[INFO] fetching crate parsell 0.6.5...
[INFO] testing parsell-0.6.5 against 1.91.0 for beta-1.92-2
[INFO] extracting crate parsell 0.6.5 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate parsell 0.6.5
[INFO] finished tweaking crates.io crate parsell 0.6.5
[INFO] tweaked toml for crates.io crate parsell 0.6.5 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate parsell 0.6.5 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 15 packages to latest compatible versions
[INFO] [stderr]       Adding skeptic v0.4.0 (available: v0.13.7)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded skeptic v0.4.0
[INFO] [stderr]   Downloaded getopts v0.2.24
[INFO] [stderr]   Downloaded pulldown-cmark v0.0.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 01672282c030d60071e50eeaa531cea33eb8a5ffd25de11bab3f8b0c9a50e7d5
[INFO] running `Command { std: "docker" "start" "-a" "01672282c030d60071e50eeaa531cea33eb8a5ffd25de11bab3f8b0c9a50e7d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "01672282c030d60071e50eeaa531cea33eb8a5ffd25de11bab3f8b0c9a50e7d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01672282c030d60071e50eeaa531cea33eb8a5ffd25de11bab3f8b0c9a50e7d5", kill_on_drop: false }`
[INFO] [stdout] 01672282c030d60071e50eeaa531cea33eb8a5ffd25de11bab3f8b0c9a50e7d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 62ea4f0766d8895bba7dceefeb327aaa856a1d849701c099ba014c44131bd420
[INFO] running `Command { std: "docker" "start" "-a" "62ea4f0766d8895bba7dceefeb327aaa856a1d849701c099ba014c44131bd420", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling unicode-width v0.2.2
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling getopts v0.2.24
[INFO] [stderr]    Compiling pulldown-cmark v0.0.3
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling skeptic v0.4.0
[INFO] [stderr]    Compiling parsell v0.6.5 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:22:1
[INFO] [stdout]    |
[INFO] [stdout] 22 | #![feature(unboxed_closures)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/impls.rs:135:25
[INFO] [stdout]     |
[INFO] [stdout] 135 |         Ok(self.0.apply(try!(args)))
[INFO] [stdout]     |                         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/impls.rs:142:25
[INFO] [stdout]     |
[INFO] [stdout] 142 |         Ok(self.0.apply(try!(args)))
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/impls.rs:156:9
[INFO] [stdout]     |
[INFO] [stdout] 156 |         try!(arg); Ok(())
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/impls.rs:165:13
[INFO] [stdout]     |
[INFO] [stdout] 165 |         Ok((try!(args.0), args.1))
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/impls.rs:174:21
[INFO] [stdout]     |
[INFO] [stdout] 174 |         Ok((args.0, try!(args.1)))
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/impls.rs:183:13
[INFO] [stdout]     |
[INFO] [stdout] 183 |         Ok((try!(args.0), try!(args.1)))
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/impls.rs:183:27
[INFO] [stdout]     |
[INFO] [stdout] 183 |         Ok((try!(args.0), try!(args.1)))
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/impls.rs:189:13
[INFO] [stdout]     |
[INFO] [stdout] 189 |         Ok((try!(args.0), try!(args.1)))
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/impls.rs:189:27
[INFO] [stdout]     |
[INFO] [stdout] 189 |         Ok((try!(args.0), try!(args.1)))
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/lib.rs:276:57
[INFO] [stdout]     |
[INFO] [stdout] 276 |             (&Done(ref result1), &Done(ref result2)) => (result1 == result2),
[INFO] [stdout]     |                                                         ^                  ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 276 -             (&Done(ref result1), &Done(ref result2)) => (result1 == result2),
[INFO] [stdout] 276 +             (&Done(ref result1), &Done(ref result2)) => result1 == result2,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `parsell` (lib) due to 1 previous error; 10 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "62ea4f0766d8895bba7dceefeb327aaa856a1d849701c099ba014c44131bd420", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62ea4f0766d8895bba7dceefeb327aaa856a1d849701c099ba014c44131bd420", kill_on_drop: false }`
[INFO] [stdout] 62ea4f0766d8895bba7dceefeb327aaa856a1d849701c099ba014c44131bd420