[INFO] cloning repository https://github.com/younata/mdbook-api
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/younata/mdbook-api" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyounata%2Fmdbook-api", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyounata%2Fmdbook-api'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7e31f682c5a11b7a307898a1822bf74d1cdb7250
[INFO] checking younata/mdbook-api against try#961316100510fe780d266d35bcf68702fbb049e5 for pr-78935-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyounata%2Fmdbook-api" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/younata/mdbook-api on toolchain 961316100510fe780d266d35bcf68702fbb049e5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+961316100510fe780d266d35bcf68702fbb049e5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/younata/mdbook-api
[INFO] finished tweaking git repo https://github.com/younata/mdbook-api
[INFO] tweaked toml for git repo https://github.com/younata/mdbook-api written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/younata/mdbook-api already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+961316100510fe780d266d35bcf68702fbb049e5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded handlebars v1.1.0
[INFO] [stderr]   Downloaded strum v0.11.0
[INFO] [stderr]   Downloaded mime_guess v1.8.6
[INFO] [stderr]   Downloaded open v1.2.2
[INFO] [stderr]   Downloaded ammonia v1.2.0
[INFO] [stderr]   Downloaded pest v2.1.0
[INFO] [stderr]   Downloaded pulldown-cmark v0.1.2
[INFO] [stderr]   Downloaded cc v1.0.32
[INFO] [stderr]   Downloaded mount v0.4.0
[INFO] [stderr]   Downloaded ucd-trie v0.1.1
[INFO] [stderr]   Downloaded aho-corasick v0.7.1
[INFO] [stderr]   Downloaded inotify v0.6.1
[INFO] [stderr]   Downloaded staticfile v0.5.0
[INFO] [stderr]   Downloaded regex v1.1.3
[INFO] [stderr]   Downloaded toml-query v0.7.0
[INFO] [stderr]   Downloaded is-match v0.1.0
[INFO] [stderr]   Downloaded sequence_trie v0.3.6
[INFO] [stderr]   Downloaded fsevent v0.2.17
[INFO] [stderr]   Downloaded strum_macros v0.11.0
[INFO] [stderr]   Downloaded pest_generator v2.1.0
[INFO] [stderr]   Downloaded filetime v0.2.4
[INFO] [stderr]   Downloaded notify v4.0.10
[INFO] [stderr]   Downloaded markup5ever v0.7.5
[INFO] [stderr]   Downloaded iron v0.6.0
[INFO] [stderr]   Downloaded html5ever v0.22.5
[INFO] [stderr]   Downloaded fsevent-sys v0.1.6
[INFO] [stderr]   Downloaded elasticlunr-rs v2.3.4
[INFO] [stderr]   Downloaded string_cache v0.7.3
[INFO] [stderr]   Downloaded mdbook v0.2.3
[INFO] [stderr]   Downloaded pest_meta v2.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+961316100510fe780d266d35bcf68702fbb049e5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4bbe80d0af10abc6741be706f8e38ef9b58d6a8e22a376d795f2ec7326574762
[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" "4bbe80d0af10abc6741be706f8e38ef9b58d6a8e22a376d795f2ec7326574762", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4bbe80d0af10abc6741be706f8e38ef9b58d6a8e22a376d795f2ec7326574762", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bbe80d0af10abc6741be706f8e38ef9b58d6a8e22a376d795f2ec7326574762", kill_on_drop: false }`
[INFO] [stdout] 4bbe80d0af10abc6741be706f8e38ef9b58d6a8e22a376d795f2ec7326574762
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+961316100510fe780d266d35bcf68702fbb049e5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b90a9d8366a47aa7f0576854fb99ff8a90f38d461447f1932852e67c3f5d2672
[INFO] running `Command { std: "docker" "start" "-a" "b90a9d8366a47aa7f0576854fb99ff8a90f38d461447f1932852e67c3f5d2672", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.51
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling rand_core v0.4.0
[INFO] [stderr]    Compiling syn v0.15.29
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling serde v1.0.89
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling httparse v1.3.3
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]    Compiling cc v1.0.32
