[INFO] cloning repository https://github.com/TopologicallySpeaking/ckproof [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TopologicallySpeaking/ckproof" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTopologicallySpeaking%2Fckproof", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTopologicallySpeaking%2Fckproof'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 330bea4712f4c40f104bc1430c56db82afa3e8f6 [INFO] checking TopologicallySpeaking/ckproof against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTopologicallySpeaking%2Fckproof" "/workspace/builds/worker-5/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/TopologicallySpeaking/ckproof on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/TopologicallySpeaking/ckproof [INFO] finished tweaking git repo https://github.com/TopologicallySpeaking/ckproof [INFO] tweaked toml for git repo https://github.com/TopologicallySpeaking/ckproof written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/TopologicallySpeaking/ckproof already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:ce6408862c0f4858e6cd2b85b2cf085ff7d0d6323904d0a94b71664a228554ab" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4f535f195ddee10786332bd1ce940080b17f6ba2f2860c37d2a8a796cc11beaf [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" "4f535f195ddee10786332bd1ce940080b17f6ba2f2860c37d2a8a796cc11beaf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4f535f195ddee10786332bd1ce940080b17f6ba2f2860c37d2a8a796cc11beaf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4f535f195ddee10786332bd1ce940080b17f6ba2f2860c37d2a8a796cc11beaf", kill_on_drop: false }` [INFO] [stdout] 4f535f195ddee10786332bd1ce940080b17f6ba2f2860c37d2a8a796cc11beaf [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:ce6408862c0f4858e6cd2b85b2cf085ff7d0d6323904d0a94b71664a228554ab" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "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] f2d2d8791f0e466778f8262cf6bcdb70a8855176ce369eea41edce21f9405396 [INFO] running `Command { std: "docker" "start" "-a" "f2d2d8791f0e466778f8262cf6bcdb70a8855176ce369eea41edce21f9405396", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.48 [INFO] [stderr] Compiling ucd-trie v0.1.3 [INFO] [stderr] Compiling maplit v1.0.2 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Checking percent-encoding v2.1.0 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Checking itoa v0.4.6 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking idna v0.2.0 [INFO] [stderr] Compiling pest v2.1.3 [INFO] [stderr] Checking itertools v0.9.0 [INFO] [stderr] Checking form_urlencoded v1.0.0 [INFO] [stderr] Checking url v2.2.0 [INFO] [stderr] Compiling pest_meta v2.1.3 [INFO] [stderr] Compiling pest_generator v2.1.3 [INFO] [stderr] Compiling serde_derive v1.0.117 [INFO] [stderr] Compiling pest_derive v2.1.0 [INFO] [stderr] Checking serde v1.0.117 [INFO] [stderr] Checking serde_json v1.0.59 [INFO] [stderr] Checking ckproof v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: a method with this name may be added to the standard library in the future [INFO] [stdout] --> src/document/language.rs:191:18 [INFO] [stdout] | [INFO] [stdout] 191 | .intersperse(", ".to_owned()) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unstable_name_collisions)]` on by default [INFO] [stdout] = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stdout] = note: for more information, see issue #48919 [INFO] [stdout] = help: call with fully qualified syntax `itertools::Itertools::intersperse(...)` to keep using the current method [INFO] [stdout] = help: add `#![feature(iter_intersperse)]` to the crate attributes to enable `std::iter::Iterator::intersperse` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: a method with this name may be added to the standard library in the future [INFO] [stdout] --> src/document/language.rs:191:18 [INFO] [stdout] | [INFO] [stdout] 191 | .intersperse(", ".to_owned()) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unstable_name_collisions)]` on by default [INFO] [stdout] = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stdout] = note: for more information, see issue #48919 [INFO] [stdout] = help: call with fully qualified syntax `itertools::Itertools::intersperse(...)` to keep using the current method [INFO] [stdout] = help: add `#![feature(iter_intersperse)]` to the crate attributes to enable `std::iter::Iterator::intersperse` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `errors` [INFO] [stdout] --> src/builders/language.rs:1196:47 [INFO] [stdout] | [INFO] [stdout] 1196 | fn build(&self, local_index: &LocalIndex, errors: &mut ParsingErrorContext) { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_errors` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `builder` [INFO] [stdout] --> src/builders/language.rs:1414:26 [INFO] [stdout] | [INFO] [stdout] 1414 | Self::Symbol(builder) => todo!(), [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_builder` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `builder` [INFO] [stdout] --> src/builders/language.rs:1424:26 [INFO] [stdout] | [INFO] [stdout] 1424 | Self::Symbol(builder) => todo!(), [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_builder` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `builder` [INFO] [stdout] --> src/builders/language.rs:1438:26 [INFO] [stdout] | [INFO] [stdout] 1438 | Self::Symbol(builder) => todo!(), [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_builder` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `errors` [INFO] [stdout] --> src/builders/language.rs:1196:47 [INFO] [stdout] | [INFO] [stdout] 1196 | fn build(&self, local_index: &LocalIndex, errors: &mut ParsingErrorContext) { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_errors` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `builder` [INFO] [stdout] --> src/builders/language.rs:1414:26 [INFO] [stdout] | [INFO] [stdout] 1414 | Self::Symbol(builder) => todo!