[INFO] cloning repository https://github.com/raphlinus/ghilbert [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/raphlinus/ghilbert" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fraphlinus%2Fghilbert", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fraphlinus%2Fghilbert'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 52428c6e7797c288407a36238c822bf7f56639f3 [INFO] checking raphlinus/ghilbert against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fraphlinus%2Fghilbert" "/workspace/builds/worker-1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/raphlinus/ghilbert on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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-1/source/Cargo.toml [INFO] crate git repo https://github.com/raphlinus/ghilbert already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded union-find v0.3.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e109d5d711a5eb24e1651d3bb8840cc6e71619214b862c509e60e8628da6ac9f [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "e109d5d711a5eb24e1651d3bb8840cc6e71619214b862c509e60e8628da6ac9f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e109d5d711a5eb24e1651d3bb8840cc6e71619214b862c509e60e8628da6ac9f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e109d5d711a5eb24e1651d3bb8840cc6e71619214b862c509e60e8628da6ac9f", kill_on_drop: false }` [INFO] [stdout] e109d5d711a5eb24e1651d3bb8840cc6e71619214b862c509e60e8628da6ac9f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 03ba2f62b4bc357e125baa92669f28dd4a76505e4be2ef5df64e26b2a68e028a [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "03ba2f62b4bc357e125baa92669f28dd4a76505e4be2ef5df64e26b2a68e028a", kill_on_drop: false }` [INFO] [stderr] Checking num-traits v0.1.40 [INFO] [stderr] Checking dtoa v0.4.2 [INFO] [stderr] Checking itoa v0.3.3 [INFO] [stderr] Checking serde v1.0.11 [INFO] [stderr] Checking union-find v0.3.1 [INFO] [stderr] Checking serde_json v1.0.2 [INFO] [stderr] Checking ghilbert v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/htmlout.rs:342:45 [INFO] [stdout] | [INFO] [stdout] 342 | fn end_proof(&mut self, inspector: &mut Inspector, parser: &Parser) { [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Inspector` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/prooflistener.rs:30:45 [INFO] [stdout] | [INFO] [stdout] 30 | fn end_proof(&mut self, inspector: &mut Inspector, parser: &Parser); [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Inspector` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/prooflistener.rs:61:46 [INFO] [stdout] | [INFO] [stdout] 61 | fn end_proof(&mut self, _inspector: &mut Inspector, _parser: &Parser) { [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Inspector` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/unify.rs:471:9 [INFO] [stdout] | [INFO] [stdout] 471 | /// Maps node of bound var to set of term var nodes it can appear free in. [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 472 | let mut free_set = BTreeMap::new(); [INFO] [stdout] | ----------------------------------- rustdoc does not generate documentation for statements [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_doc_comments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/htmlout.rs:342:45 [INFO] [stdout] | [INFO] [stdout] 342 | fn end_proof(&mut self, inspector: &mut Inspector, parser: &Parser) { [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Inspector` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/prooflistener.rs:30:45 [INFO] [stdout] | [INFO] [stdout] 30 | fn end_proof(&mut self, inspector: &mut Inspector, parser: &Parser); [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Inspector` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/prooflistener.rs:61:46 [INFO] [stdout] | [INFO] [stdout] 61 | fn end_proof(&mut self, _inspector: &mut Inspector, _parser: &Parser) { [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Inspector` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/unify.rs:471:9 [INFO] [stdout] | [INFO] [stdout] 471 | /// Maps node of bound var to set of term var nodes it can appear free in. [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 472 | let mut free_set = BTreeMap::new(); [INFO] [stdout] | ----------------------------------- rustdoc does not generate documentation for statements [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_doc_comments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `writer` [INFO] [stdout] --> src/htmlout.rs:128:39 [INFO] [stdout] | [INFO] [stdout] 128 | pub fn write(&mut self, writer: &mut W, parser: &Parser) -> io::Result<()> { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_writer` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `line` [INFO] [stdout] --> src/htmlout.rs:371:30 [INFO] [stdout] | [INFO] [stdout] 371 | fn start_line(&mut self, line: &ParseNode) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_line` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `writer` [INFO] [stdout] --> src/htmlout.rs:128:39 [INFO] [stdout] | [INFO] [stdout] 128 | pub fn write(&mut self, writer: &mut W, parser: &Parser) -> io::Result<()> { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_writer` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `line` [INFO] [stdout] --> src/htmlout.rs:371:30 [INFO] [stdout] | [INFO] [stdout] 371 | fn start_line(&mut self, line: &ParseNode) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_line` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `cur_info` [INFO] [stdout] --> src/htmlout.rs:307:8 [INFO] [stdout] | [INFO] [stdout] 307 | fn cur_info(&self) -> &ThmInfo { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `get_end` [INFO] [stdout] --> src/parser.rs:44:12 [INFO] [stdout] | [INFO] [stdout] 44 | pub fn get_end(&self) -> usize { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `session` [INFO] [stdout] --> src/session.rs:566:5 [INFO] [stdout] | [INFO] [stdout] 566 | session: &'b Session<'a>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `cur_info` [INFO] [stdout] --> src/htmlout.rs:307:8 [INFO] [stdout] | [INFO] [stdout] 307 | fn cur_info(&self) -> &ThmInfo { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `get_end` [INFO] [stdout] --> src/parser.rs:44:12 [INFO] [stdout] | [INFO] [stdout] 44 | pub fn get_end(&self) -> usize { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `session` [INFO] [stdout] --> src/session.rs:566:5 [INFO] [stdout] | [INFO] [stdout] 566 | session: &'b Session<'a>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 9.88s [INFO] running `Command { std: "docker" "inspect" "03ba2f62b4bc357e125baa92669f28dd4a76505e4be2ef5df64e26b2a68e028a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "03ba2f62b4bc357e125baa92669f28dd4a76505e4be2ef5df64e26b2a68e028a", kill_on_drop: false }` [INFO] [stdout] 03ba2f62b4bc357e125baa92669f28dd4a76505e4be2ef5df64e26b2a68e028a