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]    Compiling regex v1.1.3
[INFO] [stderr]     Checking ucd-util v0.1.3
[INFO] [stderr]    Compiling itoa v0.4.3
[INFO] [stderr]    Compiling ucd-trie v0.1.1
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking rustc-demangle v0.1.13
[INFO] [stderr]     Checking lazycell v1.2.1
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling maplit v1.0.1
[INFO] [stderr]     Checking typeable v0.1.2
[INFO] [stderr]     Checking modifier v0.1.0
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]    Compiling unicode-segmentation v1.2.1
[INFO] [stderr]     Checking same-file v1.0.4
[INFO] [stderr]     Checking remove_dir_all v0.5.1
[INFO] [stderr]    Compiling pulldown-cmark v0.1.2
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking sequence_trie v0.3.6
[INFO] [stderr]     Checking sha1 v0.6.0
[INFO] [stderr]     Checking either v1.5.1
[INFO] [stderr]     Checking is-match v0.1.0
[INFO] [stderr]     Checking bitflags v0.9.1
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[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]    Compiling backtrace v0.3.14
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.3
[INFO] [stderr]     Checking regex-syntax v0.6.6
[INFO] [stderr]     Checking getopts v0.2.18
[INFO] [stderr]    Compiling pest v2.1.0
[INFO] [stderr]     Checking humantime v1.2.0
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]     Checking walkdir v2.2.7
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking plugin v0.2.6
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking aho-corasick v0.7.1
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking time v0.1.42
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[INFO] [stderr]     Checking num_cpus v1.10.0
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking inotify-sys v0.1.3
[INFO] [stderr]     Checking filetime v0.2.4
[INFO] [stderr]     Checking phf v0.7.24
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking inotify v0.6.1
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]    Compiling pest_meta v2.1.0
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking hyper v0.10.15
[INFO] [stderr]     Checking mio-extras v2.0.5
[INFO] [stderr]     Checking ws v0.7.9
[INFO] [stderr]     Checking notify v4.0.10
[INFO] [stderr]     Checking tempfile v3.0.7
[INFO] [stderr]     Checking error-chain v0.12.0
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling string_cache_codegen v0.4.2
[INFO] [stderr]    Compiling mime_guess v1.8.6
[INFO] [stderr]    Compiling string_cache v0.7.3
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking iron v0.6.0
[INFO] [stderr]     Checking mount v0.4.0
[INFO] [stderr]     Checking staticfile v0.5.0
[INFO] [stderr]    Compiling pest_generator v2.1.0
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling serde_derive v1.0.89
[INFO] [stderr]    Compiling html5ever v0.22.5
[INFO] [stderr]    Compiling strum_macros v0.11.0
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking toml-query v0.7.0
[INFO] [stderr]     Checking handlebars v1.1.0
[INFO] [stderr]     Checking elasticlunr-rs v2.3.4
[INFO] [stderr]    Compiling markup5ever v0.7.5
[INFO] [stderr]     Checking ammonia v1.2.0
[INFO] [stderr]     Checking mdbook v0.2.3
[INFO] [stderr]     Checking mdbook-api v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Deserialize`, `Serialize`
[INFO] [stdout]   --> tests/cli.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 | use serde::{Serialize, Deserialize};
[INFO] [stdout]    |             ^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 20s
[INFO] running `Command { std: "docker" "inspect" "b90a9d8366a47aa7f0576854fb99ff8a90f38d461447f1932852e67c3f5d2672", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b90a9d8366a47aa7f0576854fb99ff8a90f38d461447f1932852e67c3f5d2672", kill_on_drop: false }`
[INFO] [stdout] b90a9d8366a47aa7f0576854fb99ff8a90f38d461447f1932852e67c3f5d2672