[INFO] fetching crate os-rs 0.1.3... [INFO] testing os-rs-0.1.3 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031 [INFO] extracting crate os-rs 0.1.3 into /workspace/builds/worker-37/source [INFO] validating manifest of crates.io crate os-rs 0.1.3 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate os-rs 0.1.3 [INFO] finished tweaking crates.io crate os-rs 0.1.3 [INFO] tweaked toml for crates.io crate os-rs 0.1.3 written to /workspace/builds/worker-37/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9299170bdccb498ca026c331d364255c9392787a53710e87c9d0edd1ad72009c [INFO] running `Command { std: "docker" "start" "-a" "9299170bdccb498ca026c331d364255c9392787a53710e87c9d0edd1ad72009c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9299170bdccb498ca026c331d364255c9392787a53710e87c9d0edd1ad72009c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9299170bdccb498ca026c331d364255c9392787a53710e87c9d0edd1ad72009c", kill_on_drop: false }` [INFO] [stdout] 9299170bdccb498ca026c331d364255c9392787a53710e87c9d0edd1ad72009c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f9712e4b973ed955bc806736902a5dc827f35bacbc472feda07772a5735fae06 [INFO] running `Command { std: "docker" "start" "-a" "f9712e4b973ed955bc806736902a5dc827f35bacbc472feda07772a5735fae06", kill_on_drop: false }` [INFO] [stderr] Compiling os-rs v0.1.3 (/opt/rustwide/workdir) [INFO] [stdout] error[E0412]: cannot find type `NoneError` in module `std::option` [INFO] [stdout] --> src/lib.rs:14:23 [INFO] [stdout] | [INFO] [stdout] 14 | None(std::option::NoneError), [INFO] [stdout] | ^^^^^^^^^ not found in `std::option` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0412]: cannot find type `NoneError` in module `std::option` [INFO] [stdout] --> src/lib.rs:26:24 [INFO] [stdout] | [INFO] [stdout] 26 | impl From for Error { [INFO] [stdout] | ^^^^^^^^^ not found in `std::option` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0412]: cannot find type `NoneError` in module `std::option` [INFO] [stdout] --> src/lib.rs:27:33 [INFO] [stdout] | [INFO] [stdout] 27 | fn from(error: std::option::NoneError) -> Self { [INFO] [stdout] | ^^^^^^^^^ not found in `std::option` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `io` [INFO] [stdout] --> src/lib.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | io, [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> src/lib.rs:53:47 [INFO] [stdout] | [INFO] [stdout] 53 | Command::new(command).args(args).output().map_err(Error::from) [INFO] [stdout] | ^^^^^^^ cannot infer type for type parameter `O` declared on the associated function `map_err` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: the `?` operator can only be used on `Result`s, not `Option`s, in a method that returns `Result` [INFO] [stdout] --> src/lib.rs:78:24 [INFO] [stdout] | [INFO] [stdout] 73 | / fn from_str(s: &str) -> Result { [INFO] [stdout] 74 | | let running = s.contains("is rus?nning"); [INFO] [stdout] 75 | | let pid = s.trim_matches(|p: char| !p.is_numeric()).parse().ok(); [INFO] [stdout] 76 | | let name = s [INFO] [stdout] 77 | | .split(' ') [INFO] [stdout] 78 | | .next()? [INFO] [stdout] | | ^ use `.ok_or(...)?` to provide an error compatible with `std::result::Result` [INFO] [stdout] ... | [INFO] [stdout] 81 | | Ok(Self { name, pid, running }) [INFO] [stdout] 82 | | } [INFO] [stdout] | |_________- this function returns a `Result` [INFO] [stdout] | [INFO] [stdout] = help: the trait `FromResidual>` is not implemented for `std::result::Result` [INFO] [stdout] note: required by `from_residual` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 5 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0277, E0282, E0412. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0277`. [INFO] [stdout] [INFO] [stderr] error: could not compile `os-rs` due to 6 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "f9712e4b973ed955bc806736902a5dc827f35bacbc472feda07772a5735fae06", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f9712e4b973ed955bc806736902a5dc827f35bacbc472feda07772a5735fae06", kill_on_drop: false }` [INFO] [stdout] f9712e4b973ed955bc806736902a5dc827f35bacbc472feda07772a5735fae06