[INFO] fetching crate is_empty 0.3.0...
[INFO] testing is_empty-0.3.0 against try#ed7f3d77595b4831fdf085f2529aa13b5b51ff7d for pr-134530
[INFO] extracting crate is_empty 0.3.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate is_empty 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 is_empty 0.3.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate is_empty 0.3.0
[INFO] tweaked toml for crates.io crate is_empty 0.3.0 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]     Updating crates.io index
[INFO] [stderr]      Locking 12 packages to latest compatible versions
[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-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] 1d9f0072a92ecad144554f672438a9bc38cefb41a8685e407a9bdfd0f7f75a4a
[INFO] running `Command { std: "docker" "start" "-a" "1d9f0072a92ecad144554f672438a9bc38cefb41a8685e407a9bdfd0f7f75a4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d9f0072a92ecad144554f672438a9bc38cefb41a8685e407a9bdfd0f7f75a4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d9f0072a92ecad144554f672438a9bc38cefb41a8685e407a9bdfd0f7f75a4a", kill_on_drop: false }`
[INFO] [stdout] 1d9f0072a92ecad144554f672438a9bc38cefb41a8685e407a9bdfd0f7f75a4a
[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] dab91e2807aa2b7e1ac173ae27e33a9ec7c5f22f950bec72411f7d7843d25708
[INFO] running `Command { std: "docker" "start" "-a" "dab91e2807aa2b7e1ac173ae27e33a9ec7c5f22f950bec72411f7d7843d25708", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling is_empty_derive v0.1.0
[INFO] [stderr]    Compiling is_empty v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.90s
[INFO] running `Command { std: "docker" "inspect" "dab91e2807aa2b7e1ac173ae27e33a9ec7c5f22f950bec72411f7d7843d25708", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dab91e2807aa2b7e1ac173ae27e33a9ec7c5f22f950bec72411f7d7843d25708", kill_on_drop: false }`
[INFO] [stdout] dab91e2807aa2b7e1ac173ae27e33a9ec7c5f22f950bec72411f7d7843d25708
[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] 4e9036ad1e294d4878d66f83db10433114c5f5739ebd58db5576d5866fa22edb
[INFO] running `Command { std: "docker" "start" "-a" "4e9036ad1e294d4878d66f83db10433114c5f5739ebd58db5576d5866fa22edb", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.216
[INFO] [stderr]    Compiling syn v2.0.90
[INFO] [stderr]    Compiling serde_derive v1.0.216
[INFO] [stderr]    Compiling serde_json v1.0.133
[INFO] [stderr]    Compiling is_empty v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `is_option_really_empty`
[INFO] [stdout]  --> tests/option_wrapped.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use is_empty::{is_option_really_empty, IsEmpty};
[INFO] [stdout]   |                ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 13.38s
[INFO] running `Command { std: "docker" "inspect" "4e9036ad1e294d4878d66f83db10433114c5f5739ebd58db5576d5866fa22edb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e9036ad1e294d4878d66f83db10433114c5f5739ebd58db5576d5866fa22edb", kill_on_drop: false }`
[INFO] [stdout] 4e9036ad1e294d4878d66f83db10433114c5f5739ebd58db5576d5866fa22edb
[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] 64edb8b10ae43799f9bba8b4a948ba7ad8987792b9fa5edab58374702ce7fdf0
[INFO] running `Command { std: "docker" "start" "-a" "64edb8b10ae43799f9bba8b4a948ba7ad8987792b9fa5edab58374702ce7fdf0", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `is_option_really_empty`
[INFO] [stderr]  --> tests/option_wrapped.rs:1:16
[INFO] [stderr]   |
[INFO] [stderr] 1 | use is_empty::{is_option_really_empty, IsEmpty};
[INFO] [stderr]   |                ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `is_empty` (test "option_wrapped") generated 1 warning (run `cargo fix --test "option_wrapped"` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/is_empty-512dd408238b99ef)
[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]      Running tests/basic.rs (/opt/rustwide/target/debug/deps/basic-174c1125afd1c3ff)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_is_empty ... 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] [stderr]      Running tests/is_empty_attr.rs (/opt/rustwide/target/debug/deps/is_empty_attr-91414bf1d4d6d593)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_is_empty_for_vec_with_attr ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/option_wrapped.rs (/opt/rustwide/target/debug/deps/option_wrapped-e82b2c0906e8fa7c)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_option_wrapped ... 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/std_impls.rs (/opt/rustwide/target/debug/deps/std_impls-e6840e68311b4042)
[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]      Running tests/test_nested.rs (/opt/rustwide/target/debug/deps/test_nested-189612cb5955fd66)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_is_empty_nested ... 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]    Doc-tests is_empty
[INFO] [stderr] error: DefId(0:0 ~ is_empty[e655]) 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=2021 --crate-type lib --color auto --crate-name is_empty --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 is_empty=/opt/rustwide/target/debug/deps/libis_empty-60c94aef719c361a.rlib --extern is_empty_derive=/opt/rustwide/target/debug/deps/libis_empty_derive-efbcbdd9f7d2f462.so --extern serde=/opt/rustwide/target/debug/deps/libserde-55a9f0448da89bc8.rlib --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-bc5c2c39d1061001.rlib -C embed-bitcode=no --check-cfg 'cfg(docsrs)' --check-cfg 'cfg(feature, values("std_impls"))' --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" "64edb8b10ae43799f9bba8b4a948ba7ad8987792b9fa5edab58374702ce7fdf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64edb8b10ae43799f9bba8b4a948ba7ad8987792b9fa5edab58374702ce7fdf0", kill_on_drop: false }`
[INFO] [stdout] 64edb8b10ae43799f9bba8b4a948ba7ad8987792b9fa5edab58374702ce7fdf0