[INFO] crate mdbook-tag 0.0.1 is already in cache
[INFO] checking mdbook-tag-0.0.1 against try#1a608893c03d7722effeb0058e82770bd36b4b3c for pr-66504-1
[INFO] extracting crate mdbook-tag 0.0.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate mdbook-tag 0.0.1 on toolchain 1a608893c03d7722effeb0058e82770bd36b4b3c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate mdbook-tag 0.0.1
[INFO] finished tweaking crates.io crate mdbook-tag 0.0.1
[INFO] tweaked toml for crates.io crate mdbook-tag 0.0.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate mdbook-tag 0.0.1 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 94c95ff8b52dedc5a976a81f869f89bb628bd2e45f4510876106b97467c8e4ee
[INFO] running `"docker" "start" "-a" "94c95ff8b52dedc5a976a81f869f89bb628bd2e45f4510876106b97467c8e4ee"`
[INFO] [stderr]    Compiling syn v1.0.7
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling pulldown-cmark v0.5.3
[INFO] [stderr]    Compiling unicode-segmentation v1.5.0
[INFO] [stderr]     Checking sequence_trie v0.3.6
[INFO] [stderr]     Checking is-match v0.1.0
[INFO] [stderr]     Checking gitignore v1.0.6
[INFO] [stderr]    Compiling serde v1.0.102
[INFO] [stderr]     Checking inotify-sys v0.1.3
[INFO] [stderr]     Checking filetime v0.2.7
[INFO] [stderr]     Checking hashbrown v0.5.0
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking unicode-normalization v0.1.8
[INFO] [stderr]     Checking inotify v0.6.1
[INFO] [stderr]     Checking mio-extras v2.0.5
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking notify v4.0.14
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling string_cache_codegen v0.4.4
[INFO] [stderr]     Checking sha-1 v0.8.1
[INFO] [stderr]    Compiling mime_guess v1.8.7
[INFO] [stderr]     Checking pulldown-cmark-to-cmark v1.2.3
[INFO] [stderr]    Compiling string_cache v0.7.5
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking url v2.1.0
[INFO] [stderr]     Checking hyper v0.10.16
[INFO] [stderr]     Checking ws v0.9.1
[INFO] [stderr]     Checking iron v0.6.1
[INFO] [stderr]     Checking mount v0.4.0
[INFO] [stderr]     Checking staticfile v0.5.0
[INFO] [stderr]    Compiling darling_core v0.8.6
[INFO] [stderr]    Compiling serde_json v1.0.41
[INFO] [stderr]    Compiling synstructure v0.12.2
[INFO] [stderr]    Compiling pest_generator v2.1.1
[INFO] [stderr]    Compiling strum_macros v0.15.0
[INFO] [stderr]    Compiling serde_derive v1.0.102
[INFO] [stderr]    Compiling html5ever v0.24.1
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling darling_macro v0.8.6
[INFO] [stderr]     Checking handlebars v2.0.2
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]    Compiling darling v0.8.6
[INFO] [stderr]    Compiling toml-query_derive v0.9.0
[INFO] [stderr]     Checking toml-query v0.9.2
[INFO] [stderr]    Compiling markup5ever v0.9.0
[INFO] [stderr]     Checking elasticlunr-rs v2.3.6
[INFO] [stderr]     Checking ammonia v3.0.0
[INFO] [stderr]     Checking mdbook v0.3.4
[INFO] [stderr]     Checking mdbook-tag v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::str::FromStr`
[INFO] [stderr]    --> src/preprocessor.rs:339:13
[INFO] [stderr]     |
[INFO] [stderr] 339 |         use std::str::FromStr;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 48s
[INFO] running `"docker" "inspect" "94c95ff8b52dedc5a976a81f869f89bb628bd2e45f4510876106b97467c8e4ee"`
[INFO] running `"docker" "rm" "-f" "94c95ff8b52dedc5a976a81f869f89bb628bd2e45f4510876106b97467c8e4ee"`
[INFO] [stdout] 94c95ff8b52dedc5a976a81f869f89bb628bd2e45f4510876106b97467c8e4ee