[INFO] cloning repository https://github.com/wuerges/iccad2020_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wuerges/iccad2020_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwuerges%2Ficcad2020_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwuerges%2Ficcad2020_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] db7b3328fb5b9363ffbb9ca6fbb57bc40cce81d0
[INFO] documenting wuerges/iccad2020_rust 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%2Fwuerges%2Ficcad2020_rust" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wuerges/iccad2020_rust 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/wuerges/iccad2020_rust
[INFO] finished tweaking git repo https://github.com/wuerges/iccad2020_rust
[INFO] tweaked toml for git repo https://github.com/wuerges/iccad2020_rust written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/wuerges/iccad2020_rust 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded thiserror v1.0.18
[INFO] [stderr]   Downloaded str-concat v0.2.0
[INFO] [stderr]   Downloaded nom-packrat-macros v0.4.0
[INFO] [stderr]   Downloaded thiserror-impl v1.0.18
[INFO] [stderr]   Downloaded sv-parser-error v0.7.0
[INFO] [stderr]   Downloaded nom-greedyerror v0.2.0
[INFO] [stderr]   Downloaded nom-recursive-macros v0.2.0
[INFO] [stderr]   Downloaded nom-packrat v0.4.0
[INFO] [stderr]   Downloaded nom-recursive v0.2.0
[INFO] [stderr]   Downloaded nom-tracable-macros v0.5.2
[INFO] [stderr]   Downloaded nom-tracable v0.5.2
[INFO] [stderr]   Downloaded sv-parser-macros v0.7.0
[INFO] [stderr]   Downloaded sv-parser v0.7.0
[INFO] [stderr]   Downloaded sv-parser-syntaxtree v0.7.0
[INFO] [stderr]   Downloaded sv-parser-pp v0.7.0
[INFO] [stderr]   Downloaded nom_locate v2.0.0
[INFO] [stderr]   Downloaded sv-parser-parser v0.7.0
[INFO] [stderr]   Downloaded nom_locate v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] eeb0f57bc166442a2683c13d69993965f2a3fc1ad7a1a32e22f93594957ce0b0
[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" "eeb0f57bc166442a2683c13d69993965f2a3fc1ad7a1a32e22f93594957ce0b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eeb0f57bc166442a2683c13d69993965f2a3fc1ad7a1a32e22f93594957ce0b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eeb0f57bc166442a2683c13d69993965f2a3fc1ad7a1a32e22f93594957ce0b0", kill_on_drop: false }`
[INFO] [stdout] eeb0f57bc166442a2683c13d69993965f2a3fc1ad7a1a32e22f93594957ce0b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 50f2e5e55662436dd850057a1cf29e3ee3e36881489dfd444fc016c0fa2758a2
[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" "50f2e5e55662436dd850057a1cf29e3ee3e36881489dfd444fc016c0fa2758a2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.13
[INFO] [stderr]    Compiling syn v1.0.22
[INFO] [stderr]    Compiling ryu v1.0.4
[INFO] [stderr]     Checking bytecount v0.6.0
[INFO] [stderr]     Checking bytecount v0.3.2
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]     Checking str-concat v0.2.0
[INFO] [stderr]    Compiling lexical-core v0.6.7
[INFO] [stderr]    Compiling aho-corasick v0.7.10
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]     Checking nom v5.1.1
[INFO] [stderr]    Compiling regex v1.3.7
[INFO] [stderr]     Checking nom_locate v2.0.0
[INFO] [stderr]     Checking nom_locate v1.0.0
[INFO] [stderr]     Checking nom-greedyerror v0.2.0
[INFO] [stderr]    Compiling sv-parser-syntaxtree v0.7.0
[INFO] [stderr]    Compiling nom-tracable-macros v0.5.2
[INFO] [stderr]    Compiling sv-parser-macros v0.7.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.18
[INFO] [stderr]    Compiling nom-packrat-macros v0.4.0
[INFO] [stderr]    Compiling nom-recursive-macros v0.2.0
[INFO] [stderr]     Checking nom-tracable v0.5.2
[INFO] [stderr]     Checking nom-recursive v0.2.0
[INFO] [stderr]     Checking nom-packrat v0.4.0
[INFO] [stderr]     Checking thiserror v1.0.18
[INFO] [stderr]     Checking sv-parser-error v0.7.0
[INFO] [stderr]     Checking sv-parser-parser v0.7.0
[INFO] [stderr]     Checking sv-parser-pp v0.7.0
[INFO] [stderr]     Checking sv-parser v0.7.0
[INFO] [stderr]     Checking rustick v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting rustick v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `IResult`
[INFO] [stdout]  --> src/parser.rs:6:3
[INFO] [stdout]   |
[INFO] [stdout] 6 |   IResult,
[INFO] [stdout]   |   ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` 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 3m 54s
[INFO] running `Command { std: "docker" "inspect" "50f2e5e55662436dd850057a1cf29e3ee3e36881489dfd444fc016c0fa2758a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50f2e5e55662436dd850057a1cf29e3ee3e36881489dfd444fc016c0fa2758a2", kill_on_drop: false }`
[INFO] [stdout] 50f2e5e55662436dd850057a1cf29e3ee3e36881489dfd444fc016c0fa2758a2