[INFO] fetching crate nb2nl 0.2.0...
[INFO] checking nb2nl-0.2.0 against master#4c60a0ea5b2385d7400df9db1ad04e96f2a4c154 for 92191_revert
[INFO] extracting crate nb2nl 0.2.0 into /workspace/builds/worker-66/source
[INFO] validating manifest of crates.io crate nb2nl 0.2.0 on toolchain 4c60a0ea5b2385d7400df9db1ad04e96f2a4c154
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4c60a0ea5b2385d7400df9db1ad04e96f2a4c154" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nb2nl 0.2.0
[INFO] finished tweaking crates.io crate nb2nl 0.2.0
[INFO] tweaked toml for crates.io crate nb2nl 0.2.0 written to /workspace/builds/worker-66/source/Cargo.toml
[INFO] crate crates.io crate nb2nl 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4c60a0ea5b2385d7400df9db1ad04e96f2a4c154" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lalrpop-util v0.19.6
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[INFO] [stderr]   Downloaded ordslice v0.3.0
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[INFO] [stdout] 7ee077fe753e4424828a39f001ca69c027b92e66cc0bddbce61742892ec59f95
[INFO] running `Command { std: "docker" "start" "-a" "7ee077fe753e4424828a39f001ca69c027b92e66cc0bddbce61742892ec59f95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ee077fe753e4424828a39f001ca69c027b92e66cc0bddbce61742892ec59f95", kill_on_drop: false }`
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[INFO] [stdout] 7ee077fe753e4424828a39f001ca69c027b92e66cc0bddbce61742892ec59f95
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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" "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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+4c60a0ea5b2385d7400df9db1ad04e96f2a4c154" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1647336a2ef266e9097bab0bc51893afafcd804211d693a7ce0b137feabff6e1
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[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling unicode-xid v0.2.2
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[INFO] [stderr]     Checking itoa v0.4.7
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[INFO] [stderr]    Compiling lalrpop-util v0.19.6
[INFO] [stderr]    Compiling lalrpop v0.19.6
[INFO] [stderr]    Compiling nb2nl v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `func`
[INFO] [stdout]   --> src/nl2xml/mod.rs:58:25
[INFO] [stdout]    |
[INFO] [stdout] 58 |     FuncHeaderHadApos { func: Ident, name: Ident },
[INFO] [stdout]    |                         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `ErrorKind` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/nl2xml/mod.rs:55:10
[INFO] [stdout]    |
[INFO] [stdout] 55 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `func`
[INFO] [stdout]   --> src/nl2xml/mod.rs:58:25
[INFO] [stdout]    |
[INFO] [stdout] 58 |     FuncHeaderHadApos { func: Ident, name: Ident },
[INFO] [stdout]    |                         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `ErrorKind` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/nl2xml/mod.rs:55:10
[INFO] [stdout]    |
[INFO] [stdout] 55 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `func`
[INFO] [stdout]   --> src/nl2xml/mod.rs:78:27
[INFO] [stdout]    |
[INFO] [stdout] 78 |     ReportInNonReporter { func: Ident, report_span: Span },
[INFO] [stdout]    |                           ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `ErrorKind` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/nl2xml/mod.rs:55:10
[INFO] [stdout]    |
[INFO] [stdout] 55 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `func`
[INFO] [stdout]   --> src/nl2xml/mod.rs:79:23
[INFO] [stdout]    |
[INFO] [stdout] 79 |     UnreachableCode { func: Ident, unreachable_span: Span },
[INFO] [stdout]    |                       ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `ErrorKind` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/nl2xml/mod.rs:55:10
[INFO] [stdout]    |
[INFO] [stdout] 55 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `func`
[INFO] [stdout]   --> src/nl2xml/mod.rs:78:27
[INFO] [stdout]    |
[INFO] [stdout] 78 |     ReportInNonReporter { func: Ident, report_span: Span },
[INFO] [stdout]    |                           ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `ErrorKind` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/nl2xml/mod.rs:55:10
[INFO] [stdout]    |
[INFO] [stdout] 55 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `func`
[INFO] [stdout]   --> src/nl2xml/mod.rs:79:23
[INFO] [stdout]    |
[INFO] [stdout] 79 |     UnreachableCode { func: Ident, unreachable_span: Span },
[INFO] [stdout]    |                       ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `ErrorKind` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/nl2xml/mod.rs:55:10
[INFO] [stdout]    |
[INFO] [stdout] 55 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[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 [unoptimized + debuginfo] target(s) in 2m 20s
[INFO] running `Command { std: "docker" "inspect" "1647336a2ef266e9097bab0bc51893afafcd804211d693a7ce0b137feabff6e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1647336a2ef266e9097bab0bc51893afafcd804211d693a7ce0b137feabff6e1", kill_on_drop: false }`
[INFO] [stdout] 1647336a2ef266e9097bab0bc51893afafcd804211d693a7ce0b137feabff6e1