[INFO] cloning repository https://github.com/conradludgate/awk-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/conradludgate/awk-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fconradludgate%2Fawk-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fconradludgate%2Fawk-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bb4c53e02a5ae63e95a86832708f3ff14d34b6ac
[INFO] checking conradludgate/awk-rs against try#c8bdaa84ec1b37f18f30375e196a65b7602f3790 for pr-73345
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fconradludgate%2Fawk-rs" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/conradludgate/awk-rs 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/conradludgate/awk-rs
[INFO] finished tweaking git repo https://github.com/conradludgate/awk-rs
[INFO] tweaked toml for git repo https://github.com/conradludgate/awk-rs written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/conradludgate/awk-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stdout] 5a4db1ebd516dd4ada77cd1e29e44c19ee6a701a5aaff6202a3dec1a6721dbdd
[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" "5a4db1ebd516dd4ada77cd1e29e44c19ee6a701a5aaff6202a3dec1a6721dbdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a4db1ebd516dd4ada77cd1e29e44c19ee6a701a5aaff6202a3dec1a6721dbdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a4db1ebd516dd4ada77cd1e29e44c19ee6a701a5aaff6202a3dec1a6721dbdd", kill_on_drop: false }`
[INFO] [stdout] 5a4db1ebd516dd4ada77cd1e29e44c19ee6a701a5aaff6202a3dec1a6721dbdd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 027bfd841cce54b1fb8c6d0bdbc7052f347f8d493daadf55efddc476a8983efb
[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" "027bfd841cce54b1fb8c6d0bdbc7052f347f8d493daadf55efddc476a8983efb", kill_on_drop: false }`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]     Checking regex v1.3.7
[INFO] [stderr]     Checking awk v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `BEGIN`
[INFO] [stdout]   --> src/structure.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     BEGIN,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `END`
[INFO] [stdout]   --> src/structure.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     END,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Variable`
[INFO] [stdout]   --> src/structure.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     Variable(Variable),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Field`
[INFO] [stdout]   --> src/structure.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     Field(isize),
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Regex`
[INFO] [stdout]   --> src/structure.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     Regex(Regex),
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `And`
[INFO] [stdout]   --> src/structure.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     And(Box<Pattern>, Box<Pattern>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Or`
[INFO] [stdout]   --> src/structure.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     Or(Box<Pattern>, Box<Pattern>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Not`
[INFO] [stdout]   --> src/structure.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     Not(Box<Pattern>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Equal`
[INFO] [stdout]   --> src/structure.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     Equal(Box<Pattern>, Box<Pattern>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Match`
[INFO] [stdout]   --> src/structure.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     Match(Variable, Regex),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `NoMatch`
[INFO] [stdout]   --> src/structure.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     NoMatch(Variable, Regex),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `BEGIN`
[INFO] [stdout]   --> src/structure.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     BEGIN,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `END`
[INFO] [stdout]   --> src/structure.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     END,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Variable`
[INFO] [stdout]   --> src/structure.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     Variable(Variable),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Field`
[INFO] [stdout]   --> src/structure.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     Field(isize),
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Regex`
[INFO] [stdout]   --> src/structure.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     Regex(Regex),
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `And`
[INFO] [stdout]   --> src/structure.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     And(Box<Pattern>, Box<Pattern>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Or`
[INFO] [stdout]   --> src/structure.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     Or(Box<Pattern>, Box<Pattern>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Not`
[INFO] [stdout]   --> src/structure.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     Not(Box<Pattern>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Equal`
[INFO] [stdout]   --> src/structure.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     Equal(Box<Pattern>, Box<Pattern>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Match`
[INFO] [stdout]   --> src/structure.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     Match(Variable, Regex),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `NoMatch`
[INFO] [stdout]   --> src/structure.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     NoMatch(Variable, Regex),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.65s
[INFO] running `Command { std: "docker" "inspect" "027bfd841cce54b1fb8c6d0bdbc7052f347f8d493daadf55efddc476a8983efb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "027bfd841cce54b1fb8c6d0bdbc7052f347f8d493daadf55efddc476a8983efb", kill_on_drop: false }`
[INFO] [stdout] 027bfd841cce54b1fb8c6d0bdbc7052f347f8d493daadf55efddc476a8983efb