[INFO] fetching crate scroll-ring 0.1.2...
[INFO] testing scroll-ring-0.1.2 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate scroll-ring 0.1.2 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate scroll-ring 0.1.2
[INFO] finished tweaking crates.io crate scroll-ring 0.1.2
[INFO] tweaked toml for crates.io crate scroll-ring 0.1.2 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate scroll-ring 0.1.2 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "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" "+b83b707f97d809763b7861afa7638871f3339a33" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 4 packages to latest compatible versions
[INFO] [stderr]       Adding ringbuf v0.3.3 (available: v0.4.8)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c7a892adbe2cdaed8dbb3d15452cf064884b1601cc6ee17fe8c0b9f4883093d9
[INFO] running `Command { std: "docker" "start" "-a" "c7a892adbe2cdaed8dbb3d15452cf064884b1601cc6ee17fe8c0b9f4883093d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c7a892adbe2cdaed8dbb3d15452cf064884b1601cc6ee17fe8c0b9f4883093d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7a892adbe2cdaed8dbb3d15452cf064884b1601cc6ee17fe8c0b9f4883093d9", kill_on_drop: false }`
[INFO] [stdout] c7a892adbe2cdaed8dbb3d15452cf064884b1601cc6ee17fe8c0b9f4883093d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf8cf7a81cf7afebd9aceb7858bc0e242a30a5abebf6ed9e11636541393b0bc0
[INFO] running `Command { std: "docker" "start" "-a" "bf8cf7a81cf7afebd9aceb7858bc0e242a30a5abebf6ed9e11636541393b0bc0", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling portable-atomic v1.11.1
[INFO] [stderr]    Compiling ringbuf v0.3.3
[INFO] [stderr]    Compiling scroll-ring v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `Command { std: "docker" "inspect" "bf8cf7a81cf7afebd9aceb7858bc0e242a30a5abebf6ed9e11636541393b0bc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf8cf7a81cf7afebd9aceb7858bc0e242a30a5abebf6ed9e11636541393b0bc0", kill_on_drop: false }`
[INFO] [stdout] bf8cf7a81cf7afebd9aceb7858bc0e242a30a5abebf6ed9e11636541393b0bc0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 017d03cdfec4ad939b62b91276d6c7ce6ade67127194023b5cef931a5e26ce24
[INFO] running `Command { std: "docker" "start" "-a" "017d03cdfec4ad939b62b91276d6c7ce6ade67127194023b5cef931a5e26ce24", kill_on_drop: false }`
[INFO] [stderr]    Compiling scroll-ring v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "017d03cdfec4ad939b62b91276d6c7ce6ade67127194023b5cef931a5e26ce24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "017d03cdfec4ad939b62b91276d6c7ce6ade67127194023b5cef931a5e26ce24", kill_on_drop: false }`
[INFO] [stdout] 017d03cdfec4ad939b62b91276d6c7ce6ade67127194023b5cef931a5e26ce24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 03ee30d88c41580e8bf8e1bf9456590a0741317726433fa5913495eee847577c
[INFO] running `Command { std: "docker" "start" "-a" "03ee30d88c41580e8bf8e1bf9456590a0741317726433fa5913495eee847577c", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/scroll_ring-87e1ba03cfbee328)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test minimal::test_buffer_collisions ... ok
[INFO] [stdout] test minimal::test_buffer_readwrite ... ok
[INFO] [stdout] test util::test_write_from_slices ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests scroll_ring
[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" "03ee30d88c41580e8bf8e1bf9456590a0741317726433fa5913495eee847577c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03ee30d88c41580e8bf8e1bf9456590a0741317726433fa5913495eee847577c", kill_on_drop: false }`
[INFO] [stdout] 03ee30d88c41580e8bf8e1bf9456590a0741317726433fa5913495eee847577c