[INFO] fetching crate weresocool_ring_buffer 1.0.47...
[INFO] testing weresocool_ring_buffer-1.0.47 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2
[INFO] extracting crate weresocool_ring_buffer 1.0.47 into /workspace/builds/worker-2-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-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate weresocool_ring_buffer 1.0.47 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 643c64907d1f88ca76d82bb9c49414bb3f3dbc8fe97af3cc09b4674727b8fc07
[INFO] running `Command { std: "docker" "start" "-a" "643c64907d1f88ca76d82bb9c49414bb3f3dbc8fe97af3cc09b4674727b8fc07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "643c64907d1f88ca76d82bb9c49414bb3f3dbc8fe97af3cc09b4674727b8fc07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "643c64907d1f88ca76d82bb9c49414bb3f3dbc8fe97af3cc09b4674727b8fc07", kill_on_drop: false }`
[INFO] [stdout] 643c64907d1f88ca76d82bb9c49414bb3f3dbc8fe97af3cc09b4674727b8fc07
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad7d27aa2d1e1a16b29f403755f384d5f39bcc0df47c5b0a6e1affc5f5516f7d
[INFO] running `Command { std: "docker" "start" "-a" "ad7d27aa2d1e1a16b29f403755f384d5f39bcc0df47c5b0a6e1affc5f5516f7d", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling libc v0.2.185
[INFO] [stderr]    Compiling num-bigint v0.3.3
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling float-cmp v0.8.0
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.6
[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 5.44s
[INFO] running `Command { std: "docker" "inspect" "ad7d27aa2d1e1a16b29f403755f384d5f39bcc0df47c5b0a6e1affc5f5516f7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad7d27aa2d1e1a16b29f403755f384d5f39bcc0df47c5b0a6e1affc5f5516f7d", kill_on_drop: false }`
[INFO] [stdout] ad7d27aa2d1e1a16b29f403755f384d5f39bcc0df47c5b0a6e1affc5f5516f7d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0090d75578e333917cf7d8816372c3f7c4e8ea3e4d48e9523c416fb5feaced6b
[INFO] running `Command { std: "docker" "start" "-a" "0090d75578e333917cf7d8816372c3f7c4e8ea3e4d48e9523c416fb5feaced6b", 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 0.55s
[INFO] running `Command { std: "docker" "inspect" "0090d75578e333917cf7d8816372c3f7c4e8ea3e4d48e9523c416fb5feaced6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0090d75578e333917cf7d8816372c3f7c4e8ea3e4d48e9523c416fb5feaced6b", kill_on_drop: false }`
[INFO] [stdout] 0090d75578e333917cf7d8816372c3f7c4e8ea3e4d48e9523c416fb5feaced6b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2822336cec94748b5122544ba487647f33e7ff77f6337ceabd769f646889358a
[INFO] running `Command { std: "docker" "start" "-a" "2822336cec94748b5122544ba487647f33e7ff77f6337ceabd769f646889358a", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/weresocool_ring_buffer-9e7447f47a7b3cc8)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::ring_buffer_head ... ok
[INFO] [stdout] test tests::ring_buffer_empty ... ok
[INFO] [stdout] test tests::ring_buffer_push ... ok
[INFO] [stdout] test tests::ring_buffer ... 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 0.03s
[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" "2822336cec94748b5122544ba487647f33e7ff77f6337ceabd769f646889358a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2822336cec94748b5122544ba487647f33e7ff77f6337ceabd769f646889358a", kill_on_drop: false }`
[INFO] [stdout] 2822336cec94748b5122544ba487647f33e7ff77f6337ceabd769f646889358a