Dec 04 11:32:28.660 INFO checking robinvd/vm against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 11:32:28.660 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-4/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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 11:32:29.043 INFO [stdout] 01c40bb31601afae42a710216c20bae60fcf5f864eb55d464cb6d5adce003370
Dec 04 11:32:29.047 INFO running `"docker" "start" "-a" "01c40bb31601afae42a710216c20bae60fcf5f864eb55d464cb6d5adce003370"`
Dec 04 11:32:29.711 INFO [stderr] usermod: no changes
Dec 04 11:32:29.945 INFO [stderr]     Checking log v0.4.6
Dec 04 11:32:29.945 INFO [stderr]     Checking itertools v0.7.8
Dec 04 11:32:29.947 INFO [stderr]    Compiling syn v0.15.17
Dec 04 11:32:29.951 INFO [stderr]     Checking csv-core v0.1.4
Dec 04 11:32:29.951 INFO [stderr]     Checking combine v3.6.1
Dec 04 11:32:30.771 INFO [stderr]     Checking csv v1.0.2
Dec 04 11:32:30.806 INFO [stderr]     Checking simplelog v0.5.3
Dec 04 11:32:30.806 INFO [stderr]     Checking handlebars v0.32.4
Dec 04 11:32:32.679 INFO [stderr]     Checking criterion-plot v0.2.5
Dec 04 11:32:45.763 INFO [stderr]    Compiling synstructure v0.10.1
Dec 04 11:32:45.763 INFO [stderr]    Compiling serde_derive v1.0.80
Dec 04 11:32:50.419 INFO [stderr]    Compiling failure_derive v0.1.3
Dec 04 11:32:52.931 INFO [stderr]     Checking failure v0.1.3
Dec 04 11:33:00.190 INFO [stderr]     Checking sabi v0.1.0 (/source)
Dec 04 11:33:00.949 INFO [stderr]     Checking criterion v0.2.5
Dec 04 11:33:02.699 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 11:33:02.699 INFO [stderr]    --> src/vm/mod.rs:296:17
Dec 04 11:33:02.699 INFO [stderr]     |
Dec 04 11:33:02.699 INFO [stderr] 296 |                 writeln!(data, "{}", val);
Dec 04 11:33:02.699 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 11:33:02.699 INFO [stderr]     |
Dec 04 11:33:02.699 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 04 11:33:02.699 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 11:33:02.699 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 11:33:02.699 INFO [stderr] 
Dec 04 11:33:02.699 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 11:33:02.699 INFO [stderr]    --> src/vm/mod.rs:420:9
Dec 04 11:33:02.699 INFO [stderr]     |
Dec 04 11:33:02.699 INFO [stderr] 420 |         writeln!(f, "{}:", self.name);
Dec 04 11:33:02.699 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 11:33:02.699 INFO [stderr]     |
Dec 04 11:33:02.699 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 11:33:02.699 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 11:33:02.699 INFO [stderr] 
Dec 04 11:33:02.699 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 11:33:02.699 INFO [stderr]    --> src/vm/mod.rs:429:13
Dec 04 11:33:02.699 INFO [stderr]     |
Dec 04 11:33:02.699 INFO [stderr] 429 |             write!(f, "{:04x}: {:?}", i, op);
Dec 04 11:33:02.699 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 11:33:02.699 INFO [stderr]     |
Dec 04 11:33:02.699 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 11:33:02.699 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 11:33:02.699 INFO [stderr] 
Dec 04 11:33:02.699 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 11:33:02.699 INFO [stderr]    --> src/vm/mod.rs:437:17
Dec 04 11:33:02.699 INFO [stderr]     |
Dec 04 11:33:02.699 INFO [stderr] 437 |                 write!(f, " {}", num);
Dec 04 11:33:02.699 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^
Dec 04 11:33:02.699 INFO [stderr]     |
Dec 04 11:33:02.699 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 11:33:02.699 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 11:33:02.699 INFO [stderr] 
Dec 04 11:33:02.699 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 11:33:02.699 INFO [stderr]    --> src/vm/mod.rs:441:13
Dec 04 11:33:02.699 INFO [stderr]     |
Dec 04 11:33:02.699 INFO [stderr] 441 |             writeln!(f);
Dec 04 11:33:02.699 INFO [stderr]     |             ^^^^^^^^^^^^
Dec 04 11:33:02.699 INFO [stderr]     |
Dec 04 11:33:02.699 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 11:33:02.699 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 11:33:02.699 INFO [stderr] 
Dec 04 11:33:02.699 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 11:33:02.699 INFO [stderr]    --> src/vm/mod.rs:444:9
Dec 04 11:33:02.699 INFO [stderr]     |
Dec 04 11:33:02.699 INFO [stderr] 444 |         writeln!(f, "labels {:?}", self.labels);
Dec 04 11:33:02.699 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 11:33:02.699 INFO [stderr]     |
Dec 04 11:33:02.699 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 11:33:02.699 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 11:33:02.699 INFO [stderr] 
Dec 04 11:33:02.699 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 11:33:02.699 INFO [stderr]    --> src/vm/mod.rs:445:9
Dec 04 11:33:02.699 INFO [stderr]     |
Dec 04 11:33:02.699 INFO [stderr] 445 |         writeln!(f, "labeli {:?}", self.label_index);
Dec 04 11:33:02.699 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 11:33:02.699 INFO [stderr]     |
Dec 04 11:33:02.699 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 11:33:02.699 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 11:33:02.699 INFO [stderr] 
