[INFO] fetching crate rusty_strings 0.1.0...
[INFO] testing rusty_strings-0.1.0 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145330-1
[INFO] extracting crate rusty_strings 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate rusty_strings 0.1.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate rusty_strings 0.1.0
[INFO] tweaked toml for crates.io crate rusty_strings 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rusty_strings 0.1.0 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rusty_strings 0.1.0 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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "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-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4460b2e4da0e2f5977feea040e38148c3308604bf6060debb849b9ad36c17b21
[INFO] running `Command { std: "docker" "start" "-a" "4460b2e4da0e2f5977feea040e38148c3308604bf6060debb849b9ad36c17b21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4460b2e4da0e2f5977feea040e38148c3308604bf6060debb849b9ad36c17b21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4460b2e4da0e2f5977feea040e38148c3308604bf6060debb849b9ad36c17b21", kill_on_drop: false }`
[INFO] [stdout] 4460b2e4da0e2f5977feea040e38148c3308604bf6060debb849b9ad36c17b21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 866076bfb1a1347467969d3164c5360814ecb71f3191c945ecfbd831c99063ac
[INFO] running `Command { std: "docker" "start" "-a" "866076bfb1a1347467969d3164c5360814ecb71f3191c945ecfbd831c99063ac", kill_on_drop: false }`
[INFO] [stderr]    Compiling rusty_strings v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "866076bfb1a1347467969d3164c5360814ecb71f3191c945ecfbd831c99063ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "866076bfb1a1347467969d3164c5360814ecb71f3191c945ecfbd831c99063ac", kill_on_drop: false }`
[INFO] [stdout] 866076bfb1a1347467969d3164c5360814ecb71f3191c945ecfbd831c99063ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] de8844c5b0ef271c58282e590282c58480ad19196abcd12d0edcfc8bda3625ae
[INFO] running `Command { std: "docker" "start" "-a" "de8844c5b0ef271c58282e590282c58480ad19196abcd12d0edcfc8bda3625ae", kill_on_drop: false }`
[INFO] [stderr]    Compiling rusty_strings v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "de8844c5b0ef271c58282e590282c58480ad19196abcd12d0edcfc8bda3625ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de8844c5b0ef271c58282e590282c58480ad19196abcd12d0edcfc8bda3625ae", kill_on_drop: false }`
[INFO] [stdout] de8844c5b0ef271c58282e590282c58480ad19196abcd12d0edcfc8bda3625ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8883fb21bde56dfebaed6cc5239c49ed7202ab3c39afe19afc05042e71d458ab
[INFO] running `Command { std: "docker" "start" "-a" "8883fb21bde56dfebaed6cc5239c49ed7202ab3c39afe19afc05042e71d458ab", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rusty_strings-e076b920c9522030)
[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/count_chars.rs (/opt/rustwide/target/debug/deps/count_chars-1a10f9dac58aeb67)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test test_count_chars_empty_string ... ok
[INFO] [stdout] test test_count_chars_numeric ... ok
[INFO] [stdout] test test_count_chars_whitespace ... ok
[INFO] [stdout] test test_count_chars ... ok
[INFO] [stdout] test test_count_chars_unicode ... ok
[INFO] [stdout] test test_count_chars_case_sensitive ... ok
[INFO] [stdout] test test_count_chars_special_characters ... ok
[INFO] [stdout] test test_count_chars_no_occurrences ... ok
[INFO] [stdout] test test_count_chars_long_string ... ok
[INFO] [stderr]      Running tests/palindrome.rs (/opt/rustwide/target/debug/deps/palindrome-fb7924c3a7a7bf49)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test test_palindrome_single_character ... ok
[INFO] [stdout] test test_palindrome_mixed_case ... ok
[INFO] [stdout] test test_palindrome_with_punctuation ... ok
[INFO] [stdout] test test_palindrome_empty_string ... ok
[INFO] [stdout] test test_palindrome_with_spaces ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rusty_strings
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test src/lib.rs - count_chars (line 23) ... ok
[INFO] [stdout] test src/splits.rs - splits::split_into_n_parts (line 201) ... ok
[INFO] [stdout] test src/splits.rs - splits::split_into_n_parts (line 209) ... ok
[INFO] [stdout] test src/splits.rs - splits::split_into_n_parts_returns_owned (line 254) ... ok
[INFO] [stdout] test src/splits.rs - splits::split_into_n_parts_returns_owned (line 245) ... ok
[INFO] [stdout] test src/splits.rs - splits::split_keeping_delimiter (line 125) ... ok
[INFO] [stdout] test src/splits.rs - splits::split_keeping_delimiter (line 111) ... ok
[INFO] [stdout] test src/splits.rs - splits::split_keeping_delimiter (line 118) ... ok
[INFO] [stdout] test src/splits.rs - splits::split_on_delimiters (line 35) ... ok
[INFO] [stdout] test src/splits.rs - splits::split_on_delimiters (line 27) ... ok
[INFO] [stdout] test src/splits.rs - splits::split_keeping_delimiter_returns_owned (line 160) ... ok
[INFO] [stdout] test src/splits.rs - splits::split_on_delimiters_returns_owned (line 72) ... ok
[INFO] [stdout] test src/lib.rs - check_for_palindrome (line 10) ... ok
[INFO] [stdout] test src/splits.rs - splits::split_into_n_parts (line 193) ... ok
[INFO] [stdout] test src/splits.rs - splits::split_into_n_parts_returns_owned (line 263) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.10s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8883fb21bde56dfebaed6cc5239c49ed7202ab3c39afe19afc05042e71d458ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8883fb21bde56dfebaed6cc5239c49ed7202ab3c39afe19afc05042e71d458ab", kill_on_drop: false }`
[INFO] [stdout] 8883fb21bde56dfebaed6cc5239c49ed7202ab3c39afe19afc05042e71d458ab