[INFO] updating cached repository mtn/silver [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/mtn/silver [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/mtn/silver" "work/ex/beta-1.37-6/sources/1.36.0/gh/mtn/silver"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/mtn/silver'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/mtn/silver" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/mtn/silver"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/mtn/silver'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 895c666723d96cf42655ef713ff9893b25f10b3c [INFO] sha for GitHub repo mtn/silver: 895c666723d96cf42655ef713ff9893b25f10b3c [INFO] validating manifest of mtn/silver on toolchain 1.36.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of mtn/silver on toolchain beta-2019-07-23 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing mtn/silver [INFO] finished frobbing mtn/silver [INFO] frobbed toml for mtn/silver written to work/ex/beta-1.37-6/sources/1.36.0/gh/mtn/silver/Cargo.toml [INFO] started frobbing mtn/silver [INFO] finished frobbing mtn/silver [INFO] frobbed toml for mtn/silver written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/mtn/silver/Cargo.toml [INFO] crate mtn/silver already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing mtn/silver against 1.36.0 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/mtn/silver:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "build" "--frozen"` [INFO] [stdout] 4e3005e6ec51e9d633b456ea7bed39dc824e421429f857b9907cc8d9e2d9264e [INFO] running `"docker" "start" "-a" "4e3005e6ec51e9d633b456ea7bed39dc824e421429f857b9907cc8d9e2d9264e"` [INFO] [stderr] Compiling silver v0.1.0 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.93s [INFO] running `"docker" "inspect" "4e3005e6ec51e9d633b456ea7bed39dc824e421429f857b9907cc8d9e2d9264e"` [INFO] running `"docker" "rm" "-f" "4e3005e6ec51e9d633b456ea7bed39dc824e421429f857b9907cc8d9e2d9264e"` [INFO] [stdout] 4e3005e6ec51e9d633b456ea7bed39dc824e421429f857b9907cc8d9e2d9264e [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/mtn/silver:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "test" "--frozen" "--no-run"` [INFO] [stdout] a877e3464eb750b018ac043aa51dcf2721237efbfcdc1c5510b390f852d2f2a1 [INFO] running `"docker" "start" "-a" "a877e3464eb750b018ac043aa51dcf2721237efbfcdc1c5510b390f852d2f2a1"` [INFO] [stderr] Compiling silver v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/parser.rs:331:13 [INFO] [stderr] | [INFO] [stderr] 331 | let mut lexer = lexer::Lexer::new(inp); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/parser.rs:344:13 [INFO] [stderr] | [INFO] [stderr] 344 | let mut lexer = lexer::Lexer::new(inp); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/parser.rs:366:13 [INFO] [stderr] | [INFO] [stderr] 366 | let mut lexer = lexer::Lexer::new(inp); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/parser.rs:385:13 [INFO] [stderr] | [INFO] [stderr] 385 | let mut lexer = lexer::Lexer::new(inp); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/parser.rs:406:13 [INFO] [stderr] | [INFO] [stderr] 406 | let mut lexer = lexer::Lexer::new(inp); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/parser.rs:430:13 [INFO] [stderr] | [INFO] [stderr] 430 | let mut lexer = lexer::Lexer::new(inp); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/parser.rs:451:13 [INFO] [stderr] | [INFO] [stderr] 451 | let mut lexer = lexer::Lexer::new(inp); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/parser.rs:487:13 [INFO] [stderr] | [INFO] [stderr] 487 | let mut lexer = lexer::Lexer::new(inp); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.28s [INFO] running `"docker" "inspect" "a877e3464eb750b018ac043aa51dcf2721237efbfcdc1c5510b390f852d2f2a1"` [INFO] running `"docker" "rm" "-f" "a877e3464eb750b018ac043aa51dcf2721237efbfcdc1c5510b390f852d2f2a1"` [INFO] [stdout] a877e3464eb750b018ac043aa51dcf2721237efbfcdc1c5510b390f852d2f2a1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/mtn/silver:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "test" "--frozen"` [INFO] [stdout] 544fbec07d6f468d99350223f1dd289a88b7b9b5c047102cdb1c2f9e861a90ce [INFO] running `"docker" "start" "-a" "544fbec07d6f468d99350223f1dd289a88b7b9b5c047102cdb1c2f9e861a90ce"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running /opt/crater/target/debug/deps/silver-6df1967f7d003de2 [INFO] [stdout] [INFO] [stdout] running 16 tests [INFO] [stdout] test lexer::tests::test_peek_and_get_token ... ok [INFO] [stdout] test lexer::tests::test_lex_variable ... ok [INFO] [stdout] test lexer::tests::test_lex_string_literal ... ok [INFO] [stdout] test lexer::tests::test_lex_keyword ... ok [INFO] [stdout] test lexer::tests::test_lex_delimiter ... ok [INFO] [stdout] test lexer::tests::test_lex_empty ... ok [INFO] [stdout] test parser::tests::test_parse_empty ... ok [INFO] [stdout] test parser::tests::test_function_declaration ... ok [INFO] [stdout] test parser::tests::test_parse_complex_parenthesized_binary ... ok [INFO] [stdout] test lexer::tests::test_lex_floating_point ... ok [INFO] [stdout] test parser::tests::test_parse_simple_binary ... ok [INFO] [stdout] test lexer::tests::test_lex_integral ... ok [INFO] [stdout] test parser::tests::test_parse_invocation ... ok [INFO] [stdout] test parser::tests::test_parse_primative_sequence ... ok [INFO] [stdout] test parser::tests::test_parse_name_sequence ... ok [INFO] [stdout] test parser::tests::test_parse_if ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "544fbec07d6f468d99350223f1dd289a88b7b9b5c047102cdb1c2f9e861a90ce"` [INFO] running `"docker" "rm" "-f" "544fbec07d6f468d99350223f1dd289a88b7b9b5c047102cdb1c2f9e861a90ce"` [INFO] [stdout] 544fbec07d6f468d99350223f1dd289a88b7b9b5c047102cdb1c2f9e861a90ce