[INFO] fetching crate discoid 0.0.4...
[INFO] testing discoid-0.0.4 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1
[INFO] extracting crate discoid 0.0.4 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate discoid 0.0.4
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate discoid 0.0.4
[INFO] tweaked toml for crates.io crate discoid 0.0.4 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate discoid 0.0.4 on toolchain b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 48eabe19635678239c281a792234db8bef6469c6365053a19465a066c485be7f
[INFO] running `Command { std: "docker" "start" "-a" "48eabe19635678239c281a792234db8bef6469c6365053a19465a066c485be7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "48eabe19635678239c281a792234db8bef6469c6365053a19465a066c485be7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48eabe19635678239c281a792234db8bef6469c6365053a19465a066c485be7f", kill_on_drop: false }`
[INFO] [stdout] 48eabe19635678239c281a792234db8bef6469c6365053a19465a066c485be7f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e02e0187f96040d4356411b76f35f674ad83293f9e31cf17c1b2665fa16d98dd
[INFO] running `Command { std: "docker" "start" "-a" "e02e0187f96040d4356411b76f35f674ad83293f9e31cf17c1b2665fa16d98dd", kill_on_drop: false }`
[INFO] [stderr]    Compiling discoid v0.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `Command { std: "docker" "inspect" "e02e0187f96040d4356411b76f35f674ad83293f9e31cf17c1b2665fa16d98dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e02e0187f96040d4356411b76f35f674ad83293f9e31cf17c1b2665fa16d98dd", kill_on_drop: false }`
[INFO] [stdout] e02e0187f96040d4356411b76f35f674ad83293f9e31cf17c1b2665fa16d98dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5f9387c6c4bc558297461100076e1518b7394b7e13444dd2f4421421a0a7bce8
[INFO] running `Command { std: "docker" "start" "-a" "5f9387c6c4bc558297461100076e1518b7394b7e13444dd2f4421421a0a7bce8", kill_on_drop: false }`
[INFO] [stderr]    Compiling discoid v0.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "5f9387c6c4bc558297461100076e1518b7394b7e13444dd2f4421421a0a7bce8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f9387c6c4bc558297461100076e1518b7394b7e13444dd2f4421421a0a7bce8", kill_on_drop: false }`
[INFO] [stdout] 5f9387c6c4bc558297461100076e1518b7394b7e13444dd2f4421421a0a7bce8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6585d2d819f9163790eece53f06d5a91d217887e81842f698e73d72f62c0c4ba
[INFO] running `Command { std: "docker" "start" "-a" "6585d2d819f9163790eece53f06d5a91d217887e81842f698e73d72f62c0c4ba", 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/discoid-4f60441ff15f2063)
[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/circular_buffer.rs (/opt/rustwide/target/debug/deps/circular_buffer-c73fc7eb2fe84d8e)
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test test_full_capacity_storage ... ok
[INFO] [stdout] test add_test ... ok
[INFO] [stdout] test test_into_iter_consumes_buffer ... ok
[INFO] [stdout] test test_into_iter_empty_buffer ... ok
[INFO] [stdout] test test_into_iter_after_wrap_around ... ok
[INFO] [stdout] test test_into_iter_full_buffer ... ok
[INFO] [stdout] test test_into_iter_multiple_elements ... ok
[INFO] [stdout] test test_into_iter_no_elements_after_popping ... ok
[INFO] [stdout] test test_into_iter_single_element ... ok
[INFO] [stdout] test test_pop_empty_buffer ... ok
[INFO] [stdout] test test_pop_multiple_success ... ok
[INFO] [stdout] test test_push_and_pop_single_element ... ok
[INFO] [stdout] test test_push_remove_multiple_elements ... ok
[INFO] [stdout] test test_push_full_buffer ... ok
[INFO] [stdout] test test_repeated_push_pop ... ok
[INFO] [stdout] test test_into_iter_mixed_operations ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests discoid
[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" "6585d2d819f9163790eece53f06d5a91d217887e81842f698e73d72f62c0c4ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6585d2d819f9163790eece53f06d5a91d217887e81842f698e73d72f62c0c4ba", kill_on_drop: false }`
[INFO] [stdout] 6585d2d819f9163790eece53f06d5a91d217887e81842f698e73d72f62c0c4ba