[INFO] cloning repository https://github.com/HeroicKatora/automata [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/HeroicKatora/automata" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHeroicKatora%2Fautomata", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHeroicKatora%2Fautomata'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 66d9f72b7e65262069825b0849f14060a4fcadd9 [INFO] checking HeroicKatora/automata against try#c8bdaa84ec1b37f18f30375e196a65b7602f3790 for pr-73345 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHeroicKatora%2Fautomata" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/HeroicKatora/automata on toolchain c8bdaa84ec1b37f18f30375e196a65b7602f3790 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/HeroicKatora/automata [INFO] finished tweaking git repo https://github.com/HeroicKatora/automata [INFO] tweaked toml for git repo https://github.com/HeroicKatora/automata written to /workspace/builds/worker-4/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "fetch" "--locked" "--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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 6fa06314f37cffdf51f9cb445dfdac70e39c95906874d10d5d0f084c7faddbf0 [INFO] running `Command { std: "docker" "start" "-a" "6fa06314f37cffdf51f9cb445dfdac70e39c95906874d10d5d0f084c7faddbf0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6fa06314f37cffdf51f9cb445dfdac70e39c95906874d10d5d0f084c7faddbf0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6fa06314f37cffdf51f9cb445dfdac70e39c95906874d10d5d0f084c7faddbf0", kill_on_drop: false }` [INFO] [stdout] 6fa06314f37cffdf51f9cb445dfdac70e39c95906874d10d5d0f084c7faddbf0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 079d2638bb640116dfd4f204dca7f49c5870f304c5ce4338f9663cbc9e4c6cac [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "079d2638bb640116dfd4f204dca7f49c5870f304c5ce4338f9663cbc9e4c6cac", kill_on_drop: false }` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Checking automata v0.0.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/deterministic.rs:172:41 [INFO] [stdout] | [INFO] [stdout] 172 | pub fn write_to(&self, output: &mut Write) -> io::Result<()> [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Write` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/dfa.rs:103:41 [INFO] [stdout] | [INFO] [stdout] 103 | pub fn write_to(&self, output: &mut Write) -> io::Result<()> [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Write` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/deterministic.rs:172:41 [INFO] [stdout] | [INFO] [stdout] 172 | pub fn write_to(&self, output: &mut Write) -> io::Result<()> [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Write` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/nfa.rs:281:41 [INFO] [stdout] | [INFO] [stdout] 281 | pub fn write_to(&self, output: &mut Write) -> io::Result<()> [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Write` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/dfa.rs:103:41 [INFO] [stdout] | [INFO] [stdout] 103 | pub fn write_to(&self, output: &mut Write) -> io::Result<()> [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Write` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/nfa.rs:281:41 [INFO] [stdout] | [INFO] [stdout] 281 | pub fn write_to(&self, output: &mut Write) -> io::Result<()> [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Write` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `graph` [INFO] [stdout] --> src/nfa.rs:32:5 [INFO] [stdout] | [INFO] [stdout] 32 | graph: NonDeterministic, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `regex` [INFO] [stdout] --> src/nfa.rs:35:5 [INFO] [stdout] | [INFO] [stdout] 35 | regex: Regex, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `graph` [INFO] [stdout] --> src/nfa.rs:32:5 [INFO] [stdout] | [INFO] [stdout] 32 | graph: NonDeterministic, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `regex` [INFO] [stdout] --> src/nfa.rs:35:5 [INFO] [stdout] | [INFO] [stdout] 35 | regex: Regex, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.92s [INFO] running `Command { std: "docker" "inspect" "079d2638bb640116dfd4f204dca7f49c5870f304c5ce4338f9663cbc9e4c6cac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "079d2638bb640116dfd4f204dca7f49c5870f304c5ce4338f9663cbc9e4c6cac", kill_on_drop: false }` [INFO] [stdout] 079d2638bb640116dfd4f204dca7f49c5870f304c5ce4338f9663cbc9e4c6cac