[INFO] fetching crate dot_parse 0.2.0... [INFO] checking dot_parse-0.2.0 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526 [INFO] extracting crate dot_parse 0.2.0 into /workspace/builds/worker-1/source [INFO] validating manifest of crates.io crate dot_parse 0.2.0 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 crates.io crate dot_parse 0.2.0 [INFO] finished tweaking crates.io crate dot_parse 0.2.0 [INFO] tweaked toml for crates.io crate dot_parse 0.2.0 written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate crates.io crate dot_parse 0.2.0 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] Downloading crates ... [INFO] [stderr] Downloaded dot v0.1.4 [INFO] [stderr] Downloaded more-asserts v0.2.1 [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] 99ae199d7a35ddf7838c4e607b347f909e5c9c274c38a8f4e6c090a092087e88 [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" "99ae199d7a35ddf7838c4e607b347f909e5c9c274c38a8f4e6c090a092087e88", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "99ae199d7a35ddf7838c4e607b347f909e5c9c274c38a8f4e6c090a092087e88", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "99ae199d7a35ddf7838c4e607b347f909e5c9c274c38a8f4e6c090a092087e88", kill_on_drop: false }` [INFO] [stdout] 99ae199d7a35ddf7838c4e607b347f909e5c9c274c38a8f4e6c090a092087e88 [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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 3486335ffa822a32ae9ed1a1be7e060c3c3afd0cd85e4bfecd85b2cbf4c5803f [INFO] running `Command { std: "docker" "start" "-a" "3486335ffa822a32ae9ed1a1be7e060c3c3afd0cd85e4bfecd85b2cbf4c5803f", kill_on_drop: false }` [INFO] [stderr] Checking dot v0.1.4 [INFO] [stderr] Checking more-asserts v0.2.1 [INFO] [stderr] Checking dot_parse v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/lib.rs:350:61 [INFO] [stdout] | [INFO] [stdout] 350 | fn parse_from(tokens: &[&'a str]) -> Result, ((usize, &'a str))> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/lib.rs:350:61 [INFO] [stdout] | [INFO] [stdout] 350 | fn parse_from(tokens: &[&'a str]) -> Result, ((usize, &'a str))> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/lib.rs:10:13 [INFO] [stdout] | [INFO] [stdout] 10 | _ => false [INFO] [stdout] | ^ unreachable pattern [INFO] [stdout] ... [INFO] [stdout] 235 | (Some(a), Some(_b)) => matches!(a, _b) && id_match(self, other), [INFO] [stdout] | --------------- [INFO] [stdout] | | | [INFO] [stdout] | | matches any value [INFO] [stdout] | in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/lib.rs:10:13 [INFO] [stdout] | [INFO] [stdout] 10 | _ => false [INFO] [stdout] | ^ unreachable pattern [INFO] [stdout] ... [INFO] [stdout] 488 | matches!(self, other) [INFO] [stdout] | --------------------- [INFO] [stdout] | | | [INFO] [stdout] | | matches any value [INFO] [stdout] | in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/lib.rs:604:21 [INFO] [stdout] | [INFO] [stdout] 603 | key_subgraph => parse_stmt_list_and_return(None, 2), [INFO] [stdout] | ------------ matches any value [INFO] [stdout] 604 | _ => Err((0, "expecting subgraph")), [INFO] [stdout] | ^ unreachable pattern [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/lib.rs:609:21 [INFO] [stdout] | [INFO] [stdout] 609 | (_, Ok(_)) => Err((0, "expecting subgraph")), [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `other` [INFO] [stdout] --> src/lib.rs:488:24 [INFO] [stdout] | [INFO] [stdout] 488 | matches!(self, other) [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_other` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `other` [INFO] [stdout] --> src/lib.rs:487:18 [INFO] [stdout] | [INFO] [stdout] 487 | fn eq(&self, other: &Self) -> bool { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_other` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key_subgraph` [INFO] [stdout] --> src/lib.rs:597:13 [INFO] [stdout] | [INFO] [stdout] 597 | let key_subgraph: &str = "subgraph"; [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_key_subgraph` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `right_brace` [INFO] [stdout] --> src/lib.rs:598:13 [INFO] [stdout] | [INFO] [stdout] 598 | let right_brace: &str = "}"; [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_right_brace` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `right_brace` [INFO] [stdout] --> src/lib.rs:600:42 [INFO] [stdout] | [INFO] [stdout] 600 | (Some(idx_left_brace), Some(&right_brace)) => match idx_left_brace { [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_right_brace` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key_subgraph` [INFO] [stdout] --> src/lib.rs:603:21 [INFO] [stdout] | [INFO] [stdout] 603 | key_subgraph => parse_stmt_list_and_return(None, 2), [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_key_subgraph` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key_subgraph` [INFO] [stdout] --> src/lib.rs:608:22 [INFO] [stdout] | [INFO] [stdout] 608 | (key_subgraph, Ok(id)) => parse_stmt_list_and_return(Some(id), 3), [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_key_subgraph` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `get` [INFO] [stdout] --> src/lib.rs:421:8 [INFO] [stdout] | [INFO] [stdout] 421 | fn get(&self, key: &str) -> Option<&IdWrapper<'a>> { [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: `len` [INFO] [stdout] --> src/lib.rs:425:8 [INFO] [stdout] | [INFO] [stdout] 425 | fn len(&self) -> usize { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `key` [INFO] [stdout] --> src/lib.rs:504:5 [INFO] [stdout] | [INFO] [stdout] 504 | key: AttrStmtKey, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `attr_list` [INFO] [stdout] --> src/lib.rs:505:5 [INFO] [stdout] | [INFO] [stdout] 505 | attr_list: AttrList<'a>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `id` [INFO] [stdout] --> src/lib.rs:533:5 [INFO] [stdout] | [INFO] [stdout] 533 | id: NodeId<'a>, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `attr_list` [INFO] [stdout] --> src/lib.rs:534:5 [INFO] [stdout] | [INFO] [stdout] 534 | attr_list: Option>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `id` [INFO] [stdout] --> src/lib.rs:577:5 [INFO] [stdout] | [INFO] [stdout] 577 | id: Option>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `stmt_list` [INFO] [stdout] --> src/lib.rs:578:5 [INFO] [stdout] | [INFO] [stdout] 578 | stmt_list: StmtList<'a>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `attr_list` [INFO] [stdout] --> src/lib.rs:718:5 [INFO] [stdout] | [INFO] [stdout] 718 | attr_list: Option>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/lib.rs:10:13 [INFO] [stdout] | [INFO] [stdout] 10 | _ => false [INFO] [stdout] | ^ unreachable pattern [INFO] [stdout] ... [INFO] [stdout] 235 | (Some(a), Some(_b)) => matches!(a, _b) && id_match(self, other), [INFO] [stdout] | --------------- [INFO] [stdout] | | | [INFO] [stdout] | | matches any value [INFO] [stdout] | in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/lib.rs:10:13 [INFO] [stdout] | [INFO] [stdout] 10 | _ => false [INFO] [stdout] | ^ unreachable pattern [INFO] [stdout] ... [INFO] [stdout] 488 | matches!(self, other) [INFO] [stdout] | --------------------- [INFO] [stdout] | | | [INFO] [stdout] | | matches any value [INFO] [stdout] | in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/lib.rs:604:21 [INFO] [stdout] | [INFO] [stdout] 603 | key_subgraph => parse_stmt_list_and_return(None, 2), [INFO] [stdout] | ------------ matches any value [INFO] [stdout] 604 | _ => Err((0, "expecting subgraph")), [INFO] [stdout] | ^ unreachable pattern [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/lib.rs:609:21 [INFO] [stdout] | [INFO] [stdout] 609 | (_, Ok(_)) => Err((0, "expecting subgraph")), [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `other` [INFO] [stdout] --> src/lib.rs:488:24 [INFO] [stdout] | [INFO] [stdout] 488 | matches!(self, other) [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_other` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `other` [INFO] [stdout] --> src/lib.rs:487:18 [INFO] [stdout] | [INFO] [stdout] 487 | fn eq(&self, other: &Self) -> bool { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_other` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key_subgraph` [INFO] [stdout] --> src/lib.rs:597:13 [INFO] [stdout] | [INFO] [stdout] 597 | let key_subgraph: &str = "subgraph"; [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_key_subgraph` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `right_brace` [INFO] [stdout] --> src/lib.rs:598:13 [INFO] [stdout] | [INFO] [stdout] 598 | let right_brace: &str = "}"; [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_right_brace` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `right_brace` [INFO] [stdout] --> src/lib.rs:600:42 [INFO] [stdout] | [INFO] [stdout] 600 | (Some(idx_left_brace), Some(&right_brace)) => match idx_left_brace { [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_right_brace` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key_subgraph` [INFO] [stdout] --> src/lib.rs:603:21 [INFO] [stdout] | [INFO] [stdout] 603 | key_subgraph => parse_stmt_list_and_return(None, 2), [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_key_subgraph` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key_subgraph` [INFO] [stdout] --> src/lib.rs:608:22 [INFO] [stdout] | [INFO] [stdout] 608 | (key_subgraph, Ok(id)) => parse_stmt_list_and_return(Some(id), 3), [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_key_subgraph` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 21 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `attr_list` [INFO] [stdout] --> src/lib.rs:505:5 [INFO] [stdout] | [INFO] [stdout] 505 | attr_list: AttrList<'a>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `stmt_list` [INFO] [stdout] --> src/lib.rs:578:5 [INFO] [stdout] | [INFO] [stdout] 578 | stmt_list: StmtList<'a>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 14 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.43s [INFO] running `Command { std: "docker" "inspect" "3486335ffa822a32ae9ed1a1be7e060c3c3afd0cd85e4bfecd85b2cbf4c5803f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3486335ffa822a32ae9ed1a1be7e060c3c3afd0cd85e4bfecd85b2cbf4c5803f", kill_on_drop: false }` [INFO] [stdout] 3486335ffa822a32ae9ed1a1be7e060c3c3afd0cd85e4bfecd85b2cbf4c5803f