[INFO] fetching crate cmdr_macro 0.3.12...
[INFO] checking cmdr_macro-0.3.12 against master#4eb62535fc12dd1a63fd43a4173e224e79313c4d for pr-158816
[INFO] extracting crate cmdr_macro 0.3.12 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate cmdr_macro 0.3.12
[INFO] finished tweaking crates.io crate cmdr_macro 0.3.12
[INFO] tweaked toml for crates.io crate cmdr_macro 0.3.12 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate cmdr_macro 0.3.12 on toolchain 4eb62535fc12dd1a63fd43a4173e224e79313c4d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "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" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 6 packages to latest compatible versions
[INFO] [stderr]       Adding itertools v0.9.0 (available: v0.15.0)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.118)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 36af6a21cf48cc0712b888a4ebca60e696251290c247e8ddb785c7c4eae7bd7c
[INFO] running `Command { std: "docker" "start" "36af6a21cf48cc0712b888a4ebca60e696251290c247e8ddb785c7c4eae7bd7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "36af6a21cf48cc0712b888a4ebca60e696251290c247e8ddb785c7c4eae7bd7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "36af6a21cf48cc0712b888a4ebca60e696251290c247e8ddb785c7c4eae7bd7c" "/opt/rustwide/cargo-home/bin/cargo" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "36af6a21cf48cc0712b888a4ebca60e696251290c247e8ddb785c7c4eae7bd7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "36af6a21cf48cc0712b888a4ebca60e696251290c247e8ddb785c7c4eae7bd7c" "/opt/rustwide/cargo-home/bin/cargo" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking either v1.16.0
[INFO] [stderr]     Checking syn v1.0.109
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking cmdr_macro v0.3.12 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/commands.rs:232:16
[INFO] [stdout]     |
[INFO] [stdout] 232 |         if let syn::Lit::Str(string) = name_val.lit {
[INFO] [stdout]     |                ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:17:5
[INFO] [stdout]     |
[INFO] [stdout]  17 |     unused_qualifications
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 232 -         if let syn::Lit::Str(string) = name_val.lit {
[INFO] [stdout] 232 +         if let Lit::Str(string) = name_val.lit {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/commands.rs:232:16
[INFO] [stdout]     |
[INFO] [stdout] 232 |         if let syn::Lit::Str(string) = name_val.lit {
[INFO] [stdout]     |                ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:17:5
[INFO] [stdout]     |
[INFO] [stdout]  17 |     unused_qualifications
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 232 -         if let syn::Lit::Str(string) = name_val.lit {
[INFO] [stdout] 232 +         if let Lit::Str(string) = name_val.lit {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/commands.rs:106:24
[INFO] [stdout]     |
[INFO] [stdout] 106 |                   panic!(format!(
[INFO] [stdout]     |  ________________________^
[INFO] [stdout] 107 | |                     "Wrong return type for command {}, should be CommandReult",
[INFO] [stdout] 108 | |                     method_ident
[INFO] [stdout] 109 | |                 ));
[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: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here
[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)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 106 ~                 panic!(
[INFO] [stdout] 107 |                     "Wrong return type for command {}, should be CommandReult",
[INFO] [stdout] 108 |                     method_ident
[INFO] [stdout] 109 ~                 );
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/commands.rs:126:21
[INFO] [stdout]     |
[INFO] [stdout] 126 |           _ => panic!(format!(
[INFO] [stdout]     |  _____________________^
[INFO] [stdout] 127 | |             "Invalid signature for command {}, expected '&mut self, args &[String]'",
[INFO] [stdout] 128 | |             method_ident
[INFO] [stdout] 129 | |         )),
[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: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 126 ~         _ => panic!(
[INFO] [stdout] 127 |             "Invalid signature for command {}, expected '&mut self, args &[String]'",
[INFO] [stdout] 128 |             method_ident
[INFO] [stdout] 129 ~         ),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/commands.rs:106:24
[INFO] [stdout]     |
[INFO] [stdout] 106 |                   panic!(format!(
[INFO] [stdout]     |  ________________________^
[INFO] [stdout] 107 | |                     "Wrong return type for command {}, should be CommandReult",
[INFO] [stdout] 108 | |                     method_ident
[INFO] [stdout] 109 | |                 ));
[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: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here
[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)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 106 ~                 panic!(
[INFO] [stdout] 107 |                     "Wrong return type for command {}, should be CommandReult",
[INFO] [stdout] 108 |                     method_ident
[INFO] [stdout] 109 ~                 );
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/commands.rs:126:21
[INFO] [stdout]     |
[INFO] [stdout] 126 |           _ => panic!(format!(
[INFO] [stdout]     |  _____________________^
[INFO] [stdout] 127 | |             "Invalid signature for command {}, expected '&mut self, args &[String]'",
[INFO] [stdout] 128 | |             method_ident
[INFO] [stdout] 129 | |         )),
[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: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 126 ~         _ => panic!(
[INFO] [stdout] 127 |             "Invalid signature for command {}, expected '&mut self, args &[String]'",
[INFO] [stdout] 128 |             method_ident
[INFO] [stdout] 129 ~         ),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.31s
[INFO] running `Command { std: "docker" "inspect" "36af6a21cf48cc0712b888a4ebca60e696251290c247e8ddb785c7c4eae7bd7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36af6a21cf48cc0712b888a4ebca60e696251290c247e8ddb785c7c4eae7bd7c", kill_on_drop: false }`
[INFO] [stdout] 36af6a21cf48cc0712b888a4ebca60e696251290c247e8ddb785c7c4eae7bd7c
