[INFO] fetching crate libsugar 2.4.1... [INFO] checking libsugar-2.4.1 against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1 [INFO] extracting crate libsugar 2.4.1 into /workspace/builds/worker-2-tc1/source [INFO] validating manifest of crates.io crate libsugar 2.4.1 on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate libsugar 2.4.1 [INFO] finished tweaking crates.io crate libsugar 2.4.1 [INFO] tweaked toml for crates.io crate libsugar 2.4.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 2 packages to latest compatible versions [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded tuples v1.15.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 67eab6f5d4dfb369980b431c3a376fe80cd4b96d73213ecca298e206f73f5043 [INFO] running `Command { std: "docker" "start" "-a" "67eab6f5d4dfb369980b431c3a376fe80cd4b96d73213ecca298e206f73f5043", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "67eab6f5d4dfb369980b431c3a376fe80cd4b96d73213ecca298e206f73f5043", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "67eab6f5d4dfb369980b431c3a376fe80cd4b96d73213ecca298e206f73f5043", kill_on_drop: false }` [INFO] [stdout] 67eab6f5d4dfb369980b431c3a376fe80cd4b96d73213ecca298e206f73f5043 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f0255d8d5f0e3215ee96cca61e0a0323467dd4937c2c775151865a79ead6b7fe [INFO] running `Command { std: "docker" "start" "-a" "f0255d8d5f0e3215ee96cca61e0a0323467dd4937c2c775151865a79ead6b7fe", kill_on_drop: false }` [INFO] [stderr] Checking tuples v1.15.0 [INFO] [stderr] Checking libsugar v2.4.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `macro_lit::*` [INFO] [stdout] --> src/lib.rs:321:9 [INFO] [stdout] | [INFO] [stdout] 321 | pub use macro_lit::*; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this labeled break expression is easy to confuse with an unlabeled break with a labeled value expression [INFO] [stdout] --> src/lib.rs:268:84 [INFO] [stdout] | [INFO] [stdout] 268 | $($l :)? loop { _matchand!( $( $p = $e ; { } )* ; { break $($l)? $b ; }) ; break $($l)? $el; } [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/tests.rs:32:18 [INFO] [stdout] | [INFO] [stdout] 32 | let _: i32 = bop!('a: match && Some(va) = a, Some(vb) = b => { [INFO] [stdout] | __________________- [INFO] [stdout] 33 | | #[cfg(feature = "std")] { [INFO] [stdout] 34 | | println!("some {} {}", va, vb); [INFO] [stdout] 35 | | } [INFO] [stdout] ... | [INFO] [stdout] 38 | | 2 [INFO] [stdout] 39 | | }); [INFO] [stdout] | |______- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(break_with_label_and_loop)]` on by default [INFO] [stdout] = note: this warning originates in the macro `bop` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] help: wrap this expression in parentheses [INFO] [stdout] | [INFO] [stdout] 268 | $($l :)? loop { _matchand!( $( $p = $e ; { } )* ; { break $($l)? $b ; }) ; break $($l)? ($el); } [INFO] [stdout] | + + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this labeled break expression is easy to confuse with an unlabeled break with a labeled value expression [INFO] [stdout] --> src/lib.rs:268:61 [INFO] [stdout] | [INFO] [stdout] 268 | $($l :)? loop { _matchand!( $( $p = $e ; { } )* ; { break $($l)? $b ; }) ; break $($l)? $el; } [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/tests.rs:32:18 [INFO] [stdout] | [INFO] [stdout] 32 | let _: i32 = bop!('a: match && Some(va) = a, Some(vb) = b => { [INFO] [stdout] | __________________- [INFO] [stdout] 33 | | #[cfg(feature = "std")] { [INFO] [stdout] 34 | | println!("some {} {}", va, vb); [INFO] [stdout] 35 | | } [INFO] [stdout] ... | [INFO] [stdout] 38 | | 2 [INFO] [stdout] 39 | | }); [INFO] [stdout] | |______- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `bop` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] help: wrap this expression in parentheses [INFO] [stdout] | [INFO] [stdout] 268 | $($l :)? loop { _matchand!( $( $p = $e ; { } )* ; { break $($l)? ($b) ; }) ; break $($l)? $el; } [INFO] [stdout] | + + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `macro_lit::*` [INFO] [stdout] --> src/lib.rs:321:9 [INFO] [stdout] | [INFO] [stdout] 321 | pub use macro_lit::*; [INFO] [stdout] | ^^^^^^^^^^^^ [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/chain_panic.rs:8:16 [INFO] [stdout] | [INFO] [stdout] 8 | panic!(self) [INFO] [stdout] | ------ ^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: use std::panic::panic_any instead: `std::panic::panic_any` [INFO] [stdout] | [INFO] [stdout] = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/chain_panic.rs:8:16 [INFO] [stdout] | [INFO] [stdout] 8 | panic!(self) [INFO] [stdout] | ------ ^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: use std::panic::panic_any instead: `std::panic::panic_any` [INFO] [stdout] | [INFO] [stdout] = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.03s [INFO] running `Command { std: "docker" "inspect" "f0255d8d5f0e3215ee96cca61e0a0323467dd4937c2c775151865a79ead6b7fe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f0255d8d5f0e3215ee96cca61e0a0323467dd4937c2c775151865a79ead6b7fe", kill_on_drop: false }` [INFO] [stdout] f0255d8d5f0e3215ee96cca61e0a0323467dd4937c2c775151865a79ead6b7fe [INFO] checking libsugar-2.4.1 against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1 [INFO] extracting crate libsugar 2.4.1 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate libsugar 2.4.1 on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate libsugar 2.4.1 [INFO] finished tweaking crates.io crate libsugar 2.4.1 [INFO] tweaked toml for crates.io crate libsugar 2.4.