[INFO] cloning repository https://github.com/lolzballs/rust-jvm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lolzballs/rust-jvm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flolzballs%2Frust-jvm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flolzballs%2Frust-jvm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 01e170f41a28f7e845a523b75041cddb5779779e
[INFO] documenting lolzballs/rust-jvm against try#6ee483316d2e4581572121d60a955affb2032eb3+cargoflags=-Zrustdoc-scrape-examples for scrape-examples
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flolzballs%2Frust-jvm" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lolzballs/rust-jvm on toolchain 6ee483316d2e4581572121d60a955affb2032eb3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6ee483316d2e4581572121d60a955affb2032eb3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lolzballs/rust-jvm
[INFO] finished tweaking git repo https://github.com/lolzballs/rust-jvm
[INFO] tweaked toml for git repo https://github.com/lolzballs/rust-jvm written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/lolzballs/rust-jvm already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6ee483316d2e4581572121d60a955affb2032eb3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+6ee483316d2e4581572121d60a955affb2032eb3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d82b3d3a391b2bd39ee5ca55b766486f9b09b30796c4a67e85954d3175adab55
[INFO] running `Command { std: "docker" "start" "-a" "d82b3d3a391b2bd39ee5ca55b766486f9b09b30796c4a67e85954d3175adab55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d82b3d3a391b2bd39ee5ca55b766486f9b09b30796c4a67e85954d3175adab55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d82b3d3a391b2bd39ee5ca55b766486f9b09b30796c4a67e85954d3175adab55", kill_on_drop: false }`
[INFO] [stdout] d82b3d3a391b2bd39ee5ca55b766486f9b09b30796c4a67e85954d3175adab55
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+6ee483316d2e4581572121d60a955affb2032eb3" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json" "-Zrustdoc-scrape-examples", kill_on_drop: false }`
[INFO] [stdout] 766462f7fc366b2b9b49a326f75904d8e50f93bc2c117b67b33b519938dd6332
[INFO] running `Command { std: "docker" "start" "-a" "766462f7fc366b2b9b49a326f75904d8e50f93bc2c117b67b33b519938dd6332", kill_on_drop: false }`
[INFO] [stderr]    Compiling siphasher v0.2.1
[INFO] [stderr]    Compiling libc v0.2.21
[INFO] [stderr]    Compiling itoa v0.3.1
[INFO] [stderr]    Compiling dtoa v0.4.1
[INFO] [stderr]    Compiling num-traits v0.1.37
[INFO] [stderr]    Compiling serde v0.9.11
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]     Checking lazy_static v0.2.4
[INFO] [stderr]     Checking byteorder v1.0.0
[INFO] [stderr]    Compiling phf_shared v0.7.21
[INFO] [stderr]    Compiling phf v0.7.21
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling rust_jvm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `ExitStatus::success` that must be used
[INFO] [stdout]   --> build.rs:24:17
[INFO] [stdout]    |
[INFO] [stdout] 24 | /                 Command::new("javac")
[INFO] [stdout] 25 | |                     .current_dir("runtime")
[INFO] [stdout] 26 | |                     .arg("-d")
[INFO] [stdout] 27 | |                     .arg(&out)
[INFO] [stdout] ...  |
[INFO] [stdout] 30 | |                     .expect("failed to execute javac")
[INFO] [stdout] 31 | |                     .success();
[INFO] [stdout]    | |______________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling phf_generator v0.7.21
[INFO] [stderr]    Compiling phf_codegen v0.7.21
[INFO] [stderr]    Compiling target_build_utils v0.3.0
[INFO] [stderr]    Compiling serde_json v0.9.9
[INFO] [stderr]    Compiling libloading v0.3.2
[INFO] [stderr]     Scraping rust_jvm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting rust_jvm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.23s
[INFO] running `Command { std: "docker" "inspect" "766462f7fc366b2b9b49a326f75904d8e50f93bc2c117b67b33b519938dd6332", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "766462f7fc366b2b9b49a326f75904d8e50f93bc2c117b67b33b519938dd6332", kill_on_drop: false }`
[INFO] [stdout] 766462f7fc366b2b9b49a326f75904d8e50f93bc2c117b67b33b519938dd6332
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=1" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+6ee483316d2e4581572121d60a955affb2032eb3" "rustdoc" "--lib" "-Zrustdoc-map" "-Z" "unstable-options" "--config" "build.rustdocflags=[\"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json" "-Zrustdoc-scrape-examples", kill_on_drop: false }`
[INFO] [stdout] cf8503774984f0ad947dca23f61f36efbfd75e16a4b5b2468f84ea1388a4398a
[INFO] running `Command { std: "docker" "start" "-a" "cf8503774984f0ad947dca23f61f36efbfd75e16a4b5b2468f84ea1388a4398a", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_jvm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `ExitStatus::success` that must be used
[INFO] [stdout]   --> build.rs:24:17
[INFO] [stdout]    |
[INFO] [stdout] 24 | /                 Command::new("javac")
[INFO] [stdout] 25 | |                     .current_dir("runtime")
[INFO] [stdout] 26 | |                     .arg("-d")
[INFO] [stdout] 27 | |                     .arg(&out)
[INFO] [stdout] ...  |
[INFO] [stdout] 30 | |                     .expect("failed to execute javac")
[INFO] [stdout] 31 | |                     .success();
[INFO] [stdout]    | |______________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Scraping rust_jvm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting rust_jvm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.93s
[INFO] running `Command { std: "docker" "inspect" "cf8503774984f0ad947dca23f61f36efbfd75e16a4b5b2468f84ea1388a4398a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf8503774984f0ad947dca23f61f36efbfd75e16a4b5b2468f84ea1388a4398a", kill_on_drop: false }`
[INFO] [stdout] cf8503774984f0ad947dca23f61f36efbfd75e16a4b5b2468f84ea1388a4398a