[INFO] fetching crate unowned-buf 0.2.0...
[INFO] testing unowned-buf-0.2.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2
[INFO] extracting crate unowned-buf 0.2.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate unowned-buf 0.2.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate unowned-buf 0.2.0
[INFO] tweaked toml for crates.io crate unowned-buf 0.2.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate unowned-buf 0.2.0 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate unowned-buf 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f7815556469026474bd6da98a942ad5216e8cf9b035ef9326e5342859fbdb5f4
[INFO] running `Command { std: "docker" "start" "-a" "f7815556469026474bd6da98a942ad5216e8cf9b035ef9326e5342859fbdb5f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f7815556469026474bd6da98a942ad5216e8cf9b035ef9326e5342859fbdb5f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7815556469026474bd6da98a942ad5216e8cf9b035ef9326e5342859fbdb5f4", kill_on_drop: false }`
[INFO] [stdout] f7815556469026474bd6da98a942ad5216e8cf9b035ef9326e5342859fbdb5f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 19eb01494b888d34cd612ccec5007298134b41e1b5f3512688be48a35e89e46c
[INFO] running `Command { std: "docker" "start" "-a" "19eb01494b888d34cd612ccec5007298134b41e1b5f3512688be48a35e89e46c", kill_on_drop: false }`
[INFO] [stderr]    Compiling unowned-buf v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "19eb01494b888d34cd612ccec5007298134b41e1b5f3512688be48a35e89e46c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19eb01494b888d34cd612ccec5007298134b41e1b5f3512688be48a35e89e46c", kill_on_drop: false }`
[INFO] [stdout] 19eb01494b888d34cd612ccec5007298134b41e1b5f3512688be48a35e89e46c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 62609ea8ff9d12342fa9a4f450e63ec996a12e4642cc75c6dbe5ec5caf70e679
[INFO] running `Command { std: "docker" "start" "-a" "62609ea8ff9d12342fa9a4f450e63ec996a12e4642cc75c6dbe5ec5caf70e679", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.182
[INFO] [stderr]    Compiling zerocopy v0.8.39
[INFO] [stderr]    Compiling cfg-if v1.0.4
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling unowned-buf v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 6.77s
[INFO] running `Command { std: "docker" "inspect" "62609ea8ff9d12342fa9a4f450e63ec996a12e4642cc75c6dbe5ec5caf70e679", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62609ea8ff9d12342fa9a4f450e63ec996a12e4642cc75c6dbe5ec5caf70e679", kill_on_drop: false }`
[INFO] [stdout] 62609ea8ff9d12342fa9a4f450e63ec996a12e4642cc75c6dbe5ec5caf70e679
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5144cf300475084f4e5c77f615eccb90685a1648e7af7b7dce236dcf05f4c98c
[INFO] running `Command { std: "docker" "start" "-a" "5144cf300475084f4e5c77f615eccb90685a1648e7af7b7dce236dcf05f4c98c", kill_on_drop: false }`
[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]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/unowned_buf-6c196f4489fa01b6)
[INFO] [stderr]      Running tests/bad_example.rs (/opt/rustwide/target/debug/deps/bad_example-c1973d6acef99329)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running tests/example.rs (/opt/rustwide/target/debug/deps/example-ddf8bd8a6c33612d)
[INFO] [stdout] test dummy ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test dummy ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 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-2d39cc9bee6f5024)
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test test_append ... ok
[INFO] [stdout] test test_append_read ... ok
[INFO] [stdout] test test_try_write ... ok
[INFO] [stdout] test test_read_until_limit_bug ... ok
[INFO] [stdout] test test_append_read_full ... ok
[INFO] [stdout] test test_append_copy_full ... ok
[INFO] [stdout] test test_write ... ok
[INFO] [stdout] test test_read_exact ... ok
[INFO] [stdout] test test_read ... ok
[INFO] [stdout] test test_read_until ... ok
[INFO] [stdout] test test_write_all ... ok
[INFO] [stdout] test test_read_until_limit_large ... ok
[INFO] [stdout] test test_read_to_end ... ok
[INFO] [stdout] test test_read_line ... ok
[INFO] [stdout] test test_read_string ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.22s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests unowned_buf
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 4) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.15s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5144cf300475084f4e5c77f615eccb90685a1648e7af7b7dce236dcf05f4c98c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5144cf300475084f4e5c77f615eccb90685a1648e7af7b7dce236dcf05f4c98c", kill_on_drop: false }`
[INFO] [stdout] 5144cf300475084f4e5c77f615eccb90685a1648e7af7b7dce236dcf05f4c98c