[INFO] fetching crate impromptu 0.0.1...
[INFO] documenting impromptu-0.0.1 against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] extracting crate impromptu 0.0.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate impromptu 0.0.1 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate impromptu 0.0.1
[INFO] finished tweaking crates.io crate impromptu 0.0.1
[INFO] tweaked toml for crates.io crate impromptu 0.0.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate impromptu 0.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cached v0.9.0
[INFO] running `Command { std: "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" "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" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7bcd3f2422685f9a7b0ae9d291e5b7eb12175ab524a34593a7178261cf40f0aa
[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" "7bcd3f2422685f9a7b0ae9d291e5b7eb12175ab524a34593a7178261cf40f0aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7bcd3f2422685f9a7b0ae9d291e5b7eb12175ab524a34593a7178261cf40f0aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bcd3f2422685f9a7b0ae9d291e5b7eb12175ab524a34593a7178261cf40f0aa", kill_on_drop: false }`
[INFO] [stdout] 7bcd3f2422685f9a7b0ae9d291e5b7eb12175ab524a34593a7178261cf40f0aa
[INFO] running `Command { std: "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" "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" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 38cc306842d04d423eacfc6aa72e4a5f3eaec9ac2dd21c54c8de9e1abb74f971
[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" "38cc306842d04d423eacfc6aa72e4a5f3eaec9ac2dd21c54c8de9e1abb74f971", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]    Compiling pkg-config v0.3.16
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]    Compiling getrandom v0.1.12
[INFO] [stderr]    Compiling bitflags v1.2.0
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.5
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]    Compiling rayon-core v1.6.0
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]     Checking unicode-width v0.1.6
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]     Checking same-file v1.0.5
[INFO] [stderr]     Checking cast v0.2.2
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]     Checking unicode-normalization v0.1.8
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking itertools v0.8.0
[INFO] [stderr]     Checking walkdir v2.2.9
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]     Checking criterion-plot v0.4.0
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking regex-automata v0.1.8
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking url v2.1.0
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking num_cpus v1.10.1
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking termion v1.5.3
[INFO] [stderr]    Compiling jobserver v0.1.17
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking csv-core v0.1.6
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]    Compiling cc v1.0.45
[INFO] [stderr]     Checking rayon v1.2.0
[INFO] [stderr]     Checking rand_xoshiro v0.3.1
[INFO] [stderr]     Checking rand_os v0.2.2
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking serde_json v1.0.41
[INFO] [stderr]     Checking bstr v0.2.8
[INFO] [stderr]    Compiling openssl-sys v0.9.50
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling libssh2-sys v0.2.12
[INFO] [stderr]    Compiling libgit2-sys v0.9.1
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking once_cell v0.1.8
[INFO] [stderr]     Checking csv v1.1.1
[INFO] [stderr]     Checking cached v0.9.0
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]     Checking tinytemplate v1.0.2
[INFO] [stderr]     Checking git2 v0.10.1
[INFO] [stderr]     Checking criterion v0.3.0
[INFO] [stderr]  Documenting impromptu v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.56s
[INFO] running `Command { std: "docker" "inspect" "38cc306842d04d423eacfc6aa72e4a5f3eaec9ac2dd21c54c8de9e1abb74f971", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38cc306842d04d423eacfc6aa72e4a5f3eaec9ac2dd21c54c8de9e1abb74f971", kill_on_drop: false }`
[INFO] [stdout] 38cc306842d04d423eacfc6aa72e4a5f3eaec9ac2dd21c54c8de9e1abb74f971
