[INFO] crate synfuzz 0.1.0 is already in cache [INFO] extracting crate synfuzz 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/synfuzz/0.1.0 [INFO] extracting crate synfuzz 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/synfuzz/0.1.0 [INFO] validating manifest of synfuzz-0.1.0 on toolchain 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of synfuzz-0.1.0 on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing synfuzz-0.1.0 [INFO] finished frobbing synfuzz-0.1.0 [INFO] frobbed toml for synfuzz-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/synfuzz/0.1.0/Cargo.toml [INFO] started frobbing synfuzz-0.1.0 [INFO] finished frobbing synfuzz-0.1.0 [INFO] frobbed toml for synfuzz-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/synfuzz/0.1.0/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing synfuzz-0.1.0 against 1.37.0 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/synfuzz/0.1.0:/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" "+1.37.0" "build" "--frozen"` [INFO] [stdout] ad0f0cb529064db3bd992e833a5c5735f9686ae4b6dbbe1a4e514cbb1d561d25 [INFO] running `"docker" "start" "-a" "ad0f0cb529064db3bd992e833a5c5735f9686ae4b6dbbe1a4e514cbb1d561d25"` [INFO] [stderr] Compiling synfuzz v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/combinator.rs:22:26 [INFO] [stderr] | [INFO] [stderr] 22 | pub choices: Vec>, [INFO] [stderr] | ^^^^^^^^^ help: use `dyn`: `dyn Generator` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(bare_trait_objects)] on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/combinator.rs:55:32 [INFO] [stderr] | [INFO] [stderr] 55 | pub fn choice(choices: Vec>) -> impl Generator { [INFO] [stderr] | ^^^^^^^^^ help: use `dyn`: `dyn Generator` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/combinator.rs:62:24 [INFO] [stderr] | [INFO] [stderr] 62 | pub generator: Box, [INFO] [stderr] | ^^^^^^^^^ help: use `dyn`: `dyn Generator` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/combinator.rs:90:24 [INFO] [stderr] | [INFO] [stderr] 90 | pub generator: Box, [INFO] [stderr] | ^^^^^^^^^ help: use `dyn`: `dyn Generator` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/combinator.rs:119:24 [INFO] [stderr] | [INFO] [stderr] 119 | pub generator: Box, [INFO] [stderr] | ^^^^^^^^^ help: use `dyn`: `dyn Generator` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/combinator.rs:157:47 [INFO] [stderr] | [INFO] [stderr] 157 | pub rules: Arc>>>, [INFO] [stderr] | ^^^^^^^^^ help: use `dyn`: `dyn Generator` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/combinator.rs:212:38 [INFO] [stderr] | [INFO] [stderr] 212 | pub type Rules = HashMap>; [INFO] [stderr] | ^^^^^^^^^ help: use `dyn`: `dyn Generator` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/combinator.rs:220:29 [INFO] [stderr] | [INFO] [stderr] 220 | pub generators: Vec>, [INFO] [stderr] | ^^^^^^^^^ help: use `dyn`: `dyn Generator` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/combinator.rs:238:32 [INFO] [stderr] | [INFO] [stderr] 238 | pub fn seq(generators: Vec>) -> impl Generator { [INFO] [stderr] | ^^^^^^^^^ help: use `dyn`: `dyn Generator` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/combinator.rs:249:24 [INFO] [stderr] | [INFO] [stderr] 249 | pub generator: Box, [INFO] [stderr] | ^^^^^^^^^ help: use `dyn`: `dyn Generator` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/combinator.rs:288:24 [INFO] [stderr] | [INFO] [stderr] 288 | pub generator: Box, [INFO] [stderr] | ^^^^^^^^^ help: use `dyn`: `dyn Generator` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/combinator.rs:323:29 [INFO] [stderr] | [INFO] [stderr] 323 | pub generators: Vec>, [INFO] [stderr] | ^^^^^^^^^ help: use `dyn`: `dyn Generator` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/combinator.rs:324:24 [INFO] [stderr] | [INFO] [stderr] 324 | pub delimiter: Box, [INFO] [stderr] | ^^^^^^^^^ help: use `dyn`: `dyn Generator` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/combinator.rs:357:25 [INFO] [stderr] | [INFO] [stderr] 357 | generators: Vec>, [INFO] [stderr] | ^^^^^^^^^ help: use `dyn`: `dyn