[INFO] cloning repository https://github.com/Melkonka/MelkonTD
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Melkonka/MelkonTD" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMelkonka%2FMelkonTD"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMelkonka%2FMelkonTD'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 72aa8bec4deb8ede111ae4ffc69df7855a9e8175
[INFO] checking Melkonka/MelkonTD against try#879b8cb7dc2ad9102994457e73cf78d124926ea5 for pr-73084
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMelkonka%2FMelkonTD" "/workspace/builds/worker-3/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Melkonka/MelkonTD on toolchain 879b8cb7dc2ad9102994457e73cf78d124926ea5
[INFO] running `"/workspace/cargo-home/bin/cargo" "+879b8cb7dc2ad9102994457e73cf78d124926ea5" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Melkonka/MelkonTD
[INFO] removed path dependency utils from git repo https://github.com/Melkonka/MelkonTD
[INFO] finished tweaking git repo https://github.com/Melkonka/MelkonTD
[INFO] tweaked toml for git repo https://github.com/Melkonka/MelkonTD written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/Melkonka/MelkonTD already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+879b8cb7dc2ad9102994457e73cf78d124926ea5" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] warning: dependency (utils) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /workspace/builds/worker-3/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+879b8cb7dc2ad9102994457e73cf78d124926ea5" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+879b8cb7dc2ad9102994457e73cf78d124926ea5" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] warning: dependency (utils) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "/opt/rustwide/cargo-home/bin/cargo" "+879b8cb7dc2ad9102994457e73cf78d124926ea5" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c81bcf9c2d7d847a8fa581b766e8f09447eaf8e7fc61f10aa928597e9a87e4f8
[INFO] running `"docker" "start" "-a" "c81bcf9c2d7d847a8fa581b766e8f09447eaf8e7fc61f10aa928597e9a87e4f8"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: dependency (utils) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling syn v1.0.31
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling serde v1.0.111
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking gimli v0.21.0
[INFO] [stderr]     Checking object v0.19.0
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]    Compiling xml-rs v0.8.3
[INFO] [stderr]    Compiling libloading v0.6.2
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]     Checking atom v0.3.5
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking color_quant v1.0.1
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling cc v1.0.54
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling serde_json v1.0.55
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]     Checking ahash v0.3.8
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]     Checking mint v0.5.5
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking mopa v0.2.2
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking tuple_utils v0.3.0
[INFO] [stderr]     Checking shrev v1.1.1
[INFO] [stderr]     Checking colorful v0.2.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.16
[INFO] [stderr]    Compiling rustversion v1.0.2
[INFO] [stderr]    Compiling edit-distance v2.1.0
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling inventory v0.1.6
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling tinystr v0.3.2
[INFO] [stderr]     Checking approx v0.1.1
[INFO] [stderr]     Checking siphasher v0.2.3
[INFO] [stderr]     Checking objekt v0.1.2
[INFO] [stderr]    Compiling cgmath v0.16.1
[INFO] [stderr]    Compiling cpal v0.11.0
[INFO] [stderr]    Compiling build_const v0.2.1
[INFO] [stderr]     Checking tinyvec v0.3.3
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]     Checking float-ord v0.2.0
[INFO] [stderr]     Checking fluent-syntax v0.9.3
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]     Checking bytes v0.5.4
[INFO] [stderr]     Checking commandext v0.1.0
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling hashbrown v0.7.2
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]    Compiling x11 v2.18.2
[INFO] [stderr]    Compiling servo-fontconfig-sys v4.0.9
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking gif v0.10.3
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling nom v5.1.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]    Compiling cmake v0.1.44
[INFO] [stderr]    Compiling unic-langid-impl v0.8.0
[INFO] [stderr]     Checking phf_shared v0.7.24
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking utils v0.0.3
[INFO] [stderr] error: cannot find attribute `experimental` in this scope
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/utils-0.0.3/src/lib.rs:83:3
[INFO] [stderr]    |
[INFO] [stderr] 83 | #[experimental]
[INFO] [stderr]    |   ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: cannot find attribute `experimental` in this scope
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/utils-0.0.3/src/lib.rs:77:3
[INFO] [stderr]    |
[INFO] [stderr] 77 | #[experimental]
[INFO] [stderr]    |   ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: cannot find attribute `experimental` in this scope
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/utils-0.0.3/src/lib.rs:37:3
[INFO] [stderr]    |
[INFO] [stderr] 37 | #[experimental]
[INFO] [stderr]    |   ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: cannot find attribute `experimental` in this scope
