[INFO] fetching crate cargo-whatfeatures 0.9.6...
[INFO] documenting cargo-whatfeatures-0.9.6 against 1.54.0 for beta-1.55-rustdoc-1
[INFO] extracting crate cargo-whatfeatures 0.9.6 into /workspace/builds/worker-19/source
[INFO] validating manifest of crates.io crate cargo-whatfeatures 0.9.6 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] started tweaking crates.io crate cargo-whatfeatures 0.9.6
[INFO] finished tweaking crates.io crate cargo-whatfeatures 0.9.6
[INFO] tweaked toml for crates.io crate cargo-whatfeatures 0.9.6 written to /workspace/builds/worker-19/source/Cargo.toml
[INFO] crate crates.io crate cargo-whatfeatures 0.9.6 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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] 2eb9f1523ceacddcb1f6dd6e4b0a37b4bb48f08b1936ad0158eaf9ad03c916dc
[INFO] running `Command { std: "docker" "start" "-a" "2eb9f1523ceacddcb1f6dd6e4b0a37b4bb48f08b1936ad0158eaf9ad03c916dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2eb9f1523ceacddcb1f6dd6e4b0a37b4bb48f08b1936ad0158eaf9ad03c916dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2eb9f1523ceacddcb1f6dd6e4b0a37b4bb48f08b1936ad0158eaf9ad03c916dc", kill_on_drop: false }`
[INFO] [stdout] 2eb9f1523ceacddcb1f6dd6e4b0a37b4bb48f08b1936ad0158eaf9ad03c916dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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] 091879ad0a9b3b8a44dde204f0dafc2ba1911b623b1f91a8be8dc0cca2d211b1
[INFO] running `Command { std: "docker" "start" "-a" "091879ad0a9b3b8a44dde204f0dafc2ba1911b623b1f91a8be8dc0cca2d211b1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.45
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling cc v1.0.61
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]     Checking tinyvec v0.3.4
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]    Compiling const_fn v0.4.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]    Compiling anyhow v1.0.33
[INFO] [stderr]     Checking wildmatch v1.0.11
[INFO] [stderr]     Checking pico-args v0.3.4
[INFO] [stderr]     Checking home v0.5.3
[INFO] [stderr]     Checking yansi v0.5.0
[INFO] [stderr]     Checking crate_version_parse v0.2.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking semver-parser v0.10.1
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking http v0.2.1
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]    Compiling standback v0.2.11
[INFO] [stderr]    Compiling time v0.2.22
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking dirs-sys-next v0.1.1
[INFO] [stderr]     Checking filetime v0.2.12
[INFO] [stderr]     Checking xattr v0.2.2
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]     Checking flate2 v1.0.18
[INFO] [stderr]     Checking directories-next v1.0.2
[INFO] [stderr]     Checking tar v0.4.30
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]     Checking time-macros v0.1.1
[INFO] [stderr]     Checking semver v0.11.0
[INFO] [stderr]     Checking cargo_metadata v0.12.0
[INFO] [stderr]     Checking attohttpc v0.16.0
[INFO] [stderr]  Documenting cargo-whatfeatures v0.9.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.58s
[INFO] running `Command { std: "docker" "inspect" "091879ad0a9b3b8a44dde204f0dafc2ba1911b623b1f91a8be8dc0cca2d211b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "091879ad0a9b3b8a44dde204f0dafc2ba1911b623b1f91a8be8dc0cca2d211b1", kill_on_drop: false }`
[INFO] [stdout] 091879ad0a9b3b8a44dde204f0dafc2ba1911b623b1f91a8be8dc0cca2d211b1
