[INFO] fetching crate batch_oper 2.3.1...
[INFO] checking batch_oper-2.3.1 against try#8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f for pr-114559
[INFO] extracting crate batch_oper 2.3.1 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate batch_oper 2.3.1 on toolchain 8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate batch_oper 2.3.1
[INFO] finished tweaking crates.io crate batch_oper 2.3.1
[INFO] tweaked toml for crates.io crate batch_oper 2.3.1 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" "+8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f" "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" "+8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 085e07ffc0fd1210c92f6ac45121db2c3adfaa935f80db50376d65cc161d9b18
[INFO] running `Command { std: "docker" "start" "-a" "085e07ffc0fd1210c92f6ac45121db2c3adfaa935f80db50376d65cc161d9b18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "085e07ffc0fd1210c92f6ac45121db2c3adfaa935f80db50376d65cc161d9b18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "085e07ffc0fd1210c92f6ac45121db2c3adfaa935f80db50376d65cc161d9b18", kill_on_drop: false }`
[INFO] [stdout] 085e07ffc0fd1210c92f6ac45121db2c3adfaa935f80db50376d65cc161d9b18
[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@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5a630f363b321aa4e258043194e07bf03ecff1251222ace9053843413f9bbf2f
[INFO] running `Command { std: "docker" "start" "-a" "5a630f363b321aa4e258043194e07bf03ecff1251222ace9053843413f9bbf2f", kill_on_drop: false }`
[INFO] [stderr]     Checking tuples v1.12.0
[INFO] [stderr]     Checking batch_oper v2.3.1 (/opt/rustwide/workdir)
[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:515:84
[INFO] [stdout]     |
[INFO] [stdout] 515 |           $($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] 515 |         $($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:515:61
[INFO] [stdout]     |
[INFO] [stdout] 515 |           $($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] 515 |         $($l :)? loop { _matchand!( $( $p = $e ; { } )* ; { break $($l)? ($b) ; }) ; break $($l)? $el; }
[INFO] [stdout]     |                                                                          +  +
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]   = note: `#[warn(non_fmt_panics)]` on by default
[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]  --> 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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]   = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.23s
[INFO] running `Command { std: "docker" "inspect" "5a630f363b321aa4e258043194e07bf03ecff1251222ace9053843413f9bbf2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a630f363b321aa4e258043194e07bf03ecff1251222ace9053843413f9bbf2f", kill_on_drop: false }`
[INFO] [stdout] 5a630f363b321aa4e258043194e07bf03ecff1251222ace9053843413f9bbf2f
