[INFO] fetching crate rustring_builder 0.2.0...
[INFO] testing rustring_builder-0.2.0 against try#ed7f3d77595b4831fdf085f2529aa13b5b51ff7d for pr-134530
[INFO] extracting crate rustring_builder 0.2.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate rustring_builder 0.2.0 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 rustring_builder 0.2.0
[INFO] finished tweaking crates.io crate rustring_builder 0.2.0
[INFO] tweaked toml for crates.io crate rustring_builder 0.2.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate crates.io crate rustring_builder 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" "+ed7f3d77595b4831fdf085f2529aa13b5b51ff7d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ed7f3d77595b4831fdf085f2529aa13b5b51ff7d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1fe2c91fb8c17039c72dcb572d96271a4490187b50d8fa13f44d1dac4826c095
[INFO] running `Command { std: "docker" "start" "-a" "1fe2c91fb8c17039c72dcb572d96271a4490187b50d8fa13f44d1dac4826c095", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1fe2c91fb8c17039c72dcb572d96271a4490187b50d8fa13f44d1dac4826c095", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fe2c91fb8c17039c72dcb572d96271a4490187b50d8fa13f44d1dac4826c095", kill_on_drop: false }`
[INFO] [stdout] 1fe2c91fb8c17039c72dcb572d96271a4490187b50d8fa13f44d1dac4826c095
[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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ed7f3d77595b4831fdf085f2529aa13b5b51ff7d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 66139a7c7665ec9b246c06f6788619261016126fba86dd78499e4bf9c2f92688
[INFO] running `Command { std: "docker" "start" "-a" "66139a7c7665ec9b246c06f6788619261016126fba86dd78499e4bf9c2f92688", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustring_builder v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "66139a7c7665ec9b246c06f6788619261016126fba86dd78499e4bf9c2f92688", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66139a7c7665ec9b246c06f6788619261016126fba86dd78499e4bf9c2f92688", kill_on_drop: false }`
[INFO] [stdout] 66139a7c7665ec9b246c06f6788619261016126fba86dd78499e4bf9c2f92688
[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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ed7f3d77595b4831fdf085f2529aa13b5b51ff7d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 33e5f1406eb4bab2dea9610659034b07695b0ed73eab25bb34689f4d94627601
[INFO] running `Command { std: "docker" "start" "-a" "33e5f1406eb4bab2dea9610659034b07695b0ed73eab25bb34689f4d94627601", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustring_builder v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `Command { std: "docker" "inspect" "33e5f1406eb4bab2dea9610659034b07695b0ed73eab25bb34689f4d94627601", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33e5f1406eb4bab2dea9610659034b07695b0ed73eab25bb34689f4d94627601", kill_on_drop: false }`
[INFO] [stdout] 33e5f1406eb4bab2dea9610659034b07695b0ed73eab25bb34689f4d94627601
[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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ed7f3d77595b4831fdf085f2529aa13b5b51ff7d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e8aead6746f8a97e78443cb1319a3d7139a58b984d26f24bd6e07d27cd732103
[INFO] running `Command { std: "docker" "start" "-a" "e8aead6746f8a97e78443cb1319a3d7139a58b984d26f24bd6e07d27cd732103", 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/rustring_builder-37bf8f6cb819e513)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test tests::test_add_char ... ok
[INFO] [stdout] test tests::test_cloning ... ok
[INFO] [stdout] test tests::test_appending_other_values ... ok
[INFO] [stdout] test tests::test_append_str ... ok
[INFO] [stdout] test tests::test_iteration ... ok
[INFO] [stdout] test tests::test_nth_value ... ok
[INFO] [stdout] test tests::test_setting ... ok
[INFO] [stdout] test tests::test_unicode_char ... ok
[INFO] [stdout] test tests::test_two_builders ... ok
[INFO] [stdout] test tests::test_len ... ok
[INFO] [stdout] test tests::test_compound_values ... 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]      Running tests/insert_at.rs (/opt/rustwide/target/debug/deps/insert_at-a32bd28bcd1df747)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_insert_at ... ok
[INFO] [stdout] test test_insert_at_with_len ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/main_test.rs (/opt/rustwide/target/debug/deps/main_test-81ba1a995d42f68b)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test test_bad_ntn_access ... ok
[INFO] [stdout] test test_concatenation ... ok
[INFO] [stdout] test test_add_another_string_builder ... ok
[INFO] [stdout] test test_len ... ok
[INFO] [stdout] test test_n_elements ... ok
[INFO] [stdout] test test_to_string ... ok
[INFO] [stdout] test test_ntn ... ok
[INFO] [stdout] test test_clone ... ok
[INFO] [stdout] test test_append_str ... ok
[INFO] [stdout] test test_create ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/operators_test.rs (/opt/rustwide/target/debug/deps/operators_test-59e575da98613d57)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_concat_two_string_builders_into_a_third ... 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/types_test.rs (/opt/rustwide/target/debug/deps/types_test-ecb0ca1b30231fca)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_appending_different_types ... ok
[INFO] [stdout] test test_types ... 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 rustring_builder
[INFO] [stderr] error: DefId(0:7 ~ rustring_builder[e393]::StringBuilder) 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 rustring_builder --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 rustring_builder=/opt/rustwide/target/debug/deps/librustring_builder-de4b50c8b8f89e8a.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" "e8aead6746f8a97e78443cb1319a3d7139a58b984d26f24bd6e07d27cd732103", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8aead6746f8a97e78443cb1319a3d7139a58b984d26f24bd6e07d27cd732103", kill_on_drop: false }`
[INFO] [stdout] e8aead6746f8a97e78443cb1319a3d7139a58b984d26f24bd6e07d27cd732103