[INFO] updating cached repository https://github.com/raphlinus/ghilbert [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 52428c6e7797c288407a36238c822bf7f56639f3 [INFO] testing raphlinus/ghilbert against beta-2020-06-03 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fraphlinus%2Fghilbert" "/workspace/builds/worker-3/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/raphlinus/ghilbert on toolchain beta-2020-06-03 [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/raphlinus/ghilbert [INFO] finished tweaking git repo https://github.com/raphlinus/ghilbert [INFO] tweaked toml for git repo https://github.com/raphlinus/ghilbert written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/raphlinus/ghilbert already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"` [INFO] [stdout] 5a8c5a45ae7fcda23346edf7c22adb96e008f301fe6c3ecd88cc1fc910906dbd [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "5a8c5a45ae7fcda23346edf7c22adb96e008f301fe6c3ecd88cc1fc910906dbd"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling itoa v0.3.3 [INFO] [stderr] Compiling serde v1.0.11 [INFO] [stderr] Compiling union-find v0.3.1 [INFO] [stderr] Compiling serde_json v1.0.2 [INFO] [stderr] Compiling ghilbert v0.1.0 (/opt/rustwide/workdir) [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 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: 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: if this is intentional, prefix it 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: if this is intentional, prefix it with an underscore: `_line` [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `cur_info` [INFO] [stderr] --> src/htmlout.rs:307:8 [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: associated function is never used: `get_end` [INFO] [stderr] --> src/parser.rs:44:12 [INFO] [stderr] | [INFO] [stderr] 44 | pub fn get_end(&self) -> usize { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `session` [INFO] [stderr] --> src/session.rs:566:5 [INFO] [stderr] | [INFO] [stderr] 566 | session: &'b Session<'a>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 9 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 12.14s [INFO] running `"docker" "inspect" "5a8c5a45ae7fcda23346edf7c22adb96e008f301fe6c3ecd88cc1fc910906dbd"` [INFO] running `"docker" "rm" "-f" "5a8c5a45ae7fcda23346edf7c22adb96e008f301fe6c3ecd88cc1fc910906dbd"` [INFO] [stdout] 5a8c5a45ae7fcda23346edf7c22adb96e008f301fe6c3ecd88cc1fc910906dbd [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 0f405f0c602fe12203ba51b86a568a5b592439d2a8931f1520d3a19a92289ded [INFO] running `"docker" "start" "-a" "0f405f0c602fe12203ba51b86a568a5b592439d2a8931f1520d3a19a92289ded"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling ghilbert v0.1.0 (/opt/rustwide/workdir) [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 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: 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: if this is intentional, prefix it 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: if this is intentional, prefix it with an underscore: `_line` [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `cur_info` [INFO] [stderr] --> src/htmlout.rs:307:8 [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: associated function is never used: `get_end` [INFO] [stderr] --> src/parser.rs:44:12 [INFO] [stderr] | [INFO] [stderr] 44 | pub fn get_end(&self) -> usize { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `session` [INFO] [stderr] --> src/session.rs:566:5 [INFO] [stderr] | [INFO] [stderr] 566 | session: &'b Session<'a>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 9 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.52s [INFO] running `"docker" "inspect" "0f405f0c602fe12203ba51b86a568a5b592439d2a8931f1520d3a19a92289ded"` [INFO] running `"docker" "rm" "-f" "0f405f0c602fe12203ba51b86a568a5b592439d2a8931f1520d3a19a92289ded"` [INFO] [stdout] 0f405f0c602fe12203ba51b86a568a5b592439d2a8931f1520d3a19a92289ded [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] fc01a21e74db882ec7716657b12edddad062aab142afd5697b320629f0befd83 [INFO] running `"docker" "start" "-a" "fc01a21e74db882ec7716657b12edddad062aab142afd5697b320629f0befd83"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Blocking waiting for file lock on package cache [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 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: 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: if this is intentional, prefix it 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: if this is intentional, prefix it with an underscore: `_line` [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `cur_info` [INFO] [stderr] --> src/htmlout.rs:307:8 [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: associated function is never used: `get_end` [INFO] [stderr] --> src/parser.rs:44:12 [INFO] [stderr] | [INFO] [stderr] 44 | pub fn get_end(&self) -> usize { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `session` [INFO] [stderr] --> src/session.rs:566:5 [INFO] [stderr] | [INFO] [stderr] 566 | session: &'b Session<'a>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 9 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.44s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/ghilbert-2ce9b9ccad9cd317 [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" "fc01a21e74db882ec7716657b12edddad062aab142afd5697b320629f0befd83"` [INFO] running `"docker" "rm" "-f" "fc01a21e74db882ec7716657b12edddad062aab142afd5697b320629f0befd83"` [INFO] [stdout] fc01a21e74db882ec7716657b12edddad062aab142afd5697b320629f0befd83