[INFO] fetching crate arcs 0.3.0...
[INFO] documenting arcs-0.3.0 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate arcs 0.3.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate arcs 0.3.0 on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate arcs 0.3.0
[INFO] finished tweaking crates.io crate arcs 0.3.0
[INFO] tweaked toml for crates.io crate arcs 0.3.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate arcs 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2370bd049fb671c111722d106dffb020e5d196560d84d5b13daa1d2fd90329ea
[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" "2370bd049fb671c111722d106dffb020e5d196560d84d5b13daa1d2fd90329ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2370bd049fb671c111722d106dffb020e5d196560d84d5b13daa1d2fd90329ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2370bd049fb671c111722d106dffb020e5d196560d84d5b13daa1d2fd90329ea", kill_on_drop: false }`
[INFO] [stdout] 2370bd049fb671c111722d106dffb020e5d196560d84d5b13daa1d2fd90329ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ce4a659a1f32617d18fd90828554ee70d633034b8f05de74cf41b6feee5673f3
[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" "ce4a659a1f32617d18fd90828554ee70d633034b8f05de74cf41b6feee5673f3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling anyhow v1.0.26
[INFO] [stderr]     Checking mopa v0.2.2
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]    Compiling cgmath v0.17.0
[INFO] [stderr]     Checking atom v0.3.5
[INFO] [stderr]     Checking tuple_utils v0.3.0
[INFO] [stderr]     Checking shrev v1.1.1
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking euclid v0.20.7
[INFO] [stderr]     Checking kurbo v0.5.8
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]     Checking num_cpus v1.12.0
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking crossbeam-deque v0.7.2
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking piet v0.0.7
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking rayon-core v1.7.0
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]    Compiling shred-derive v0.6.1
[INFO] [stderr]    Compiling euclid_macros v0.1.0
[INFO] [stderr]    Compiling derivative v1.0.3
[INFO] [stderr]    Compiling specs-derive v0.4.0
[INFO] [stderr]     Checking hibitset v0.6.2
[INFO] [stderr]     Checking euclid v0.19.9
[INFO] [stderr]     Checking aabb-quadtree v0.2.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling const-random-macro v0.1.8
[INFO] [stderr]     Checking const-random v0.1.8
[INFO] [stderr]     Checking ahash v0.2.18
[INFO] [stderr]     Checking hashbrown v0.6.3
[INFO] [stderr]     Checking shred v0.9.4
[INFO] [stderr]     Checking specs v0.15.1
[INFO] [stderr]  Documenting arcs v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 51.19s
[INFO] running `Command { std: "docker" "inspect" "ce4a659a1f32617d18fd90828554ee70d633034b8f05de74cf41b6feee5673f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce4a659a1f32617d18fd90828554ee70d633034b8f05de74cf41b6feee5673f3", kill_on_drop: false }`
[INFO] [stdout] ce4a659a1f32617d18fd90828554ee70d633034b8f05de74cf41b6feee5673f3