Dec 04 11:33:02.699 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 11:33:02.699 INFO [stderr]    --> src/vm/mod.rs:446:9
Dec 04 11:33:02.699 INFO [stderr]     |
Dec 04 11:33:02.699 INFO [stderr] 446 |         writeln!(f, "const  {:?}", self.constants);
Dec 04 11:33:02.699 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 11:33:02.699 INFO [stderr]     |
Dec 04 11:33:02.699 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 11:33:02.700 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 11:33:02.700 INFO [stderr] 
Dec 04 11:33:07.654 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 11:33:07.654 INFO [stderr]    --> src/vm/mod.rs:296:17
Dec 04 11:33:07.654 INFO [stderr]     |
Dec 04 11:33:07.654 INFO [stderr] 296 |                 writeln!(data, "{}", val);
Dec 04 11:33:07.654 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 11:33:07.654 INFO [stderr]     |
Dec 04 11:33:07.654 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 04 11:33:07.654 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 11:33:07.654 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 11:33:07.654 INFO [stderr] 
Dec 04 11:33:07.654 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 11:33:07.654 INFO [stderr]    --> src/vm/mod.rs:420:9
Dec 04 11:33:07.654 INFO [stderr]     |
Dec 04 11:33:07.654 INFO [stderr] 420 |         writeln!(f, "{}:", self.name);
Dec 04 11:33:07.654 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 11:33:07.654 INFO [stderr]     |
Dec 04 11:33:07.654 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 11:33:07.654 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 11:33:07.654 INFO [stderr] 
Dec 04 11:33:07.654 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 11:33:07.654 INFO [stderr]    --> src/vm/mod.rs:429:13
Dec 04 11:33:07.654 INFO [stderr]     |
Dec 04 11:33:07.654 INFO [stderr] 429 |             write!(f, "{:04x}: {:?}", i, op);
Dec 04 11:33:07.654 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 11:33:07.654 INFO [stderr]     |
Dec 04 11:33:07.654 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 11:33:07.654 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 11:33:07.654 INFO [stderr] 
Dec 04 11:33:07.654 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 11:33:07.654 INFO [stderr]    --> src/vm/mod.rs:437:17
Dec 04 11:33:07.654 INFO [stderr]     |
Dec 04 11:33:07.654 INFO [stderr] 437 |                 write!(f, " {}", num);
Dec 04 11:33:07.654 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^
Dec 04 11:33:07.654 INFO [stderr]     |
Dec 04 11:33:07.654 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 11:33:07.654 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 11:33:07.654 INFO [stderr] 
Dec 04 11:33:07.654 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 11:33:07.654 INFO [stderr]    --> src/vm/mod.rs:441:13
Dec 04 11:33:07.654 INFO [stderr]     |
Dec 04 11:33:07.654 INFO [stderr] 441 |             writeln!(f);
Dec 04 11:33:07.654 INFO [stderr]     |             ^^^^^^^^^^^^
Dec 04 11:33:07.654 INFO [stderr]     |
Dec 04 11:33:07.654 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 11:33:07.654 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 11:33:07.654 INFO [stderr] 
Dec 04 11:33:07.654 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 11:33:07.654 INFO [stderr]    --> src/vm/mod.rs:444:9
Dec 04 11:33:07.654 INFO [stderr]     |
Dec 04 11:33:07.654 INFO [stderr] 444 |         writeln!(f, "labels {:?}", self.labels);
Dec 04 11:33:07.655 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 11:33:07.655 INFO [stderr]     |
Dec 04 11:33:07.655 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 11:33:07.655 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 11:33:07.655 INFO [stderr] 
Dec 04 11:33:07.655 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 11:33:07.655 INFO [stderr]    --> src/vm/mod.rs:445:9
Dec 04 11:33:07.655 INFO [stderr]     |
Dec 04 11:33:07.655 INFO [stderr] 445 |         writeln!(f, "labeli {:?}", self.label_index);
Dec 04 11:33:07.655 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 11:33:07.655 INFO [stderr]     |
Dec 04 11:33:07.655 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 11:33:07.655 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 11:33:07.655 INFO [stderr] 
Dec 04 11:33:07.655 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 11:33:07.655 INFO [stderr]    --> src/vm/mod.rs:446:9
Dec 04 11:33:07.655 INFO [stderr]     |
Dec 04 11:33:07.655 INFO [stderr] 446 |         writeln!(f, "const  {:?}", self.constants);
Dec 04 11:33:07.655 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 11:33:07.655 INFO [stderr]     |
Dec 04 11:33:07.655 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 11:33:07.655 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 11:33:07.655 INFO [stderr] 
Dec 04 11:33:07.693 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.95s
Dec 04 11:33:07.710 INFO [stderr] su: No module specific data is present
Dec 04 11:33:08.641 INFO running `"docker" "inspect" "01c40bb31601afae42a710216c20bae60fcf5f864eb55d464cb6d5adce003370"`
Dec 04 11:33:08.875 INFO running `"docker" "rm" "-f" "01c40bb31601afae42a710216c20bae60fcf5f864eb55d464cb6d5adce003370"`
Dec 04 11:33:09.009 INFO [stdout] 01c40bb31601afae42a710216c20bae60fcf5f864eb55d464cb6d5adce003370