[INFO] fetching crate QuqqU_mgrep 0.1.1...
[INFO] testing QuqqU_mgrep-0.1.1 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate QuqqU_mgrep 0.1.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate QuqqU_mgrep 0.1.1 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate QuqqU_mgrep 0.1.1
[INFO] finished tweaking crates.io crate QuqqU_mgrep 0.1.1
[INFO] tweaked toml for crates.io crate QuqqU_mgrep 0.1.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate QuqqU_mgrep 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9daccb7c04579eec00a1d971acbb5b96e4fa9631ca9fa0f9ce806804716b796a
[INFO] running `Command { std: "docker" "start" "-a" "9daccb7c04579eec00a1d971acbb5b96e4fa9631ca9fa0f9ce806804716b796a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9daccb7c04579eec00a1d971acbb5b96e4fa9631ca9fa0f9ce806804716b796a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9daccb7c04579eec00a1d971acbb5b96e4fa9631ca9fa0f9ce806804716b796a", kill_on_drop: false }`
[INFO] [stdout] 9daccb7c04579eec00a1d971acbb5b96e4fa9631ca9fa0f9ce806804716b796a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b28d12943a99d94ad9c63faa80b8f80d0f7d58e4f38e64034c2281e9eebd36e3
[INFO] running `Command { std: "docker" "start" "-a" "b28d12943a99d94ad9c63faa80b8f80d0f7d58e4f38e64034c2281e9eebd36e3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling QuqqU_mgrep v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: crate `QuqqU_mgrep` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `quqq_u_mgrep`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `QuqqU_mgrep` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `quqq_u_mgrep`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "b28d12943a99d94ad9c63faa80b8f80d0f7d58e4f38e64034c2281e9eebd36e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b28d12943a99d94ad9c63faa80b8f80d0f7d58e4f38e64034c2281e9eebd36e3", kill_on_drop: false }`
[INFO] [stdout] b28d12943a99d94ad9c63faa80b8f80d0f7d58e4f38e64034c2281e9eebd36e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0062a5deac911858cf956f9c7175481df4d9526ac652a7fb144037e500b9122b
[INFO] running `Command { std: "docker" "start" "-a" "0062a5deac911858cf956f9c7175481df4d9526ac652a7fb144037e500b9122b", kill_on_drop: false }`
[INFO] [stdout] warning: crate `QuqqU_mgrep` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `quqq_u_mgrep`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling QuqqU_mgrep v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `QuqqU_mgrep` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `quqq_u_mgrep`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `QuqqU_mgrep` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `quqq_u_mgrep`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "0062a5deac911858cf956f9c7175481df4d9526ac652a7fb144037e500b9122b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0062a5deac911858cf956f9c7175481df4d9526ac652a7fb144037e500b9122b", kill_on_drop: false }`
[INFO] [stdout] 0062a5deac911858cf956f9c7175481df4d9526ac652a7fb144037e500b9122b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] df3beb449c4f157476acb2576e84efb9f393265379d4bcddc9aad55b7e81ad8b
[INFO] running `Command { std: "docker" "start" "-a" "df3beb449c4f157476acb2576e84efb9f393265379d4bcddc9aad55b7e81ad8b", kill_on_drop: false }`
[INFO] [stderr] warning: crate `QuqqU_mgrep` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `quqq_u_mgrep`
[INFO] [stderr] 
[INFO] [stderr] warning: `QuqqU_mgrep` (lib) generated 1 warning
[INFO] [stderr] warning: `QuqqU_mgrep` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr] warning: `QuqqU_mgrep` (bin "QuqqU_mgrep" test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/QuqqU_mgrep-d434654cb701befe)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/QuqqU_mgrep-62eee1c485e8a608)
[INFO] [stdout] test test::case_insensitive ... ok
[INFO] [stdout] test test::case_sensitive ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[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 QuqqU_mgrep
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - search (line 48) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - search (line 48) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `mgrep`
[INFO] [stdout]  --> src/lib.rs:54:45
[INFO] [stdout]   |
[INFO] [stdout] 8 | assert_eq!(vec!["safe, fast, productive."], mgrep::search(query, contents));
[INFO] [stdout]   |                                             ^^^^^ use of undeclared crate or module `mgrep`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 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 - search (line 48)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.19s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "df3beb449c4f157476acb2576e84efb9f393265379d4bcddc9aad55b7e81ad8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df3beb449c4f157476acb2576e84efb9f393265379d4bcddc9aad55b7e81ad8b", kill_on_drop: false }`
[INFO] [stdout] df3beb449c4f157476acb2576e84efb9f393265379d4bcddc9aad55b7e81ad8b