Generator` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/combinator.rs:371:24 [INFO] [stderr] | [INFO] [stderr] 371 | pub generator: Box, [INFO] [stderr] | ^^^^^^^^^ help: use `dyn`: `dyn Generator` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/combinator.rs:372:24 [INFO] [stderr] | [INFO] [stderr] 372 | pub separator: Box, [INFO] [stderr] | ^^^^^^^^^ help: use `dyn`: `dyn Generator` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/combinator.rs:418:24 [INFO] [stderr] | [INFO] [stderr] 418 | pub generator: Box, [INFO] [stderr] | ^^^^^^^^^ help: use `dyn`: `dyn Generator` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/combinator.rs:419:24 [INFO] [stderr] | [INFO] [stderr] 419 | pub separator: Box, [INFO] [stderr] | ^^^^^^^^^ help: use `dyn`: `dyn Generator` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/combinator.rs:465:24 [INFO] [stderr] | [INFO] [stderr] 465 | pub generator: Box, [INFO] [stderr] | ^^^^^^^^^ help: use `dyn`: `dyn Generator` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.38s [INFO] running `"docker" "inspect" "ad0f0cb529064db3bd992e833a5c5735f9686ae4b6dbbe1a4e514cbb1d561d25"` [INFO] running `"docker" "rm" "-f" "ad0f0cb529064db3bd992e833a5c5735f9686ae4b6dbbe1a4e514cbb1d561d25"` [INFO] [stdout] ad0f0cb529064db3bd992e833a5c5735f9686ae4b6dbbe1a4e514cbb1d561d25 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/synfuzz/0.1.0:/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" "+1.37.0" "test" "--frozen" "--no-run"` [INFO] [stdout] 6b7c03fd9dacdc3cc92b3bb5700d1fbc0722c7d7b5c39a38fad7881da37662e0 [INFO] running `"docker" "start" "-a" "6b7c03fd9dacdc3cc92b3bb5700d1fbc0722c7d7b5c39a38fad7881da37662e0"` [INFO] [stderr] Compiling synfuzz v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> examples/expression.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #[macro_use] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/combinator.rs:22:26 [INFO] [stderr] | [INFO] [stderr] 22 | pub choices: Vec>, [INFO] [stderr] | ^^^^^^^^^ help: use `dyn`: `dyn Generator` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(bare_trait_objects)] on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/combinator.rs:55:32 [INFO] [stderr] | [INFO] [stderr] 55 | pub fn choice(choices: Vec>) -> impl Generator { [INFO] [stderr] | ^^^^^^^^^ help: use `dyn`: `dyn Generator` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/combinator.rs:62:24 [INFO] [stderr] | [INFO] [stderr] 62 | pub generator: Box, [INFO] [stderr] | ^^^^^^^^^ help: use `dyn`: `dyn Generator` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/combinator.rs:90:24 [INFO] [stderr] | [INFO] [stderr] 90 | pub generator: Box, [INFO] [stderr] | ^^^^^^^^^ help: use `dyn`: `dyn Generator` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/combinator.rs:119:24 [INFO] [stderr] | [INFO] [stderr] 119 | pub generator: Box, [INFO] [stderr] | ^^^^^^^^^ help: use `dyn`: `dyn Generator` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/combinator.rs:157:47 [INFO] [stderr] | [INFO] [stderr] 157 | pub rules: Arc>>>, [INFO] [stderr] | ^^^^^^^^^ help: use `dyn`: `dyn Generator` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/combinator.rs:212:38 [INFO] [stderr] | [INFO] [stderr] 212 | pub type Rules = HashMap>; [INFO] [stderr] | ^^^^^^^^^ help: use `dyn`: `dyn Generator` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/combinator.rs:220:29 [INFO] [stderr] | [INFO] [stderr] 220 | pub generators: Vec>, [INFO] [stderr] | ^^^^^^^^^ help: use `dyn`: `dyn Generator` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/combinator.rs:238:32 [INFO] [stderr] | [INFO] [stderr] 238 | pub fn seq(generators: Vec>) -> impl Generator { [INFO] [stderr] | ^^^^^^^^^ help: use `dyn`: `dyn Generator` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/combinator.rs:249:24 [INFO] [stderr] | [INFO] [stderr] 249 | pub generator: Box, [INFO] [stderr] | ^^^^^^^^^ help: use `dyn`: `dyn Generator` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/combinator.rs:288:24 [INFO] [stderr] | [INFO] [stderr] 288 | pub generator: Box, [INFO] [stderr] | ^^^^^^^^^ help: use `dyn`: `dyn