Dec 12 16:56:01.717 INFO checking carnix-0.9.6 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 16:56:01.718 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-3/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +3a75e80557a103497cffbcab395a2f37061a77ea-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 12 16:56:02.260 INFO [stdout] 0c6f1a90ba517308092715d9190bd3eddb83e059126fcc0cd965e22d7ece6866
Dec 12 16:56:02.262 INFO running `"docker" "start" "-a" "0c6f1a90ba517308092715d9190bd3eddb83e059126fcc0cd965e22d7ece6866"`
Dec 12 16:56:04.232 INFO [stderr] usermod: no changes
Dec 12 16:56:04.535 INFO [stderr]     Checking carnix v0.9.6 (/source)
Dec 12 16:56:19.071 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 16:56:19.072 INFO [stderr]     --> src/output.rs:1116:21
Dec 12 16:56:19.072 INFO [stderr]      |
Dec 12 16:56:19.072 INFO [stderr] 1116 |                     write!(w, "then [{{ ");
Dec 12 16:56:19.072 INFO [stderr]      |                     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 16:56:19.072 INFO [stderr]      |
Dec 12 16:56:19.072 INFO [stderr]      = note: #[warn(unused_must_use)] on by default
Dec 12 16:56:19.072 INFO [stderr]      = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 16:56:19.072 INFO [stderr]      = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 12 16:56:19.072 INFO [stderr] 
Dec 12 16:56:19.192 INFO [stderr] warning: unused variable: `i`
Dec 12 16:56:19.192 INFO [stderr]    --> src/cfg.rs:122:30
Dec 12 16:56:19.192 INFO [stderr]     |
Dec 12 16:56:19.192 INFO [stderr] 122 |     if let IResult::Done(ref i, ref o) = x {
Dec 12 16:56:19.192 INFO [stderr]     |                              ^ help: consider using `_i` instead
Dec 12 16:56:19.192 INFO [stderr]     |
Dec 12 16:56:19.192 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 12 16:56:19.192 INFO [stderr] 
Dec 12 16:56:19.460 INFO [stderr] warning: unused variable: `i`
Dec 12 16:56:19.460 INFO [stderr]    --> src/cfg.rs:122:30
Dec 12 16:56:19.460 INFO [stderr]     |
Dec 12 16:56:19.460 INFO [stderr] 122 |     if let IResult::Done(ref i, ref o) = x {
Dec 12 16:56:19.460 INFO [stderr]     |                              ^ help: consider using `_i` instead
Dec 12 16:56:19.460 INFO [stderr]     |
Dec 12 16:56:19.460 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 12 16:56:19.460 INFO [stderr] 
Dec 12 16:56:20.268 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 16:56:20.268 INFO [stderr]     --> src/output.rs:1116:21
Dec 12 16:56:20.268 INFO [stderr]      |
Dec 12 16:56:20.268 INFO [stderr] 1116 |                     write!(w, "then [{{ ");
Dec 12 16:56:20.268 INFO [stderr]      |                     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 16:56:20.268 INFO [stderr]      |
Dec 12 16:56:20.268 INFO [stderr]      = note: #[warn(unused_must_use)] on by default
Dec 12 16:56:20.268 INFO [stderr]      = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 16:56:20.268 INFO [stderr]      = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 12 16:56:20.268 INFO [stderr] 
Dec 12 16:56:20.456 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 16:56:20.456 INFO [stderr]     --> src/output.rs:1116:21
Dec 12 16:56:20.456 INFO [stderr]      |
Dec 12 16:56:20.456 INFO [stderr] 1116 |                     write!(w, "then [{{ ");
Dec 12 16:56:20.456 INFO [stderr]      |                     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 16:56:20.456 INFO [stderr]      |
Dec 12 16:56:20.456 INFO [stderr]      = note: #[warn(unused_must_use)] on by default
Dec 12 16:56:20.456 INFO [stderr]      = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 16:56:20.456 INFO [stderr]      = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 12 16:56:20.456 INFO [stderr] 
Dec 12 16:56:20.504 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 16:56:20.504 INFO [stderr]     --> src/output.rs:1116:21
Dec 12 16:56:20.504 INFO [stderr]      |
Dec 12 16:56:20.504 INFO [stderr] 1116 |                     write!(w, "then [{{ ");
Dec 12 16:56:20.504 INFO [stderr]      |                     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 16:56:20.504 INFO [stderr]      |
Dec 12 16:56:20.504 INFO [stderr]      = note: #[warn(unused_must_use)] on by default
Dec 12 16:56:20.504 INFO [stderr]      = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 16:56:20.504 INFO [stderr]      = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 12 16:56:20.504 INFO [stderr] 
Dec 12 16:56:20.566 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.31s
Dec 12 16:56:20.577 INFO [stderr] su: No module specific data is present
Dec 12 16:56:21.338 INFO running `"docker" "inspect" "0c6f1a90ba517308092715d9190bd3eddb83e059126fcc0cd965e22d7ece6866"`
Dec 12 16:56:21.611 INFO running `"docker" "rm" "-f" "0c6f1a90ba517308092715d9190bd3eddb83e059126fcc0cd965e22d7ece6866"`
Dec 12 16:56:21.876 INFO [stdout] 0c6f1a90ba517308092715d9190bd3eddb83e059126fcc0cd965e22d7ece6866