Dec 06 16:13:31.154 INFO testing 3541/shell against try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468 for pr-56514
Dec 06 16:13:31.154 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt build --frozen" "-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 06 16:13:31.417 INFO [stdout] 75214d4a65e1b237f509263f5d5fdeb5891f173e709754b7a02a30cfc95a01cd
Dec 06 16:13:31.422 INFO running `"docker" "start" "-a" "75214d4a65e1b237f509263f5d5fdeb5891f173e709754b7a02a30cfc95a01cd"`
Dec 06 16:13:32.084 INFO [stderr] usermod: no changes
Dec 06 16:13:32.156 INFO [stderr]    Compiling shell v0.1.0 (/source)
Dec 06 16:13:32.731 INFO [stderr] warning: value assigned to `c_line` is never read
Dec 06 16:13:32.732 INFO [stderr]   --> src/main.rs:31:13
Dec 06 16:13:32.732 INFO [stderr]    |
Dec 06 16:13:32.732 INFO [stderr] 31 |     let mut c_line = String::new();
Dec 06 16:13:32.733 INFO [stderr]    |             ^^^^^^
Dec 06 16:13:32.733 INFO [stderr]    |
Dec 06 16:13:32.733 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 06 16:13:32.734 INFO [stderr] 
Dec 06 16:13:33.678 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.57s
Dec 06 16:13:33.681 INFO [stderr] su: No module specific data is present
Dec 06 16:13:34.702 INFO running `"docker" "inspect" "75214d4a65e1b237f509263f5d5fdeb5891f173e709754b7a02a30cfc95a01cd"`
Dec 06 16:13:34.978 INFO running `"docker" "rm" "-f" "75214d4a65e1b237f509263f5d5fdeb5891f173e709754b7a02a30cfc95a01cd"`
Dec 06 16:13:35.364 INFO [stdout] 75214d4a65e1b237f509263f5d5fdeb5891f173e709754b7a02a30cfc95a01cd
Dec 06 16:13:35.366 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt test --frozen --no-run" "-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 06 16:13:35.724 INFO [stdout] 0dd49b6c39214d706868dedbeea43d4bc209fbc8196a9fa26268a3719cfe00bf
Dec 06 16:13:35.732 INFO running `"docker" "start" "-a" "0dd49b6c39214d706868dedbeea43d4bc209fbc8196a9fa26268a3719cfe00bf"`
Dec 06 16:13:37.208 INFO [stderr] usermod: no changes
Dec 06 16:13:37.272 INFO [stderr]    Compiling shell v0.1.0 (/source)
Dec 06 16:13:37.944 INFO [stderr] warning: value assigned to `c_line` is never read
Dec 06 16:13:37.944 INFO [stderr]   --> src/main.rs:31:13
Dec 06 16:13:37.944 INFO [stderr]    |
Dec 06 16:13:37.944 INFO [stderr] 31 |     let mut c_line = String::new();
Dec 06 16:13:37.944 INFO [stderr]    |             ^^^^^^
Dec 06 16:13:37.944 INFO [stderr]    |
Dec 06 16:13:37.944 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 06 16:13:37.944 INFO [stderr] 
Dec 06 16:13:38.491 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.25s
Dec 06 16:13:38.494 INFO [stderr] su: No module specific data is present
Dec 06 16:13:39.106 INFO running `"docker" "inspect" "0dd49b6c39214d706868dedbeea43d4bc209fbc8196a9fa26268a3719cfe00bf"`
Dec 06 16:13:39.326 INFO running `"docker" "rm" "-f" "0dd49b6c39214d706868dedbeea43d4bc209fbc8196a9fa26268a3719cfe00bf"`
Dec 06 16:13:39.461 INFO [stdout] 0dd49b6c39214d706868dedbeea43d4bc209fbc8196a9fa26268a3719cfe00bf
Dec 06 16:13:39.467 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt test --frozen" "-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 06 16:13:39.710 INFO [stdout] 254172abb10bafe9425197a0262a8f2adb42e162112a62e4918c3a3002ec86b5
Dec 06 16:13:39.714 INFO running `"docker" "start" "-a" "254172abb10bafe9425197a0262a8f2adb42e162112a62e4918c3a3002ec86b5"`
Dec 06 16:13:42.039 INFO [stderr] usermod: no changes
Dec 06 16:13:42.108 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
Dec 06 16:13:42.117 INFO [stderr]      Running /target/debug/deps/shell-0a2ffa15711343be
Dec 06 16:13:42.124 INFO [stdout] 
Dec 06 16:13:42.124 INFO [stdout] running 0 tests
Dec 06 16:13:42.124 INFO [stdout] 
Dec 06 16:13:42.124 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 06 16:13:42.124 INFO [stdout] 
Dec 06 16:13:42.124 INFO [stderr] su: No module specific data is present
Dec 06 16:13:42.766 INFO running `"docker" "inspect" "254172abb10bafe9425197a0262a8f2adb42e162112a62e4918c3a3002ec86b5"`
Dec 06 16:13:43.060 INFO running `"docker" "rm" "-f" "254172abb10bafe9425197a0262a8f2adb42e162112a62e4918c3a3002ec86b5"`
Dec 06 16:13:43.388 INFO [stdout] 254172abb10bafe9425197a0262a8f2adb42e162112a62e4918c3a3002ec86b5