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 2 packages to latest compatible versions [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6c9176437ef384d1a116d200ce66d787b10dc2f22447154601c925199d556512 [INFO] running `Command { std: "docker" "start" "-a" "6c9176437ef384d1a116d200ce66d787b10dc2f22447154601c925199d556512", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6c9176437ef384d1a116d200ce66d787b10dc2f22447154601c925199d556512", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6c9176437ef384d1a116d200ce66d787b10dc2f22447154601c925199d556512", kill_on_drop: false }` [INFO] [stdout] 6c9176437ef384d1a116d200ce66d787b10dc2f22447154601c925199d556512 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 30ae69b7f4ad91c16e9506620cb8d2619bb43249f408fd8e9cb8a60d981774a4 [INFO] running `Command { std: "docker" "start" "-a" "30ae69b7f4ad91c16e9506620cb8d2619bb43249f408fd8e9cb8a60d981774a4", kill_on_drop: false }` [INFO] [stderr] Checking tuples v1.15.0 [INFO] [stderr] Checking libsugar v2.4.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `macro_lit::*` [INFO] [stdout] --> src/lib.rs:321:9 [INFO] [stdout] | [INFO] [stdout] 321 | pub use macro_lit::*; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this labeled break expression is easy to confuse with an unlabeled break with a labeled value expression [INFO] [stdout] --> src/lib.rs:268:84 [INFO] [stdout] | [INFO] [stdout] 268 | $($l :)? loop { _matchand!( $( $p = $e ; { } )* ; { break $($l)? $b ; }) ; break $($l)? $el; } [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/tests.rs:32:18 [INFO] [stdout] | [INFO] [stdout] 32 | let _: i32 = bop!('a: match && Some(va) = a, Some(vb) = b => { [INFO] [stdout] | __________________- [INFO] [stdout] 33 | | #[cfg(feature = "std")] { [INFO] [stdout] 34 | | println!("some {} {}", va, vb); [INFO] [stdout] 35 | | } [INFO] [stdout] ... | [INFO] [stdout] 38 | | 2 [INFO] [stdout] 39 | | }); [INFO] [stdout] | |______- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(break_with_label_and_loop)]` on by default [INFO] [stdout] = note: this warning originates in the macro `bop` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] help: wrap this expression in parentheses [INFO] [stdout] | [INFO] [stdout] 268 | $($l :)? loop { _matchand!( $( $p = $e ; { } )* ; { break $($l)? $b ; }) ; break $($l)? ($el); } [INFO] [stdout] | + + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this labeled break expression is easy to confuse with an unlabeled break with a labeled value expression [INFO] [stdout] --> src/lib.rs:268:61 [INFO] [stdout] | [INFO] [stdout] 268 | $($l :)? loop { _matchand!( $( $p = $e ; { } )* ; { break $($l)? $b ; }) ; break $($l)? $el; } [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/tests.rs:32:18 [INFO] [stdout] | [INFO] [stdout] 32 | let _: i32 = bop!('a: match && Some(va) = a, Some(vb) = b => { [INFO] [stdout] | __________________- [INFO] [stdout] 33 | | #[cfg(feature = "std")] { [INFO] [stdout] 34 | | println!("some {} {}", va, vb); [INFO] [stdout] 35 | | } [INFO] [stdout] ... | [INFO] [stdout] 38 | | 2 [INFO] [stdout] 39 | | }); [INFO] [stdout] | |______- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `bop` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] help: wrap this expression in parentheses [INFO] [stdout] | [INFO] [stdout] 268 | $($l :)? loop { _matchand!( $( $p = $e ; { } )* ; { break $($l)? ($b) ; }) ; break $($l)? $el; } [INFO] [stdout] | + + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `macro_lit::*` [INFO] [stdout] --> src/lib.rs:321:9 [INFO] [stdout] | [INFO] [stdout] 321 | pub use macro_lit::*; [INFO] [stdout] | ^^^^^^^^^^^^ [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/chain_panic.rs:8:16 [INFO] [stdout] | [INFO] [stdout] 8 | panic!(self) [INFO] [stdout] | ------ ^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: use std::panic::panic_any instead: `std::panic::panic_any` [INFO] [stdout] | [INFO] [stdout] = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/chain_panic.rs:8:16 [INFO] [stdout] | [INFO] [stdout] 8 | panic!(self) [INFO] [stdout] | ------ ^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: use std::panic::panic_any instead: `std::panic::panic_any` [INFO] [stdout] | [INFO] [stdout] = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.52s [INFO] running `Command { std: "docker" "inspect" "30ae69b7f4ad91c16e9506620cb8d2619bb43249f408fd8e9cb8a60d981774a4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "30ae69b7f4ad91c16e9506620cb8d2619bb43249f408fd8e9cb8a60d981774a4", kill_on_drop: false }` [INFO] [stdout] 30ae69b7f4ad91c16e9506620cb8d2619bb43249f408fd8e9cb8a60d981774a4