[INFO] crate serde_dokechi 0.1.0 is already in cache
[INFO] checking serde_dokechi-0.1.0 against try#f149601db42efe10ece8b284ab681fd4a6fcb89c for pr-68766
[INFO] extracting crate serde_dokechi 0.1.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate serde_dokechi 0.1.0 on toolchain f149601db42efe10ece8b284ab681fd4a6fcb89c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate serde_dokechi 0.1.0
[INFO] finished tweaking crates.io crate serde_dokechi 0.1.0
[INFO] tweaked toml for crates.io crate serde_dokechi 0.1.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] d2435ef60c902b297a309f7ace8963fa660114e4035be2859ab59e68ed9eed0e
[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" "d2435ef60c902b297a309f7ace8963fa660114e4035be2859ab59e68ed9eed0e"`
[INFO] [stderr]    Compiling thiserror-impl v1.0.10
[INFO] [stderr]     Checking thiserror v1.0.10
[INFO] [stderr]     Checking serde_dokechi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0425]: cannot find value `_0` in this scope
[INFO] [stderr]    --> src/de.rs:522:13
[INFO] [stderr]     |
[INFO] [stderr] 522 |     #[error("{0}")]
[INFO] [stderr]     |             ^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `_0` in this scope
[INFO] [stderr]    --> src/de.rs:524:13
[INFO] [stderr]     |
[INFO] [stderr] 524 |     #[error("{0} is unsupported")]
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `_0` in this scope
[INFO] [stderr]    --> src/de.rs:526:13
[INFO] [stderr]     |
[INFO] [stderr] 526 |     #[error("{0}")]
[INFO] [stderr]     |             ^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `_0` in this scope
[INFO] [stderr]    --> src/ser.rs:379:13
[INFO] [stderr]     |
[INFO] [stderr] 379 |     #[error("{0}")]
[INFO] [stderr]     |             ^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `_0` in this scope
[INFO] [stderr]    --> src/ser.rs:383:13
[INFO] [stderr]     |
[INFO] [stderr] 383 |     #[error("{0}")]
[INFO] [stderr]     |             ^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/de.rs:111:13
[INFO] [stderr]     |
[INFO] [stderr] 111 |             ((u >> 1) as i16)
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/de.rs:126:13
[INFO] [stderr]     |
[INFO] [stderr] 126 |             ((u >> 1) as i32)
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/de.rs:141:13
[INFO] [stderr]     |
[INFO] [stderr] 141 |             ((u >> 1) as i64)
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/de.rs:156:13
[INFO] [stderr]     |
[INFO] [stderr] 156 |             ((u >> 1) as i128)
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `_0` in this scope
[INFO] [stderr]    --> src/de.rs:522:13
[INFO] [stderr]     |
[INFO] [stderr] 522 |     #[error("{0}")]
[INFO] [stderr]     |             ^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `_0` in this scope
[INFO] [stderr]    --> src/de.rs:524:13
[INFO] [stderr]     |
[INFO] [stderr] 524 |     #[error("{0} is unsupported")]
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `_0` in this scope
[INFO] [stderr]    --> src/de.rs:526:13
[INFO] [stderr]     |
[INFO] [stderr] 526 |     #[error("{0}")]
[INFO] [stderr]     |             ^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `_0` in this scope
[INFO] [stderr]    --> src/ser.rs:379:13
[INFO] [stderr]     |
[INFO] [stderr] 379 |     #[error("{0}")]
[INFO] [stderr]     |             ^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `_0` in this scope
[INFO] [stderr]    --> src/ser.rs:383:13
[INFO] [stderr]     |
[INFO] [stderr] 383 |     #[error("{0}")]
[INFO] [stderr]     |             ^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/de.rs:111:13
[INFO] [stderr]     |
[INFO] [stderr] 111 |             ((u >> 1) as i16)
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/de.rs:126:13
[INFO] [stderr]     |
[INFO] [stderr] 126 |             ((u >> 1) as i32)
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/de.rs:141:13
[INFO] [stderr]     |
[INFO] [stderr] 141 |             ((u >> 1) as i64)
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/de.rs:156:13
[INFO] [stderr]     |
[INFO] [stderr] 156 |             ((u >> 1) as i128)
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 5 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0425`.
[INFO] [stderr] error: could not compile `serde_dokechi`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: aborting due to 5 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0425`.
[INFO] [stderr] error: could not compile `serde_dokechi`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "d2435ef60c902b297a309f7ace8963fa660114e4035be2859ab59e68ed9eed0e"`
[INFO] running `"docker" "rm" "-f" "d2435ef60c902b297a309f7ace8963fa660114e4035be2859ab59e68ed9eed0e"`
[INFO] [stdout] d2435ef60c902b297a309f7ace8963fa660114e4035be2859ab59e68ed9eed0e