[INFO] fetching crate b3sum 0.3.6...
[INFO] documenting b3sum-0.3.6 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate b3sum 0.3.6 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate b3sum 0.3.6 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 b3sum 0.3.6
[INFO] finished tweaking crates.io crate b3sum 0.3.6
[INFO] tweaked toml for crates.io crate b3sum 0.3.6 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate crates.io crate b3sum 0.3.6 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]  Downloading crates ...
[INFO] [stderr]   Downloaded os_pipe v0.9.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 400a9ec4277d53024d1b44cd06b1624a212b7efb023b59be7f89a074997b494a
[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" "400a9ec4277d53024d1b44cd06b1624a212b7efb023b59be7f89a074997b494a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "400a9ec4277d53024d1b44cd06b1624a212b7efb023b59be7f89a074997b494a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "400a9ec4277d53024d1b44cd06b1624a212b7efb023b59be7f89a074997b494a", kill_on_drop: false }`
[INFO] [stdout] 400a9ec4277d53024d1b44cd06b1624a212b7efb023b59be7f89a074997b494a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 0d5591ef75e4e2450e49a878af0751929522ba2a24da346a2866e6a726d8d876
[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" "0d5591ef75e4e2450e49a878af0751929522ba2a24da346a2866e6a726d8d876", 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling rayon-core v1.7.1
[INFO] [stderr]    Compiling cc v1.0.58
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]    Compiling generic-array v0.14.3
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling rayon v1.3.1
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]    Compiling blake3 v0.3.6
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]  Documenting b3sum v0.3.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.23s
[INFO] running `Command { std: "docker" "inspect" "0d5591ef75e4e2450e49a878af0751929522ba2a24da346a2866e6a726d8d876", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d5591ef75e4e2450e49a878af0751929522ba2a24da346a2866e6a726d8d876", kill_on_drop: false }`
[INFO] [stdout] 0d5591ef75e4e2450e49a878af0751929522ba2a24da346a2866e6a726d8d876