[INFO] fetching crate distant 0.4.0...
[INFO] documenting distant-0.4.0 against 1.54.0 for beta-1.55-rustdoc-1
[INFO] extracting crate distant 0.4.0 into /workspace/builds/worker-100/source
[INFO] validating manifest of crates.io crate distant 0.4.0 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-100/source/.cargo/config
[INFO] started tweaking crates.io crate distant 0.4.0
[INFO] finished tweaking crates.io crate distant 0.4.0
[INFO] tweaked toml for crates.io crate distant 0.4.0 written to /workspace/builds/worker-100/source/Cargo.toml
[INFO] crate crates.io crate distant 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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-100/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/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" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c2b494285290ab90c5f83563eb0667ecbbbdd2ab0386f4bdfea6ccddc693e42a
[INFO] running `Command { std: "docker" "start" "-a" "c2b494285290ab90c5f83563eb0667ecbbbdd2ab0386f4bdfea6ccddc693e42a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c2b494285290ab90c5f83563eb0667ecbbbdd2ab0386f4bdfea6ccddc693e42a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2b494285290ab90c5f83563eb0667ecbbbdd2ab0386f4bdfea6ccddc693e42a", kill_on_drop: false }`
[INFO] [stdout] c2b494285290ab90c5f83563eb0667ecbbbdd2ab0386f4bdfea6ccddc693e42a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/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" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c997711d9967f74b48c17f7ca5fb42c833bd4da672f2265ed0ed507fe2c05121
[INFO] running `Command { std: "docker" "start" "-a" "c997711d9967f74b48c17f7ca5fb42c833bd4da672f2265ed0ed507fe2c05121", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]    Compiling futures-core v0.3.16
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]     Checking futures-sink v0.3.16
[INFO] [stderr]     Checking const-oid v0.6.0
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling futures-task v0.3.16
[INFO] [stderr]     Checking zeroize v1.4.1
[INFO] [stderr]    Compiling futures-channel v0.3.16
[INFO] [stderr]     Checking futures-io v0.3.16
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]    Compiling whoami v1.1.2
[INFO] [stderr]     Checking cpufeatures v0.1.5
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking ct-codecs v1.1.1
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking yansi v0.5.0
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]     Checking half v1.7.1
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking instant v0.1.10
[INFO] [stderr]    Compiling futures-macro v0.3.16
[INFO] [stderr]    Compiling tokio v1.9.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking dirs-sys v0.3.6
[INFO] [stderr]     Checking fork v0.1.18
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking directories v3.0.2
[INFO] [stderr]     Checking der v0.4.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking ff v0.10.0
[INFO] [stderr]     Checking orion v0.16.0
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking group v0.10.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking spki v0.4.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.11.1
[INFO] [stderr]     Checking crypto-bigint v0.2.2
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking signature v1.3.1
[INFO] [stderr]     Checking hmac v0.11.0
[INFO] [stderr]     Checking pkcs8 v0.7.5
[INFO] [stderr]     Checking sha2 v0.9.5
[INFO] [stderr]     Checking elliptic-curve v0.10.5
[INFO] [stderr]     Checking ecdsa v0.12.3
[INFO] [stderr]     Checking k256 v0.9.6
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling structopt-derive v0.4.15
[INFO] [stderr]    Compiling strum_macros v0.21.1
[INFO] [stderr]    Compiling derive_more v0.99.16
[INFO] [stderr]     Checking thiserror v1.0.26
[INFO] [stderr]     Checking flexi_logger v0.18.0
[INFO] [stderr]     Checking strum v0.21.0
[INFO] [stderr]     Checking structopt v0.3.22
[INFO] [stderr]     Checking futures-executor v0.3.16
[INFO] [stderr]     Checking futures v0.3.16
[INFO] [stderr]     Checking tokio-util v0.6.7
[INFO] [stderr]     Checking tokio-stream v0.1.7
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]  Documenting distant v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.59s
[INFO] running `Command { std: "docker" "inspect" "c997711d9967f74b48c17f7ca5fb42c833bd4da672f2265ed0ed507fe2c05121", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c997711d9967f74b48c17f7ca5fb42c833bd4da672f2265ed0ed507fe2c05121", kill_on_drop: false }`
[INFO] [stdout] c997711d9967f74b48c17f7ca5fb42c833bd4da672f2265ed0ed507fe2c05121