(), [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_builder` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `builder` [INFO] [stdout] --> src/builders/language.rs:1424:26 [INFO] [stdout] | [INFO] [stdout] 1424 | Self::Symbol(builder) => todo!(), [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_builder` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `builder` [INFO] [stdout] --> src/builders/language.rs:1438:26 [INFO] [stdout] | [INFO] [stdout] 1438 | Self::Symbol(builder) => todo!(), [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_builder` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `id` [INFO] [stdout] --> src/builders/language.rs:1163:5 [INFO] [stdout] | [INFO] [stdout] 1163 | id: String, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `systems` [INFO] [stdout] --> src/deduction/directory.rs:28:5 [INFO] [stdout] | [INFO] [stdout] 28 | systems: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `types` [INFO] [stdout] --> src/deduction/directory.rs:29:5 [INFO] [stdout] | [INFO] [stdout] 29 | types: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `id` [INFO] [stdout] --> src/deduction/mod.rs:90:5 [INFO] [stdout] | [INFO] [stdout] 90 | id: String, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `id` [INFO] [stdout] --> src/deduction/mod.rs:100:5 [INFO] [stdout] | [INFO] [stdout] 100 | id: String, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `system` [INFO] [stdout] --> src/deduction/mod.rs:102:5 [INFO] [stdout] | [INFO] [stdout] 102 | system: SystemRef, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `id` [INFO] [stdout] --> src/deduction/mod.rs:159:5 [INFO] [stdout] | [INFO] [stdout] 159 | id: String, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `system` [INFO] [stdout] --> src/deduction/mod.rs:160:5 [INFO] [stdout] | [INFO] [stdout] 160 | system: SystemRef, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `id` [INFO] [stdout] --> src/deduction/mod.rs:177:5 [INFO] [stdout] | [INFO] [stdout] 177 | id: String, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `id` [INFO] [stdout] --> src/deduction/mod.rs:336:5 [INFO] [stdout] | [INFO] [stdout] 336 | id: String, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `system` [INFO] [stdout] --> src/deduction/mod.rs:337:5 [INFO] [stdout] | [INFO] [stdout] 337 | system: SystemRef, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `local_directory` [INFO] [stdout] --> src/deduction/mod.rs:338:5 [INFO] [stdout] | [INFO] [stdout] 338 | local_directory: LocalCheckableDirectory, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `id` [INFO] [stdout] --> src/deduction/mod.rs:385:5 [INFO] [stdout] | [INFO] [stdout] 385 | id: String, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `system` [INFO] [stdout] --> src/deduction/mod.rs:386:5 [INFO] [stdout] | [INFO] [stdout] 386 | system: SystemRef, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `local_directory` [INFO] [stdout] --> src/deduction/mod.rs:387:5 [INFO] [stdout] | [INFO] [stdout] 387 | local_directory: LocalCheckableDirectory, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 20 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `id` [INFO] [stdout] --> src/builders/language.rs:1163:5 [INFO] [stdout] | [INFO] [stdout] 1163 | id: String, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `systems` [INFO] [stdout] --> src/deduction/directory.rs:28:5 [INFO] [stdout] | [INFO] [stdout] 28 | systems: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `types` [INFO] [stdout] --> src/deduction/directory.rs:29:5 [INFO] [stdout] | [INFO] [stdout] 29 | types: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `id` [INFO] [stdout] --> src/deduction/mod.rs:90:5 [INFO] [stdout] | [INFO] [stdout] 90 | id: String, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `id` [INFO] [stdout] --> src/deduction/mod.rs:100:5 [INFO] [stdout] | [INFO] [stdout] 100 | id: String, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `system` [INFO] [stdout] --> src/deduction/mod.rs:102:5 [INFO] [stdout] | [INFO] [stdout] 102 | system: SystemRef, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `id` [INFO] [stdout] --> src/deduction/mod.rs:159:5 [INFO] [stdout] | [INFO] [stdout] 159 | id: String, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `system` [INFO] [stdout] --> src/deduction/mod.rs:160:5 [INFO] [stdout] | [INFO] [stdout] 160 | system: SystemRef, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `id` [INFO] [stdout] --> src/deduction/mod.rs:177:5 [INFO] [stdout] | [INFO] [stdout] 177 | id: String, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `id` [INFO] [stdout] --> src/deduction/mod.rs:336:5 [INFO] [stdout] | [INFO] [stdout] 336 | id: String, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `system` [INFO] [stdout] --> src/deduction/mod.rs:337:5 [INFO] [stdout] | [INFO] [stdout] 337 | system: SystemRef, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `local_directory` [INFO] [stdout] --> src/deduction/mod.rs:338:5 [INFO] [stdout] | [INFO] [stdout] 338 | local_directory: LocalCheckableDirectory, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `id` [INFO] [stdout] --> src/deduction/mod.rs:385:5 [INFO] [stdout] | [INFO] [stdout] 385 | id: String, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `system` [INFO] [stdout] --> src/deduction/mod.rs:386:5 [INFO] [stdout] | [INFO] [stdout] 386 | system: SystemRef, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `local_directory` [INFO] [stdout] --> src/deduction/mod.rs:387:5 [INFO] [stdout] | [INFO] [stdout] 387 | local_directory: LocalCheckableDirectory, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 20 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 49.70s [INFO] running `Command { std: "docker" "inspect" "f2d2d8791f0e466778f8262cf6bcdb70a8855176ce369eea41edce21f9405396", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f2d2d8791f0e466778f8262cf6bcdb70a8855176ce369eea41edce21f9405396", kill_on_drop: false }` [INFO] [stdout] f2d2d8791f0e466778f8262cf6bcdb70a8855176ce369eea41edce21f9405396