[INFO] fetching crate pomsky-syntax 0.11.0...
[INFO] checking pomsky-syntax-0.11.0 against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] extracting crate pomsky-syntax 0.11.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate pomsky-syntax 0.11.0 on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 8 packages to latest compatible versions
[INFO] [stderr]       Adding strsim v0.10.0 (latest: v0.11.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 796992bbaea938b840e0e3c17c0719c39238afcacba8c38f9f7e6ac8d32ee8d1
[INFO] running `Command { std: "docker" "start" "-a" "796992bbaea938b840e0e3c17c0719c39238afcacba8c38f9f7e6ac8d32ee8d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "796992bbaea938b840e0e3c17c0719c39238afcacba8c38f9f7e6ac8d32ee8d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "796992bbaea938b840e0e3c17c0719c39238afcacba8c38f9f7e6ac8d32ee8d1", kill_on_drop: false }`
[INFO] [stdout] 796992bbaea938b840e0e3c17c0719c39238afcacba8c38f9f7e6ac8d32ee8d1
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2e1e87bebc3fb66728f5dcce0c698397ef4a35b284b180e032d7fd7e93e180cc
[INFO] running `Command { std: "docker" "start" "-a" "2e1e87bebc3fb66728f5dcce0c698397ef4a35b284b180e032d7fd7e93e180cc", 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)]` 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)]` 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: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "2e1e87bebc3fb66728f5dcce0c698397ef4a35b284b180e032d7fd7e93e180cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e1e87bebc3fb66728f5dcce0c698397ef4a35b284b180e032d7fd7e93e180cc", kill_on_drop: false }`
[INFO] [stdout] 2e1e87bebc3fb66728f5dcce0c698397ef4a35b284b180e032d7fd7e93e180cc
[INFO] checking pomsky-syntax-0.11.0 against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] extracting crate pomsky-syntax 0.11.0 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate pomsky-syntax 0.11.0 on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 8 packages to latest compatible versions
[INFO] [stderr]       Adding strsim v0.10.0 (latest: v0.11.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 928719ecfecb8cf6ff5a6983c5d8c40aaae3b9504b3b000171a9b44866cc5a3c
[INFO] running `Command { std: "docker" "start" "-a" "928719ecfecb8cf6ff5a6983c5d8c40aaae3b9504b3b000171a9b44866cc5a3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "928719ecfecb8cf6ff5a6983c5d8c40aaae3b9504b3b000171a9b44866cc5a3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "928719ecfecb8cf6ff5a6983c5d8c40aaae3b9504b3b000171a9b44866cc5a3c", kill_on_drop: false }`
[INFO] [stdout] 928719ecfecb8cf6ff5a6983c5d8c40aaae3b9504b3b000171a9b44866cc5a3c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 02dd5ade1cd87c878f983baab3c7eb324d0a5d4167184aaf2d6bfccf7de26b6d
[INFO] running `Command { std: "docker" "start" "-a" "02dd5ade1cd87c878f983baab3c7eb324d0a5d4167184aaf2d6bfccf7de26b6d", 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)]` 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: 3 warnings emitted
[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)]` 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: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.14s
[INFO] running `Command { std: "docker" "inspect" "02dd5ade1cd87c878f983baab3c7eb324d0a5d4167184aaf2d6bfccf7de26b6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02dd5ade1cd87c878f983baab3c7eb324d0a5d4167184aaf2d6bfccf7de26b6d", kill_on_drop: false }`
[INFO] [stdout] 02dd5ade1cd87c878f983baab3c7eb324d0a5d4167184aaf2d6bfccf7de26b6d