src/main.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{fs, process};
[INFO] [stdout]   |           ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "1ae8d637b3103507af43956001d758170401dd8940157ad1aa17f78c9fdddce3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ae8d637b3103507af43956001d758170401dd8940157ad1aa17f78c9fdddce3", kill_on_drop: false }`
[INFO] [stdout] 1ae8d637b3103507af43956001d758170401dd8940157ad1aa17f78c9fdddce3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5ef41269834ac94bf9311c106936eac4a3cc450cf756a8406b871fb56d0cb01a
[INFO] running `Command { std: "docker" "start" "-a" "5ef41269834ac94bf9311c106936eac4a3cc450cf756a8406b871fb56d0cb01a", kill_on_drop: false }`
[INFO] [stderr] warning: function `search_case_insensitive` is never used
[INFO] [stderr]   --> src/lib.rs:66:4
[INFO] [stderr]    |
[INFO] [stderr] 66 | fn search_case_insensitive<'a>(query: &str, contents: &'a str) -> Vec<&'a str> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `mini_super_grep` (lib) generated 1 warning
[INFO] [stderr] warning: unused import: `fs`
[INFO] [stderr]  --> src/main.rs:1:11
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::{fs, process};
[INFO] [stderr]   |           ^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `mini_super_grep` (bin "mini_super_grep" test) generated 1 warning (run `cargo fix --bin "mini_super_grep" --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mini_super_grep-36c2465a3504aa2e)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::case_insensitive ... ok
[INFO] [stdout] test tests::case_sensitive ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/mini_super_grep-e68b8ce92a36e9be)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mini_super_grep
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - add_one (line 14) ... FAILED
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - add_one (line 14) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `minigrep`
[INFO] [stdout]  --> src/lib.rs:16:14
[INFO] [stdout]   |
[INFO] [stdout] 4 | let answer = minigrep::add_one(arg);
[INFO] [stdout]   |              ^^^^^^^^ use of unresolved module or unlinked crate `minigrep`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `minigrep`, use `cargo add minigrep` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - add_one (line 14)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.09s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5ef41269834ac94bf9311c106936eac4a3cc450cf756a8406b871fb56d0cb01a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ef41269834ac94bf9311c106936eac4a3cc450cf756a8406b871fb56d0cb01a", kill_on_drop: false }`
[INFO] [stdout] 5ef41269834ac94bf9311c106936eac4a3cc450cf756a8406b871fb56d0cb01a