[INFO] fetching crate rbuf 0.1.3...
[INFO] testing rbuf-0.1.3 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate rbuf 0.1.3 into /workspace/builds/worker-57/source
[INFO] validating manifest of crates.io crate rbuf 0.1.3 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rbuf 0.1.3
[INFO] finished tweaking crates.io crate rbuf 0.1.3
[INFO] tweaked toml for crates.io crate rbuf 0.1.3 written to /workspace/builds/worker-57/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bf8573b9d9558b7972fc138dee511c2ced46d14ae3e682b3a1c7a349fb5b7aef
[INFO] running `Command { std: "docker" "start" "-a" "bf8573b9d9558b7972fc138dee511c2ced46d14ae3e682b3a1c7a349fb5b7aef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bf8573b9d9558b7972fc138dee511c2ced46d14ae3e682b3a1c7a349fb5b7aef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf8573b9d9558b7972fc138dee511c2ced46d14ae3e682b3a1c7a349fb5b7aef", kill_on_drop: false }`
[INFO] [stdout] bf8573b9d9558b7972fc138dee511c2ced46d14ae3e682b3a1c7a349fb5b7aef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d3091a0f4086c4cb8d623e73f3fb0387d2d839b2cd5da793c85d39969e4d9959
[INFO] running `Command { std: "docker" "start" "-a" "d3091a0f4086c4cb8d623e73f3fb0387d2d839b2cd5da793c85d39969e4d9959", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rbuf v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `Command { std: "docker" "inspect" "d3091a0f4086c4cb8d623e73f3fb0387d2d839b2cd5da793c85d39969e4d9959", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3091a0f4086c4cb8d623e73f3fb0387d2d839b2cd5da793c85d39969e4d9959", kill_on_drop: false }`
[INFO] [stdout] d3091a0f4086c4cb8d623e73f3fb0387d2d839b2cd5da793c85d39969e4d9959
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3df6512a5f1dd2a99439d28b456ff5a484cf720e22cd34d873f685c2edb8b21b
[INFO] running `Command { std: "docker" "start" "-a" "3df6512a5f1dd2a99439d28b456ff5a484cf720e22cd34d873f685c2edb8b21b", kill_on_drop: false }`
[INFO] [stderr]    Compiling rbuf v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `Command { std: "docker" "inspect" "3df6512a5f1dd2a99439d28b456ff5a484cf720e22cd34d873f685c2edb8b21b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3df6512a5f1dd2a99439d28b456ff5a484cf720e22cd34d873f685c2edb8b21b", kill_on_drop: false }`
[INFO] [stdout] 3df6512a5f1dd2a99439d28b456ff5a484cf720e22cd34d873f685c2edb8b21b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7dd42c4857b05df404294e9983cf964de68dd70acffd8f4a2e67c4f4284ffb81
[INFO] running `Command { std: "docker" "start" "-a" "7dd42c4857b05df404294e9983cf964de68dd70acffd8f4a2e67c4f4284ffb81", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rbuf-50767a5666bfba95)
[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/test.rs (/opt/rustwide/target/debug/deps/test-80c7d4f31532d6b5)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test boxed_slice ... ok
[INFO] [stdout] test buf_index ... ok
[INFO] [stdout] test buf_len ... ok
[INFO] [stdout] test double_ended_iter ... ok
[INFO] [stdout] test front_back ... ok
[INFO] [stdout] test front_back_mut ... ok
[INFO] [stdout] test iter_next ... ok
[INFO] [stdout] test iter_size_hint ... ok
[INFO] [stdout] test mutating_iter ... ok
[INFO] [stdout] test ring_buf_macro ... ok
[INFO] [stderr]    Doc-tests rbuf
[INFO] [stdout] test no_mutable_iterator_with_zst - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[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] running `Command { std: "docker" "inspect" "7dd42c4857b05df404294e9983cf964de68dd70acffd8f4a2e67c4f4284ffb81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7dd42c4857b05df404294e9983cf964de68dd70acffd8f4a2e67c4f4284ffb81", kill_on_drop: false }`
[INFO] [stdout] 7dd42c4857b05df404294e9983cf964de68dd70acffd8f4a2e67c4f4284ffb81