[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 master#2e5723137b2b88368d018b262a0a823a1423131b 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-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/younata/mdbook-api on toolchain 2e5723137b2b88368d018b262a0a823a1423131b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2e5723137b2b88368d018b262a0a823a1423131b" "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-6/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" "+2e5723137b2b88368d018b262a0a823a1423131b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+2e5723137b2b88368d018b262a0a823a1423131b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 43fa9fb1a5ddcd2fb625b8f70770a073ad0f81791f9b6b8109cb791880b8cd28
[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" "43fa9fb1a5ddcd2fb625b8f70770a073ad0f81791f9b6b8109cb791880b8cd28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "43fa9fb1a5ddcd2fb625b8f70770a073ad0f81791f9b6b8109cb791880b8cd28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43fa9fb1a5ddcd2fb625b8f70770a073ad0f81791f9b6b8109cb791880b8cd28", kill_on_drop: false }`
[INFO] [stdout] 43fa9fb1a5ddcd2fb625b8f70770a073ad0f81791f9b6b8109cb791880b8cd28
[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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+2e5723137b2b88368d018b262a0a823a1423131b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c31483e62cfece1d34f64a10b7572fa2db510febe3a239fd75091af6c1a2772f
[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" "c31483e62cfece1d34f64a10b7572fa2db510febe3a239fd75091af6c1a2772f", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_core v0.4.0
[INFO] [stderr]    Compiling syn v0.15.29
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling serde v1.0.89
[INFO] [stderr]     Checking matches v0.1.8
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[INFO] [stderr]     Checking traitobject v0.1.0
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[INFO] [stderr]     Checking new_debug_unreachable v1.0.3
[INFO] [stderr]     Checking mac v0.1.1
[INFO] [stderr]    Compiling ucd-trie v0.1.1
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking typeable v0.1.2
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]    Compiling maplit v1.0.1
[INFO] [stderr]     Checking utf-8 v0.7.5
[INFO] [stderr]    Compiling unicode-segmentation v1.2.1
[INFO] [stderr]     Checking modifier v0.1.0
[INFO] [stderr]    Compiling pulldown-cmark v0.1.2
[INFO] [stderr]     Checking sequence_trie v0.3.6
[INFO] [stderr]     Checking ansi_term v0.11.0
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[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]    Compiling backtrace v0.3.14
[INFO] [stderr]     Checking rand_jitter v0.1.3
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking unsafe-any v0.4.2
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[INFO] [stderr]     Checking getopts v0.2.18
[INFO] [stderr]    Compiling pest v2.1.0
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]     Checking itertools v0.7.11
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[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking inotify-sys v0.1.3
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[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking plugin v0.2.6
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[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]     Checking phf v0.7.24
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]    Compiling pest_meta v2.1.0
[INFO] [stderr]     Checking mio-extras v2.0.5
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]     Checking notify v4.0.10
[INFO] [stderr]     Checking tempfile v3.0.7
[INFO] [stderr]     Checking hyper v0.10.15
[INFO] [stderr]     Checking ws v0.7.9
[INFO] [stderr]    Compiling phf_generator v0.7.24
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[INFO] [stderr]    Compiling string_cache v0.7.3
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[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 pest_derive v2.1.0
[INFO] [stderr]    Compiling strum_macros v0.11.0
[INFO] [stderr]    Compiling failure_derive v0.1.5
[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 06s
[INFO] running `Command { std: "docker" "inspect" "c31483e62cfece1d34f64a10b7572fa2db510febe3a239fd75091af6c1a2772f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c31483e62cfece1d34f64a10b7572fa2db510febe3a239fd75091af6c1a2772f", kill_on_drop: false }`
[INFO] [stdout] c31483e62cfece1d34f64a10b7572fa2db510febe3a239fd75091af6c1a2772f