[INFO] cloning repository https://github.com/ammaraskar/rust-dwarf-x86
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ammaraskar/rust-dwarf-x86" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fammaraskar%2Frust-dwarf-x86", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fammaraskar%2Frust-dwarf-x86'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 953b1d84a08af2bf29abc75427a0a372a76b28ba
[INFO] documenting ammaraskar/rust-dwarf-x86 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fammaraskar%2Frust-dwarf-x86" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ammaraskar/rust-dwarf-x86 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 git repo https://github.com/ammaraskar/rust-dwarf-x86
[INFO] finished tweaking git repo https://github.com/ammaraskar/rust-dwarf-x86
[INFO] tweaked toml for git repo https://github.com/ammaraskar/rust-dwarf-x86 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/ammaraskar/rust-dwarf-x86 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 fallible-iterator v0.1.3
[INFO] [stderr]   Downloaded elf v0.0.10
[INFO] [stderr]   Downloaded leb128 v0.2.1
[INFO] [stderr]   Downloaded gimli v0.14.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 5d43178c87307675503fd32f6e89988c70973d54c3a70bfb450a3dd34e93b79e
[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" "5d43178c87307675503fd32f6e89988c70973d54c3a70bfb450a3dd34e93b79e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d43178c87307675503fd32f6e89988c70973d54c3a70bfb450a3dd34e93b79e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d43178c87307675503fd32f6e89988c70973d54c3a70bfb450a3dd34e93b79e", kill_on_drop: false }`
[INFO] [stdout] 5d43178c87307675503fd32f6e89988c70973d54c3a70bfb450a3dd34e93b79e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 269f5b2eb9dc88b92bc4f6d6eecc8c3e302d28b761c7939409b2f3fa24a49b8c
[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" "269f5b2eb9dc88b92bc4f6d6eecc8c3e302d28b761c7939409b2f3fa24a49b8c", kill_on_drop: false }`
[INFO] [stderr]     Checking odds v0.2.25
[INFO] [stderr]     Checking num-traits v0.1.40
[INFO] [stderr]     Checking fallible-iterator v0.1.3
[INFO] [stderr]     Checking leb128 v0.2.1
[INFO] [stderr]     Checking elf v0.0.10
[INFO] [stderr]     Checking nodrop v0.1.9
[INFO] [stderr]     Checking arrayvec v0.3.23
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking gimli v0.14.0
[INFO] [stderr]  Documenting dwarf_x86 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/dwarf_utils.rs:29:27
[INFO] [stdout]    |
[INFO] [stdout] 29 |         consts::DW_OP_reg0...consts::DW_OP_reg31 => {
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.44s
[INFO] running `Command { std: "docker" "inspect" "269f5b2eb9dc88b92bc4f6d6eecc8c3e302d28b761c7939409b2f3fa24a49b8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "269f5b2eb9dc88b92bc4f6d6eecc8c3e302d28b761c7939409b2f3fa24a49b8c", kill_on_drop: false }`
[INFO] [stdout] 269f5b2eb9dc88b92bc4f6d6eecc8c3e302d28b761c7939409b2f3fa24a49b8c