[INFO] fetching crate weresocool_ring_buffer 1.0.47...
[INFO] testing weresocool_ring_buffer-1.0.47 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8
[INFO] extracting crate weresocool_ring_buffer 1.0.47 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate weresocool_ring_buffer 1.0.47
[INFO] finished tweaking crates.io crate weresocool_ring_buffer 1.0.47
[INFO] tweaked toml for crates.io crate weresocool_ring_buffer 1.0.47 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate weresocool_ring_buffer 1.0.47 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 23 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded weresocool_shared v1.0.47
[INFO] [stderr]   Downloaded num-bigint v0.3.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9eb241e4b04d7bd500d36bfd719cdd0448a25c524a65b9493893e39a3b79dc82
[INFO] running `Command { std: "docker" "start" "-a" "9eb241e4b04d7bd500d36bfd719cdd0448a25c524a65b9493893e39a3b79dc82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9eb241e4b04d7bd500d36bfd719cdd0448a25c524a65b9493893e39a3b79dc82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9eb241e4b04d7bd500d36bfd719cdd0448a25c524a65b9493893e39a3b79dc82", kill_on_drop: false }`
[INFO] [stdout] 9eb241e4b04d7bd500d36bfd719cdd0448a25c524a65b9493893e39a3b79dc82
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f5afd1c3e26438f49822f2ab4e3355a4a9c6b8d960c3b7a08b0ba0f945145741
[INFO] running `Command { std: "docker" "start" "-a" "f5afd1c3e26438f49822f2ab4e3355a4a9c6b8d960c3b7a08b0ba0f945145741", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-bigint v0.3.3
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling float-cmp v0.8.0
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling weresocool_shared v1.0.47
[INFO] [stderr]    Compiling weresocool_ring_buffer v1.0.47 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.15s
[INFO] running `Command { std: "docker" "inspect" "f5afd1c3e26438f49822f2ab4e3355a4a9c6b8d960c3b7a08b0ba0f945145741", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5afd1c3e26438f49822f2ab4e3355a4a9c6b8d960c3b7a08b0ba0f945145741", kill_on_drop: false }`
[INFO] [stdout] f5afd1c3e26438f49822f2ab4e3355a4a9c6b8d960c3b7a08b0ba0f945145741
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc7ab52b7c42437764308fa1c688d2271f0ba6536fe12464d43a18fa4305499f
[INFO] running `Command { std: "docker" "start" "-a" "dc7ab52b7c42437764308fa1c688d2271f0ba6536fe12464d43a18fa4305499f", kill_on_drop: false }`
[INFO] [stderr]    Compiling weresocool_ring_buffer v1.0.47 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "dc7ab52b7c42437764308fa1c688d2271f0ba6536fe12464d43a18fa4305499f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc7ab52b7c42437764308fa1c688d2271f0ba6536fe12464d43a18fa4305499f", kill_on_drop: false }`
[INFO] [stdout] dc7ab52b7c42437764308fa1c688d2271f0ba6536fe12464d43a18fa4305499f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2b96534c7e592b154c23449d6c7741991b29e8ec56650a0c7c213c07a9555ca6
[INFO] running `Command { std: "docker" "start" "-a" "2b96534c7e592b154c23449d6c7741991b29e8ec56650a0c7c213c07a9555ca6", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/weresocool_ring_buffer-f84e284a00a7cc7e)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::ring_buffer ... ok
[INFO] [stdout] test tests::ring_buffer_empty ... ok
[INFO] [stdout] test tests::ring_buffer_push ... ok
[INFO] [stdout] test tests::ring_buffer_head ... ok
[INFO] [stdout] test tests::ring_buffer_push_again ... ok
[INFO] [stdout] test tests::ring_buffer_push_vec_half_full ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests weresocool_ring_buffer
[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" "2b96534c7e592b154c23449d6c7741991b29e8ec56650a0c7c213c07a9555ca6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b96534c7e592b154c23449d6c7741991b29e8ec56650a0c7c213c07a9555ca6", kill_on_drop: false }`
[INFO] [stdout] 2b96534c7e592b154c23449d6c7741991b29e8ec56650a0c7c213c07a9555ca6