[INFO] fetching crate appendbuf 0.1.6...
[INFO] testing appendbuf-0.1.6 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate appendbuf 0.1.6 into /workspace/builds/worker-86/source
[INFO] validating manifest of crates.io crate appendbuf 0.1.6 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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-86/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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-86/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 766e077cea0582f36b637f1eeacde59066a368deda9a66ad390536ebaaa68955
[INFO] running `Command { std: "docker" "start" "-a" "766e077cea0582f36b637f1eeacde59066a368deda9a66ad390536ebaaa68955", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "766e077cea0582f36b637f1eeacde59066a368deda9a66ad390536ebaaa68955", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "766e077cea0582f36b637f1eeacde59066a368deda9a66ad390536ebaaa68955", kill_on_drop: false }`
[INFO] [stdout] 766e077cea0582f36b637f1eeacde59066a368deda9a66ad390536ebaaa68955
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ddb8eefb1a16b5b20d2529cbe8ccbf44be5d7b1c3225534d98aa3a38a537a730
[INFO] running `Command { std: "docker" "start" "-a" "ddb8eefb1a16b5b20d2529cbe8ccbf44be5d7b1c3225534d98aa3a38a537a730", 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 0.38s
[INFO] running `Command { std: "docker" "inspect" "ddb8eefb1a16b5b20d2529cbe8ccbf44be5d7b1c3225534d98aa3a38a537a730", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddb8eefb1a16b5b20d2529cbe8ccbf44be5d7b1c3225534d98aa3a38a537a730", kill_on_drop: false }`
[INFO] [stdout] ddb8eefb1a16b5b20d2529cbe8ccbf44be5d7b1c3225534d98aa3a38a537a730
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a57bbee2e4ca89367cd156a00b30195873cd4bbafcad170eaff4f7c52d3e894b
[INFO] running `Command { std: "docker" "start" "-a" "a57bbee2e4ca89367cd156a00b30195873cd4bbafcad170eaff4f7c52d3e894b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling appendbuf v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "a57bbee2e4ca89367cd156a00b30195873cd4bbafcad170eaff4f7c52d3e894b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a57bbee2e4ca89367cd156a00b30195873cd4bbafcad170eaff4f7c52d3e894b", kill_on_drop: false }`
[INFO] [stdout] a57bbee2e4ca89367cd156a00b30195873cd4bbafcad170eaff4f7c52d3e894b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0792dc51c990e4c418656934c7a3f884d443c5ca4a335551acb85084f385c59a
[INFO] running `Command { std: "docker" "start" "-a" "0792dc51c990e4c418656934c7a3f884d443c5ca4a335551acb85084f385c59a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.95s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/appendbuf-b663fd997c9ac1ac)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test test_convert_from_vec ... ok
[INFO] [stdout] test test_many_writes ... ok
[INFO] [stdout] test test_overlong_write ... ok
[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_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 0.02s
[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" "0792dc51c990e4c418656934c7a3f884d443c5ca4a335551acb85084f385c59a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0792dc51c990e4c418656934c7a3f884d443c5ca4a335551acb85084f385c59a", kill_on_drop: false }`
[INFO] [stdout] 0792dc51c990e4c418656934c7a3f884d443c5ca4a335551acb85084f385c59a