[INFO] cloning repository https://github.com/quintenpalmer/htmldsl
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/quintenpalmer/htmldsl" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fquintenpalmer%2Fhtmldsl", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fquintenpalmer%2Fhtmldsl'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d777710d49675adc90fa5cfdc2e4b4b837e7e1e8
[INFO] checking quintenpalmer/htmldsl against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fquintenpalmer%2Fhtmldsl" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/quintenpalmer/htmldsl on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/quintenpalmer/htmldsl
[INFO] finished tweaking git repo https://github.com/quintenpalmer/htmldsl
[INFO] tweaked toml for git repo https://github.com/quintenpalmer/htmldsl written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/quintenpalmer/htmldsl already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 19cf4e8bda75c9e99db10b4166e0c0a5810eb15f3f68c60ad9861367254e3320
[INFO] running `Command { std: "docker" "start" "-a" "19cf4e8bda75c9e99db10b4166e0c0a5810eb15f3f68c60ad9861367254e3320", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "19cf4e8bda75c9e99db10b4166e0c0a5810eb15f3f68c60ad9861367254e3320", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19cf4e8bda75c9e99db10b4166e0c0a5810eb15f3f68c60ad9861367254e3320", kill_on_drop: false }`
[INFO] [stdout] 19cf4e8bda75c9e99db10b4166e0c0a5810eb15f3f68c60ad9861367254e3320
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f03de2eec0d0ec52131a17aa85e0f141bf21bb85254de4efb307726e147b9c7
[INFO] running `Command { std: "docker" "start" "-a" "1f03de2eec0d0ec52131a17aa85e0f141bf21bb85254de4efb307726e147b9c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]     Checking unicode-xid v0.2.0
[INFO] [stderr]     Checking htmldsl_internal v0.1.0 (/opt/rustwide/workdir/htmldsl_internal)
[INFO] [stderr]     Checking quote v1.0.3
[INFO] [stderr]     Checking htmldsl_internal_derive v0.1.0 (/opt/rustwide/workdir/htmldsl_internal_derive)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> htmldsl_internal_derive/src/name.rs:21:29
[INFO] [stdout]    |
[INFO] [stdout] 21 |                   _ => panic!(format!(
[INFO] [stdout]    |  _____________________________^
[INFO] [stdout] 22 | |                     "incorrect usage of custom attribute, use: {}",
[INFO] [stdout] 23 | |                     tag_renderable_name_usage
[INFO] [stdout] 24 | |                 )),
[INFO] [stdout]    | |_________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[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: 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] 21 |                 _ => panic!(
[INFO] [stdout] 22 |                     "incorrect usage of custom attribute, use: {}",
[INFO] [stdout] 23 |                     tag_renderable_name_usage
[INFO] [stdout] 24 |                 ),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> htmldsl_internal_derive/src/name.rs:31:24
[INFO] [stdout]    |
[INFO] [stdout] 31 |           None => panic!(format!(
[INFO] [stdout]    |  ________________________^
[INFO] [stdout] 32 | |             "must provide the renderable name: {}",
[INFO] [stdout] 33 | |             tag_renderable_name_usage
[INFO] [stdout] 34 | |         )),
[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/nightly/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] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 31 |         None => panic!(
[INFO] [stdout] 32 |             "must provide the renderable name: {}",
[INFO] [stdout] 33 |             tag_renderable_name_usage
[INFO] [stdout] 34 |         ),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]  --> htmldsl_internal_derive/src/util.rs:7:16
[INFO] [stdout]   |
[INFO] [stdout] 7 |           panic!(format!(
[INFO] [stdout]   |  ________________^
[INFO] [stdout] 8 | |             "expected tag_renderable_name attribute to be a string: `... = \"...\"`",
[INFO] [stdout] 9 | |         ));
[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/nightly/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] help: remove the `format!(..)` macro call
[INFO] [stdout]   |
[INFO] [stdout] 7 |         panic!(
[INFO] [stdout] 8 |             "expected tag_renderable_name attribute to be a string: `... = \"...\"`",
[INFO] [stdout] 9 |         );
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> htmldsl_internal_derive/src/name.rs:21:29
[INFO] [stdout]    |
[INFO] [stdout] 21 |                   _ => panic!(format!(
[INFO] [stdout]    |  _____________________________^
[INFO] [stdout] 22 | |                     "incorrect usage of custom attribute, use: {}",
[INFO] [stdout] 23 | |                     tag_renderable_name_usage
