[INFO] cloning repository https://github.com/thommay/rit
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/thommay/rit" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthommay%2Frit", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthommay%2Frit'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0a55975c5f4d68b19f13675547ced1041881d580
[INFO] documenting thommay/rit against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthommay%2Frit" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/thommay/rit 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 git repo https://github.com/thommay/rit
[INFO] finished tweaking git repo https://github.com/thommay/rit
[INFO] tweaked toml for git repo https://github.com/thommay/rit written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/thommay/rit 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 639429b4cfac24cb196f947cbc88ee7ceab7517bc211e8ba3ac20e3c682e1883
[INFO] running `Command { std: "docker" "start" "-a" "639429b4cfac24cb196f947cbc88ee7ceab7517bc211e8ba3ac20e3c682e1883", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "639429b4cfac24cb196f947cbc88ee7ceab7517bc211e8ba3ac20e3c682e1883", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "639429b4cfac24cb196f947cbc88ee7ceab7517bc211e8ba3ac20e3c682e1883", kill_on_drop: false }`
[INFO] [stdout] 639429b4cfac24cb196f947cbc88ee7ceab7517bc211e8ba3ac20e3c682e1883
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 08c73775d8f65f4d559ffad6968f3f008f70c70d743e410ad8e0f8801a75a00c
[INFO] running `Command { std: "docker" "start" "-a" "08c73775d8f65f4d559ffad6968f3f008f70c70d743e410ad8e0f8801a75a00c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cc v1.0.36
[INFO] [stderr]    Compiling proc-macro2 v0.4.29
[INFO] [stderr]    Compiling syn v0.15.33
[INFO] [stderr]     Checking cfg-if v0.1.7
[INFO] [stderr]     Checking rustc-demangle v0.1.14
[INFO] [stderr]     Checking sha1 v0.6.0
[INFO] [stderr]    Compiling backtrace v0.3.15
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking crc32fast v1.2.0
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling miniz-sys v0.1.11
[INFO] [stderr]     Checking flate2 v1.0.7
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]  Documenting rit v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.88s
[INFO] running `Command { std: "docker" "inspect" "08c73775d8f65f4d559ffad6968f3f008f70c70d743e410ad8e0f8801a75a00c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08c73775d8f65f4d559ffad6968f3f008f70c70d743e410ad8e0f8801a75a00c", kill_on_drop: false }`
[INFO] [stdout] 08c73775d8f65f4d559ffad6968f3f008f70c70d743e410ad8e0f8801a75a00c