[INFO] fetching crate ringstack 0.3.0...
[INFO] testing ringstack-0.3.0 against 1.91.0 for beta-1.92-2
[INFO] extracting crate ringstack 0.3.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate ringstack 0.3.0
[INFO] finished tweaking crates.io crate ringstack 0.3.0
[INFO] tweaked toml for crates.io crate ringstack 0.3.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ringstack 0.3.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "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" "+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-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] cc689760d0d877c03be039453fe7a04eee0d7f7fdac1f6bcd21f58c343d6886a
[INFO] running `Command { std: "docker" "start" "-a" "cc689760d0d877c03be039453fe7a04eee0d7f7fdac1f6bcd21f58c343d6886a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc689760d0d877c03be039453fe7a04eee0d7f7fdac1f6bcd21f58c343d6886a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc689760d0d877c03be039453fe7a04eee0d7f7fdac1f6bcd21f58c343d6886a", kill_on_drop: false }`
[INFO] [stdout] cc689760d0d877c03be039453fe7a04eee0d7f7fdac1f6bcd21f58c343d6886a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] b28c27bc5466d58e48c344008cd22f4c4948e94f80fc7ce6904364c75b8ced59
[INFO] running `Command { std: "docker" "start" "-a" "b28c27bc5466d58e48c344008cd22f4c4948e94f80fc7ce6904364c75b8ced59", kill_on_drop: false }`
[INFO] [stderr]    Compiling ringstack v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "b28c27bc5466d58e48c344008cd22f4c4948e94f80fc7ce6904364c75b8ced59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b28c27bc5466d58e48c344008cd22f4c4948e94f80fc7ce6904364c75b8ced59", kill_on_drop: false }`
[INFO] [stdout] b28c27bc5466d58e48c344008cd22f4c4948e94f80fc7ce6904364c75b8ced59
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 130f570aa78175e9de942613aa5b93a5e46cc63094917bdcac91dd4a6b6c29b3
[INFO] running `Command { std: "docker" "start" "-a" "130f570aa78175e9de942613aa5b93a5e46cc63094917bdcac91dd4a6b6c29b3", kill_on_drop: false }`
[INFO] [stderr]    Compiling ringstack v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "130f570aa78175e9de942613aa5b93a5e46cc63094917bdcac91dd4a6b6c29b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "130f570aa78175e9de942613aa5b93a5e46cc63094917bdcac91dd4a6b6c29b3", kill_on_drop: false }`
[INFO] [stdout] 130f570aa78175e9de942613aa5b93a5e46cc63094917bdcac91dd4a6b6c29b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] fc430298d4be2999f39a72f359555afc471e045a5d92cfe21324bf494d7adb32
[INFO] running `Command { std: "docker" "start" "-a" "fc430298d4be2999f39a72f359555afc471e045a5d92cfe21324bf494d7adb32", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ringstack-2f3a7af08095843b)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test t::test_clone ... ok
[INFO] [stdout] test t::test_internal_representaions_and_get_index ... ok
[INFO] [stdout] test t::test_iter ... ok
[INFO] [stdout] test t::test_iter_mut ... ok
[INFO] [stdout] test t::test_index_access - should panic ... ok
[INFO] [stdout] test t::test_index_mut_access - should panic ... ok
[INFO] [stdout] test t::test_multiple_times_of_push_and_pop ... ok
[INFO] [stdout] test t::test_index_access_check - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.11s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ringstack
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 20) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.33s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fc430298d4be2999f39a72f359555afc471e045a5d92cfe21324bf494d7adb32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc430298d4be2999f39a72f359555afc471e045a5d92cfe21324bf494d7adb32", kill_on_drop: false }`
[INFO] [stdout] fc430298d4be2999f39a72f359555afc471e045a5d92cfe21324bf494d7adb32