[INFO] fetching crate appendbuf 0.1.6...
[INFO] testing appendbuf-0.1.6 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate appendbuf 0.1.6 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate appendbuf 0.1.6 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate appendbuf 0.1.6
[INFO] finished tweaking crates.io crate appendbuf 0.1.6
[INFO] tweaked toml for crates.io crate appendbuf 0.1.6 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded memalloc v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] efead95fb7ece64aa645ca9aa60121841495fc2a121147efcf9fcfad7961965a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "efead95fb7ece64aa645ca9aa60121841495fc2a121147efcf9fcfad7961965a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "efead95fb7ece64aa645ca9aa60121841495fc2a121147efcf9fcfad7961965a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efead95fb7ece64aa645ca9aa60121841495fc2a121147efcf9fcfad7961965a", kill_on_drop: false }`
[INFO] [stdout] efead95fb7ece64aa645ca9aa60121841495fc2a121147efcf9fcfad7961965a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5d9322cedd48be8d9f1c2ed594d43ca04935cf6ecf1fbcb6319093f19768fbb9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5d9322cedd48be8d9f1c2ed594d43ca04935cf6ecf1fbcb6319093f19768fbb9", kill_on_drop: false }`
[INFO] [stderr]    Compiling memalloc v0.1.0
[INFO] [stderr]    Compiling appendbuf v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `Command { std: "docker" "inspect" "5d9322cedd48be8d9f1c2ed594d43ca04935cf6ecf1fbcb6319093f19768fbb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d9322cedd48be8d9f1c2ed594d43ca04935cf6ecf1fbcb6319093f19768fbb9", kill_on_drop: false }`
[INFO] [stdout] 5d9322cedd48be8d9f1c2ed594d43ca04935cf6ecf1fbcb6319093f19768fbb9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 19ab55d9aeeae60bc95c80ea2976d235656798076a7ef8d7fc2ad31221f33d2d
[INFO] running `Command { std: "docker" "start" "-a" "19ab55d9aeeae60bc95c80ea2976d235656798076a7ef8d7fc2ad31221f33d2d", kill_on_drop: false }`
[INFO] [stderr]    Compiling appendbuf v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `Command { std: "docker" "inspect" "19ab55d9aeeae60bc95c80ea2976d235656798076a7ef8d7fc2ad31221f33d2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19ab55d9aeeae60bc95c80ea2976d235656798076a7ef8d7fc2ad31221f33d2d", kill_on_drop: false }`
[INFO] [stdout] 19ab55d9aeeae60bc95c80ea2976d235656798076a7ef8d7fc2ad31221f33d2d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 104865f401bd7acb8a1ddb1a0851e930dc9df027a111cad96c3423d23c8ca42d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "104865f401bd7acb8a1ddb1a0851e930dc9df027a111cad96c3423d23c8ca42d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/appendbuf-f3a89ed93264c0b4)
[INFO] [stdout] running 9 tests
[INFO] [stdout] test test_slice_bounds_edge_cases ... ok
[INFO] [stdout] test test_slice_slicing ... ok
[INFO] [stdout] test test_slice_then_write ... ok
[INFO] [stdout] test test_write_and_slice ... ok
[INFO] [stdout] test test_convert_from_vec ... ok
[INFO] [stdout] test test_overlong_write ... ok
[INFO] [stdout] test test_many_writes ... ok
[INFO] [stderr]    Doc-tests appendbuf
[INFO] [stdout] test test_slice_from_bounds_checks - should panic ... ok
[INFO] [stdout] test test_slice_to_bounds_checks - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[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" "104865f401bd7acb8a1ddb1a0851e930dc9df027a111cad96c3423d23c8ca42d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "104865f401bd7acb8a1ddb1a0851e930dc9df027a111cad96c3423d23c8ca42d", kill_on_drop: false }`
[INFO] [stdout] 104865f401bd7acb8a1ddb1a0851e930dc9df027a111cad96c3423d23c8ca42d