[INFO] fetching crate autour_core 0.1.12... [INFO] checking autour_core-0.1.12 against master#8a65ee08296b36342bf7c3cdc15312ccbc357227 for pr-142704 [INFO] extracting crate autour_core 0.1.12 into /workspace/builds/worker-4-tc1/source [INFO] validating manifest of crates.io crate autour_core 0.1.12 on toolchain 8a65ee08296b36342bf7c3cdc15312ccbc357227 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8a65ee08296b36342bf7c3cdc15312ccbc357227" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate autour_core 0.1.12 [INFO] finished tweaking crates.io crate autour_core 0.1.12 [INFO] tweaked toml for crates.io crate autour_core 0.1.12 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8a65ee08296b36342bf7c3cdc15312ccbc357227" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 20 packages to latest compatible versions [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8a65ee08296b36342bf7c3cdc15312ccbc357227" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded graphviz_dot_builder v0.1.5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8a65ee08296b36342bf7c3cdc15312ccbc357227" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 73522451f31b62cd79a1bb0da4e2440e3943b0bb7a54f7d7c9bf646c9833363f [INFO] running `Command { std: "docker" "start" "-a" "73522451f31b62cd79a1bb0da4e2440e3943b0bb7a54f7d7c9bf646c9833363f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "73522451f31b62cd79a1bb0da4e2440e3943b0bb7a54f7d7c9bf646c9833363f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "73522451f31b62cd79a1bb0da4e2440e3943b0bb7a54f7d7c9bf646c9833363f", kill_on_drop: false }` [INFO] [stdout] 73522451f31b62cd79a1bb0da4e2440e3943b0bb7a54f7d7c9bf646c9833363f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8a65ee08296b36342bf7c3cdc15312ccbc357227" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2fcac74da79425f386ba2c77c8689fd517e2cfa107a8a640c8d692cac8cd27c6 [INFO] running `Command { std: "docker" "start" "-a" "2fcac74da79425f386ba2c77c8689fd517e2cfa107a8a640c8d692cac8cd27c6", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.5.0 [INFO] [stderr] Compiling proc-macro2 v1.0.95 [INFO] [stderr] Compiling unicode-ident v1.0.18 [INFO] [stderr] Compiling rustversion v1.0.21 [INFO] [stderr] Compiling heck v0.5.0 [INFO] [stderr] Checking strum v0.27.1 [INFO] [stderr] Checking either v1.15.0 [INFO] [stderr] Checking maplit v1.0.2 [INFO] [stderr] Checking itertools v0.14.0 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling quote v1.0.40 [INFO] [stderr] Compiling syn v2.0.103 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking num-complex v0.4.6 [INFO] [stderr] Checking num-bigint v0.4.6 [INFO] [stderr] Checking num-iter v0.1.45 [INFO] [stderr] Checking num-rational v0.4.2 [INFO] [stderr] Checking num v0.4.3 [INFO] [stderr] Compiling strum_macros v0.27.1 [INFO] [stderr] Checking graphviz_dot_builder v0.1.5 [INFO] [stderr] Checking autour_core v0.1.12 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/gnfa/implem/access.rs:49:24 [INFO] [stdout] | [INFO] [stdout] 49 | fn make_accessible(mut self) -> Self { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `other` [INFO] [stdout] --> src/gnfa/implem/build.rs:26:24 [INFO] [stdout] | [INFO] [stdout] 26 | fn unite(mut self, other: Self) -> Result> { [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: variable does not need to be mutable [INFO] [stdout] --> src/gnfa/implem/build.rs:26:14 [INFO] [stdout] | [INFO] [stdout] 26 | fn unite(mut self, other: Self) -> Result> { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `other` [INFO] [stdout] --> src/gnfa/implem/build.rs:30:34 [INFO] [stdout] | [INFO] [stdout] 30 | fn concatenate(mut self, mut other: Self) -> Result> { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_other` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/gnfa/implem/build.rs:30:20 [INFO] [stdout] | [INFO] [stdout] 30 | fn concatenate(mut self, mut other: Self) -> Result> { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/gnfa/implem/build.rs:30:30 [INFO] [stdout] | [INFO] [stdout] 30 | fn concatenate(mut self, mut other: Self) -> Result> { [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `num` [INFO] [stdout] --> src/gnfa/implem/build.rs:34:21 [INFO] [stdout] | [INFO] [stdout] 34 | fn repeat(self, num : usize) -> Self { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_num` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/gnfa/implem/build.rs:38:15 [INFO] [stdout] | [INFO] [stdout] 38 | fn kleene(mut self) -> Self { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `num` [INFO] [stdout] --> src/gnfa/implem/build.rs:42:26 [INFO] [stdout] | [INFO] [stdout] 42 | fn at_most(mut self, num: usize) -> Self { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_num` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/gnfa/implem/build.rs:42:16 [INFO] [stdout] | [INFO] [stdout] 42 | fn at_most(mut self, num: usize) -> Self { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `num` [INFO] [stdout] --> src/gnfa/implem/build.rs:46:23 [INFO] [stdout] | [INFO] [stdout] 46 | fn at_least(self, num: usize) -> Self { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_num` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `r` [INFO] [stdout] --> src/gnfa/implem/build.rs:50:50 [INFO] [stdout] | [INFO] [stdout] 50 | fn repeat_range>(self, r: R) -> Self { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_r` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `active_states` [INFO] [stdout] --> src/gnfa/implem/run.rs:32:23 [INFO] [stdout] | [INFO] [stdout] 32 | active_states: &HashSet, [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_active_states` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `letter` [INFO] [stdout] --> src/gnfa/implem/run.rs:33:23 [INFO] [stdout] | [INFO] [stdout] 33 | letter: &Letter) -> Result,AutError> { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_letter` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `SYNTAX_WILDCARD_HASHTAG` is never used [INFO] [stdout] --> src/printers/commons.rs:25:11 [INFO] [stdout] | [INFO] [stdout] 25 | pub const SYNTAX_WILDCARD_HASHTAG : &str = "#"; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `SYNTAX_CONCATENATION_DOT` is never used [INFO] [stdout] --> src/printers/commons.rs:28:11 [INFO] [stdout] | [INFO] [stdout] 28 | pub const SYNTAX_CONCATENATION_DOT : &str = "."; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/gnfa/implem/access.rs:49:24 [INFO] [stdout] | [INFO] [stdout] 49 | fn make_accessible(mut self) -> Self { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `other` [INFO] [stdout] --> src/gnfa/implem/build.rs:26:24 [INFO] [stdout] | [INFO] [stdout] 26 | fn unite(mut self, other: Self) -> Result> { [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: variable does not need to be mutable [INFO] [stdout] --> src/gnfa/implem/build.rs:26:14 [INFO] [stdout] | [INFO] [stdout] 26 | fn unite(mut self, other: Self) -> Result> { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `other` [INFO] [stdout] --> src/gnfa/implem/build.rs:30:34 [INFO] [stdout] | [INFO] [stdout] 30 | fn concatenate(mut self, mut other: Self) -> Result> { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_other` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/gnfa/implem/build.rs:30:20 [INFO] [stdout] | [INFO] [stdout] 30 | fn concatenate(mut self, mut other: Self) -> Result> { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/gnfa/implem/build.rs:30:30 [INFO] [stdout] | [INFO] [stdout] 30 | fn concatenate(mut self, mut other: Self) -> Result> { [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `num` [INFO] [stdout] --> src/gnfa/implem/build.rs:34:21 [INFO] [stdout] | [INFO] [stdout] 34 | fn repeat(self, num : usize) -> Self { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_num` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/gnfa/implem/build.rs:38:15 [INFO] [stdout] | [INFO] [stdout] 38 | fn kleene(mut self) -> Self { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `num` [INFO] [stdout] --> src/gnfa/implem/build.rs:42:26 [INFO] [stdout] | [INFO] [stdout] 42 | fn at_most(mut self, num: usize) -> Self { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_num` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/gnfa/implem/build.rs:42:16 [INFO] [stdout] | [INFO] [stdout] 42 | fn at_most(mut self, num: usize) -> Self { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `num` [INFO] [stdout] --> src/gnfa/implem/build.rs:46:23 [INFO] [stdout] | [INFO] [stdout] 46 | fn at_least(self, num: usize) -> Self { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_num` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `r` [INFO] [stdout] --> src/gnfa/implem/build.rs:50:50 [INFO] [stdout] | [INFO] [stdout] 50 | fn repeat_range>(self, r: R) -> Self { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_r` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `active_states` [INFO] [stdout] --> src/gnfa/implem/run.rs:32:23 [INFO] [stdout] | [INFO] [stdout] 32 | active_states: &HashSet, [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_active_states` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `letter` [INFO] [stdout] --> src/gnfa/implem/run.rs:33:23 [INFO] [stdout] | [INFO] [stdout] 33 | letter: &Letter) -> Result,AutError> { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_letter` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `SYNTAX_WILDCARD_HASHTAG` is never used [INFO] [stdout] --> src/printers/commons.rs:25:11 [INFO] [stdout] | [INFO] [stdout] 25 | pub const SYNTAX_WILDCARD_HASHTAG : &str = "#"; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `SYNTAX_CONCATENATION_DOT` is never used [INFO] [stdout] --> src/printers/commons.rs:28:11 [INFO] [stdout] | [INFO] [stdout] 28 | pub const SYNTAX_CONCATENATION_DOT : &str = "."; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.58s [INFO] running `Command { std: "docker" "inspect" "2fcac74da79425f386ba2c77c8689fd517e2cfa107a8a640c8d692cac8cd27c6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2fcac74da79425f386ba2c77c8689fd517e2cfa107a8a640c8d692cac8cd27c6", kill_on_drop: false }` [INFO] [stdout] 2fcac74da79425f386ba2c77c8689fd517e2cfa107a8a640c8d692cac8cd27c6