Dec 05 13:36:21.758 INFO testing mtn/silver against try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468 for pr-56514
Dec 05 13:36:21.758 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-0/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/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 05 13:36:21.949 INFO [stdout] 3bf7a9f5cd244d5557191f1afdd2665bbaa3af1f86c7111b35eeedd564e067ce
Dec 05 13:36:21.951 INFO running `"docker" "start" "-a" "3bf7a9f5cd244d5557191f1afdd2665bbaa3af1f86c7111b35eeedd564e067ce"`
Dec 05 13:36:22.539 INFO [stderr] usermod: no changes
Dec 05 13:36:22.563 INFO [stderr]    Compiling silver v0.1.0 (/source)
Dec 05 13:36:24.120 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.56s
Dec 05 13:36:24.123 INFO [stderr] su: No module specific data is present
Dec 05 13:36:24.457 INFO running `"docker" "inspect" "3bf7a9f5cd244d5557191f1afdd2665bbaa3af1f86c7111b35eeedd564e067ce"`
Dec 05 13:36:24.566 INFO running `"docker" "rm" "-f" "3bf7a9f5cd244d5557191f1afdd2665bbaa3af1f86c7111b35eeedd564e067ce"`
Dec 05 13:36:24.740 INFO [stdout] 3bf7a9f5cd244d5557191f1afdd2665bbaa3af1f86c7111b35eeedd564e067ce
Dec 05 13:36:24.768 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-0/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/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 05 13:36:25.041 INFO [stdout] 88afb11e34853e28d6e382291d9679ff5d4f1fc7fdac6ae13ff211a69f714064
Dec 05 13:36:25.046 INFO running `"docker" "start" "-a" "88afb11e34853e28d6e382291d9679ff5d4f1fc7fdac6ae13ff211a69f714064"`
Dec 05 13:36:26.015 INFO [stderr] usermod: no changes
Dec 05 13:36:26.056 INFO [stderr]    Compiling silver v0.1.0 (/source)
Dec 05 13:36:26.664 INFO [stderr] warning: variable does not need to be mutable
Dec 05 13:36:26.664 INFO [stderr]    --> src/parser.rs:331:13
Dec 05 13:36:26.664 INFO [stderr]     |
Dec 05 13:36:26.664 INFO [stderr] 331 |         let mut lexer = lexer::Lexer::new(inp);
Dec 05 13:36:26.664 INFO [stderr]     |             ----^^^^^
Dec 05 13:36:26.664 INFO [stderr]     |             |
Dec 05 13:36:26.664 INFO [stderr]     |             help: remove this `mut`
Dec 05 13:36:26.664 INFO [stderr]     |
Dec 05 13:36:26.664 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 05 13:36:26.664 INFO [stderr] 
Dec 05 13:36:26.664 INFO [stderr] warning: variable does not need to be mutable
Dec 05 13:36:26.664 INFO [stderr]    --> src/parser.rs:344:13
Dec 05 13:36:26.664 INFO [stderr]     |
Dec 05 13:36:26.664 INFO [stderr] 344 |         let mut lexer = lexer::Lexer::new(inp);
Dec 05 13:36:26.664 INFO [stderr]     |             ----^^^^^
Dec 05 13:36:26.664 INFO [stderr]     |             |
Dec 05 13:36:26.664 INFO [stderr]     |             help: remove this `mut`
Dec 05 13:36:26.664 INFO [stderr] 
Dec 05 13:36:26.664 INFO [stderr] warning: variable does not need to be mutable
Dec 05 13:36:26.664 INFO [stderr]    --> src/parser.rs:366:13
Dec 05 13:36:26.664 INFO [stderr]     |
Dec 05 13:36:26.664 INFO [stderr] 366 |         let mut lexer = lexer::Lexer::new(inp);
Dec 05 13:36:26.664 INFO [stderr]     |             ----^^^^^
Dec 05 13:36:26.665 INFO [stderr]     |             |
Dec 05 13:36:26.665 INFO [stderr]     |             help: remove this `mut`
Dec 05 13:36:26.665 INFO [stderr] 
Dec 05 13:36:26.668 INFO [stderr] warning: variable does not need to be mutable
Dec 05 13:36:26.668 INFO [stderr]    --> src/parser.rs:385:13
Dec 05 13:36:26.668 INFO [stderr]     |
Dec 05 13:36:26.668 INFO [stderr] 385 |         let mut lexer = lexer::Lexer::new(inp);
Dec 05 13:36:26.668 INFO [stderr]     |             ----^^^^^
Dec 05 13:36:26.668 INFO [stderr]     |             |
Dec 05 13:36:26.668 INFO [stderr]     |             help: remove this `mut`
Dec 05 13:36:26.668 INFO [stderr] 
Dec 05 13:36:26.668 INFO [stderr] warning: variable does not need to be mutable
Dec 05 13:36:26.668 INFO [stderr]    --> src/parser.rs:406:13
Dec 05 13:36:26.668 INFO [stderr]     |
Dec 05 13:36:26.668 INFO [stderr] 406 |         let mut lexer = lexer::Lexer::new(inp);
Dec 05 13:36:26.668 INFO [stderr]     |             ----^^^^^
Dec 05 13:36:26.668 INFO [stderr]     |             |
Dec 05 13:36:26.668 INFO [stderr]     |             help: remove this `mut`
Dec 05 13:36:26.668 INFO [stderr] 
Dec 05 13:36:26.676 INFO [stderr] warning: variable does not need to be mutable
Dec 05 13:36:26.676 INFO [stderr]    --> src/parser.rs:430:13
