Dec 12 11:21:00.820 INFO checking mon-0.2.2 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 11:21:00.820 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-4/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 11:21:01.336 INFO [stdout] 2e69e99324192413d5ed33f1e49e1ae41342cfaf450f611ba67887731f02d45a
Dec 12 11:21:01.338 INFO running `"docker" "start" "-a" "2e69e99324192413d5ed33f1e49e1ae41342cfaf450f611ba67887731f02d45a"`
Dec 12 11:21:03.611 INFO [stderr] usermod: no changes
Dec 12 11:21:03.738 INFO [stderr]     Checking mon v0.2.2 (/source)
Dec 12 11:21:05.576 INFO [stderr] warning: unnecessary parentheses around method argument
Dec 12 11:21:05.576 INFO [stderr]    --> src/db/mod.rs:260:40
Dec 12 11:21:05.576 INFO [stderr]     |
Dec 12 11:21:05.576 INFO [stderr] 260 |             doc.insert("writeConcern", (concern.to_bson()));
Dec 12 11:21:05.576 INFO [stderr]     |                                        ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 12 11:21:05.576 INFO [stderr]     |
Dec 12 11:21:05.576 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Dec 12 11:21:05.576 INFO [stderr] 
Dec 12 11:21:05.759 INFO [stderr] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
Dec 12 11:21:05.759 INFO [stderr]  --> src/common.rs:2:5
Dec 12 11:21:05.759 INFO [stderr]   |
Dec 12 11:21:05.759 INFO [stderr] 2 | use std::ascii::AsciiExt;
Dec 12 11:21:05.759 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 12 11:21:05.759 INFO [stderr]   |
Dec 12 11:21:05.759 INFO [stderr]   = note: #[warn(deprecated)] on by default
Dec 12 11:21:05.759 INFO [stderr] 
Dec 12 11:21:05.759 INFO [stderr] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
Dec 12 11:21:05.760 INFO [stderr]  --> src/connstring.rs:4:5
Dec 12 11:21:05.760 INFO [stderr]   |
Dec 12 11:21:05.760 INFO [stderr] 4 | use std::ascii::AsciiExt;
Dec 12 11:21:05.761 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 12 11:21:05.764 INFO [stderr] 
Dec 12 11:21:06.460 INFO [stderr] warning: unnecessary parentheses around method argument
Dec 12 11:21:06.460 INFO [stderr]    --> src/db/mod.rs:260:40
Dec 12 11:21:06.460 INFO [stderr]     |
Dec 12 11:21:06.460 INFO [stderr] 260 |             doc.insert("writeConcern", (concern.to_bson()));
Dec 12 11:21:06.460 INFO [stderr]     |                                        ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 12 11:21:06.460 INFO [stderr]     |
Dec 12 11:21:06.460 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Dec 12 11:21:06.460 INFO [stderr] 
Dec 12 11:21:06.644 INFO [stderr] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
Dec 12 11:21:06.644 INFO [stderr]  --> src/common.rs:2:5
Dec 12 11:21:06.644 INFO [stderr]   |
Dec 12 11:21:06.644 INFO [stderr] 2 | use std::ascii::AsciiExt;
Dec 12 11:21:06.644 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 12 11:21:06.644 INFO [stderr]   |
Dec 12 11:21:06.644 INFO [stderr]   = note: #[warn(deprecated)] on by default
Dec 12 11:21:06.644 INFO [stderr] 
Dec 12 11:21:06.644 INFO [stderr] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
Dec 12 11:21:06.644 INFO [stderr]  --> src/connstring.rs:4:5
Dec 12 11:21:06.644 INFO [stderr]   |
Dec 12 11:21:06.644 INFO [stderr] 4 | use std::ascii::AsciiExt;
Dec 12 11:21:06.644 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 12 11:21:06.644 INFO [stderr] 
Dec 12 11:21:08.336 INFO [stderr] warning: unused import: `std::ascii::AsciiExt`
Dec 12 11:21:08.336 INFO [stderr]  --> src/common.rs:2:5
Dec 12 11:21:08.336 INFO [stderr]   |
Dec 12 11:21:08.336 INFO [stderr] 2 | use std::ascii::AsciiExt;
Dec 12 11:21:08.336 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 12 11:21:08.336 INFO [stderr]   |
Dec 12 11:21:08.336 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 11:21:08.336 INFO [stderr] 
Dec 12 11:21:08.336 INFO [stderr] warning: unused import: `std::ascii::AsciiExt`
Dec 12 11:21:08.336 INFO [stderr]  --> src/connstring.rs:4:5
Dec 12 11:21:08.336 INFO [stderr]   |
Dec 12 11:21:08.336 INFO [stderr] 4 | use std::ascii::AsciiExt;
Dec 12 11:21:08.336 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 12 11:21:08.336 INFO [stderr] 
Dec 12 11:21:08.765 INFO [stderr] warning: unused import: `std::ascii::AsciiExt`
Dec 12 11:21:08.766 INFO [stderr]  --> src/common.rs:2:5
Dec 12 11:21:08.766 INFO [stderr]   |
Dec 12 11:21:08.766 INFO [stderr] 2 | use std::ascii::AsciiExt;
Dec 12 11:21:08.766 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 12 11:21:08.766 INFO [stderr]   |
Dec 12 11:21:08.766 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 11:21:08.766 INFO [stderr] 
Dec 12 11:21:08.766 INFO [stderr] warning: unused import: `std::ascii::AsciiExt`
Dec 12 11:21:08.766 INFO [stderr]  --> src/connstring.rs:4:5
Dec 12 11:21:08.766 INFO [stderr]   |
Dec 12 11:21:08.766 INFO [stderr] 4 | use std::ascii::AsciiExt;
Dec 12 11:21:08.766 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 12 11:21:08.766 INFO [stderr] 
Dec 12 11:21:10.203 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.56s
Dec 12 11:21:10.203 INFO [stderr] su: No module specific data is present
Dec 12 11:21:10.890 INFO running `"docker" "inspect" "2e69e99324192413d5ed33f1e49e1ae41342cfaf450f611ba67887731f02d45a"`
Dec 12 11:21:11.170 INFO running `"docker" "rm" "-f" "2e69e99324192413d5ed33f1e49e1ae41342cfaf450f611ba67887731f02d45a"`
Dec 12 11:21:11.525 INFO [stdout] 2e69e99324192413d5ed33f1e49e1ae41342cfaf450f611ba67887731f02d45a