[INFO] crate parsell 0.6.5 is already in cache
[INFO] testing parsell-0.6.5 against 1.44.0 for beta-1.45-1
[INFO] extracting crate parsell 0.6.5 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate parsell 0.6.5 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b8960d239f7121cf861981a09dbea408491ac3b0b5bec2e38a378c886d5b595b
[INFO] running `"docker" "start" "-a" "b8960d239f7121cf861981a09dbea408491ac3b0b5bec2e38a378c886d5b595b"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling parsell v0.6.5 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]   --> src/lib.rs:22:1
[INFO] [stderr]    |
[INFO] [stderr] 22 | #![feature(unboxed_closures)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/impls.rs:135:25
[INFO] [stderr]     |
[INFO] [stderr] 135 |         Ok(self.0.apply(try!(args)))
[INFO] [stderr]     |                         ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/impls.rs:142:25
[INFO] [stderr]     |
[INFO] [stderr] 142 |         Ok(self.0.apply(try!(args)))
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/impls.rs:156:9
[INFO] [stderr]     |
[INFO] [stderr] 156 |         try!(arg); Ok(())
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/impls.rs:165:13
[INFO] [stderr]     |
[INFO] [stderr] 165 |         Ok((try!(args.0), args.1))
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/impls.rs:174:21
[INFO] [stderr]     |
[INFO] [stderr] 174 |         Ok((args.0, try!(args.1)))
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/impls.rs:183:13
[INFO] [stderr]     |
[INFO] [stderr] 183 |         Ok((try!(args.0), try!(args.1)))
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/impls.rs:183:27
[INFO] [stderr]     |
[INFO] [stderr] 183 |         Ok((try!(args.0), try!(args.1)))
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/impls.rs:189:13
[INFO] [stderr]     |
[INFO] [stderr] 189 |         Ok((try!(args.0), try!(args.1)))
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/impls.rs:189:27
[INFO] [stderr]     |
[INFO] [stderr] 189 |         Ok((try!(args.0), try!(args.1)))
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error; 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: could not compile `parsell`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "b8960d239f7121cf861981a09dbea408491ac3b0b5bec2e38a378c886d5b595b"`
[INFO] running `"docker" "rm" "-f" "b8960d239f7121cf861981a09dbea408491ac3b0b5bec2e38a378c886d5b595b"`
[INFO] [stdout] b8960d239f7121cf861981a09dbea408491ac3b0b5bec2e38a378c886d5b595b