[INFO] fetching crate vec-option 0.3.0...
[INFO] testing vec-option-0.3.0 against try#ed7f3d77595b4831fdf085f2529aa13b5b51ff7d for pr-134530
[INFO] extracting crate vec-option 0.3.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate vec-option 0.3.0 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 vec-option 0.3.0
[INFO] finished tweaking crates.io crate vec-option 0.3.0
[INFO] tweaked toml for crates.io crate vec-option 0.3.0 written to /workspace/builds/worker-4-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] 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] d603c184c2c4d3a92016706b7f1c205e13559f325278ba3b69285230f19f63af
[INFO] running `Command { std: "docker" "start" "-a" "d603c184c2c4d3a92016706b7f1c205e13559f325278ba3b69285230f19f63af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d603c184c2c4d3a92016706b7f1c205e13559f325278ba3b69285230f19f63af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d603c184c2c4d3a92016706b7f1c205e13559f325278ba3b69285230f19f63af", kill_on_drop: false }`
[INFO] [stdout] d603c184c2c4d3a92016706b7f1c205e13559f325278ba3b69285230f19f63af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 27b751ecc533dcdaa8d817ab7668f95ff587db04999422cdc9f4d3f2a4ce8854
[INFO] running `Command { std: "docker" "start" "-a" "27b751ecc533dcdaa8d817ab7668f95ff587db04999422cdc9f4d3f2a4ce8854", kill_on_drop: false }`
[INFO] [stderr]    Compiling vec-option v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `unreachable_unchecked` is never used
[INFO] [stdout]    --> src/lib.rs:149:11
[INFO] [stdout]     |
[INFO] [stdout] 149 | unsafe fn unreachable_unchecked() -> ! {
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `UnwrapUnchecked` is never used
[INFO] [stdout]    --> src/lib.rs:172:7
[INFO] [stdout]     |
[INFO] [stdout] 172 | trait UnwrapUnchecked {
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `CellExt` is never used
[INFO] [stdout]   --> src/bit_vec.rs:20:7
[INFO] [stdout]    |
[INFO] [stdout] 20 | trait CellExt<T: ?Sized> {
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "27b751ecc533dcdaa8d817ab7668f95ff587db04999422cdc9f4d3f2a4ce8854", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27b751ecc533dcdaa8d817ab7668f95ff587db04999422cdc9f4d3f2a4ce8854", kill_on_drop: false }`
[INFO] [stdout] 27b751ecc533dcdaa8d817ab7668f95ff587db04999422cdc9f4d3f2a4ce8854
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 9c58040a3f76cc55d5aa5d71d14cb68200aca8f4519d5f8183fa8f2af5cbd322
[INFO] running `Command { std: "docker" "start" "-a" "9c58040a3f76cc55d5aa5d71d14cb68200aca8f4519d5f8183fa8f2af5cbd322", kill_on_drop: false }`
[INFO] [stdout] warning: function `unreachable_unchecked` is never used
[INFO] [stdout]    --> src/lib.rs:149:11
[INFO] [stdout]     |
[INFO] [stdout] 149 | unsafe fn unreachable_unchecked() -> ! {
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `UnwrapUnchecked` is never used
[INFO] [stdout]    --> src/lib.rs:172:7
[INFO] [stdout]     |
[INFO] [stdout] 172 | trait UnwrapUnchecked {
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `CellExt` is never used
[INFO] [stdout]   --> src/bit_vec.rs:20:7
[INFO] [stdout]    |
[INFO] [stdout] 20 | trait CellExt<T: ?Sized> {
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling vec-option v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `unreachable_unchecked` is never used
[INFO] [stdout]    --> src/lib.rs:149:11
[INFO] [stdout]     |
[INFO] [stdout] 149 | unsafe fn unreachable_unchecked() -> ! {
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `UnwrapUnchecked` is never used
[INFO] [stdout]    --> src/lib.rs:172:7
[INFO] [stdout]     |
[INFO] [stdout] 172 | trait UnwrapUnchecked {
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `CellExt` is never used
[INFO] [stdout]   --> src/bit_vec.rs:20:7
[INFO] [stdout]    |
[INFO] [stdout] 20 | trait CellExt<T: ?Sized> {
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "9c58040a3f76cc55d5aa5d71d14cb68200aca8f4519d5f8183fa8f2af5cbd322", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c58040a3f76cc55d5aa5d71d14cb68200aca8f4519d5f8183fa8f2af5cbd322", kill_on_drop: false }`
[INFO] [stdout] 9c58040a3f76cc55d5aa5d71d14cb68200aca8f4519d5f8183fa8f2af5cbd322
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 749a3aeb6610642782b6997738ef3f2d01deae7bc5d23ff7ee37d0b64bf9a1db
[INFO] running `Command { std: "docker" "start" "-a" "749a3aeb6610642782b6997738ef3f2d01deae7bc5d23ff7ee37d0b64bf9a1db", kill_on_drop: false }`
[INFO] [stderr] warning: function `unreachable_unchecked` is never used
[INFO] [stderr]    --> src/lib.rs:149:11
[INFO] [stderr]     |
[INFO] [stderr] 149 | unsafe fn unreachable_unchecked() -> ! {
[INFO] [stderr]     |           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait `UnwrapUnchecked` is never used
[INFO] [stderr]    --> src/lib.rs:172:7
[INFO] [stderr]     |
[INFO] [stderr] 172 | trait UnwrapUnchecked {
[INFO] [stderr]     |       ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `CellExt` is never used
[INFO] [stderr]   --> src/bit_vec.rs:20:7
[INFO] [stderr]    |
[INFO] [stderr] 20 | trait CellExt<T: ?Sized> {
[INFO] [stderr]    |       ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `vec-option` (lib) generated 3 warnings
[INFO] [stderr] warning: `vec-option` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/vec_option-66f61cfb2e9590fb)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test bit_vec::bit_vec ... ok
[INFO] [stdout] test test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests vec_option
[INFO] [stderr] error: DefId(0:0 ~ vec_option[696c]) 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 vec_option --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 vec_option=/opt/rustwide/target/debug/deps/libvec_option-5062941b454d694d.rlib -C embed-bitcode=no --check-cfg 'cfg(docsrs)' --check-cfg 'cfg(feature, values("nightly"))' --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" "749a3aeb6610642782b6997738ef3f2d01deae7bc5d23ff7ee37d0b64bf9a1db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "749a3aeb6610642782b6997738ef3f2d01deae7bc5d23ff7ee37d0b64bf9a1db", kill_on_drop: false }`
[INFO] [stdout] 749a3aeb6610642782b6997738ef3f2d01deae7bc5d23ff7ee37d0b64bf9a1db