[INFO] fetching crate rawloader 0.36.2...
[INFO] documenting rawloader-0.36.2 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate rawloader 0.36.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate rawloader 0.36.2 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 rawloader 0.36.2
[INFO] finished tweaking crates.io crate rawloader 0.36.2
[INFO] tweaked toml for crates.io crate rawloader 0.36.2 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate rawloader 0.36.2 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 046eeb22cfa5cd014e6c93f5213b7044c14630043cc338d7d92f3083cb5f4578
[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" "046eeb22cfa5cd014e6c93f5213b7044c14630043cc338d7d92f3083cb5f4578", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "046eeb22cfa5cd014e6c93f5213b7044c14630043cc338d7d92f3083cb5f4578", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "046eeb22cfa5cd014e6c93f5213b7044c14630043cc338d7d92f3083cb5f4578", kill_on_drop: false }`
[INFO] [stdout] 046eeb22cfa5cd014e6c93f5213b7044c14630043cc338d7d92f3083cb5f4578
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] ad38a6fa7a2d771ac8b79fb3c13f8a61035c69102d99b8428d8feef4b504538c
[INFO] running `Command { std: "docker" "start" "-a" "ad38a6fa7a2d771ac8b79fb3c13f8a61035c69102d99b8428d8feef4b504538c", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]    Compiling num-rational v0.2.3
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]     Checking crossbeam-deque v0.7.2
[INFO] [stderr]     Checking num_cpus v1.12.0
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling rustversion v1.0.2
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling time-macros-impl v0.1.0
[INFO] [stderr]    Compiling rawloader v0.36.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking time-macros v0.1.0
[INFO] [stderr]     Checking time v0.2.6
[INFO] [stderr]  Documenting rawloader v0.36.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/decoders/tiff.rs:412:7
[INFO] [stdout]     |
[INFO] [stdout] 412 |       (offset + 8)
[INFO] [stdout]     |       ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 26.90s
[INFO] running `Command { std: "docker" "inspect" "ad38a6fa7a2d771ac8b79fb3c13f8a61035c69102d99b8428d8feef4b504538c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad38a6fa7a2d771ac8b79fb3c13f8a61035c69102d99b8428d8feef4b504538c", kill_on_drop: false }`
[INFO] [stdout] ad38a6fa7a2d771ac8b79fb3c13f8a61035c69102d99b8428d8feef4b504538c