[INFO] updating cached repository https://github.com/mthom/rusty-wam [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] [stderr] From https://github.com/mthom/rusty-wam [INFO] [stderr] d3eb31e..8e318f7 master -> master [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 8e318f76a7017920bb7ddb2bbfb4f0b5a1e30c6c [INFO] checking mthom/rusty-wam against try#13f916f63bc6575d5ff1f989237dfabe88981368 for pr-69880 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmthom%2Frusty-wam" "/workspace/builds/worker-6/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mthom/rusty-wam on toolchain 13f916f63bc6575d5ff1f989237dfabe88981368 [INFO] running `"/workspace/cargo-home/bin/cargo" "+13f916f63bc6575d5ff1f989237dfabe88981368" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/mthom/rusty-wam [INFO] finished tweaking git repo https://github.com/mthom/rusty-wam [INFO] tweaked toml for git repo https://github.com/mthom/rusty-wam written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/mthom/rusty-wam already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+13f916f63bc6575d5ff1f989237dfabe88981368" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=forbid" "-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" "+13f916f63bc6575d5ff1f989237dfabe88981368" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 751bfdbde38f66d78afc045a8f2df95ec13fd95f67733cc29a89121b0065c881 [INFO] running `"docker" "start" "-a" "751bfdbde38f66d78afc045a8f2df95ec13fd95f67733cc29a89121b0065c881"` [INFO] [stderr] Compiling rug v1.5.2 [INFO] [stderr] Checking downcast v0.10.0 [INFO] [stderr] Checking ref_thread_local v0.0.0 [INFO] [stderr] Compiling libc v0.2.62 [INFO] [stderr] Compiling scryer-prolog v0.8.118 (/opt/rustwide/workdir) [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking parking_lot_core v0.7.0 [INFO] [stderr] Checking dirs-sys v0.3.4 [INFO] [stderr] Checking signal-hook-registry v1.2.0 [INFO] [stderr] Checking lexical-core v0.4.0 [INFO] [stderr] Checking num-traits v0.1.43 [INFO] [stderr] Checking nix v0.14.1 [INFO] [stderr] Checking nix v0.15.0 [INFO] [stderr] Checking unicode_reader v1.0.0 [INFO] [stderr] Checking ordered-float v0.5.2 [INFO] [stderr] Checking dirs v2.0.2 [INFO] [stderr] Checking parking_lot v0.10.0 [INFO] [stderr] Checking mio v0.6.21 [INFO] [stderr] Checking signal-hook v0.1.13 [INFO] [stderr] Checking crossterm v0.16.0 [INFO] [stderr] Checking lexical v2.1.0 [INFO] [stderr] Compiling gmp-mpfr-sys v1.1.14 [INFO] [stderr] Checking rustyline v6.0.0 [INFO] [stderr] Checking prolog_parser v0.8.47 [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> src/prolog/heap_print.rs:422:13 [INFO] [stderr] | [INFO] [stderr] 422 | (iter.next() == Some(']') && iter.next().is_none()) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> src/prolog/heap_print.rs:424:13 [INFO] [stderr] | [INFO] [stderr] 424 | (iter.next() == Some('}') && iter.next().is_none()) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> src/prolog/heap_print.rs:422:13 [INFO] [stderr] | [INFO] [stderr] 422 | (iter.next() == Some(']') && iter.next().is_none()) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> src/prolog/heap_print.rs:424:13 [INFO] [stderr] | [INFO] [stderr] 424 | (iter.next() == Some('}') && iter.next().is_none()) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: field is never read: `stream_aliases` [INFO] [stderr] --> src/prolog/machine/machine_indices.rs:630:5 [INFO] [stderr] | [INFO] [stderr] 630 | pub(super) stream_aliases: StreamAliasDir, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Binary` [INFO] [stderr] --> src/prolog/machine/streams.rs:16:5 [INFO] [stderr] | [INFO] [stderr] 16 | Binary, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Error` [INFO] [stderr] --> src/prolog/machine/streams.rs:23:5 [INFO] [stderr] | [INFO] [stderr] 23 | Error, [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Reset` [INFO] [stderr] --> src/prolog/machine/streams.rs:24:5 [INFO] [stderr] | [INFO] [stderr] 24 | Reset, [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Stdin` [INFO] [stderr] --> src/prolog/machine/streams.rs:34:5 [INFO] [stderr] | [INFO] [stderr] 34 | Stdin, [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `TcpStream` [INFO] [stderr] --> src/prolog/machine/streams.rs:36:5 [INFO] [stderr] | [INFO] [stderr] 36 | TcpStream(TcpStream), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `stdin` [INFO] [stderr] --> src/prolog/machine/streams.rs:194:5 [INFO] [stderr] | [INFO] [stderr] 194 | / pub(crate) [INFO] [stderr] 195 | | fn stdin() -> Self { [INFO] [stderr] 196 | | Stream { [INFO] [stderr] 197 | | options: StreamOptions::default(), [INFO] [stderr] ... | [INFO] [stderr] 201 | | } [INFO] [stderr] 202 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `is_input_stream` [INFO] [stderr] --> src/prolog/machine/streams.rs:231:5 [INFO] [stderr] | [INFO] [stderr] 231 | / pub(crate) [INFO] [stderr] 232 | | fn is_input_stream(&self) -> bool { [INFO] [stderr] 233 | | match *self.stream_inst.0.borrow() { [INFO] [stderr] 234 | | StreamInstance::Stdin [INFO] [stderr] ... | [INFO] [stderr] 245 | | } [INFO] [stderr] 246 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `is_output_stream` [INFO] [stderr] --> src/prolog/machine/streams.rs:249:5 [INFO] [stderr] | [INFO] [stderr] 249 | / pub(crate) [INFO] [stderr] 250 | | fn is_output_stream(&self) -> bool { [INFO] [stderr] 251 | | match *self.stream_inst.0.borrow() { [INFO] [stderr] 252 | | StreamInstance::Stdout [INFO] [stderr] ... | [INFO] [stderr] 261 | | } [INFO] [stderr] 262 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `reset` [INFO] [stderr] --> src/prolog/machine/mod.rs:316:5 [INFO] [stderr] | [INFO] [stderr] 316 | pub fn reset(&mut self) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `stream_aliases` [INFO] [stderr] --> src/prolog/machine/machine_indices.rs:630:5 [INFO] [stderr] | [INFO] [stderr] 630 | pub(super) stream_aliases: StreamAliasDir, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Binary` [INFO] [stderr] --> src/prolog/machine/streams.rs:16:5 [INFO] [stderr] | [INFO] [stderr] 16 | Binary, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Error` [INFO] [stderr] --> src/prolog/machine/streams.rs:23:5 [INFO] [stderr] | [INFO] [stderr] 23 | Error, [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Reset` [INFO] [stderr] --> src/prolog/machine/streams.rs:24:5 [INFO] [stderr] | [INFO] [stderr] 24 | Reset, [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Stdin` [INFO] [stderr] --> src/prolog/machine/streams.rs:34:5 [INFO] [stderr] | [INFO] [stderr] 34 | Stdin, [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `TcpStream` [INFO] [stderr] --> src/prolog/machine/streams.rs:36:5 [INFO] [stderr] | [INFO] [stderr] 36 | TcpStream(TcpStream), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `stdin` [INFO] [stderr] --> src/prolog/machine/streams.rs:194:5 [INFO] [stderr] | [INFO] [stderr] 194 | / pub(crate) [INFO] [stderr] 195 | | fn stdin() -> Self { [INFO] [stderr] 196 | | Stream { [INFO] [stderr] 197 | | options: StreamOptions::default(), [INFO] [stderr] ... | [INFO] [stderr] 201 | | } [INFO] [stderr] 202 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `is_input_stream` [INFO] [stderr] --> src/prolog/machine/streams.rs:231:5 [INFO] [stderr] | [INFO] [stderr] 231 | / pub(crate) [INFO] [stderr] 232 | | fn is_input_stream(&self) -> bool { [INFO] [stderr] 233 | | match *self.stream_inst.0.borrow() { [INFO] [stderr] 234 | | StreamInstance::Stdin [INFO] [stderr] ... | [INFO] [stderr] 245 | | } [INFO] [stderr] 246 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `is_output_stream` [INFO] [stderr] --> src/prolog/machine/streams.rs:249:5 [INFO] [stderr] | [INFO] [stderr] 249 | / pub(crate) [INFO] [stderr] 250 | | fn is_output_stream(&self) -> bool { [INFO] [stderr] 251 | | match *self.stream_inst.0.borrow() { [INFO] [stderr] 252 | | StreamInstance::Stdout [INFO] [stderr] ... | [INFO] [stderr] 261 | | } [INFO] [stderr] 262 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4m 46s [INFO] running `"docker" "inspect" "751bfdbde38f66d78afc045a8f2df95ec13fd95f67733cc29a89121b0065c881"` [INFO] running `"docker" "rm" "-f" "751bfdbde38f66d78afc045a8f2df95ec13fd95f67733cc29a89121b0065c881"` [INFO] [stdout] 751bfdbde38f66d78afc045a8f2df95ec13fd95f67733cc29a89121b0065c881