[INFO] fetching crate ply-rs 0.1.3... [INFO] checking ply-rs-0.1.3 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate ply-rs 0.1.3 into /workspace/builds/worker-3-tc1/source [INFO] validating manifest of crates.io crate ply-rs 0.1.3 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 ply-rs 0.1.3 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate ply-rs 0.1.3 [INFO] tweaked toml for crates.io crate ply-rs 0.1.3 written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate crates.io crate ply-rs 0.1.3 already has a lockfile, it will not be regenerated [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] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded skeptic v0.13.4 [INFO] [stderr] Downloaded cargo_metadata v0.6.4 [INFO] [stderr] Downloaded peg-runtime v0.6.3 [INFO] [stderr] Downloaded backtrace v0.3.50 [INFO] [stderr] Downloaded peg-macros v0.6.3 [INFO] [stderr] Downloaded peg v0.6.3 [INFO] [stderr] Downloaded syn v1.0.39 [INFO] [stderr] Downloaded pulldown-cmark v0.2.0 [INFO] [stderr] Downloaded libc v0.2.76 [INFO] [stderr] Downloaded object v0.20.0 [INFO] [stderr] Downloaded bytecount v0.4.0 [INFO] [stderr] Downloaded miniz_oxide v0.4.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 72d7bfca4297fc77d04bcf0b5d85d1a28cbb2c1519857cd6c4a17fae96fa5448 [INFO] running `Command { std: "docker" "start" "-a" "72d7bfca4297fc77d04bcf0b5d85d1a28cbb2c1519857cd6c4a17fae96fa5448", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "72d7bfca4297fc77d04bcf0b5d85d1a28cbb2c1519857cd6c4a17fae96fa5448", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "72d7bfca4297fc77d04bcf0b5d85d1a28cbb2c1519857cd6c4a17fae96fa5448", kill_on_drop: false }` [INFO] [stdout] 72d7bfca4297fc77d04bcf0b5d85d1a28cbb2c1519857cd6c4a17fae96fa5448 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] a845505047f9c4c641e51a292394e893dbd8bc96217b55943ee5ad22aadbf230 [INFO] running `Command { std: "docker" "start" "-a" "a845505047f9c4c641e51a292394e893dbd8bc96217b55943ee5ad22aadbf230", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.76 [INFO] [stderr] Compiling proc-macro2 v1.0.19 [INFO] [stderr] Compiling serde v1.0.115 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Compiling syn v1.0.39 [INFO] [stderr] Compiling serde_json v1.0.57 [INFO] [stderr] Compiling serde_derive v1.0.115 [INFO] [stderr] Compiling adler v0.2.3 [INFO] [stderr] Compiling gimli v0.22.0 [INFO] [stderr] Compiling pulldown-cmark v0.2.0 [INFO] [stderr] Compiling object v0.20.0 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling rustc-demangle v0.1.16 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling itoa v0.4.6 [INFO] [stderr] Compiling miniz_oxide v0.4.1 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling remove_dir_all v0.5.3 [INFO] [stderr] Compiling same-file v1.0.6 [INFO] [stderr] Compiling walkdir v2.3.1 [INFO] [stderr] Compiling bytecount v0.4.0 [INFO] [stderr] Compiling error-chain v0.12.4 [INFO] [stderr] Compiling glob v0.2.11 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling peg-runtime v0.6.3 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking linked-hash-map v0.5.3 [INFO] [stderr] Compiling peg-macros v0.6.3 [INFO] [stderr] Compiling tempdir v0.3.7 [INFO] [stderr] Compiling addr2line v0.13.0 [INFO] [stderr] Checking peg v0.6.3 [INFO] [stderr] Checking semver v0.9.0 [INFO] [stderr] Compiling backtrace v0.3.50 [INFO] [stderr] Compiling cargo_metadata v0.6.4 [INFO] [stderr] Checking skeptic v0.13.4 [INFO] [stderr] Compiling ply-rs v0.1.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around match arm expression [INFO] [stdout] --> src/parser/mod.rs:179:42 [INFO] [stdout] | [INFO] [stdout] 179 | Ok(l @ Line::MagicNumber) => (l), [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 179 - Ok(l @ Line::MagicNumber) => (l), [INFO] [stdout] 179 + Ok(l @ Line::MagicNumber) => l, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around match arm expression [INFO] [stdout] --> src/parser/mod.rs:199:44 [INFO] [stdout] | [INFO] [stdout] 199 | Ok(Line::Format(ref t)) => ( [INFO] [stdout] | ____________________________________________^ [INFO] [stdout] 200 | | if header_form_ver.is_none() { [INFO] [stdout] | |____________________^ [INFO] [stdout] ... [INFO] [stdout] 216 | } [INFO] [stdout] | ______________________^ [INFO] [stdout] 217 | | ), [INFO] [stdout] | |_________________^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 199 ~ Ok(Line::Format(ref t)) => if header_form_ver.is_none() { [INFO] [stdout] 200 | header_form_ver = Some(t.clone()); [INFO] [stdout] ... [INFO] [stdout] 214 | } [INFO] [stdout] 215 ~ }, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around match arm expression [INFO] [stdout] --> src/parser/mod.rs:218:45 [INFO] [stdout] | [INFO] [stdout] 218 | Ok(Line::ObjInfo(ref o)) => ( [INFO] [stdout] | ______________________________________________^ [INFO] [stdout] 219 | | header_obj_infos.push(o.clone()) [INFO] [stdout] | | ____________________^________________________________^ [INFO] [stdout] | ||____________________| [INFO] [stdout] | | [INFO] [stdout] 220 | | ), [INFO] [stdout] | |_________________^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 218 - Ok(Line::ObjInfo(ref o)) => ( [INFO] [stdout] 219 - header_obj_infos.push(o.clone()) [INFO] [stdout] 218 + Ok(Line::ObjInfo(ref o)) => header_obj_infos.push(o.clone()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around match arm expression [INFO] [stdout] --> src/parser/mod.rs:221:45 [INFO] [stdout] | [INFO] [stdout] 221 | Ok(Line::Comment(ref c)) => ( [INFO] [stdout] | ______________________________________________^ [INFO] [stdout] 222 | | header_comments.push(c.clone()) [INFO] [stdout] | | ____________________^_______________________________^ [INFO] [stdout] | ||____________________| [INFO] [stdout] | | [INFO] [stdout] 223 | | ), [INFO] [stdout] | |_________________^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 221 - Ok(Line::Comment(ref c)) => ( [INFO] [stdout] 222 - header_comments.push(c.clone()) [INFO] [stdout] 221 + Ok(Line::Comment(ref c)) => header_comments.push(c.clone()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around match arm expression [INFO] [stdout] --> src/parser/mod.rs:179:42 [INFO] [stdout] | [INFO] [stdout] 179 | Ok(l @ Line::MagicNumber) => (l), [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 179 - Ok(l @ Line::MagicNumber) => (l), [INFO] [stdout] 179 + Ok(l @ Line::MagicNumber) => l, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around match arm expression [INFO] [stdout] --> src/parser/mod.rs:227:42 [INFO] [stdout] | [INFO] [stdout] 227 | Ok(Line::Property(p)) => ( [INFO] [stdout] | __________________________________________^ [INFO] [stdout] 228 | | if header_elements.is_empty() { [INFO] [stdout] | |____________________^ [INFO] [stdout] ... [INFO] [stdout] 238 | } [INFO] [stdout] | ______________________^ [INFO] [stdout] 239 | | ), [INFO] [stdout] | |_________________^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 227 ~ Ok(Line::Property(p)) => if header_elements.is_empty() { [INFO] [stdout] 228 | return parse_ascii_error( [INFO] [stdout] ... [INFO] [stdout] 236 | header_elements.add(e); [INFO] [stdout] 237 ~ }, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around match arm expression [INFO] [stdout] --> src/parser/mod.rs:199:44 [INFO] [stdout] | [INFO] [stdout] 199 | Ok(Line::Format(ref t)) => ( [INFO] [stdout] | ____________________________________________^ [INFO] [stdout] 200 | | if header_form_ver.is_none() { [INFO] [stdout] | |____________________^ [INFO] [stdout] ... [INFO] [stdout] 216 | } [INFO] [stdout] | ______________________^ [INFO] [stdout] 217 | | ), [INFO] [stdout] | |_________________^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 199 ~ Ok(Line::Format(ref t)) => if header_form_ver.is_none() { [INFO] [stdout] 200 | header_form_ver = Some(t.clone()); [INFO] [stdout] ... [INFO] [stdout] 214 | } [INFO] [stdout] 215 ~ }, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `peg` is imported redundantly [INFO] [stdout] --> src/parser/mod.rs:442:5 [INFO] [stdout] | [INFO] [stdout] 442 | use peg; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:31:1 [INFO] [stdout] | [INFO] [stdout] 31 | extern crate peg; [INFO] [stdout] | ----------------- the item `peg` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around match arm expression [INFO] [stdout] --> src/parser/mod.rs:218:45 [INFO] [stdout] | [INFO] [stdout] 218 | Ok(Line::ObjInfo(ref o)) => ( [INFO] [stdout] | ______________________________________________^ [INFO] [stdout] 219 | | header_obj_infos.push(o.clone()) [INFO] [stdout] | | ____________________^________________________________^ [INFO] [stdout] | ||____________________| [INFO] [stdout] | | [INFO] [stdout] 220 | | ), [INFO] [stdout] | |_________________^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 218 - Ok(Line::ObjInfo(ref o)) => ( [INFO] [stdout] 219 - header_obj_infos.push(o.clone()) [INFO] [stdout] 218 + Ok(Line::ObjInfo(ref o)) => header_obj_infos.push(o.clone()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around match arm expression [INFO] [stdout] --> src/parser/mod.rs:221:45 [INFO] [stdout] | [INFO] [stdout] 221 | Ok(Line::Comment(ref c)) => ( [INFO] [stdout] | ______________________________________________^ [INFO] [stdout] 222 | | header_comments.push(c.clone()) [INFO] [stdout] | | ____________________^_______________________________^ [INFO] [stdout] | ||____________________| [INFO] [stdout] | | [INFO] [stdout] 223 | | ), [INFO] [stdout] | |_________________^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 221 - Ok(Line::Comment(ref c)) => ( [INFO] [stdout] 222 - header_comments.push(c.clone()) [INFO] [stdout] 221 + Ok(Line::Comment(ref c)) => header_comments.push(c.clone()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around match arm expression [INFO] [stdout] --> src/parser/mod.rs:227:42 [INFO] [stdout] | [INFO] [stdout] 227 | Ok(Line::Property(p)) => ( [INFO] [stdout] | __________________________________________^ [INFO] [stdout] 228 | | if header_elements.is_empty() { [INFO] [stdout] | |____________________^ [INFO] [stdout] ... [INFO] [stdout] 238 | } [INFO] [stdout] | ______________________^ [INFO] [stdout] 239 | | ), [INFO] [stdout] | |_________________^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 227 ~ Ok(Line::Property(p)) => if header_elements.is_empty() { [INFO] [stdout] 228 | return parse_ascii_error( [INFO] [stdout] ... [INFO] [stdout] 236 | header_elements.add(e); [INFO] [stdout] 237 ~ }, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `peg` is imported redundantly [INFO] [stdout] --> src/parser/mod.rs:442:5 [INFO] [stdout] | [INFO] [stdout] 442 | use peg; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:31:1 [INFO] [stdout] | [INFO] [stdout] 31 | extern crate peg; [INFO] [stdout] | ----------------- the item `peg` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/parser/mod.rs:630:37 [INFO] [stdout] | [INFO] [stdout] 630 | assert!(properties.is_ok(), format!("error: {:?}", properties)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: the `assert!()` macro supports formatting, so there's no need for the `format!()` macro here [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 630 - assert!(properties.is_ok(), format!("error: {:?}", properties)); [INFO] [stdout] 630 + assert!(properties.is_ok(), "error: {:?}", properties); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `std` is imported redundantly [INFO] [stdout] --> tests/read.rs:72:9 [INFO] [stdout] | [INFO] [stdout] 72 | use std; [INFO] [stdout] | ^^^ the item `std` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> tests/write.rs:11:26 [INFO] [stdout] | [INFO] [stdout] 11 | assert!(ply.is_ok(), format!("failed: {}", ply.err().unwrap())); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: the `assert!()` macro supports formatting, so there's no need for the `format!()` macro here [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 11 - assert!(ply.is_ok(), format!("failed: {}", ply.err().unwrap())); [INFO] [stdout] 11 + assert!(ply.is_ok(), "failed: {}", ply.err().unwrap()); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> tests/read.rs:10:26 [INFO] [stdout] | [INFO] [stdout] 10 | assert!(ply.is_ok(), format!("failed: {}", ply.err().unwrap())); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: the `assert!()` macro supports formatting, so there's no need for the `format!()` macro here [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 10 - assert!(ply.is_ok(), format!("failed: {}", ply.err().unwrap())); [INFO] [stdout] 10 + assert!(ply.is_ok(), "failed: {}", ply.err().unwrap()); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.85s [INFO] running `Command { std: "docker" "inspect" "a845505047f9c4c641e51a292394e893dbd8bc96217b55943ee5ad22aadbf230", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a845505047f9c4c641e51a292394e893dbd8bc96217b55943ee5ad22aadbf230", kill_on_drop: false }` [INFO] [stdout] a845505047f9c4c641e51a292394e893dbd8bc96217b55943ee5ad22aadbf230