[INFO] fetching crate finalfrontier 0.9.4...
[INFO] documenting finalfrontier-0.9.4 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate finalfrontier 0.9.4 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate finalfrontier 0.9.4 on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate finalfrontier 0.9.4
[INFO] finished tweaking crates.io crate finalfrontier 0.9.4
[INFO] tweaked toml for crates.io crate finalfrontier 0.9.4 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate finalfrontier 0.9.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded finalfusion v0.12.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 986c1d9dd1bc0274e965222042031abb66427774a6859ef5a88e29e2cb18338c
[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" "986c1d9dd1bc0274e965222042031abb66427774a6859ef5a88e29e2cb18338c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "986c1d9dd1bc0274e965222042031abb66427774a6859ef5a88e29e2cb18338c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "986c1d9dd1bc0274e965222042031abb66427774a6859ef5a88e29e2cb18338c", kill_on_drop: false }`
[INFO] [stdout] 986c1d9dd1bc0274e965222042031abb66427774a6859ef5a88e29e2cb18338c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 80e87a1484990fd2acb01c9eb201deab43754246f692304a6213ef83e611cd66
[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" "80e87a1484990fd2acb01c9eb201deab43754246f692304a6213ef83e611cd66", kill_on_drop: false }`
[INFO] [stderr]    Compiling tinyvec v0.3.3
[INFO] [stderr]    Compiling ndarray v0.13.1
[INFO] [stderr]     Checking superslice v1.0.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]     Checking termios v0.3.2
[INFO] [stderr]     Checking terminal_size v0.1.12
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]     Checking rand_xorshift v0.2.0
[INFO] [stderr]     Checking petgraph v0.5.1
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]     Checking rand_distr v0.2.2
[INFO] [stderr]     Checking zipf v6.1.0
[INFO] [stderr]     Checking rayon-core v1.7.1
[INFO] [stderr]     Checking console v0.11.3
[INFO] [stderr]    Compiling unicode-normalization v0.1.13
[INFO] [stderr]     Checking rayon v1.3.1
[INFO] [stderr]     Checking indicatif v0.15.0
[INFO] [stderr]    Compiling libssh2-sys v0.2.17
[INFO] [stderr]    Compiling libgit2-sys v0.12.7+1.0.0
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]    Compiling url v2.1.1
[INFO] [stderr]    Compiling git2 v0.13.6
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking conllu v0.5.1
[INFO] [stderr]    Compiling finalfrontier v0.9.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking reductive v0.4.0
[INFO] [stderr]     Checking ndarray-rand v0.11.0
[INFO] [stderr]     Checking serde v1.0.114
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking finalfusion v0.12.4
[INFO] [stderr]  Documenting finalfrontier v0.9.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 06s
[INFO] running `Command { std: "docker" "inspect" "80e87a1484990fd2acb01c9eb201deab43754246f692304a6213ef83e611cd66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80e87a1484990fd2acb01c9eb201deab43754246f692304a6213ef83e611cd66", kill_on_drop: false }`
[INFO] [stdout] 80e87a1484990fd2acb01c9eb201deab43754246f692304a6213ef83e611cd66