[INFO] fetching crate simi-macros 0.2.1...
[INFO] checking simi-macros-0.2.1 against master#3aedcf06b73fc36feeebca3d579e1d2a6c40acc5 for pr-65819
[INFO] extracting crate simi-macros 0.2.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate simi-macros 0.2.1 on toolchain 3aedcf06b73fc36feeebca3d579e1d2a6c40acc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate simi-macros 0.2.1
[INFO] finished tweaking crates.io crate simi-macros 0.2.1
[INFO] tweaked toml for crates.io crate simi-macros 0.2.1 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9b82a6428c73fa9dfb7a6c9c6ad52dc8dd0178177b7a7ef269d8952d176391e5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9b82a6428c73fa9dfb7a6c9c6ad52dc8dd0178177b7a7ef269d8952d176391e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b82a6428c73fa9dfb7a6c9c6ad52dc8dd0178177b7a7ef269d8952d176391e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b82a6428c73fa9dfb7a6c9c6ad52dc8dd0178177b7a7ef269d8952d176391e5", kill_on_drop: false }`
[INFO] [stdout] 9b82a6428c73fa9dfb7a6c9c6ad52dc8dd0178177b7a7ef269d8952d176391e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7dd7f04c96ced74077d9a22b1d84031e56dd3b60c230dcb59e6ecf7e84260534
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7dd7f04c96ced74077d9a22b1d84031e56dd3b60c230dcb59e6ecf7e84260534", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking regex-syntax v0.6.23
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking quote v0.6.13
[INFO] [stderr]     Checking regex v1.4.5
[INFO] [stderr]     Checking simi-macros v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/render/generate.rs:476:24
[INFO] [stdout]     |
[INFO] [stdout] 476 |                   panic!(format!(
[INFO] [stdout]     |  ________________________^
[INFO] [stdout] 477 | |                     "Calling generate_box_handler on a ElementEventHandler::Placeholder: {}",
[INFO] [stdout] 478 | |                     handler
[INFO] [stdout] 479 | |                 ));
[INFO] [stdout]     | |_________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 476 |                 panic!(
[INFO] [stdout] 477 |                     "Calling generate_box_handler on a ElementEventHandler::Placeholder: {}",
[INFO] [stdout] 478 |                     handler
[INFO] [stdout] 479 |                 );
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/render/helper.rs:79:21
[INFO] [stdout]    |
[INFO] [stdout] 79 |           _ => panic!(format!(
[INFO] [stdout]    |  _____________________^
[INFO] [stdout] 80 | |             "JS argument name for {} is not supported yet. Please file a bug!",
[INFO] [stdout] 81 | |             event_name
[INFO] [stdout] 82 | |         )),
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout]    = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 79 |         _ => panic!(
[INFO] [stdout] 80 |             "JS argument name for {} is not supported yet. Please file a bug!",
[INFO] [stdout] 81 |             event_name
[INFO] [stdout] 82 |         ),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/render/error_on_stable.rs:6:12
[INFO] [stdout]    |
[INFO] [stdout] 6  |       panic!(format!(
[INFO] [stdout]    |  ____________^
[INFO] [stdout] 7  | |         "{}
[INFO] [stdout] 8  | | =====
[INFO] [stdout] 9  | | '{}' appears on line {}
[INFO] [stdout] ...  |
[INFO] [stdout] 17 | |         crate::BETTER_ERROR_MESSAGE
[INFO] [stdout] 18 | |     ))
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout]    = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 6  |     panic!(
[INFO] [stdout] 7  |         "{}
[INFO] [stdout] 8  | =====
[INFO] [stdout] 9  | '{}' appears on line {}
[INFO] [stdout] 10 | =====
[INFO] [stdout] 11 | {}
[INFO] [stdout]  ...
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/render/mod.rs:364:24
[INFO] [stdout]     |
[INFO] [stdout] 364 |                   panic!(format!(
[INFO] [stdout]     |  ________________________^
[INFO] [stdout] 365 | |                     "Attribute `{}` of element `{}` does not support optional value",
[INFO] [stdout] 366 | |                     self.name, tag
[INFO] [stdout] 367 | |                 ));
[INFO] [stdout]     | |_________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 364 |                 panic!(
[INFO] [stdout] 365 |                     "Attribute `{}` of element `{}` does not support optional value",
[INFO] [stdout] 366 |                     self.name, tag
[INFO] [stdout] 367 |                 );
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/render/generate.rs:476:24
[INFO] [stdout]     |
[INFO] [stdout] 476 |                   panic!(format!(
[INFO] [stdout]     |  ________________________^
[INFO] [stdout] 477 | |                     "Calling generate_box_handler on a ElementEventHandler::Placeholder: {}",
[INFO] [stdout] 478 | |                     handler
[INFO] [stdout] 479 | |                 ));
[INFO] [stdout]     | |_________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 476 |                 panic!(
[INFO] [stdout] 477 |                     "Calling generate_box_handler on a ElementEventHandler::Placeholder: {}",
[INFO] [stdout] 478 |                     handler
[INFO] [stdout] 479 |                 );
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/render/helper.rs:79:21
[INFO] [stdout]    |
[INFO] [stdout] 79 |           _ => panic!(format!(
[INFO] [stdout]    |  _____________________^
[INFO] [stdout] 80 | |             "JS argument name for {} is not supported yet. Please file a bug!",
[INFO] [stdout] 81 | |             event_name
[INFO] [stdout] 82 | |         )),
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout]    = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 79 |         _ => panic!(
[INFO] [stdout] 80 |             "JS argument name for {} is not supported yet. Please file a bug!",
[INFO] [stdout] 81 |             event_name
[INFO] [stdout] 82 |         ),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/render/error_on_stable.rs:6:12
[INFO] [stdout]    |
[INFO] [stdout] 6  |       panic!(format!(
[INFO] [stdout]    |  ____________^
[INFO] [stdout] 7  | |         "{}
[INFO] [stdout] 8  | | =====
[INFO] [stdout] 9  | | '{}' appears on line {}
[INFO] [stdout] ...  |
[INFO] [stdout] 17 | |         crate::BETTER_ERROR_MESSAGE
[INFO] [stdout] 18 | |     ))
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout]    = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 6  |     panic!(
[INFO] [stdout] 7  |         "{}
[INFO] [stdout] 8  | =====
[INFO] [stdout] 9  | '{}' appears on line {}
[INFO] [stdout] 10 | =====
[INFO] [stdout] 11 | {}
[INFO] [stdout]  ...
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/render/mod.rs:364:24
[INFO] [stdout]     |
[INFO] [stdout] 364 |                   panic!(format!(
[INFO] [stdout]     |  ________________________^
[INFO] [stdout] 365 | |                     "Attribute `{}` of element `{}` does not support optional value",
[INFO] [stdout] 366 | |                     self.name, tag
[INFO] [stdout] 367 | |                 ));
[INFO] [stdout]     | |_________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 364 |                 panic!(
[INFO] [stdout] 365 |                     "Attribute `{}` of element `{}` does not support optional value",
[INFO] [stdout] 366 |                     self.name, tag
[INFO] [stdout] 367 |                 );
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.28s
[INFO] running `Command { std: "docker" "inspect" "7dd7f04c96ced74077d9a22b1d84031e56dd3b60c230dcb59e6ecf7e84260534", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7dd7f04c96ced74077d9a22b1d84031e56dd3b60c230dcb59e6ecf7e84260534", kill_on_drop: false }`
[INFO] [stdout] 7dd7f04c96ced74077d9a22b1d84031e56dd3b60c230dcb59e6ecf7e84260534