[INFO] fetching crate rbuf 0.1.3...
[INFO] testing rbuf-0.1.3 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate rbuf 0.1.3 into /workspace/builds/worker-28/source
[INFO] validating manifest of crates.io crate rbuf 0.1.3 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-28/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 535a10b00b55feaaf4966cb2b2578513127cbc7e0670cc849ca3a390282ab601
[INFO] running `Command { std: "docker" "start" "-a" "535a10b00b55feaaf4966cb2b2578513127cbc7e0670cc849ca3a390282ab601", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "535a10b00b55feaaf4966cb2b2578513127cbc7e0670cc849ca3a390282ab601", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "535a10b00b55feaaf4966cb2b2578513127cbc7e0670cc849ca3a390282ab601", kill_on_drop: false }`
[INFO] [stdout] 535a10b00b55feaaf4966cb2b2578513127cbc7e0670cc849ca3a390282ab601
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f0a34e04f9440e2951e1347ad310f9a7c2ad55b4a92bdbe3425acff3932f0d58
[INFO] running `Command { std: "docker" "start" "-a" "f0a34e04f9440e2951e1347ad310f9a7c2ad55b4a92bdbe3425acff3932f0d58", kill_on_drop: false }`
[INFO] [stderr]    Compiling rbuf v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "f0a34e04f9440e2951e1347ad310f9a7c2ad55b4a92bdbe3425acff3932f0d58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0a34e04f9440e2951e1347ad310f9a7c2ad55b4a92bdbe3425acff3932f0d58", kill_on_drop: false }`
[INFO] [stdout] f0a34e04f9440e2951e1347ad310f9a7c2ad55b4a92bdbe3425acff3932f0d58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b0d529d10f4ed9b93f8edf578678f85ece1dda873c16974e6a77e5344df95664
[INFO] running `Command { std: "docker" "start" "-a" "b0d529d10f4ed9b93f8edf578678f85ece1dda873c16974e6a77e5344df95664", kill_on_drop: false }`
[INFO] [stderr]    Compiling rbuf v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.51s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/rbuf-a69beca4ae394d57)
[INFO] [stderr]   Executable tests/test.rs (/opt/rustwide/target/debug/deps/test-e30c1388b5e3acd7)
[INFO] running `Command { std: "docker" "inspect" "b0d529d10f4ed9b93f8edf578678f85ece1dda873c16974e6a77e5344df95664", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0d529d10f4ed9b93f8edf578678f85ece1dda873c16974e6a77e5344df95664", kill_on_drop: false }`
[INFO] [stdout] b0d529d10f4ed9b93f8edf578678f85ece1dda873c16974e6a77e5344df95664
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1b00d8188ac536dbea30bb4ee9f6afbe2dab09b9c4af7a7e43991cc279d2a4cb
[INFO] running `Command { std: "docker" "start" "-a" "1b00d8188ac536dbea30bb4ee9f6afbe2dab09b9c4af7a7e43991cc279d2a4cb", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rbuf-a69beca4ae394d57)
[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-e30c1388b5e3acd7)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test boxed_slice ... ok
[INFO] [stdout] test buf_len ... ok
[INFO] [stdout] test double_ended_iter ... ok
[INFO] [stdout] test front_back ... ok
[INFO] [stdout] test buf_index ... 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 0.01s
[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" "1b00d8188ac536dbea30bb4ee9f6afbe2dab09b9c4af7a7e43991cc279d2a4cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b00d8188ac536dbea30bb4ee9f6afbe2dab09b9c4af7a7e43991cc279d2a4cb", kill_on_drop: false }`
[INFO] [stdout] 1b00d8188ac536dbea30bb4ee9f6afbe2dab09b9c4af7a7e43991cc279d2a4cb