[INFO] crate utils 0.0.3 is already in cache [INFO] checking utils-0.0.3 against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393 [INFO] extracting crate utils 0.0.3 into /workspace/builds/worker-11/source [INFO] validating manifest of crates.io crate utils 0.0.3 on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d [INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate utils 0.0.3 [INFO] finished tweaking crates.io crate utils 0.0.3 [INFO] tweaked toml for crates.io crate utils 0.0.3 written to /workspace/builds/worker-11/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [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=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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "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] f4f4c613cbb83678059389dad194ba3a71c776302977378219a05a074a078202 [INFO] running `"docker" "start" "-a" "f4f4c613cbb83678059389dad194ba3a71c776302977378219a05a074a078202"` [INFO] [stderr] Checking commandext v0.1.0 [INFO] [stderr] Checking utils v0.0.3 (/opt/rustwide/workdir) [INFO] [stderr] warning: unknown lint: `unstable` [INFO] [stderr] --> src/lib.rs:1:10 [INFO] [stderr] | [INFO] [stderr] 1 | #![allow(unstable)] [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unknown_lints)]` on by default [INFO] [stderr] [INFO] [stderr] error: cannot find attribute `experimental` in this scope [INFO] [stderr] --> 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] --> 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] --> 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] --> 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] --> 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] --> 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] --> 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] --> 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] --> 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] --> 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] --> src/empty.rs:14:3 [INFO] [stderr] | [INFO] [stderr] 14 | #[experimental] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unknown lint: `unstable` [INFO] [stderr] --> src/lib.rs:1:10 [INFO] [stderr] | [INFO] [stderr] 1 | #![allow(unstable)] [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unknown_lints)]` on by default [INFO] [stderr] [INFO] [stderr] error: cannot find attribute `experimental` in this scope [INFO] [stderr] --> src/empty.rs:14:3 [INFO] [stderr] | [INFO] [stderr] 14 | #[experimental] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: cannot find attribute `experimental` in this scope [INFO] [stderr] --> 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] --> 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] --> 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] --> 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] --> 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] --> 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] --> 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] --> 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] --> 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] --> src/lib.rs:83:3 [INFO] [stderr] | [INFO] [stderr] 83 | #[experimental] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0609]: no field `output` on type `std::process::Output` [INFO] [stderr] --> 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] --> 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] --> 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] --> 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[E0609]: no field `output` on type `std::process::Output` [INFO] [stderr] --> 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[E0599]: no method named `as_slice` found for reference `&std::string::String` in the current scope [INFO] [stderr] --> 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[E0308]: mismatched types [INFO] [stderr] --> 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] --> 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: aborting due to 16 previous errors; 1 warning emitted [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[E0609]: no field `output` on type `std::process::Output` [INFO] [stderr] --> 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] --> 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: 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: aborting due to 16 previous errors; 1 warning emitted [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" "f4f4c613cbb83678059389dad194ba3a71c776302977378219a05a074a078202"` [INFO] running `"docker" "rm" "-f" "f4f4c613cbb83678059389dad194ba3a71c776302977378219a05a074a078202"` [INFO] [stdout] f4f4c613cbb83678059389dad194ba3a71c776302977378219a05a074a078202