[INFO] fetching crate optcollection 0.1.6...
[INFO] testing optcollection-0.1.6 against try#ed7f3d77595b4831fdf085f2529aa13b5b51ff7d for pr-134530
[INFO] extracting crate optcollection 0.1.6 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate optcollection 0.1.6 on toolchain ed7f3d77595b4831fdf085f2529aa13b5b51ff7d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ed7f3d77595b4831fdf085f2529aa13b5b51ff7d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate optcollection 0.1.6
[INFO] finished tweaking crates.io crate optcollection 0.1.6
[INFO] tweaked toml for crates.io crate optcollection 0.1.6 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ed7f3d77595b4831fdf085f2529aa13b5b51ff7d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ed7f3d77595b4831fdf085f2529aa13b5b51ff7d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ed7f3d77595b4831fdf085f2529aa13b5b51ff7d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7744e4388d7cc41acea3d4eb4f600d11259aa745e0d73fc368951f865d8a85bd
[INFO] running `Command { std: "docker" "start" "-a" "7744e4388d7cc41acea3d4eb4f600d11259aa745e0d73fc368951f865d8a85bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7744e4388d7cc41acea3d4eb4f600d11259aa745e0d73fc368951f865d8a85bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7744e4388d7cc41acea3d4eb4f600d11259aa745e0d73fc368951f865d8a85bd", kill_on_drop: false }`
[INFO] [stdout] 7744e4388d7cc41acea3d4eb4f600d11259aa745e0d73fc368951f865d8a85bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ed7f3d77595b4831fdf085f2529aa13b5b51ff7d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8204795c19769846f9e220243a24c91ce7754740bf64eabf25daaa3780ae3b4e
[INFO] running `Command { std: "docker" "start" "-a" "8204795c19769846f9e220243a24c91ce7754740bf64eabf25daaa3780ae3b4e", kill_on_drop: false }`
[INFO] [stderr]    Compiling optcollection v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] running `Command { std: "docker" "inspect" "8204795c19769846f9e220243a24c91ce7754740bf64eabf25daaa3780ae3b4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8204795c19769846f9e220243a24c91ce7754740bf64eabf25daaa3780ae3b4e", kill_on_drop: false }`
[INFO] [stdout] 8204795c19769846f9e220243a24c91ce7754740bf64eabf25daaa3780ae3b4e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ed7f3d77595b4831fdf085f2529aa13b5b51ff7d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f9e349be9997bbdc1765ba812130b71f343762f02e69db9633f154986adc0f05
[INFO] running `Command { std: "docker" "start" "-a" "f9e349be9997bbdc1765ba812130b71f343762f02e69db9633f154986adc0f05", kill_on_drop: false }`
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling optcollection v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "f9e349be9997bbdc1765ba812130b71f343762f02e69db9633f154986adc0f05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9e349be9997bbdc1765ba812130b71f343762f02e69db9633f154986adc0f05", kill_on_drop: false }`
[INFO] [stdout] f9e349be9997bbdc1765ba812130b71f343762f02e69db9633f154986adc0f05
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ed7f3d77595b4831fdf085f2529aa13b5b51ff7d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 02b75ca5257504e8c831fb9ec6195b8b9a8a897e46ff9004064a3a9ad42dc1aa
[INFO] running `Command { std: "docker" "start" "-a" "02b75ca5257504e8c831fb9ec6195b8b9a8a897e46ff9004064a3a9ad42dc1aa", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/optcollection-a3036eb76dba8560)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test empty_into_none::test::binary_heap ... ok
[INFO] [stdout] test empty_into_none::test::btree_set ... ok
[INFO] [stdout] test empty_into_none::test::hash_map ... ok
[INFO] [stdout] test empty_into_none::test::btree_map ... ok
[INFO] [stdout] test empty_into_none::test::linked_list ... ok
[INFO] [stdout] test empty_into_none::test::str ... ok
[INFO] [stdout] test empty_into_none::test::string ... ok
[INFO] [stdout] test empty_into_none::test::vec_deque ... ok
[INFO] [stdout] test empty_into_none::test::hash_set ... ok
[INFO] [stdout] test empty_into_none::test::slice ... ok
[INFO] [stdout] test empty_into_none::test::vec ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests optcollection
[INFO] [stderr] error: DefId(0:5 ~ optcollection[0b84]::empty_into_none::EmptyIntoNone) has more than five doctests
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 1 previous error
[INFO] [stderr] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/ed7f3d77595b4831fdf085f2529aa13b5b51ff7d/bin/rustdoc --edition=2018 --crate-type lib --color auto --crate-name optcollection --test src/lib.rs --test-run-directory /opt/rustwide/workdir -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern maplit=/opt/rustwide/target/debug/deps/libmaplit-019dc3e6fa39a754.rlib --extern optcollection=/opt/rustwide/target/debug/deps/liboptcollection-bd7016302c3ef42b.rlib -C embed-bitcode=no --check-cfg 'cfg(docsrs)' --check-cfg 'cfg(feature, values())' --cap-lints=forbid --error-format human` (exit status: 1)
[INFO] [stderr] note: test exited abnormally; to see the full output pass --nocapture to the harness.
[INFO] running `Command { std: "docker" "inspect" "02b75ca5257504e8c831fb9ec6195b8b9a8a897e46ff9004064a3a9ad42dc1aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02b75ca5257504e8c831fb9ec6195b8b9a8a897e46ff9004064a3a9ad42dc1aa", kill_on_drop: false }`
[INFO] [stdout] 02b75ca5257504e8c831fb9ec6195b8b9a8a897e46ff9004064a3a9ad42dc1aa