[INFO] fetching crate minigrep_empty 0.1.0...
[INFO] testing minigrep_empty-0.1.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate minigrep_empty 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate minigrep_empty 0.1.0
[INFO] finished tweaking crates.io crate minigrep_empty 0.1.0
[INFO] tweaked toml for crates.io crate minigrep_empty 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate minigrep_empty 0.1.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate minigrep_empty 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6262346facdb73cbaa74e5fa3684eb1413e543a05af4373419b033d58b988511
[INFO] running `Command { std: "docker" "start" "-a" "6262346facdb73cbaa74e5fa3684eb1413e543a05af4373419b033d58b988511", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6262346facdb73cbaa74e5fa3684eb1413e543a05af4373419b033d58b988511", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6262346facdb73cbaa74e5fa3684eb1413e543a05af4373419b033d58b988511", kill_on_drop: false }`
[INFO] [stdout] 6262346facdb73cbaa74e5fa3684eb1413e543a05af4373419b033d58b988511
[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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e3a9c852926a3dd0cafa8ba917fd1c13524b844bbb64c4176806974d45bafc10
[INFO] running `Command { std: "docker" "start" "-a" "e3a9c852926a3dd0cafa8ba917fd1c13524b844bbb64c4176806974d45bafc10", kill_on_drop: false }`
[INFO] [stderr]    Compiling minigrep_empty v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "e3a9c852926a3dd0cafa8ba917fd1c13524b844bbb64c4176806974d45bafc10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3a9c852926a3dd0cafa8ba917fd1c13524b844bbb64c4176806974d45bafc10", kill_on_drop: false }`
[INFO] [stdout] e3a9c852926a3dd0cafa8ba917fd1c13524b844bbb64c4176806974d45bafc10
[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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 13c212c199926d4bb810627a4cb26f6d6ac505b2ab033af03497fccc15f3b8af
[INFO] running `Command { std: "docker" "start" "-a" "13c212c199926d4bb810627a4cb26f6d6ac505b2ab033af03497fccc15f3b8af", kill_on_drop: false }`
[INFO] [stderr]    Compiling minigrep_empty v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `Command { std: "docker" "inspect" "13c212c199926d4bb810627a4cb26f6d6ac505b2ab033af03497fccc15f3b8af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13c212c199926d4bb810627a4cb26f6d6ac505b2ab033af03497fccc15f3b8af", kill_on_drop: false }`
[INFO] [stdout] 13c212c199926d4bb810627a4cb26f6d6ac505b2ab033af03497fccc15f3b8af
[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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b48a81515a6dc93ee35f6bad5dce98f43b69c65ac7050fc328ebbd7553ea3072
[INFO] running `Command { std: "docker" "start" "-a" "b48a81515a6dc93ee35f6bad5dce98f43b69c65ac7050fc328ebbd7553ea3072", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/minigrep_empty-19fb5b5b04a6247c)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::case_sensitive ... ok
[INFO] [stdout] test tests::case_insensitive ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/minigrep_empty-545fbfaaf0df3d72)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests minigrep_empty
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - Config (line 16) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - Config (line 16) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Config`
[INFO] [stdout]  --> src/lib.rs:18:14
[INFO] [stdout]   |
[INFO] [stdout] 4 | let config = Config::new(iter);
[INFO] [stdout]   |              ^^^^^^ use of undeclared type `Config`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 2 + use minigrep_empty::Config;
[INFO] [stdout]   |
[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 - Config (line 16)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.20s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "b48a81515a6dc93ee35f6bad5dce98f43b69c65ac7050fc328ebbd7553ea3072", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b48a81515a6dc93ee35f6bad5dce98f43b69c65ac7050fc328ebbd7553ea3072", kill_on_drop: false }`
[INFO] [stdout] b48a81515a6dc93ee35f6bad5dce98f43b69c65ac7050fc328ebbd7553ea3072