[INFO] updating cached repository https://github.com/kcexn/learn_rust_palindrome_checker [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] de3798a921f61d9aa8bee2709717b9901a7d4507 [INFO] testing kcexn/learn_rust_palindrome_checker against 1.44.0 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkcexn%2Flearn_rust_palindrome_checker" "/workspace/builds/worker-11/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/kcexn/learn_rust_palindrome_checker on toolchain 1.44.0 [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/kcexn/learn_rust_palindrome_checker [INFO] removed path dependency utils from git repo https://github.com/kcexn/learn_rust_palindrome_checker [INFO] finished tweaking git repo https://github.com/kcexn/learn_rust_palindrome_checker [INFO] tweaked toml for git repo https://github.com/kcexn/learn_rust_palindrome_checker written to /workspace/builds/worker-11/source/Cargo.toml [INFO] crate git repo https://github.com/kcexn/learn_rust_palindrome_checker already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "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-11/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 [INFO] the lockfile is outdated, regenerating it [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO]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] [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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] [stdout] e5418efd6cb880ee4a9ebb9eb77fa21f4a812eab0f0c748b29a9271dc2a89600 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "e5418efd6cb880ee4a9ebb9eb77fa21f4a812eab0f0c748b29a9271dc2a89600"` [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 commandext v0.1.0 [INFO] [stderr] Compiling 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] 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] 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] running `"docker" "inspect" "e5418efd6cb880ee4a9ebb9eb77fa21f4a812eab0f0c748b29a9271dc2a89600"` [INFO] running `"docker" "rm" "-f" "e5418efd6cb880ee4a9ebb9eb77fa21f4a812eab0f0c748b29a9271dc2a89600"` [INFO] [stdout] e5418efd6cb880ee4a9ebb9eb77fa21f4a812eab0f0c748b29a9271dc2a89600