[INFO] fetching crate cn-stratum 0.4.1...
[INFO] documenting cn-stratum-0.4.1 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate cn-stratum 0.4.1 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate cn-stratum 0.4.1 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 cn-stratum 0.4.1
[INFO] finished tweaking crates.io crate cn-stratum 0.4.1
[INFO] tweaked toml for crates.io crate cn-stratum 0.4.1 written to /workspace/builds/worker-11/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] [stderr]     Blocking waiting for file lock on package cache
[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] 93ded1c46ca75568ddfb671a8aaae7c1b45f1141aef88bcf75e9be102a653ae3
[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" "93ded1c46ca75568ddfb671a8aaae7c1b45f1141aef88bcf75e9be102a653ae3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "93ded1c46ca75568ddfb671a8aaae7c1b45f1141aef88bcf75e9be102a653ae3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93ded1c46ca75568ddfb671a8aaae7c1b45f1141aef88bcf75e9be102a653ae3", kill_on_drop: false }`
[INFO] [stdout] 93ded1c46ca75568ddfb671a8aaae7c1b45f1141aef88bcf75e9be102a653ae3
[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] b349ace41c88b320e3649d934744bed81485745be563937c9148474aaf8dfcd7
[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" "b349ace41c88b320e3649d934744bed81485745be563937c9148474aaf8dfcd7", kill_on_drop: false }`
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]  Documenting cn-stratum v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/hexbytes.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |         0x0...0x9 => Ok(x + b'0'),
[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/hexbytes.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 |         0xa...0xf => Ok(x - 0xa + b'a'),
[INFO] [stdout]    |            ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/hexbytes.rs:19:13
[INFO] [stdout]    |
[INFO] [stdout] 19 |         b'0'...b'9' => Ok(x - b'0'),
[INFO] [stdout]    |             ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/hexbytes.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 |         b'a'...b'f' => Ok(x - b'a' + 0xa),
[INFO] [stdout]    |             ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.54s
[INFO] running `Command { std: "docker" "inspect" "b349ace41c88b320e3649d934744bed81485745be563937c9148474aaf8dfcd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b349ace41c88b320e3649d934744bed81485745be563937c9148474aaf8dfcd7", kill_on_drop: false }`
[INFO] [stdout] b349ace41c88b320e3649d934744bed81485745be563937c9148474aaf8dfcd7