Dec 13 10:49:45.273 INFO testing mfs/box against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 13 10:49:45.273 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 13 10:49:45.639 INFO [stdout] bd7bd40f341d636297b7e5db7e319c1af3c88c36d1e9aa1ccaa5d6b150362e75
Dec 13 10:49:45.640 INFO running `"docker" "start" "-a" "bd7bd40f341d636297b7e5db7e319c1af3c88c36d1e9aa1ccaa5d6b150362e75"`
Dec 13 10:49:46.023 INFO [stderr] usermod: no changes
Dec 13 10:49:46.047 INFO [stderr]    Compiling box v0.1.0 (/source)
Dec 13 10:49:46.274 INFO [stderr] warning: variable does not need to be mutable
Dec 13 10:49:46.274 INFO [stderr]   --> src/bin/assembler.rs:24:9
Dec 13 10:49:46.274 INFO [stderr]    |
Dec 13 10:49:46.274 INFO [stderr] 24 |     let mut reader = BufReader::new(f);
Dec 13 10:49:46.274 INFO [stderr]    |         ----^^^^^^
Dec 13 10:49:46.274 INFO [stderr]    |         |
Dec 13 10:49:46.274 INFO [stderr]    |         help: remove this `mut`
Dec 13 10:49:46.274 INFO [stderr]    |
Dec 13 10:49:46.274 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 13 10:49:46.274 INFO [stderr] 
Dec 13 10:49:46.274 INFO [stderr] warning: constant item is never used: `INSTRUCTIONS`
Dec 13 10:49:46.274 INFO [stderr]   --> src/bin/assembler.rs:7:1
Dec 13 10:49:46.329 INFO [stderr]    |
Dec 13 10:49:46.330 INFO [stderr] 7  | / const INSTRUCTIONS: &'static [&'static str] = &[
Dec 13 10:49:46.330 INFO [stderr] 8  | |     "nop", "jcn", "fim", "src", "fin", "jin", "jun", "jms", "inc", "isz", "add", "sub", "ld",
Dec 13 10:49:46.330 INFO [stderr] 9  | |     "xch", "bbl", "ldm", "wrm", "wmp", "wrr", "wr0", "wr1", "wr2", "wr3", "sbm", "rdm", "rdr",
Dec 13 10:49:46.330 INFO [stderr] 10 | |     "adm", "rd0", "rd1", "rd2", "rd3", "clb", "iac", "cmc", "cma", "ral", "rar", "tcc", "dac",
Dec 13 10:49:46.330 INFO [stderr] 11 | |     "tcs", "stc", "daa", "kbp", "dcl"
Dec 13 10:49:46.330 INFO [stderr] 12 | | ];
Dec 13 10:49:46.330 INFO [stderr]    | |__^
Dec 13 10:49:46.330 INFO [stderr]    |
Dec 13 10:49:46.330 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 13 10:49:46.330 INFO [stderr] 
Dec 13 10:49:46.330 INFO [stderr] warning: enum is never used: `Token`
Dec 13 10:49:46.330 INFO [stderr]   --> src/bin/assembler.rs:14:1
Dec 13 10:49:46.330 INFO [stderr]    |
Dec 13 10:49:46.330 INFO [stderr] 14 | enum Token {
Dec 13 10:49:46.330 INFO [stderr]    | ^^^^^^^^^^
Dec 13 10:49:46.330 INFO [stderr] 
Dec 13 10:49:46.787 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.75s
Dec 13 10:49:46.790 INFO [stderr] su: No module specific data is present
Dec 13 10:49:47.077 INFO running `"docker" "inspect" "bd7bd40f341d636297b7e5db7e319c1af3c88c36d1e9aa1ccaa5d6b150362e75"`
Dec 13 10:49:47.192 INFO running `"docker" "rm" "-f" "bd7bd40f341d636297b7e5db7e319c1af3c88c36d1e9aa1ccaa5d6b150362e75"`
Dec 13 10:49:47.324 INFO [stdout] bd7bd40f341d636297b7e5db7e319c1af3c88c36d1e9aa1ccaa5d6b150362e75
Dec 13 10:49:47.330 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 13 10:49:47.551 INFO [stdout] 937d3aa5cc0078f47e8523e9552abb962b34120a4788002c8db2277e5bf9c3ee
Dec 13 10:49:47.552 INFO running `"docker" "start" "-a" "937d3aa5cc0078f47e8523e9552abb962b34120a4788002c8db2277e5bf9c3ee"`
Dec 13 10:49:48.435 INFO [stderr] usermod: no changes
Dec 13 10:49:48.487 INFO [stderr]    Compiling box v0.1.0 (/source)
Dec 13 10:49:49.007 INFO [stderr] warning: variable does not need to be mutable
Dec 13 10:49:49.007 INFO [stderr]   --> src/bin/assembler.rs:24:9
Dec 13 10:49:49.008 INFO [stderr]    |
Dec 13 10:49:49.008 INFO [stderr] 24 |     let mut reader = BufReader::new(f);
