[INFO] fetching crate gaze 0.5.0...
[INFO] testing gaze-0.5.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate gaze 0.5.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate gaze 0.5.0
[INFO] finished tweaking crates.io crate gaze 0.5.0
[INFO] tweaked toml for crates.io crate gaze 0.5.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate gaze 0.5.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[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-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 62cf46b6179c0d4e9cda56aea44ff4fd21f812e3be6b58b191adec807603ba2d
[INFO] running `Command { std: "docker" "start" "-a" "62cf46b6179c0d4e9cda56aea44ff4fd21f812e3be6b58b191adec807603ba2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "62cf46b6179c0d4e9cda56aea44ff4fd21f812e3be6b58b191adec807603ba2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62cf46b6179c0d4e9cda56aea44ff4fd21f812e3be6b58b191adec807603ba2d", kill_on_drop: false }`
[INFO] [stdout] 62cf46b6179c0d4e9cda56aea44ff4fd21f812e3be6b58b191adec807603ba2d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] af05354fb1457b0a35ca5cedbec210b73bec5a3b43c03241e54f3af3ae6c66db
[INFO] running `Command { std: "docker" "start" "-a" "af05354fb1457b0a35ca5cedbec210b73bec5a3b43c03241e54f3af3ae6c66db", kill_on_drop: false }`
[INFO] [stderr]    Compiling gaze v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "af05354fb1457b0a35ca5cedbec210b73bec5a3b43c03241e54f3af3ae6c66db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af05354fb1457b0a35ca5cedbec210b73bec5a3b43c03241e54f3af3ae6c66db", kill_on_drop: false }`
[INFO] [stdout] af05354fb1457b0a35ca5cedbec210b73bec5a3b43c03241e54f3af3ae6c66db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] fe3a3cba26a9288e7b6cdc14761a4062db0a9d2cf23836c79709e0638e5d1e62
[INFO] running `Command { std: "docker" "start" "-a" "fe3a3cba26a9288e7b6cdc14761a4062db0a9d2cf23836c79709e0638e5d1e62", kill_on_drop: false }`
[INFO] [stderr]    Compiling gaze v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `is_text` is never used
[INFO] [stdout]   --> tests/gaze_spec.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn is_text(s: &str) -> bool {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `take_2` is never used
[INFO] [stdout]   --> tests/gaze_spec.rs:22:4
[INFO] [stdout]    |
[INFO] [stdout] 22 | fn take_2<I>(gaze: &mut Gaze<I>) -> Option<Vec<I>>
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "fe3a3cba26a9288e7b6cdc14761a4062db0a9d2cf23836c79709e0638e5d1e62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe3a3cba26a9288e7b6cdc14761a4062db0a9d2cf23836c79709e0638e5d1e62", kill_on_drop: false }`
[INFO] [stdout] fe3a3cba26a9288e7b6cdc14761a4062db0a9d2cf23836c79709e0638e5d1e62
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 5c7bb3cc5440389c9a2ff87b138cc052efd26d3c6653a478e4ab46127d5f9977
[INFO] running `Command { std: "docker" "start" "-a" "5c7bb3cc5440389c9a2ff87b138cc052efd26d3c6653a478e4ab46127d5f9977", kill_on_drop: false }`
[INFO] [stderr] warning: function `is_text` is never used
[INFO] [stderr]   --> tests/gaze_spec.rs:11:4
[INFO] [stderr]    |
[INFO] [stderr] 11 | fn is_text(s: &str) -> bool {
[INFO] [stderr]    |    ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `take_2` is never used
[INFO] [stderr]   --> tests/gaze_spec.rs:22:4
[INFO] [stderr]    |
[INFO] [stderr] 22 | fn take_2<I>(gaze: &mut Gaze<I>) -> Option<Vec<I>>
[INFO] [stderr]    |    ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `gaze` (test "gaze_spec") generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/gaze-ed9b8927c1765845)
[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]      Running tests/gaze_spec.rs (/opt/rustwide/target/debug/deps/gaze_spec-c5e276939840171b)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test take_first ... ok
[INFO] [stdout] test take_nibbler ... ok
[INFO] [stdout] test take_first_and_map ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests gaze
[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] running `Command { std: "docker" "inspect" "5c7bb3cc5440389c9a2ff87b138cc052efd26d3c6653a478e4ab46127d5f9977", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c7bb3cc5440389c9a2ff87b138cc052efd26d3c6653a478e4ab46127d5f9977", kill_on_drop: false }`
[INFO] [stdout] 5c7bb3cc5440389c9a2ff87b138cc052efd26d3c6653a478e4ab46127d5f9977