[INFO] fetching crate unicode_graph 0.9.11...
[INFO] documenting unicode_graph-0.9.11 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate unicode_graph 0.9.11 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate unicode_graph 0.9.11 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 unicode_graph 0.9.11
[INFO] finished tweaking crates.io crate unicode_graph 0.9.11
[INFO] tweaked toml for crates.io crate unicode_graph 0.9.11 written to /workspace/builds/worker-3/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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 78d5f5eac39a96c05634601091069102ea792b1ae7bb5e668480084ef43a3eb5
[INFO] running `Command { std: "docker" "start" "-a" "78d5f5eac39a96c05634601091069102ea792b1ae7bb5e668480084ef43a3eb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "78d5f5eac39a96c05634601091069102ea792b1ae7bb5e668480084ef43a3eb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78d5f5eac39a96c05634601091069102ea792b1ae7bb5e668480084ef43a3eb5", kill_on_drop: false }`
[INFO] [stdout] 78d5f5eac39a96c05634601091069102ea792b1ae7bb5e668480084ef43a3eb5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 22ba376fd84e164ec197bb39375b1da1e8ac979313df76e565049f665cbf11ab
[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" "22ba376fd84e164ec197bb39375b1da1e8ac979313df76e565049f665cbf11ab", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode_graph v0.9.11 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting unicode_graph v0.9.11 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/braille.rs:30:27
[INFO] [stdout]    |
[INFO] [stdout] 30 |     let lines      = max((try!(input.iter().max().ok_or(ParseGraphError)) + 3) / 4, 1);
[INFO] [stdout]    |                           ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/braille.rs:53:27
[INFO] [stdout]    |
[INFO] [stdout] 53 |     let blocks     = max((try!(input.iter().max().ok_or(ParseGraphError)) + 1) / 2, 1);
[INFO] [stdout]    |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:36:29
[INFO] [stdout]    |
[INFO] [stdout] 36 |                 string.push(try!(char::from_u32(*block).ok_or(ParseGraphError)))
[INFO] [stdout]    |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.64s
[INFO] running `Command { std: "docker" "inspect" "22ba376fd84e164ec197bb39375b1da1e8ac979313df76e565049f665cbf11ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22ba376fd84e164ec197bb39375b1da1e8ac979313df76e565049f665cbf11ab", kill_on_drop: false }`
[INFO] [stdout] 22ba376fd84e164ec197bb39375b1da1e8ac979313df76e565049f665cbf11ab