[INFO] fetching crate pibench-parser 0.1.7... [INFO] checking pibench-parser-0.1.7 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate pibench-parser 0.1.7 into /workspace/builds/worker-4-tc1/source [INFO] validating manifest of crates.io crate pibench-parser 0.1.7 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate pibench-parser 0.1.7 [INFO] finished tweaking crates.io crate pibench-parser 0.1.7 [INFO] tweaked toml for crates.io crate pibench-parser 0.1.7 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 28 packages [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "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] 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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c67e5aed57be9fcfb73ad9a9eab426cfcd4ccbbc3a6a858c325139e13b5e4033 [INFO] running `Command { std: "docker" "start" "-a" "c67e5aed57be9fcfb73ad9a9eab426cfcd4ccbbc3a6a858c325139e13b5e4033", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c67e5aed57be9fcfb73ad9a9eab426cfcd4ccbbc3a6a858c325139e13b5e4033", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c67e5aed57be9fcfb73ad9a9eab426cfcd4ccbbc3a6a858c325139e13b5e4033", kill_on_drop: false }` [INFO] [stdout] c67e5aed57be9fcfb73ad9a9eab426cfcd4ccbbc3a6a858c325139e13b5e4033 [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fb92625d4350a2f341de5c683e7b2b0b1baf51dbf4800d61c90fc45db6a078c6 [INFO] running `Command { std: "docker" "start" "-a" "fb92625d4350a2f341de5c683e7b2b0b1baf51dbf4800d61c90fc45db6a078c6", kill_on_drop: false }` [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stderr] Compiling wasm-bindgen v0.2.92 [INFO] [stderr] Checking regex-automata v0.4.6 [INFO] [stderr] Checking regex v1.10.4 [INFO] [stderr] Checking serde v1.0.197 [INFO] [stderr] Checking serde_json v1.0.115 [INFO] [stderr] Checking pibench-parser v0.1.7 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `regex` is imported redundantly [INFO] [stdout] --> src/lib.rs:1:13 [INFO] [stdout] | [INFO] [stdout] 1 | use regex::{self, Regex}; [INFO] [stdout] | ^^^^ the item `regex` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `serde_json` is imported redundantly [INFO] [stdout] --> src/lib.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use serde_json; [INFO] [stdout] | ^^^^^^^^^^ the item `serde_json` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused macro definition: `log` [INFO] [stdout] --> src/lib.rs:15:14 [INFO] [stdout] | [INFO] [stdout] 15 | macro_rules! log { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_macros)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `regex` is imported redundantly [INFO] [stdout] --> src/lib.rs:1:13 [INFO] [stdout] | [INFO] [stdout] 1 | use regex::{self, Regex}; [INFO] [stdout] | ^^^^ the item `regex` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `serde_json` is imported redundantly [INFO] [stdout] --> src/lib.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use serde_json; [INFO] [stdout] | ^^^^^^^^^^ the item `serde_json` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused macro definition: `log` [INFO] [stdout] --> src/lib.rs:15:14 [INFO] [stdout] | [INFO] [stdout] 15 | macro_rules! log { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_macros)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `wasm_bindgen::JsValue::from_serde`: causes dependency cycles, use `serde-wasm-bindgen` or `gloo_utils::format::JsValueSerdeExt` instead [INFO] [stdout] --> src/lib.rs:286:18 [INFO] [stdout] | [INFO] [stdout] 286 | JsValue::from_serde(&self).unwrap() [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `wasm_bindgen::JsValue::from_serde`: causes dependency cycles, use `serde-wasm-bindgen` or `gloo_utils::format::JsValueSerdeExt` instead [INFO] [stdout] --> src/lib.rs:286:18 [INFO] [stdout] | [INFO] [stdout] 286 | JsValue::from_serde(&self).unwrap() [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used [INFO] [stdout] --> src/c_ffi.rs:22:9 [INFO] [stdout] | [INFO] [stdout] 22 | CString::from_raw(val); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: call `drop(from_raw(ptr))` if you intend to drop the `CString` [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 22 | let _ = CString::from_raw(val); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used [INFO] [stdout] --> src/c_ffi.rs:22:9 [INFO] [stdout] | [INFO] [stdout] 22 | CString::from_raw(val); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: call `drop(from_raw(ptr))` if you intend to drop the `CString` [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 22 | let _ = CString::from_raw(val); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.78s [INFO] running `Command { std: "docker" "inspect" "fb92625d4350a2f341de5c683e7b2b0b1baf51dbf4800d61c90fc45db6a078c6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fb92625d4350a2f341de5c683e7b2b0b1baf51dbf4800d61c90fc45db6a078c6", kill_on_drop: