[INFO] updating cached repository https://github.com/vityafx/rust-bug-53635 [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] 95fff931aa83cfe3a480791d1c76d5d6bb39b6e8 [INFO] checking vityafx/rust-bug-53635 against master#ba72b15666b2491415aec703a02c2364fe5e2790 for pr-71140 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvityafx%2Frust-bug-53635" "/workspace/builds/worker-0/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/vityafx/rust-bug-53635 on toolchain ba72b15666b2491415aec703a02c2364fe5e2790 [INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/vityafx/rust-bug-53635 [INFO] finished tweaking git repo https://github.com/vityafx/rust-bug-53635 [INFO] tweaked toml for git repo https://github.com/vityafx/rust-bug-53635 written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/vityafx/rust-bug-53635 already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+ba72b15666b2491415aec703a02c2364fe5e2790" "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] 5051ff2881b336e0e697a03092c4d83c7bd7da4e1b054b64009f6397ebcdffbb [INFO] running `"docker" "start" "-a" "5051ff2881b336e0e697a03092c4d83c7bd7da4e1b054b64009f6397ebcdffbb"` [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling cc v1.0.42 [INFO] [stderr] Compiling safemem v0.3.2 [INFO] [stderr] Compiling serde v1.0.99 [INFO] [stderr] Compiling indexmap v1.1.0 [INFO] [stderr] Compiling libc v0.2.62 [INFO] [stderr] Checking atty v0.2.13 [INFO] [stderr] Checking base64 v0.9.3 [INFO] [stderr] Checking hyper v0.10.16 [INFO] [stderr] Compiling time v0.1.42 [INFO] [stderr] Compiling num_cpus v1.10.1 [INFO] [stderr] Compiling ring v0.13.5 [INFO] [stderr] Checking cookie v0.11.1 [INFO] [stderr] Checking toml v0.4.10 [INFO] [stderr] Compiling devise_core v0.2.0 [INFO] [stderr] Compiling pear_codegen v0.1.2 [INFO] [stderr] Compiling devise_codegen v0.2.0 [INFO] [stderr] Compiling devise v0.2.0 [INFO] [stderr] Compiling pear v0.1.2 [INFO] [stderr] Checking rocket_http v0.4.2 [INFO] [stderr] Compiling rocket_codegen v0.4.2 [INFO] [stderr] Checking rocket v0.4.2 [INFO] [stderr] Checking bug v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unnecessary parentheses around `let` scrutinee expression [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] | [INFO] [stderr] = note: expected closure `[closure@src/main.rs:1:1: 1:1]` [INFO] [stderr] found enum `std::option::Option<_>` [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `let` scrutinee expression [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] | [INFO] [stderr] = note: expected closure `[closure@src/main.rs:1:1: 1:1]` [INFO] [stderr] found enum `std::option::Option<_>` [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] [INFO] [stderr] error: aborting due to 2 previous errors; 1 warning emitted [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0308`. [INFO] [stderr] error: could not compile `bug`. [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[E0308]: mismatched types [INFO] [stderr] [INFO] [stderr] error: aborting due to 2 previous errors; 1 warning emitted [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0308`. [INFO] [stderr] error: could not compile `bug`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "5051ff2881b336e0e697a03092c4d83c7bd7da4e1b054b64009f6397ebcdffbb"` [INFO] running `"docker" "rm" "-f" "5051ff2881b336e0e697a03092c4d83c7bd7da4e1b054b64009f6397ebcdffbb"` [INFO] [stdout] 5051ff2881b336e0e697a03092c4d83c7bd7da4e1b054b64009f6397ebcdffbb