[INFO] updating cached repository https://github.com/whothey/lexan [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 79fbdd8f0c15eb9fba516c500a5c34eb33aa218e [INFO] checking whothey/lexan against master#8ac1525e091d3db28e67adcbbd6db1e1deaa37fb for pr-73323 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhothey%2Flexan" "/workspace/builds/worker-10/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/whothey/lexan on toolchain 8ac1525e091d3db28e67adcbbd6db1e1deaa37fb [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/whothey/lexan [INFO] finished tweaking git repo https://github.com/whothey/lexan [INFO] tweaked toml for git repo https://github.com/whothey/lexan written to /workspace/builds/worker-10/source/Cargo.toml [INFO] crate git repo https://github.com/whothey/lexan already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "fetch" "--locked" "--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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "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] 8690d73103e41968d80d27397deee50b8dcbfd766292518d08d140bc275359bd [INFO] running `Command { std: "docker" "start" "-a" "8690d73103e41968d80d27397deee50b8dcbfd766292518d08d140bc275359bd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8690d73103e41968d80d27397deee50b8dcbfd766292518d08d140bc275359bd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8690d73103e41968d80d27397deee50b8dcbfd766292518d08d140bc275359bd", kill_on_drop: false }` [INFO] [stdout] 8690d73103e41968d80d27397deee50b8dcbfd766292518d08d140bc275359bd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 890f71a4fa142f67b8199602818ffc6c5714304a93c48730d24603cec20393a8 [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" "890f71a4fa142f67b8199602818ffc6c5714304a93c48730d24603cec20393a8", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.24 [INFO] [stderr] Checking unicode-width v0.1.4 [INFO] [stderr] Checking vec_map v0.8.0 [INFO] [stderr] Checking strsim v0.6.0 [INFO] [stderr] Checking bitflags v0.9.1 [INFO] [stderr] Checking ansi_term v0.9.0 [INFO] [stderr] Checking memchr v1.0.1 [INFO] [stderr] Checking term_size v0.3.0 [INFO] [stderr] Checking atty v0.2.2 [INFO] [stderr] Checking aho-corasick v0.6.3 [INFO] [stderr] Checking textwrap v0.6.0 [INFO] [stderr] Checking clap v2.25.0 [INFO] [stderr] Checking regex v0.2.2 [INFO] [stderr] Checking env_logger v0.4.3 [INFO] [stderr] Checking lexan v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated item 'std::vec::Vec::::remove_item': Removing the first item equal to a needle is already easily possible with iterators and the current Vec methods. Furthermore, having a method for one particular case of removal (linear search, only the first item, no swap remove) but not for others is inconsistent. This method will be removed soon. [INFO] [stdout] --> src/dfa.rs:384:23 [INFO] [stdout] | [INFO] [stdout] 384 | unreached.remove_item(¤t); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'std::vec::Vec::::remove_item': Removing the first item equal to a needle is already easily possible with iterators and the current Vec methods. Furthermore, having a method for one particular case of removal (linear search, only the first item, no swap remove) but not for others is inconsistent. This method will be removed soon. [INFO] [stdout] --> src/dfa.rs:421:30 [INFO] [stdout] | [INFO] [stdout] 421 | dead.remove_item(&t.1); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'std::vec::Vec::::remove_item': Removing the first item equal to a needle is already easily possible with iterators and the current Vec methods. Furthermore, having a method for one particular case of removal (linear search, only the first item, no swap remove) but not for others is inconsistent. This method will be removed soon. [INFO] [stdout] --> src/dfa.rs:422:47 [INFO] [stdout] | [INFO] [stdout] 422 | for s in &path { dead.remove_item(s); } [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'std::vec::Vec::::remove_item': Removing the first item equal to a needle is already easily possible with iterators and the current Vec methods. Furthermore, having a method for one particular case of removal (linear search, only the first item, no swap remove) but not for others is inconsistent. This method will be removed soon. [INFO] [stdout] --> src/dfa.rs:427:35 [INFO] [stdout] | [INFO] [stdout] 427 | unvisited.remove_item(&t.1); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'std::vec::Vec::::remove_item': Removing the first item equal to a needle is already easily possible with iterators and the current Vec methods. Furthermore, having a method for one particular case of removal (linear search, only the first item, no swap remove) but not for others is inconsistent. This method will be removed soon. [INFO] [stdout] --> src/dfa.rs:384:23 [INFO] [stdout] | [INFO] [stdout] 384 | unreached.remove_item(¤t); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'std::vec::Vec::::remove_item': Removing the first item equal to a needle is already easily possible with iterators and the current Vec methods. Furthermore, having a method for one particular case of removal (linear search, only the first item, no swap remove) but not for others is inconsistent. This method will be removed soon. [INFO] [stdout] --> src/dfa.rs:421:30 [INFO] [stdout] | [INFO] [stdout] 421 | dead.remove_item(&t.1); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'std::vec::Vec::::remove_item': Removing the first item equal to a needle is already easily possible with iterators and the current Vec methods. Furthermore, having a method for one particular case of removal (linear search, only the first item, no swap remove) but not for others is inconsistent. This method will be removed soon. [INFO] [stdout] --> src/dfa.rs:422:47 [INFO] [stdout] | [INFO] [stdout] 422 | for s in &path { dead.remove_item(s); } [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'std::vec::Vec::::remove_item': Removing the first item equal to a needle is already easily possible with iterators and the current Vec methods. Furthermore, having a method for one particular case of removal (linear search, only the first item, no swap remove) but not for others is inconsistent. This method will be removed soon. [INFO] [stdout] --> src/dfa.rs:427:35 [INFO] [stdout] | [INFO] [stdout] 427 | unvisited.remove_item(&t.1); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/dfa.rs:299:25 [INFO] [stdout] | [INFO] [stdout] 299 | mem::replace(ts, dets); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/dfa.rs:299:25 [INFO] [stdout] | [INFO] [stdout] 299 | mem::replace(ts, dets); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 9.60s [INFO] running `Command { std: "docker" "inspect" "890f71a4fa142f67b8199602818ffc6c5714304a93c48730d24603cec20393a8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "890f71a4fa142f67b8199602818ffc6c5714304a93c48730d24603cec20393a8", kill_on_drop: false }` [INFO] [stdout] 890f71a4fa142f67b8199602818ffc6c5714304a93c48730d24603cec20393a8