false }` [INFO] [stdout] fb92625d4350a2f341de5c683e7b2b0b1baf51dbf4800d61c90fc45db6a078c6 [INFO] checking pibench-parser-0.1.7 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] extracting crate pibench-parser 0.1.7 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate pibench-parser 0.1.7 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate pibench-parser 0.1.7 [INFO] finished tweaking crates.io crate pibench-parser 0.1.7 [INFO] tweaked toml for crates.io crate pibench-parser 0.1.7 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 70c8ba8c67972226d126f534816d9b058deeb368b4a94dee619824049a2db7d4 [INFO] running `Command { std: "docker" "start" "-a" "70c8ba8c67972226d126f534816d9b058deeb368b4a94dee619824049a2db7d4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "70c8ba8c67972226d126f534816d9b058deeb368b4a94dee619824049a2db7d4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "70c8ba8c67972226d126f534816d9b058deeb368b4a94dee619824049a2db7d4", kill_on_drop: false }` [INFO] [stdout] 70c8ba8c67972226d126f534816d9b058deeb368b4a94dee619824049a2db7d4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7bedac3f48afde482e5c26ff34b5928aa91f4ba449feb6b750955acf00d3bbed [INFO] running `Command { std: "docker" "start" "-a" "7bedac3f48afde482e5c26ff34b5928aa91f4ba449feb6b750955acf00d3bbed", kill_on_drop: false }` [INFO] [stderr] Compiling wasm-bindgen v0.2.92 [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stderr] Checking regex-automata v0.4.6 [INFO] [stderr] Checking regex v1.10.4 [INFO] [stderr] Checking serde v1.0.197 [INFO] [stderr] Checking serde_json v1.0.115 [INFO] [stderr] Checking pibench-parser v0.1.7 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `regex` is imported redundantly [INFO] [stdout] --> src/lib.rs:1:13 [INFO] [stdout] | [INFO] [stdout] 1 | use regex::{self, Regex}; [INFO] [stdout] | ^^^^ the item `regex` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `serde_json` is imported redundantly [INFO] [stdout] --> src/lib.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use serde_json; [INFO] [stdout] | ^^^^^^^^^^ the item `serde_json` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused macro definition: `log` [INFO] [stdout] --> src/lib.rs:15:14 [INFO] [stdout] | [INFO] [stdout] 15 | macro_rules! log { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_macros)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `regex` is imported redundantly [INFO] [stdout] --> src/lib.rs:1:13 [INFO] [stdout] | [INFO] [stdout] 1 | use regex::{self, Regex}; [INFO] [stdout] | ^^^^ the item `regex` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `serde_json` is imported redundantly [INFO] [stdout] --> src/lib.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use serde_json; [INFO] [stdout] | ^^^^^^^^^^ the item `serde_json` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused macro definition: `log` [INFO] [stdout] --> src/lib.rs:15:14 [INFO] [stdout] | [INFO] [stdout] 15 | macro_rules! log { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_macros)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `wasm_bindgen::JsValue::from_serde`: causes dependency cycles, use `serde-wasm-bindgen` or `gloo_utils::format::JsValueSerdeExt` instead [INFO] [stdout] --> src/lib.rs:286:18 [INFO] [stdout] | [INFO] [stdout] 286 | JsValue::from_serde(&self).unwrap() [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `wasm_bindgen::JsValue::from_serde`: causes dependency cycles, use `serde-wasm-bindgen` or `gloo_utils::format::JsValueSerdeExt` instead [INFO] [stdout] --> src/lib.rs:286:18 [INFO] [stdout] | [INFO] [stdout] 286 | JsValue::from_serde(&self).unwrap() [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used [INFO] [stdout] --> src/c_ffi.rs:22:9 [INFO] [stdout] | [INFO] [stdout] 22 | CString::from_raw(val); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: call `drop(from_raw(ptr))` if you intend to drop the `CString` [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 22 | let _ = CString::from_raw(val); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used [INFO] [stdout] --> src/c_ffi.rs:22:9 [INFO] [stdout] | [INFO] [stdout] 22 | CString::from_raw(val); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: call `drop(from_raw(ptr))` if you intend to drop the `CString` [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 22 | let _ = CString::from_raw(val); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.85s [INFO] running `Command { std: "docker" "inspect" "7bedac3f48afde482e5c26ff34b5928aa91f4ba449feb6b750955acf00d3bbed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7bedac3f48afde482e5c26ff34b5928aa91f4ba449feb6b750955acf00d3bbed", kill_on_drop: false }` [INFO] [stdout] 7bedac3f48afde482e5c26ff34b5928aa91f4ba449feb6b750955acf00d3bbed