Dec 05 13:36:26.676 INFO [stderr]     |
Dec 05 13:36:26.676 INFO [stderr] 430 |         let mut lexer = lexer::Lexer::new(inp);
Dec 05 13:36:26.676 INFO [stderr]     |             ----^^^^^
Dec 05 13:36:26.676 INFO [stderr]     |             |
Dec 05 13:36:26.676 INFO [stderr]     |             help: remove this `mut`
Dec 05 13:36:26.676 INFO [stderr] 
Dec 05 13:36:26.676 INFO [stderr] warning: variable does not need to be mutable
Dec 05 13:36:26.676 INFO [stderr]    --> src/parser.rs:451:13
Dec 05 13:36:26.676 INFO [stderr]     |
Dec 05 13:36:26.676 INFO [stderr] 451 |         let mut lexer = lexer::Lexer::new(inp);
Dec 05 13:36:26.676 INFO [stderr]     |             ----^^^^^
Dec 05 13:36:26.676 INFO [stderr]     |             |
Dec 05 13:36:26.676 INFO [stderr]     |             help: remove this `mut`
Dec 05 13:36:26.676 INFO [stderr] 
Dec 05 13:36:26.677 INFO [stderr] warning: variable does not need to be mutable
Dec 05 13:36:26.677 INFO [stderr]    --> src/parser.rs:487:13
Dec 05 13:36:26.677 INFO [stderr]     |
Dec 05 13:36:26.677 INFO [stderr] 487 |         let mut lexer = lexer::Lexer::new(inp);
Dec 05 13:36:26.677 INFO [stderr]     |             ----^^^^^
Dec 05 13:36:26.677 INFO [stderr]     |             |
Dec 05 13:36:26.677 INFO [stderr]     |             help: remove this `mut`
Dec 05 13:36:26.677 INFO [stderr] 
Dec 05 13:36:27.960 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.90s
Dec 05 13:36:27.960 INFO [stderr] su: No module specific data is present
Dec 05 13:36:28.230 INFO running `"docker" "inspect" "88afb11e34853e28d6e382291d9679ff5d4f1fc7fdac6ae13ff211a69f714064"`
Dec 05 13:36:28.317 INFO running `"docker" "rm" "-f" "88afb11e34853e28d6e382291d9679ff5d4f1fc7fdac6ae13ff211a69f714064"`
Dec 05 13:36:28.412 INFO [stdout] 88afb11e34853e28d6e382291d9679ff5d4f1fc7fdac6ae13ff211a69f714064
Dec 05 13:36:28.418 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-0/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/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 05 13:36:28.606 INFO [stdout] a6d1dbcfd777311324a893ab1872c362fd6a44695a309993a875c788e5eb6485
Dec 05 13:36:28.609 INFO running `"docker" "start" "-a" "a6d1dbcfd777311324a893ab1872c362fd6a44695a309993a875c788e5eb6485"`
Dec 05 13:36:29.188 INFO [stderr] usermod: no changes
Dec 05 13:36:29.218 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 05 13:36:29.219 INFO [stderr]      Running /target/debug/deps/silver-8f00c3e91f907bd4
Dec 05 13:36:29.222 INFO [stdout] 
Dec 05 13:36:29.222 INFO [stdout] running 16 tests
Dec 05 13:36:29.222 INFO [stdout] test lexer::tests::test_lex_empty ... ok
Dec 05 13:36:29.222 INFO [stdout] test lexer::tests::test_lex_integral ... ok
Dec 05 13:36:29.223 INFO [stdout] test lexer::tests::test_lex_keyword ... ok
Dec 05 13:36:29.223 INFO [stdout] test lexer::tests::test_lex_string_literal ... ok
Dec 05 13:36:29.223 INFO [stdout] test lexer::tests::test_peek_and_get_token ... ok
Dec 05 13:36:29.223 INFO [stdout] test lexer::tests::test_lex_variable ... ok
Dec 05 13:36:29.223 INFO [stdout] test parser::tests::test_function_declaration ... ok
Dec 05 13:36:29.223 INFO [stdout] test parser::tests::test_parse_name_sequence ... ok
Dec 05 13:36:29.223 INFO [stdout] test parser::tests::test_parse_invocation ... ok
Dec 05 13:36:29.223 INFO [stdout] test parser::tests::test_parse_if ... ok
Dec 05 13:36:29.223 INFO [stdout] test parser::tests::test_parse_empty ... ok
Dec 05 13:36:29.223 INFO [stdout] test parser::tests::test_parse_simple_binary ... ok
Dec 05 13:36:29.224 INFO [stdout] test parser::tests::test_parse_complex_parenthesized_binary ... ok
Dec 05 13:36:29.224 INFO [stdout] test lexer::tests::test_lex_floating_point ... ok
Dec 05 13:36:29.224 INFO [stdout] test lexer::tests::test_lex_delimiter ... ok
Dec 05 13:36:29.224 INFO [stdout] test parser::tests::test_parse_primative_sequence ... ok
Dec 05 13:36:29.224 INFO [stdout] 
Dec 05 13:36:29.224 INFO [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 05 13:36:29.224 INFO [stdout] 
Dec 05 13:36:29.226 INFO [stderr] su: No module specific data is present
Dec 05 13:36:29.477 INFO running `"docker" "inspect" "a6d1dbcfd777311324a893ab1872c362fd6a44695a309993a875c788e5eb6485"`
Dec 05 13:36:29.574 INFO running `"docker" "rm" "-f" "a6d1dbcfd777311324a893ab1872c362fd6a44695a309993a875c788e5eb6485"`
Dec 05 13:36:29.683 INFO [stdout] a6d1dbcfd777311324a893ab1872c362fd6a44695a309993a875c788e5eb6485