[INFO] fetching crate fluxcap 0.0.15...
[INFO] documenting fluxcap-0.0.15 against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] extracting crate fluxcap 0.0.15 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate fluxcap 0.0.15 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 fluxcap 0.0.15
[INFO] finished tweaking crates.io crate fluxcap 0.0.15
[INFO] tweaked toml for crates.io crate fluxcap 0.0.15 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate fluxcap 0.0.15 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded abackus v0.2.2
[INFO] [stderr]   Downloaded lexers v0.1.3
[INFO] [stderr]   Downloaded earlgrey v0.3.0
[INFO] [stderr]   Downloaded kronos v0.1.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 446307ae6edb82b0b018e495c2b3dbab196831e7ac4b01fa66df9af836fae9cc
[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" "446307ae6edb82b0b018e495c2b3dbab196831e7ac4b01fa66df9af836fae9cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "446307ae6edb82b0b018e495c2b3dbab196831e7ac4b01fa66df9af836fae9cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "446307ae6edb82b0b018e495c2b3dbab196831e7ac4b01fa66df9af836fae9cc", kill_on_drop: false }`
[INFO] [stdout] 446307ae6edb82b0b018e495c2b3dbab196831e7ac4b01fa66df9af836fae9cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] b9b05a63d4449a5d6843ffc0c1c6e39701b9ef665a026ac8fb24b7867c45f8ef
[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" "b9b05a63d4449a5d6843ffc0c1c6e39701b9ef665a026ac8fb24b7867c45f8ef", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.90
[INFO] [stderr]     Checking earlgrey v0.3.0
[INFO] [stderr]     Checking lexers v0.1.3
[INFO] [stderr]     Checking abackus v0.2.2
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking kronos v0.1.4
[INFO] [stderr]     Checking fluxcap v0.0.15 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting fluxcap v0.0.15 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.46s
[INFO] running `Command { std: "docker" "inspect" "b9b05a63d4449a5d6843ffc0c1c6e39701b9ef665a026ac8fb24b7867c45f8ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9b05a63d4449a5d6843ffc0c1c6e39701b9ef665a026ac8fb24b7867c45f8ef", kill_on_drop: false }`
[INFO] [stdout] b9b05a63d4449a5d6843ffc0c1c6e39701b9ef665a026ac8fb24b7867c45f8ef
