[INFO] fetching crate mesdoc 0.2.1...
[INFO] checking mesdoc-0.2.1 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1
[INFO] extracting crate mesdoc 0.2.1 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate mesdoc 0.2.1
[INFO] finished tweaking crates.io crate mesdoc 0.2.1
[INFO] tweaked toml for crates.io crate mesdoc 0.2.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mesdoc 0.2.1 on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "generate-lockfile" "--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]      Locking 12 packages to latest compatible versions
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.16)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] efbd8a0b05f5fd54f490a0d66ba9c923653b59c18471f60f64a1e2f6740aaa96
[INFO] running `Command { std: "docker" "start" "-a" "efbd8a0b05f5fd54f490a0d66ba9c923653b59c18471f60f64a1e2f6740aaa96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "efbd8a0b05f5fd54f490a0d66ba9c923653b59c18471f60f64a1e2f6740aaa96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efbd8a0b05f5fd54f490a0d66ba9c923653b59c18471f60f64a1e2f6740aaa96", kill_on_drop: false }`
[INFO] [stdout] efbd8a0b05f5fd54f490a0d66ba9c923653b59c18471f60f64a1e2f6740aaa96
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1681293f52342ea01b313e4c4a312b94ab242260e1bde3aa7581f57ec8dd9eea
[INFO] running `Command { std: "docker" "start" "-a" "1681293f52342ea01b313e4c4a312b94ab242260e1bde3aa7581f57ec8dd9eea", kill_on_drop: false }`
[INFO] [stderr]     Checking mesdoc v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/selector/rule.rs:15:35
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub type MatchAllHandle = Box<dyn (for<'a, 'r> Fn(&'a Elements<'r>, Option<bool>) -> Elements<'r>)>;
[INFO] [stdout]    |                                   ^                                                              ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 15 - pub type MatchAllHandle = Box<dyn (for<'a, 'r> Fn(&'a Elements<'r>, Option<bool>) -> Elements<'r>)>;
[INFO] [stdout] 15 + pub type MatchAllHandle = Box<dyn for<'a, 'r> Fn(&'a Elements<'r>, Option<bool>) -> Elements<'r>>;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/selector/rule.rs:15:35
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub type MatchAllHandle = Box<dyn (for<'a, 'r> Fn(&'a Elements<'r>, Option<bool>) -> Elements<'r>)>;
[INFO] [stdout]    |                                   ^                                                              ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 15 - pub type MatchAllHandle = Box<dyn (for<'a, 'r> Fn(&'a Elements<'r>, Option<bool>) -> Elements<'r>)>;
[INFO] [stdout] 15 + pub type MatchAllHandle = Box<dyn for<'a, 'r> Fn(&'a Elements<'r>, Option<bool>) -> Elements<'r>>;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]     --> src/interface/elements.rs:1552:4
[INFO] [stdout]      |
[INFO] [stdout] 1552 |         };
[INFO] [stdout]      |          ^ help: remove this semicolon
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]     --> src/interface/elements.rs:1552:4
[INFO] [stdout]      |
[INFO] [stdout] 1552 |         };
[INFO] [stdout]      |          ^ help: remove this semicolon
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/selector/mod.rs:233:10
[INFO] [stdout]     |
[INFO] [stdout] 233 |                     let mut now_first = &mut r[0];
[INFO] [stdout]     |                         ----^^^^^^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/selector/mod.rs:233:10
[INFO] [stdout]     |
[INFO] [stdout] 233 |                     let mut now_first = &mut r[0];
[INFO] [stdout]     |                         ----^^^^^^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/selector/rule.rs:282:28
[INFO] [stdout]     |
[INFO] [stdout] 282 |                     Err(reason) => panic!(reason),
[INFO] [stdout]     |                                           ^^^^^^
[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/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]     |
[INFO] [stdout] 282 |                     Err(reason) => panic!("{}", reason),
[INFO] [stdout]     |                                           +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/selector/rule.rs:282:28
[INFO] [stdout]     |
[INFO] [stdout] 282 |                     Err(reason) => panic!(reason),
[INFO] [stdout]     |                                           ^^^^^^
[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/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]     |
[INFO] [stdout] 282 |                     Err(reason) => panic!("{}", reason),
[INFO] [stdout]     |                                           +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "1681293f52342ea01b313e4c4a312b94ab242260e1bde3aa7581f57ec8dd9eea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1681293f52342ea01b313e4c4a312b94ab242260e1bde3aa7581f57ec8dd9eea", kill_on_drop: false }`
[INFO] [stdout] 1681293f52342ea01b313e4c4a312b94ab242260e1bde3aa7581f57ec8dd9eea