[INFO] fetching crate appendbuf 0.1.6...
[INFO] testing appendbuf-0.1.6 against 1.59.0 for beta-1.60-1
[INFO] extracting crate appendbuf 0.1.6 into /workspace/builds/worker-89/source
[INFO] validating manifest of crates.io crate appendbuf 0.1.6 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-89/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 201308fc1e6cdf92d82a2605d931ddb1ea438cee8646d91a64d47d9f6a75a936
[INFO] running `Command { std: "docker" "start" "-a" "201308fc1e6cdf92d82a2605d931ddb1ea438cee8646d91a64d47d9f6a75a936", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "201308fc1e6cdf92d82a2605d931ddb1ea438cee8646d91a64d47d9f6a75a936", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "201308fc1e6cdf92d82a2605d931ddb1ea438cee8646d91a64d47d9f6a75a936", kill_on_drop: false }`
[INFO] [stdout] 201308fc1e6cdf92d82a2605d931ddb1ea438cee8646d91a64d47d9f6a75a936
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d0191ba8aa879fdda886aa58951c43bd023591e1671a8ed68cea9ee577c7ff0a
[INFO] running `Command { std: "docker" "start" "-a" "d0191ba8aa879fdda886aa58951c43bd023591e1671a8ed68cea9ee577c7ff0a", 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 1.50s
[INFO] running `Command { std: "docker" "inspect" "d0191ba8aa879fdda886aa58951c43bd023591e1671a8ed68cea9ee577c7ff0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0191ba8aa879fdda886aa58951c43bd023591e1671a8ed68cea9ee577c7ff0a", kill_on_drop: false }`
[INFO] [stdout] d0191ba8aa879fdda886aa58951c43bd023591e1671a8ed68cea9ee577c7ff0a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8a4fa3737d184ac1f20e1f77ac869c96bb03860f3e245da33c2e5d720b95dc34
[INFO] running `Command { std: "docker" "start" "-a" "8a4fa3737d184ac1f20e1f77ac869c96bb03860f3e245da33c2e5d720b95dc34", kill_on_drop: false }`
[INFO] [stderr]    Compiling appendbuf v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `Command { std: "docker" "inspect" "8a4fa3737d184ac1f20e1f77ac869c96bb03860f3e245da33c2e5d720b95dc34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a4fa3737d184ac1f20e1f77ac869c96bb03860f3e245da33c2e5d720b95dc34", kill_on_drop: false }`
[INFO] [stdout] 8a4fa3737d184ac1f20e1f77ac869c96bb03860f3e245da33c2e5d720b95dc34
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c97c1ea3e008bc3d10acbcb7ec28625a4f0bdb6810d3d51343ee8a93482f75b8
[INFO] running `Command { std: "docker" "start" "-a" "c97c1ea3e008bc3d10acbcb7ec28625a4f0bdb6810d3d51343ee8a93482f75b8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.83s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/appendbuf-c995f7ec7a3bae84)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test test_overlong_write ... ok
[INFO] [stdout] test test_slice_then_write ... ok
[INFO] [stdout] test test_write_and_slice ... ok
[INFO] [stdout] test test_many_writes ... ok
[INFO] [stdout] test test_convert_from_vec ... ok
[INFO] [stdout] test test_slice_bounds_edge_cases ... ok
[INFO] [stdout] test test_slice_slicing ... ok
[INFO] [stdout] test test_slice_to_bounds_checks - should panic ... ok
[INFO] [stdout] test test_slice_from_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 0.11s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests appendbuf
[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" "c97c1ea3e008bc3d10acbcb7ec28625a4f0bdb6810d3d51343ee8a93482f75b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c97c1ea3e008bc3d10acbcb7ec28625a4f0bdb6810d3d51343ee8a93482f75b8", kill_on_drop: false }`
[INFO] [stdout] c97c1ea3e008bc3d10acbcb7ec28625a4f0bdb6810d3d51343ee8a93482f75b8