Dec 04 11:32:28.708 INFO checking robinvd/vm against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 11:32:28.708 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-1/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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 04 11:32:29.103 INFO [stdout] 9a1335513cc0e5cc25831e48bd321d517b3198df898cc5402e7f66faf6d0fd98
Dec 04 11:32:29.110 INFO running `"docker" "start" "-a" "9a1335513cc0e5cc25831e48bd321d517b3198df898cc5402e7f66faf6d0fd98"`
Dec 04 11:32:29.902 INFO [stderr] usermod: no changes
Dec 04 11:32:30.107 INFO [stderr]     Checking itertools v0.7.8
Dec 04 11:32:30.107 INFO [stderr]     Checking criterion-stats v0.2.5
Dec 04 11:32:30.107 INFO [stderr]     Checking itertools-num v0.1.2
Dec 04 11:32:30.107 INFO [stderr]     Checking ordered-float v1.0.1
Dec 04 11:32:30.107 INFO [stderr]    Compiling syn v0.15.17
Dec 04 11:32:30.113 INFO [stderr]     Checking csv-core v0.1.4
Dec 04 11:32:30.123 INFO [stderr]     Checking combine v3.6.1
Dec 04 11:32:30.127 INFO [stderr]     Checking simplelog v0.5.3
Dec 04 11:32:31.116 INFO [stderr]     Checking handlebars v0.32.4
Dec 04 11:32:32.947 INFO [stderr]     Checking csv v1.0.2
Dec 04 11:32:34.259 INFO [stderr]     Checking criterion-plot v0.2.5
Dec 04 11:32:45.760 INFO [stderr]    Compiling synstructure v0.10.1
Dec 04 11:32:45.760 INFO [stderr]    Compiling serde_derive v1.0.80
Dec 04 11:32:50.215 INFO [stderr]    Compiling failure_derive v0.1.3
Dec 04 11:32:52.513 INFO [stderr]     Checking failure v0.1.3
Dec 04 11:33:01.279 INFO [stderr]     Checking sabi v0.1.0 (/source)
Dec 04 11:33:01.707 INFO [stderr]     Checking criterion v0.2.5
Dec 04 11:33:04.246 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 11:33:04.246 INFO [stderr]    --> src/vm/mod.rs:296:17
Dec 04 11:33:04.246 INFO [stderr]     |
Dec 04 11:33:04.246 INFO [stderr] 296 |                 writeln!(data, "{}", val);
Dec 04 11:33:04.246 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 11:33:04.246 INFO [stderr]     |
Dec 04 11:33:04.246 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 04 11:33:04.246 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 11:33:04.246 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 04 11:33:04.246 INFO [stderr] 
Dec 04 11:33:04.248 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 11:33:04.248 INFO [stderr]    --> src/vm/mod.rs:420:9
Dec 04 11:33:04.248 INFO [stderr]     |
Dec 04 11:33:04.248 INFO [stderr] 420 |         writeln!(f, "{}:", self.name);
Dec 04 11:33:04.248 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 11:33:04.248 INFO [stderr]     |
Dec 04 11:33:04.248 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 11:33:04.248 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 04 11:33:04.248 INFO [stderr] 
Dec 04 11:33:04.248 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 11:33:04.248 INFO [stderr]    --> src/vm/mod.rs:429:13
Dec 04 11:33:04.248 INFO [stderr]     |
Dec 04 11:33:04.248 INFO [stderr] 429 |             write!(f, "{:04x}: {:?}", i, op);
Dec 04 11:33:04.248 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 11:33:04.248 INFO [stderr]     |
Dec 04 11:33:04.248 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 11:33:04.248 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 04 11:33:04.248 INFO [stderr] 
Dec 04 11:33:04.248 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 11:33:04.248 INFO [stderr]    --> src/vm/mod.rs:437:17
Dec 04 11:33:04.248 INFO [stderr]     |
Dec 04 11:33:04.248 INFO [stderr] 437 |                 write!(f, " {}", num);
Dec 04 11:33:04.248 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^
Dec 04 11:33:04.248 INFO [stderr]     |
Dec 04 11:33:04.248 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 11:33:04.248 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 04 11:33:04.248 INFO [stderr] 
Dec 04 11:33:04.248 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 11:33:04.248 INFO [stderr]    --> src/vm/mod.rs:441:13
Dec 04 11:33:04.248 INFO [stderr]     |
Dec 04 11:33:04.248 INFO [stderr] 441 |             writeln!(f);
Dec 04 11:33:04.248 INFO [stderr]     |             ^^^^^^^^^^^^
Dec 04 11:33:04.248 INFO [stderr]     |
Dec 04 11:33:04.248 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 11:33:04.248 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 04 11:33:04.248 INFO [stderr] 
Dec 04 11:33:04.248 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 11:33:04.248 INFO [stderr]    --> src/vm/mod.rs:444:9
Dec 04 11:33:04.248 INFO [stderr]     |
Dec 04 11:33:04.248 INFO [stderr] 444 |         writeln!(f, "labels {:?}", self.labels);
Dec 04 11:33:04.248 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 11:33:04.248 INFO [stderr]     |
Dec 04 11:33:04.248 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 11:33:04.248 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 04 11:33:04.248 INFO [stderr] 
Dec 04 11:33:04.248 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 11:33:04.248 INFO [stderr]    --> src/vm/mod.rs:445:9
Dec 04 11:33:04.248 INFO [stderr]     |
Dec 04 11:33:04.248 INFO [stderr] 445 |         writeln!(f, "labeli {:?}", self.label_index);
Dec 04 11:33:04.248 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 11:33:04.248 INFO [stderr]     |
Dec 04 11:33:04.248 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 11:33:04.248 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 04 11:33:04.248 INFO [stderr] 