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/utils-0.0.3/src/lib.rs:29:3
[INFO] [stderr]    |
[INFO] [stderr] 29 | #[experimental]
[INFO] [stderr]    |   ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: cannot find attribute `experimental` in this scope
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/utils-0.0.3/src/lib.rs:13:3
[INFO] [stderr]    |
[INFO] [stderr] 13 | #[experimental]
[INFO] [stderr]    |   ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: cannot find attribute `experimental` in this scope
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/utils-0.0.3/src/empty.rs:63:3
[INFO] [stderr]    |
[INFO] [stderr] 63 | #[experimental]
[INFO] [stderr]    |   ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: cannot find attribute `experimental` in this scope
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/utils-0.0.3/src/empty.rs:45:3
[INFO] [stderr]    |
[INFO] [stderr] 45 | #[experimental]
[INFO] [stderr]    |   ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: cannot find attribute `experimental` in this scope
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/utils-0.0.3/src/empty.rs:37:3
[INFO] [stderr]    |
[INFO] [stderr] 37 | #[experimental]
[INFO] [stderr]    |   ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: cannot find attribute `experimental` in this scope
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/utils-0.0.3/src/empty.rs:29:3
[INFO] [stderr]    |
[INFO] [stderr] 29 | #[experimental]
[INFO] [stderr]    |   ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: cannot find attribute `experimental` in this scope
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/utils-0.0.3/src/empty.rs:21:3
[INFO] [stderr]    |
[INFO] [stderr] 21 | #[experimental]
[INFO] [stderr]    |   ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: cannot find attribute `experimental` in this scope
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/utils-0.0.3/src/empty.rs:14:3
[INFO] [stderr]    |
[INFO] [stderr] 14 | #[experimental]
[INFO] [stderr]    |   ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr] error[E0609]: no field `output` on type `std::process::Output`
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/utils-0.0.3/src/lib.rs:17:36
[INFO] [stderr]    |
[INFO] [stderr] 17 |             match str::from_utf8(p.output.as_slice()).unwrap().trim().parse() {
[INFO] [stderr]    |                                    ^^^^^^ unknown field
[INFO] [stderr]    |
[INFO] [stderr]    = note: available fields are: `status`, `stdout`, `stderr`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/utils-0.0.3/src/lib.rs:18:17
[INFO] [stderr]    |
[INFO] [stderr] 17 |             match str::from_utf8(p.output.as_slice()).unwrap().trim().parse() {
[INFO] [stderr]    |                   ----------------------------------------------------------- this expression has type `std::result::Result<_, _>`
[INFO] [stderr] 18 |                 Some(i) => i,
[INFO] [stderr]    |                 ^^^^^^^ expected enum `std::result::Result`, found enum `std::option::Option`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected enum `std::result::Result<_, _>`
[INFO] [stderr]               found enum `std::option::Option<_>`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/utils-0.0.3/src/lib.rs:19:17
[INFO] [stderr]    |
[INFO] [stderr] 17 |             match str::from_utf8(p.output.as_slice()).unwrap().trim().parse() {
[INFO] [stderr]    |                   ----------------------------------------------------------- this expression has type `std::result::Result<_, _>`
[INFO] [stderr] 18 |                 Some(i) => i,
[INFO] [stderr] 19 |                 None    => panic!("unable to cast nproc output!"),
[INFO] [stderr]    |                 ^^^^ expected enum `std::result::Result`, found enum `std::option::Option`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected enum `std::result::Result<_, _>`
[INFO] [stderr]               found enum `std::option::Option<_>`
[INFO] [stderr] 
[INFO] [stderr] error[E0609]: no field `output` on type `std::process::Output`
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/utils-0.0.3/src/lib.rs:41:54
[INFO] [stderr]    |
[INFO] [stderr] 41 |             let mut res =  String::from_utf8_lossy(o.output.as_slice());
[INFO] [stderr]    |                                                      ^^^^^^ unknown field
[INFO] [stderr]    |
[INFO] [stderr]    = note: available fields are: `status`, `stdout`, `stderr`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `as_slice` found for reference `&std::string::String` in the current scope
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/utils-0.0.3/src/empty.rs:32:14
[INFO] [stderr]    |
[INFO] [stderr] 32 |         self.as_slice().is_empty()
[INFO] [stderr]    |              ^^^^^^^^ method not found in `&std::string::String`
[INFO] [stderr] 
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr] error: aborting due to 16 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0308, E0599, E0609.
[INFO] [stderr] For more information about an error, try `rustc --explain E0308`.
[INFO] [stderr] error: could not compile `utils`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "c81bcf9c2d7d847a8fa581b766e8f09447eaf8e7fc61f10aa928597e9a87e4f8"`
[INFO] running `"docker" "rm" "-f" "c81bcf9c2d7d847a8fa581b766e8f09447eaf8e7fc61f10aa928597e9a87e4f8"`
[INFO] [stdout] c81bcf9c2d7d847a8fa581b766e8f09447eaf8e7fc61f10aa928597e9a87e4f8