Dec 13 10:49:49.008 INFO [stderr]    |         ----^^^^^^
Dec 13 10:49:49.008 INFO [stderr]    |         |
Dec 13 10:49:49.009 INFO [stderr]    |         help: remove this `mut`
Dec 13 10:49:49.015 INFO [stderr]    |
Dec 13 10:49:49.015 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 13 10:49:49.015 INFO [stderr] 
Dec 13 10:49:49.015 INFO [stderr] warning: constant item is never used: `INSTRUCTIONS`
Dec 13 10:49:49.015 INFO [stderr]   --> src/bin/assembler.rs:7:1
Dec 13 10:49:49.015 INFO [stderr]    |
Dec 13 10:49:49.015 INFO [stderr] 7  | / const INSTRUCTIONS: &'static [&'static str] = &[
Dec 13 10:49:49.015 INFO [stderr] 8  | |     "nop", "jcn", "fim", "src", "fin", "jin", "jun", "jms", "inc", "isz", "add", "sub", "ld",
Dec 13 10:49:49.015 INFO [stderr] 9  | |     "xch", "bbl", "ldm", "wrm", "wmp", "wrr", "wr0", "wr1", "wr2", "wr3", "sbm", "rdm", "rdr",
Dec 13 10:49:49.015 INFO [stderr] 10 | |     "adm", "rd0", "rd1", "rd2", "rd3", "clb", "iac", "cmc", "cma", "ral", "rar", "tcc", "dac",
Dec 13 10:49:49.015 INFO [stderr] 11 | |     "tcs", "stc", "daa", "kbp", "dcl"
Dec 13 10:49:49.015 INFO [stderr] 12 | | ];
Dec 13 10:49:49.015 INFO [stderr]    | |__^
Dec 13 10:49:49.015 INFO [stderr]    |
Dec 13 10:49:49.015 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 13 10:49:49.015 INFO [stderr] 
Dec 13 10:49:49.015 INFO [stderr] warning: enum is never used: `Token`
Dec 13 10:49:49.015 INFO [stderr]   --> src/bin/assembler.rs:14:1
Dec 13 10:49:49.015 INFO [stderr]    |
Dec 13 10:49:49.015 INFO [stderr] 14 | enum Token {
Dec 13 10:49:49.015 INFO [stderr]    | ^^^^^^^^^^
Dec 13 10:49:49.015 INFO [stderr] 
Dec 13 10:49:49.681 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.24s
Dec 13 10:49:49.681 INFO [stderr] su: No module specific data is present
Dec 13 10:49:50.476 INFO running `"docker" "inspect" "937d3aa5cc0078f47e8523e9552abb962b34120a4788002c8db2277e5bf9c3ee"`
Dec 13 10:49:50.920 INFO running `"docker" "rm" "-f" "937d3aa5cc0078f47e8523e9552abb962b34120a4788002c8db2277e5bf9c3ee"`
Dec 13 10:49:51.475 INFO [stdout] 937d3aa5cc0078f47e8523e9552abb962b34120a4788002c8db2277e5bf9c3ee
Dec 13 10:49:51.476 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 13 10:49:51.979 INFO [stdout] 52ddc05bc2f0233339f74c76a6371bb02983b03c187ce847923b1cb6de4b48ef
Dec 13 10:49:51.981 INFO running `"docker" "start" "-a" "52ddc05bc2f0233339f74c76a6371bb02983b03c187ce847923b1cb6de4b48ef"`
Dec 13 10:49:53.111 INFO [stderr] usermod: no changes
Dec 13 10:49:53.155 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
Dec 13 10:49:53.159 INFO [stderr]      Running /target/debug/deps/assembler-66fb830eab9ca3f9
Dec 13 10:49:53.171 INFO [stdout] 
Dec 13 10:49:53.171 INFO [stdout] running 0 tests
Dec 13 10:49:53.171 INFO [stdout] 
Dec 13 10:49:53.171 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 10:49:53.171 INFO [stdout] 
Dec 13 10:49:53.171 INFO [stderr]      Running /target/debug/deps/box-0b6e8f8726791d16
Dec 13 10:49:53.183 INFO [stdout] 
Dec 13 10:49:53.183 INFO [stdout] running 0 tests
Dec 13 10:49:53.183 INFO [stdout] 
Dec 13 10:49:53.183 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 10:49:53.183 INFO [stdout] 
Dec 13 10:49:53.184 INFO [stderr] su: No module specific data is present
Dec 13 10:49:53.930 INFO running `"docker" "inspect" "52ddc05bc2f0233339f74c76a6371bb02983b03c187ce847923b1cb6de4b48ef"`
Dec 13 10:49:54.237 INFO running `"docker" "rm" "-f" "52ddc05bc2f0233339f74c76a6371bb02983b03c187ce847923b1cb6de4b48ef"`
Dec 13 10:49:54.564 INFO [stdout] 52ddc05bc2f0233339f74c76a6371bb02983b03c187ce847923b1cb6de4b48ef