Generator` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/combinator.rs:323:29 [INFO] [stderr] | [INFO] [stderr] 323 | pub generators: Vec>, [INFO] [stderr] | ^^^^^^^^^ help: use `dyn`: `dyn Generator` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/combinator.rs:324:24 [INFO] [stderr] | [INFO] [stderr] 324 | pub delimiter: Box, [INFO] [stderr] | ^^^^^^^^^ help: use `dyn`: `dyn Generator` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/combinator.rs:357:25 [INFO] [stderr] | [INFO] [stderr] 357 | generators: Vec>, [INFO] [stderr] | ^^^^^^^^^ help: use `dyn`: `dyn Generator` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/combinator.rs:371:24 [INFO] [stderr] | [INFO] [stderr] 371 | pub generator: Box, [INFO] [stderr] | ^^^^^^^^^ help: use `dyn`: `dyn Generator` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/combinator.rs:372:24 [INFO] [stderr] | [INFO] [stderr] 372 | pub separator: Box, [INFO] [stderr] | ^^^^^^^^^ help: use `dyn`: `dyn Generator` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/combinator.rs:418:24 [INFO] [stderr] | [INFO] [stderr] 418 | pub generator: Box, [INFO] [stderr] | ^^^^^^^^^ help: use `dyn`: `dyn Generator` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/combinator.rs:419:24 [INFO] [stderr] | [INFO] [stderr] 419 | pub separator: Box, [INFO] [stderr] | ^^^^^^^^^ help: use `dyn`: `dyn Generator` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/combinator.rs:465:24 [INFO] [stderr] | [INFO] [stderr] 465 | pub generator: Box, [INFO] [stderr] | ^^^^^^^^^ help: use `dyn`: `dyn Generator` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.00s [INFO] running `"docker" "inspect" "6b7c03fd9dacdc3cc92b3bb5700d1fbc0722c7d7b5c39a38fad7881da37662e0"` [INFO] running `"docker" "rm" "-f" "6b7c03fd9dacdc3cc92b3bb5700d1fbc0722c7d7b5c39a38fad7881da37662e0"` [INFO] [stdout] 6b7c03fd9dacdc3cc92b3bb5700d1fbc0722c7d7b5c39a38fad7881da37662e0 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/synfuzz/0.1.0:/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" "+1.37.0" "test" "--frozen"` [INFO] [stdout] 28074e586c6ff1fc5996da523c1ec1c0b70990facebc7cdde124f6038d6308c3 [INFO] running `"docker" "start" "-a" "28074e586c6ff1fc5996da523c1ec1c0b70990facebc7cdde124f6038d6308c3"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running /opt/crater/target/debug/deps/synfuzz-7700ef64ea7d2792 [INFO] [stdout] [INFO] [stdout] running 22 tests [INFO] [stdout] test combinator::test::generate_choice ... ok [INFO] [stdout] test combinator::test::generate_many ... ok [INFO] [stdout] test combinator::test::generate_rule ... ok [INFO] [stdout] test combinator::test::generate_not ... ok [INFO] [stdout] test combinator::test::negate_choice ... ok [INFO] [stdout] test combinator::test::generate_many1 ... ok [INFO] [stdout] test combinator::test::generate_repeatn ... ok [INFO] [stdout] test combinator::test::negate_not ... ok [INFO] [stdout] test combinator::test::negate_many ... ok [INFO] [stdout] test value::tests::generate_byte ... ok [INFO] [stdout] test value::tests::generate_ch ... ok [INFO] [stdout] test combinator::test::generate_optional ... ok [INFO] [stdout] test combinator::test::negate_repeatn ... ok [INFO] [stdout] test combinator::test::negate_many1 ... ok [INFO] [stdout] test combinator::test::negate_optional ... ok [INFO] [stdout] test combinator::test::negate_rule ... ok [INFO] [stdout] test value::tests::negate_string ... ok [INFO] [stdout] test value::tests::generate_any ... ok [INFO] [stdout] test value::tests::generate_string ... ok [INFO] [stdout] test value::tests::negate_byte ... ok [INFO] [stdout] test value::tests::generate_char_range ... ok [INFO] [stdout] test value::tests::negate_ch ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 22 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Doc-tests synfuzz [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "28074e586c6ff1fc5996da523c1ec1c0b70990facebc7cdde124f6038d6308c3"` [INFO] running `"docker" "rm" "-f" "28074e586c6ff1fc5996da523c1ec1c0b70990facebc7cdde124f6038d6308c3"` [INFO] [stdout] 28074e586c6ff1fc5996da523c1ec1c0b70990facebc7cdde124f6038d6308c3