[INFO] fetching crate pomsky-syntax 0.11.0...
[INFO] testing pomsky-syntax-0.11.0 against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1
[INFO] extracting crate pomsky-syntax 0.11.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate pomsky-syntax 0.11.0
[INFO] finished tweaking crates.io crate pomsky-syntax 0.11.0
[INFO] tweaked toml for crates.io crate pomsky-syntax 0.11.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate pomsky-syntax 0.11.0 on toolchain caccb4d0368bd918ef6668af8e13834d07040417
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 7 packages to latest compatible versions
[INFO] [stderr]       Adding strsim v0.10.0 (available: v0.11.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8959cb120d1b9dcfa06bab507279da27154a28a51d5c6d1d68edd7f3fbdfc7f1
[INFO] running `Command { std: "docker" "start" "-a" "8959cb120d1b9dcfa06bab507279da27154a28a51d5c6d1d68edd7f3fbdfc7f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8959cb120d1b9dcfa06bab507279da27154a28a51d5c6d1d68edd7f3fbdfc7f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8959cb120d1b9dcfa06bab507279da27154a28a51d5c6d1d68edd7f3fbdfc7f1", kill_on_drop: false }`
[INFO] [stdout] 8959cb120d1b9dcfa06bab507279da27154a28a51d5c6d1d68edd7f3fbdfc7f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 07bfb941e88f90eee49d999b2a0979f51f2d80afbc5a6708ee5df53e23c98452
[INFO] running `Command { std: "docker" "start" "-a" "07bfb941e88f90eee49d999b2a0979f51f2d80afbc5a6708ee5df53e23c98452", kill_on_drop: false }`
[INFO] [stderr]    Compiling pomsky-syntax v0.11.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `split_off` is never used
[INFO] [stdout]   --> src/lexer/micro_regex.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout]  5 | pub(crate) trait MicroRegex {
[INFO] [stdout]    |                  ---------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 12 |     fn split_off<'a>(&self, haystack: &'a str) -> Option<(&'a str, &'a str)> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Either` is never constructed
[INFO] [stdout]   --> src/lexer/micro_regex.rs:77:19
[INFO] [stdout]    |
[INFO] [stdout] 77 | pub(crate) struct Either<A, B>(pub(crate) A, pub(crate) B);
[INFO] [stdout]    |                   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Not` is never constructed
[INFO] [stdout]    --> src/lexer/micro_regex.rs:121:19
[INFO] [stdout]     |
[INFO] [stdout] 121 | pub(crate) struct Not<I>(pub(crate) I);
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.32s
[INFO] running `Command { std: "docker" "inspect" "07bfb941e88f90eee49d999b2a0979f51f2d80afbc5a6708ee5df53e23c98452", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07bfb941e88f90eee49d999b2a0979f51f2d80afbc5a6708ee5df53e23c98452", kill_on_drop: false }`
[INFO] [stdout] 07bfb941e88f90eee49d999b2a0979f51f2d80afbc5a6708ee5df53e23c98452
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a2939e98652a17985c01b205caae325298d2d7bd9c625fb20a5c7f29f4c8a388
[INFO] running `Command { std: "docker" "start" "-a" "a2939e98652a17985c01b205caae325298d2d7bd9c625fb20a5c7f29f4c8a388", kill_on_drop: false }`
[INFO] [stderr]    Compiling pomsky-syntax v0.11.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `split_off` is never used
[INFO] [stdout]   --> src/lexer/micro_regex.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout]  5 | pub(crate) trait MicroRegex {
[INFO] [stdout]    |                  ---------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 12 |     fn split_off<'a>(&self, haystack: &'a str) -> Option<(&'a str, &'a str)> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Either` is never constructed
[INFO] [stdout]   --> src/lexer/micro_regex.rs:77:19
[INFO] [stdout]    |
[INFO] [stdout] 77 | pub(crate) struct Either<A, B>(pub(crate) A, pub(crate) B);
[INFO] [stdout]    |                   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Not` is never constructed
[INFO] [stdout]    --> src/lexer/micro_regex.rs:121:19
[INFO] [stdout]     |
[INFO] [stdout] 121 | pub(crate) struct Not<I>(pub(crate) I);
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `split_off` is never used
[INFO] [stdout]   --> src/lexer/micro_regex.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout]  5 | pub(crate) trait MicroRegex {
[INFO] [stdout]    |                  ---------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 12 |     fn split_off<'a>(&self, haystack: &'a str) -> Option<(&'a str, &'a str)> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Either` is never constructed
[INFO] [stdout]   --> src/lexer/micro_regex.rs:77:19
[INFO] [stdout]    |
[INFO] [stdout] 77 | pub(crate) struct Either<A, B>(pub(crate) A, pub(crate) B);
[INFO] [stdout]    |                   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Not` is never constructed
[INFO] [stdout]    --> src/lexer/micro_regex.rs:121:19
[INFO] [stdout]     |
[INFO] [stdout] 121 | pub(crate) struct Not<I>(pub(crate) I);
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `Command { std: "docker" "inspect" "a2939e98652a17985c01b205caae325298d2d7bd9c625fb20a5c7f29f4c8a388", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2939e98652a17985c01b205caae325298d2d7bd9c625fb20a5c7f29f4c8a388", kill_on_drop: false }`
[INFO] [stdout] a2939e98652a17985c01b205caae325298d2d7bd9c625fb20a5c7f29f4c8a388
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b4914aee3588343aab0144f40e562a69b653b76d6bac7b52aa9b08a3041fe6c5
[INFO] running `Command { std: "docker" "start" "-a" "b4914aee3588343aab0144f40e562a69b653b76d6bac7b52aa9b08a3041fe6c5", kill_on_drop: false }`
[INFO] [stderr] warning: method `split_off` is never used
[INFO] [stderr]   --> src/lexer/micro_regex.rs:12:8
[INFO] [stderr]    |
[INFO] [stderr]  5 | pub(crate) trait MicroRegex {
[INFO] [stderr]    |                  ---------- method in this trait
[INFO] [stderr] ...
[INFO] [stderr] 12 |     fn split_off<'a>(&self, haystack: &'a str) -> Option<(&'a str, &'a str)> {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Either` is never constructed
[INFO] [stderr]   --> src/lexer/micro_regex.rs:77:19
[INFO] [stderr]    |
[INFO] [stderr] 77 | pub(crate) struct Either<A, B>(pub(crate) A, pub(crate) B);
[INFO] [stderr]    |                   ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Not` is never constructed
[INFO] [stderr]    --> src/lexer/micro_regex.rs:121:19
[INFO] [stderr]     |
[INFO] [stderr] 121 | pub(crate) struct Not<I>(pub(crate) I);
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `pomsky-syntax` (lib) generated 3 warnings
[INFO] [stderr] warning: `pomsky-syntax` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/pomsky_syntax-cb8e531873b244e6)
[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]    Doc-tests pomsky_syntax
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 7) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.23s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b4914aee3588343aab0144f40e562a69b653b76d6bac7b52aa9b08a3041fe6c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4914aee3588343aab0144f40e562a69b653b76d6bac7b52aa9b08a3041fe6c5", kill_on_drop: false }`
[INFO] [stdout] b4914aee3588343aab0144f40e562a69b653b76d6bac7b52aa9b08a3041fe6c5