[INFO] [stdout] 24 | |                 )),
[INFO] [stdout]    | |_________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[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: 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] 21 |                 _ => panic!(
[INFO] [stdout] 22 |                     "incorrect usage of custom attribute, use: {}",
[INFO] [stdout] 23 |                     tag_renderable_name_usage
[INFO] [stdout] 24 |                 ),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> htmldsl_internal_derive/src/name.rs:31:24
[INFO] [stdout]    |
[INFO] [stdout] 31 |           None => panic!(format!(
[INFO] [stdout]    |  ________________________^
[INFO] [stdout] 32 | |             "must provide the renderable name: {}",
[INFO] [stdout] 33 | |             tag_renderable_name_usage
[INFO] [stdout] 34 | |         )),
[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/nightly/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] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 31 |         None => panic!(
[INFO] [stdout] 32 |             "must provide the renderable name: {}",
[INFO] [stdout] 33 |             tag_renderable_name_usage
[INFO] [stdout] 34 |         ),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]  --> htmldsl_internal_derive/src/util.rs:7:16
[INFO] [stdout]   |
[INFO] [stdout] 7 |           panic!(format!(
[INFO] [stdout]   |  ________________^
[INFO] [stdout] 8 | |             "expected tag_renderable_name attribute to be a string: `... = \"...\"`",
[INFO] [stdout] 9 | |         ));
[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/nightly/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] help: remove the `format!(..)` macro call
[INFO] [stdout]   |
[INFO] [stdout] 7 |         panic!(
[INFO] [stdout] 8 |             "expected tag_renderable_name attribute to be a string: `... = \"...\"`",
[INFO] [stdout] 9 |         );
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> htmldsl_internal_derive/src/name.rs:21:29
[INFO] [stdout]    |
[INFO] [stdout] 21 |                   _ => panic!(format!(
[INFO] [stdout]    |  _____________________________^
[INFO] [stdout] 22 | |                     "incorrect usage of custom attribute, use: {}",
[INFO] [stdout] 23 | |                     tag_renderable_name_usage
[INFO] [stdout] 24 | |                 )),
[INFO] [stdout]    | |_________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[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: 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] 21 |                 _ => panic!(
[INFO] [stdout] 22 |                     "incorrect usage of custom attribute, use: {}",
[INFO] [stdout] 23 |                     tag_renderable_name_usage
[INFO] [stdout] 24 |                 ),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> htmldsl_internal_derive/src/name.rs:31:24
[INFO] [stdout]    |
[INFO] [stdout] 31 |           None => panic!(format!(
[INFO] [stdout]    |  ________________________^
[INFO] [stdout] 32 | |             "must provide the renderable name: {}",
[INFO] [stdout] 33 | |             tag_renderable_name_usage
[INFO] [stdout] 34 | |         )),
[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/nightly/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] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 31 |         None => panic!(
[INFO] [stdout] 32 |             "must provide the renderable name: {}",
[INFO] [stdout] 33 |             tag_renderable_name_usage
[INFO] [stdout] 34 |         ),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]  --> htmldsl_internal_derive/src/util.rs:7:16
[INFO] [stdout]   |
[INFO] [stdout] 7 |           panic!(format!(
[INFO] [stdout]   |  ________________^
[INFO] [stdout] 8 | |             "expected tag_renderable_name attribute to be a string: `... = \"...\"`",
[INFO] [stdout] 9 | |         ));
[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/nightly/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] help: remove the `format!(..)` macro call
[INFO] [stdout]   |
[INFO] [stdout] 7 |         panic!(
[INFO] [stdout] 8 |             "expected tag_renderable_name attribute to be a string: `... = \"...\"`",
[INFO] [stdout] 9 |         );
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking htmldsl v0.1.0 (/opt/rustwide/workdir/htmldsl)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.26s
[INFO] running `Command { std: "docker" "inspect" "1f03de2eec0d0ec52131a17aa85e0f141bf21bb85254de4efb307726e147b9c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f03de2eec0d0ec52131a17aa85e0f141bf21bb85254de4efb307726e147b9c7", kill_on_drop: false }`
[INFO] [stdout] 1f03de2eec0d0ec52131a17aa85e0f141bf21bb85254de4efb307726e147b9c7