[INFO] cloning repository https://github.com/angelsl/crack7z
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/angelsl/crack7z" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fangelsl%2Fcrack7z", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fangelsl%2Fcrack7z'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5e0c1086c7f6e0b4700b3dbb017219bf9c4c0938
[INFO] documenting angelsl/crack7z 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%2Fangelsl%2Fcrack7z" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/angelsl/crack7z 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/angelsl/crack7z
[INFO] finished tweaking git repo https://github.com/angelsl/crack7z
[INFO] tweaked toml for git repo https://github.com/angelsl/crack7z written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/angelsl/crack7z 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 openssl-sys v0.9.7
[INFO] [stderr]   Downloaded serde_codegen_internals v0.14.1
[INFO] [stderr]   Downloaded quine-mc_cluskey v0.2.4
[INFO] [stderr]   Downloaded lazy_static v0.2.4
[INFO] [stderr]   Downloaded crc v1.4.0
[INFO] [stderr]   Downloaded semver v0.6.0
[INFO] [stderr]   Downloaded openssl v0.9.7
[INFO] [stderr]   Downloaded serde v0.9.10
[INFO] [stderr]   Downloaded quote v0.3.14
[INFO] [stderr]   Downloaded serde_derive v0.9.10
[INFO] [stderr]   Downloaded cargo_metadata v0.1.2
[INFO] [stderr]   Downloaded clippy v0.0.117
[INFO] [stderr]   Downloaded serde_json v0.9.8
[INFO] [stderr]   Downloaded clippy_lints v0.0.117
[INFO] [stderr]   Downloaded syn v0.11.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] e83fcc058c154936f25860b42e40a23e3cb5c08f3c5062b325509b18ab383f0a
[INFO] running `Command { std: "docker" "start" "-a" "e83fcc058c154936f25860b42e40a23e3cb5c08f3c5062b325509b18ab383f0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e83fcc058c154936f25860b42e40a23e3cb5c08f3c5062b325509b18ab383f0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e83fcc058c154936f25860b42e40a23e3cb5c08f3c5062b325509b18ab383f0a", kill_on_drop: false }`
[INFO] [stdout] e83fcc058c154936f25860b42e40a23e3cb5c08f3c5062b325509b18ab383f0a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 4009c8504ef1ab3a4ef63e107d08e97416ea83365c6fd3f42907aa0878768df7
[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" "4009c8504ef1ab3a4ef63e107d08e97416ea83365c6fd3f42907aa0878768df7", kill_on_drop: false }`
[INFO] [stderr]    Compiling gcc v0.3.43
[INFO] [stderr]    Compiling openssl v0.9.7
[INFO] [stderr]     Checking lazy_static v0.2.4
[INFO] [stderr]     Checking crc v1.4.0
[INFO] [stderr]    Compiling openssl-sys v0.9.7
[INFO] [stderr]  Documenting crack7z v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/main.rs:170:100
[INFO] [stdout]     |
[INFO] [stdout] 170 |     crypter.update(&hash.enc_data, &mut dec).map_err(|e| format!("failed to decrypt (1): {}", e))?;;
[INFO] [stdout]     |                                                                                                    ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` 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 8.20s
[INFO] running `Command { std: "docker" "inspect" "4009c8504ef1ab3a4ef63e107d08e97416ea83365c6fd3f42907aa0878768df7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4009c8504ef1ab3a4ef63e107d08e97416ea83365c6fd3f42907aa0878768df7", kill_on_drop: false }`
[INFO] [stdout] 4009c8504ef1ab3a4ef63e107d08e97416ea83365c6fd3f42907aa0878768df7