[INFO] fetching crate mdbook-fluent 0.1.0...
[INFO] checking mdbook-fluent-0.1.0 against try#575650af7d7ca88602df28e39d27bf3e456c306e for pr-80579
[INFO] extracting crate mdbook-fluent 0.1.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate mdbook-fluent 0.1.0 on toolchain 575650af7d7ca88602df28e39d27bf3e456c306e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mdbook-fluent 0.1.0
[INFO] finished tweaking crates.io crate mdbook-fluent 0.1.0
[INFO] tweaked toml for crates.io crate mdbook-fluent 0.1.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate mdbook-fluent 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a2e47b0b6349cf86090beaa88ce72b04e7718db05e569c1580736291d6ac727d
[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" "a2e47b0b6349cf86090beaa88ce72b04e7718db05e569c1580736291d6ac727d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a2e47b0b6349cf86090beaa88ce72b04e7718db05e569c1580736291d6ac727d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2e47b0b6349cf86090beaa88ce72b04e7718db05e569c1580736291d6ac727d", kill_on_drop: false }`
[INFO] [stdout] a2e47b0b6349cf86090beaa88ce72b04e7718db05e569c1580736291d6ac727d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] abdffd99c0bb233fffb9880b97abbfddc1dab47368c667b91f5626ab8940029b
[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" "abdffd99c0bb233fffb9880b97abbfddc1dab47368c667b91f5626ab8940029b", kill_on_drop: false }`
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[INFO] [stderr]     Checking mdbook v0.3.6
[INFO] [stderr]     Checking mdbook-fluent v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message contains braces
[INFO] [stdout]    --> src/lib.rs:159:45
[INFO] [stdout]     |
[INFO] [stdout] 159 |                                        panic!("No closing #fluent \"}}\".");
[INFO] [stdout]     |                                                                     ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(panic_fmt)]` on by default
[INFO] [stdout]     = note: this message is not used as a format string, but will be in a future Rust edition
[INFO] [stdout] help: add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 159 |                                        panic!("{}", "No closing #fluent \"}}\".");
[INFO] [stdout]     |                                               ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains braces
[INFO] [stdout]    --> src/lib.rs:159:45
[INFO] [stdout]     |
[INFO] [stdout] 159 |                                        panic!("No closing #fluent \"}}\".");
[INFO] [stdout]     |                                                                     ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(panic_fmt)]` on by default
[INFO] [stdout]     = note: this message is not used as a format string, but will be in a future Rust edition
[INFO] [stdout] help: add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 159 |                                        panic!("{}", "No closing #fluent \"}}\".");
[INFO] [stdout]     |                                               ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 55s
[INFO] running `Command { std: "docker" "inspect" "abdffd99c0bb233fffb9880b97abbfddc1dab47368c667b91f5626ab8940029b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abdffd99c0bb233fffb9880b97abbfddc1dab47368c667b91f5626ab8940029b", kill_on_drop: false }`
[INFO] [stdout] abdffd99c0bb233fffb9880b97abbfddc1dab47368c667b91f5626ab8940029b