[INFO] updating cached repository raphlinus/ghilbert [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/raphlinus/ghilbert [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/raphlinus/ghilbert" "work/ex/beta-1.38-1/sources/1.37.0/gh/raphlinus/ghilbert"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/raphlinus/ghilbert'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/raphlinus/ghilbert" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/raphlinus/ghilbert"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/raphlinus/ghilbert'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 52428c6e7797c288407a36238c822bf7f56639f3 [INFO] sha for GitHub repo raphlinus/ghilbert: 52428c6e7797c288407a36238c822bf7f56639f3 [INFO] validating manifest of raphlinus/ghilbert 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 raphlinus/ghilbert 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 raphlinus/ghilbert [INFO] finished frobbing raphlinus/ghilbert [INFO] frobbed toml for raphlinus/ghilbert written to work/ex/beta-1.38-1/sources/1.37.0/gh/raphlinus/ghilbert/Cargo.toml [INFO] started frobbing raphlinus/ghilbert [INFO] finished frobbing raphlinus/ghilbert [INFO] frobbed toml for raphlinus/ghilbert written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/raphlinus/ghilbert/Cargo.toml [INFO] crate raphlinus/ghilbert already has a lockfile, it will not be regenerated [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 raphlinus/ghilbert 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/gh/raphlinus/ghilbert:/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] 823143bd7d2f4fddabc51b588b5fa4895d181bee5e0f39bef542d45b8a4b08fa [INFO] running `"docker" "start" "-a" "823143bd7d2f4fddabc51b588b5fa4895d181bee5e0f39bef542d45b8a4b08fa"` [INFO] [stderr] Compiling itoa v0.3.3 [INFO] [stderr] Compiling union-find v0.3.1 [INFO] [stderr] Compiling serde_json v1.0.2 [INFO] [stderr] Compiling ghilbert v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused doc comment [INFO] [stderr] --> src/unify.rs:471:9 [INFO] [stderr] | [INFO] [stderr] 471 | /// Maps node of bound var to set of term var nodes it can appear free in. [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] 472 | let mut free_set = BTreeMap::new(); [INFO] [stderr] | ----------------------------------- rustdoc does not generate documentation for statements [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_doc_comments)] on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/htmlout.rs:342:45 [INFO] [stderr] | [INFO] [stderr] 342 | fn end_proof(&mut self, inspector: &mut Inspector, parser: &Parser) { [INFO] [stderr] | ^^^^^^^^^ help: use `dyn`: `dyn Inspector` [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/prooflistener.rs:30:45 [INFO] [stderr] | [INFO] [stderr] 30 | fn end_proof(&mut self, inspector: &mut Inspector, parser: &Parser); [INFO] [stderr] | ^^^^^^^^^ help: use `dyn`: `dyn Inspector` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/prooflistener.rs:61:46 [INFO] [stderr] | [INFO] [stderr] 61 | fn end_proof(&mut self, _inspector: &mut Inspector, _parser: &Parser) { [INFO] [stderr] | ^^^^^^^^^ help: use `dyn`: `dyn Inspector` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `writer` [INFO] [stderr] --> src/htmlout.rs:128:39 [INFO] [stderr] | [INFO] [stderr] 128 | pub fn write(&mut self, writer: &mut W, parser: &Parser) -> io::Result<()> { [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_writer` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `line` [INFO] [stderr] --> src/htmlout.rs:371:30 [INFO] [stderr] | [INFO] [stderr] 371 | fn start_line(&mut self, line: &ParseNode) { [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_line` [INFO] [stderr] [INFO] [stderr] warning: method is never used: `cur_info` [INFO] [stderr] --> src/htmlout.rs:307:5 [INFO] [stderr] | [INFO] [stderr] 307 | fn cur_info(&self) -> &ThmInfo { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `get_end` [INFO] [stderr] --> src/parser.rs:44:5 [INFO] [stderr] | [INFO] [stderr] 44 | pub fn get_end(&self) -> usize { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `session` [INFO] [stderr] --> src/session.rs:566:5 [INFO] [stderr] | [INFO] [stderr] 566 | session: &'b Session<'a>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 12.51s [INFO] running `"docker" "inspect" "823143bd7d2f4fddabc51b588b5fa4895d181bee5e0f39bef542d45b8a4b08fa"` [INFO] running `"docker" "rm" "-f" "823143bd7d2f4fddabc51b588b5fa4895d181bee5e0f39bef542d45b8a4b08fa"` [INFO] [stdout] 823143bd7d2f4fddabc51b588b5fa4895d181bee5e0f39bef542d45b8a4b08fa [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/gh/raphlinus/ghilbert:/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] 47eca9aceefd330daeed208b20c04d832ffcac5445e2935739fabd543898e9ca [INFO] running `"docker" "start" "-a" "47eca9aceefd330daeed208b20c04d832ffcac5445e2935739fabd543898e9ca"` [INFO] [stderr] Compiling ghilbert v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused doc comment [INFO] [stderr] --> src/unify.rs:471:9 [INFO] [stderr] | [INFO] [stderr] 471 | /// Maps node of bound var to set of term var nodes it can appear free in. [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] 472 | let mut free_set = BTreeMap::new(); [INFO] [stderr] | ----------------------------------- rustdoc does not generate documentation for statements [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_doc_comments)] on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/htmlout.rs:342:45 [INFO] [stderr] | [INFO] [stderr] 342 | fn end_proof(&mut self, inspector: &mut Inspector, parser: &Parser) { [INFO] [stderr] | ^^^^^^^^^ help: use `dyn`: `dyn Inspector` [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/prooflistener.rs:30:45 [INFO] [stderr] | [INFO] [stderr] 30 | fn end_proof(&mut self, inspector: &mut Inspector, parser: &Parser); [INFO] [stderr] | ^^^^^^^^^ help: use `dyn`: `dyn Inspector` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/prooflistener.rs:61:46 [INFO] [stderr] | [INFO] [stderr] 61 | fn end_proof(&mut self, _inspector: &mut Inspector, _parser: &Parser) { [INFO] [stderr] | ^^^^^^^^^ help: use `dyn`: `dyn Inspector` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `writer` [INFO] [stderr] --> src/htmlout.rs:128:39 [INFO] [stderr] | [INFO] [stderr] 128 | pub fn write(&mut self, writer: &mut W, parser: &Parser) -> io::Result<()> { [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_writer` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `line` [INFO] [stderr] --> src/htmlout.rs:371:30 [INFO] [stderr] | [INFO] [stderr] 371 | fn start_line(&mut self, line: &ParseNode) { [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_line` [INFO] [stderr] [INFO] [stderr] warning: method is never used: `cur_info` [INFO] [stderr] --> src/htmlout.rs:307:5 [INFO] [stderr] | [INFO] [stderr] 307 | fn cur_info(&self) -> &ThmInfo { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `get_end` [INFO] [stderr] --> src/parser.rs:44:5 [INFO] [stderr] | [INFO] [stderr] 44 | pub fn get_end(&self) -> usize { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `session` [INFO] [stderr] --> src/session.rs:566:5 [INFO] [stderr] | [INFO] [stderr] 566 | session: &'b Session<'a>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.79s [INFO] running `"docker" "inspect" "47eca9aceefd330daeed208b20c04d832ffcac5445e2935739fabd543898e9ca"` [INFO] running `"docker" "rm" "-f" "47eca9aceefd330daeed208b20c04d832ffcac5445e2935739fabd543898e9ca"` [INFO] [stdout] 47eca9aceefd330daeed208b20c04d832ffcac5445e2935739fabd543898e9ca [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/gh/raphlinus/ghilbert:/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] b85ac6f91db380b6b8a19df22286f14fb8461c85cfe6884b7fe759c4fbf9b5a6 [INFO] running `"docker" "start" "-a" "b85ac6f91db380b6b8a19df22286f14fb8461c85cfe6884b7fe759c4fbf9b5a6"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running /opt/crater/target/debug/deps/ghilbert-0e1c415c6ff4e2dd [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" "b85ac6f91db380b6b8a19df22286f14fb8461c85cfe6884b7fe759c4fbf9b5a6"` [INFO] running `"docker" "rm" "-f" "b85ac6f91db380b6b8a19df22286f14fb8461c85cfe6884b7fe759c4fbf9b5a6"` [INFO] [stdout] b85ac6f91db380b6b8a19df22286f14fb8461c85cfe6884b7fe759c4fbf9b5a6