[INFO] fetching crate strason 0.4.0...
[INFO] documenting strason-0.4.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate strason 0.4.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate strason 0.4.0 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 strason 0.4.0
[INFO] finished tweaking crates.io crate strason 0.4.0
[INFO] tweaked toml for crates.io crate strason 0.4.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-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" "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] 3a92d3f6e2c352280a93faf8494a0cd1582aef36f54b70aa72dbe22278f1fd59
[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" "3a92d3f6e2c352280a93faf8494a0cd1582aef36f54b70aa72dbe22278f1fd59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a92d3f6e2c352280a93faf8494a0cd1582aef36f54b70aa72dbe22278f1fd59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a92d3f6e2c352280a93faf8494a0cd1582aef36f54b70aa72dbe22278f1fd59", kill_on_drop: false }`
[INFO] [stdout] 3a92d3f6e2c352280a93faf8494a0cd1582aef36f54b70aa72dbe22278f1fd59
[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" "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] 94eee759830eeada4c3237a431721b521350d1662f292459f8c2a96ab6fb95e2
[INFO] running `Command { std: "docker" "start" "-a" "94eee759830eeada4c3237a431721b521350d1662f292459f8c2a96ab6fb95e2", kill_on_drop: false }`
[INFO] [stderr]  Documenting strason v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/parser.rs:245:22
[INFO] [stdout]     |
[INFO] [stdout] 245 |                 b'0' ... b'9' => {
[INFO] [stdout]     |                      ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/parser.rs:410:25
[INFO] [stdout]     |
[INFO] [stdout] 410 |             b'-' | b'0' ... b'9' => {
[INFO] [stdout]     |                         ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/serializer.rs:33:19
[INFO] [stdout]    |
[INFO] [stdout] 33 |             '\x20'...'\x7e' => { try!(w.write(&[ch as u8])); }
[INFO] [stdout]    |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.70s
[INFO] running `Command { std: "docker" "inspect" "94eee759830eeada4c3237a431721b521350d1662f292459f8c2a96ab6fb95e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94eee759830eeada4c3237a431721b521350d1662f292459f8c2a96ab6fb95e2", kill_on_drop: false }`
[INFO] [stdout] 94eee759830eeada4c3237a431721b521350d1662f292459f8c2a96ab6fb95e2