Dec 04 11:33:04.248 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 11:33:04.249 INFO [stderr]    --> src/vm/mod.rs:446:9
Dec 04 11:33:04.249 INFO [stderr]     |
Dec 04 11:33:04.249 INFO [stderr] 446 |         writeln!(f, "const  {:?}", self.constants);
Dec 04 11:33:04.249 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 11:33:04.249 INFO [stderr]     |
Dec 04 11:33:04.249 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 11:33:04.249 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 04 11:33:04.249 INFO [stderr] 
Dec 04 11:33:08.529 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 11:33:08.529 INFO [stderr]    --> src/vm/mod.rs:296:17
Dec 04 11:33:08.529 INFO [stderr]     |
Dec 04 11:33:08.529 INFO [stderr] 296 |                 writeln!(data, "{}", val);
Dec 04 11:33:08.529 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 11:33:08.529 INFO [stderr]     |
Dec 04 11:33:08.529 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 04 11:33:08.529 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 11:33:08.529 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 04 11:33:08.529 INFO [stderr] 
Dec 04 11:33:08.529 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 11:33:08.529 INFO [stderr]    --> src/vm/mod.rs:420:9
Dec 04 11:33:08.529 INFO [stderr]     |
Dec 04 11:33:08.529 INFO [stderr] 420 |         writeln!(f, "{}:", self.name);
Dec 04 11:33:08.529 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 11:33:08.529 INFO [stderr]     |
Dec 04 11:33:08.529 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 11:33:08.529 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 04 11:33:08.529 INFO [stderr] 
Dec 04 11:33:08.529 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 11:33:08.529 INFO [stderr]    --> src/vm/mod.rs:429:13
Dec 04 11:33:08.529 INFO [stderr]     |
Dec 04 11:33:08.529 INFO [stderr] 429 |             write!(f, "{:04x}: {:?}", i, op);
Dec 04 11:33:08.529 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 11:33:08.529 INFO [stderr]     |
Dec 04 11:33:08.529 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 11:33:08.529 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 04 11:33:08.529 INFO [stderr] 
Dec 04 11:33:08.535 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 11:33:08.535 INFO [stderr]    --> src/vm/mod.rs:437:17
Dec 04 11:33:08.535 INFO [stderr]     |
Dec 04 11:33:08.535 INFO [stderr] 437 |                 write!(f, " {}", num);
Dec 04 11:33:08.535 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^
Dec 04 11:33:08.535 INFO [stderr]     |
Dec 04 11:33:08.535 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 11:33:08.535 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 04 11:33:08.535 INFO [stderr] 
Dec 04 11:33:08.535 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 11:33:08.535 INFO [stderr]    --> src/vm/mod.rs:441:13
Dec 04 11:33:08.535 INFO [stderr]     |
Dec 04 11:33:08.535 INFO [stderr] 441 |             writeln!(f);
Dec 04 11:33:08.535 INFO [stderr]     |             ^^^^^^^^^^^^
Dec 04 11:33:08.535 INFO [stderr]     |
Dec 04 11:33:08.535 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 11:33:08.535 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 04 11:33:08.535 INFO [stderr] 
Dec 04 11:33:08.535 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 11:33:08.535 INFO [stderr]    --> src/vm/mod.rs:444:9
Dec 04 11:33:08.535 INFO [stderr]     |
Dec 04 11:33:08.535 INFO [stderr] 444 |         writeln!(f, "labels {:?}", self.labels);
Dec 04 11:33:08.535 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 11:33:08.535 INFO [stderr]     |
Dec 04 11:33:08.535 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 11:33:08.535 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 04 11:33:08.535 INFO [stderr] 
Dec 04 11:33:08.535 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 11:33:08.535 INFO [stderr]    --> src/vm/mod.rs:445:9
Dec 04 11:33:08.535 INFO [stderr]     |
Dec 04 11:33:08.535 INFO [stderr] 445 |         writeln!(f, "labeli {:?}", self.label_index);
Dec 04 11:33:08.535 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 11:33:08.535 INFO [stderr]     |
Dec 04 11:33:08.535 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 11:33:08.535 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 04 11:33:08.535 INFO [stderr] 
Dec 04 11:33:08.535 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 11:33:08.535 INFO [stderr]    --> src/vm/mod.rs:446:9
Dec 04 11:33:08.535 INFO [stderr]     |
Dec 04 11:33:08.535 INFO [stderr] 446 |         writeln!(f, "const  {:?}", self.constants);
Dec 04 11:33:08.535 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 11:33:08.535 INFO [stderr]     |
Dec 04 11:33:08.535 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 11:33:08.535 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 04 11:33:08.535 INFO [stderr] 
Dec 04 11:33:08.573 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.66s
Dec 04 11:33:08.584 INFO [stderr] su: No module specific data is present
Dec 04 11:33:09.072 INFO running `"docker" "inspect" "9a1335513cc0e5cc25831e48bd321d517b3198df898cc5402e7f66faf6d0fd98"`
Dec 04 11:33:09.266 INFO running `"docker" "rm" "-f" "9a1335513cc0e5cc25831e48bd321d517b3198df898cc5402e7f66faf6d0fd98"`
Dec 04 11:33:09.380 INFO [stdout] 9a1335513cc0e5cc25831e48bd321d517b3198df898cc5402e7f66faf6d0fd98