[INFO] fetching crate weresocool_ring_buffer 1.0.47...
[INFO] testing weresocool_ring_buffer-1.0.47 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-8
[INFO] extracting crate weresocool_ring_buffer 1.0.47 into /workspace/builds/worker-4-tc2/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-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate weresocool_ring_buffer 1.0.47 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7dfb0069c48c0cfdb585c5485257ee06ab8ec648110cd1f70d2a2096a7547f53
[INFO] running `Command { std: "docker" "start" "-a" "7dfb0069c48c0cfdb585c5485257ee06ab8ec648110cd1f70d2a2096a7547f53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7dfb0069c48c0cfdb585c5485257ee06ab8ec648110cd1f70d2a2096a7547f53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7dfb0069c48c0cfdb585c5485257ee06ab8ec648110cd1f70d2a2096a7547f53", kill_on_drop: false }`
[INFO] [stdout] 7dfb0069c48c0cfdb585c5485257ee06ab8ec648110cd1f70d2a2096a7547f53
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b3780f6dcbefd27b709bfcfef3fa128a9ce13cebe9eb0badb6471d5598cf6b22
[INFO] running `Command { std: "docker" "start" "-a" "b3780f6dcbefd27b709bfcfef3fa128a9ce13cebe9eb0badb6471d5598cf6b22", 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 4.17s
[INFO] running `Command { std: "docker" "inspect" "b3780f6dcbefd27b709bfcfef3fa128a9ce13cebe9eb0badb6471d5598cf6b22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3780f6dcbefd27b709bfcfef3fa128a9ce13cebe9eb0badb6471d5598cf6b22", kill_on_drop: false }`
[INFO] [stdout] b3780f6dcbefd27b709bfcfef3fa128a9ce13cebe9eb0badb6471d5598cf6b22
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 60531ebd8ffbdc2fc85eb134cfb2a08cbe6c5e72404fc285431af6604c013d88
[INFO] running `Command { std: "docker" "start" "-a" "60531ebd8ffbdc2fc85eb134cfb2a08cbe6c5e72404fc285431af6604c013d88", 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 0.60s
[INFO] running `Command { std: "docker" "inspect" "60531ebd8ffbdc2fc85eb134cfb2a08cbe6c5e72404fc285431af6604c013d88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60531ebd8ffbdc2fc85eb134cfb2a08cbe6c5e72404fc285431af6604c013d88", kill_on_drop: false }`
[INFO] [stdout] 60531ebd8ffbdc2fc85eb134cfb2a08cbe6c5e72404fc285431af6604c013d88
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 245872b146bee1ea2078ee258fb4f0178026aba7beb3b0ba728ebe6fff287b0e
[INFO] running `Command { std: "docker" "start" "-a" "245872b146bee1ea2078ee258fb4f0178026aba7beb3b0ba728ebe6fff287b0e", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/weresocool_ring_buffer-f84e284a00a7cc7e)
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::ring_buffer_empty ... ok
[INFO] [stdout] test tests::ring_buffer ... 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] [stderr]    Doc-tests weresocool_ring_buffer
[INFO] [stdout] test tests::ring_buffer_push ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[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" "245872b146bee1ea2078ee258fb4f0178026aba7beb3b0ba728ebe6fff287b0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "245872b146bee1ea2078ee258fb4f0178026aba7beb3b0ba728ebe6fff287b0e", kill_on_drop: false }`
[INFO] [stdout] 245872b146bee1ea2078ee258fb4f0178026aba7beb3b0ba728ebe6fff287b0e