[INFO] fetching crate mdbook-fluent 0.1.0...
[INFO] checking mdbook-fluent-0.1.0 against master#0599f3403366d9c57f0625e6de3af214b5042a90 for pr-87710
[INFO] extracting crate mdbook-fluent 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate mdbook-fluent 0.1.0 on toolchain 0599f3403366d9c57f0625e6de3af214b5042a90
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-6/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" "+0599f3403366d9c57f0625e6de3af214b5042a90" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 64a6286f35376dfdb860539db3ae1c077f0e31a5b29f33ae46b0ee09389e0366
[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" "64a6286f35376dfdb860539db3ae1c077f0e31a5b29f33ae46b0ee09389e0366", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "64a6286f35376dfdb860539db3ae1c077f0e31a5b29f33ae46b0ee09389e0366", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64a6286f35376dfdb860539db3ae1c077f0e31a5b29f33ae46b0ee09389e0366", kill_on_drop: false }`
[INFO] [stdout] 64a6286f35376dfdb860539db3ae1c077f0e31a5b29f33ae46b0ee09389e0366
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+0599f3403366d9c57f0625e6de3af214b5042a90" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fbd86c5e394d5487e3daabfeef025cd863e71dc82f9517be37c1af0ded5365e2
[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" "fbd86c5e394d5487e3daabfeef025cd863e71dc82f9517be37c1af0ded5365e2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling serde v1.0.105
[INFO] [stderr]     Checking smallvec v1.2.0
[INFO] [stderr]     Checking tinystr v0.3.2
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]     Checking fluent-syntax v0.9.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.34
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking filetime v0.2.8
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking regex v1.3.5
[INFO] [stderr]     Checking unic-langid-impl v0.8.0
[INFO] [stderr]     Checking type-map v0.3.0
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking unicode-normalization v0.1.12
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking mime v0.2.6
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[INFO] [stderr]     Checking fluent-langneg v0.12.1
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[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking notify v4.0.15
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]    Compiling string_cache_codegen v0.5.1
[INFO] [stderr]     Checking backtrace v0.3.45
[INFO] [stderr]     Checking error-chain v0.12.2
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking url v2.1.1
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[INFO] [stderr]     Checking ws v0.9.1
[INFO] [stderr]     Checking string_cache v0.8.0
[INFO] [stderr]     Checking serde_json v1.0.48
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking iron v0.6.1
[INFO] [stderr]     Checking mount v0.4.0
[INFO] [stderr]     Checking staticfile v0.5.0
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling serde_derive v1.0.105
[INFO] [stderr]    Compiling html5ever v0.25.1
[INFO] [stderr]    Compiling failure_derive v0.1.7
[INFO] [stderr]    Compiling rental-impl v0.5.5
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking handlebars v3.0.1
[INFO] [stderr]     Checking failure v0.1.7
[INFO] [stderr]     Checking toml-query v0.9.2
[INFO] [stderr]    Compiling markup5ever v0.10.0
[INFO] [stderr]     Checking elasticlunr-rs v2.3.6
[INFO] [stderr]     Checking rental v0.5.5
[INFO] [stderr]     Checking fluent-bundle v0.11.0
[INFO] [stderr]     Checking xml5ever v0.16.1
[INFO] [stderr]     Checking fluent v0.11.0
[INFO] [stderr]     Checking markup5ever_rcdom v0.1.0
[INFO] [stderr]     Checking ammonia v3.1.0
[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(non_fmt_panics)]` on by default
[INFO] [stdout]     = note: this message is not used as a format string, but will be in Rust 2021
[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(non_fmt_panics)]` on by default
[INFO] [stdout]     = note: this message is not used as a format string, but will be in Rust 2021
[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 1m 03s
[INFO] running `Command { std: "docker" "inspect" "fbd86c5e394d5487e3daabfeef025cd863e71dc82f9517be37c1af0ded5365e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbd86c5e394d5487e3daabfeef025cd863e71dc82f9517be37c1af0ded5365e2", kill_on_drop: false }`
[INFO] [stdout] fbd86c5e394d5487e3daabfeef025cd863e71dc82f9517be37c1af0ded5365e2