[INFO] cloning repository https://github.com/alexcrichton/wasm-gc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alexcrichton/wasm-gc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexcrichton%2Fwasm-gc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexcrichton%2Fwasm-gc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] deb1c6dc3aec39a3f2bdc5595266212ead448490
[INFO] documenting alexcrichton/wasm-gc against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexcrichton%2Fwasm-gc" "/workspace/builds/worker-36/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-36/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/alexcrichton/wasm-gc on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/alexcrichton/wasm-gc
[INFO] finished tweaking git repo https://github.com/alexcrichton/wasm-gc
[INFO] tweaked toml for git repo https://github.com/alexcrichton/wasm-gc written to /workspace/builds/worker-36/source/Cargo.toml
[INFO] crate git repo https://github.com/alexcrichton/wasm-gc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0851766f0bc86a6fd25b7dfed70b9f179b61f716a2675db156d7ee050b521632
[INFO] running `Command { std: "docker" "start" "-a" "0851766f0bc86a6fd25b7dfed70b9f179b61f716a2675db156d7ee050b521632", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0851766f0bc86a6fd25b7dfed70b9f179b61f716a2675db156d7ee050b521632", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0851766f0bc86a6fd25b7dfed70b9f179b61f716a2675db156d7ee050b521632", kill_on_drop: false }`
[INFO] [stdout] 0851766f0bc86a6fd25b7dfed70b9f179b61f716a2675db156d7ee050b521632
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3d2052e39eca916a858cbfe4d2886bba8f9f928158e0b3a6188c0987495d480a
[INFO] running `Command { std: "docker" "start" "-a" "3d2052e39eca916a858cbfe4d2886bba8f9f928158e0b3a6188c0987495d480a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking cfg-if v0.1.5
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]     Checking byteorder v1.2.6
[INFO] [stderr]     Checking termcolor v1.0.2
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking rustc-demangle v0.1.9
[INFO] [stderr]     Checking log v0.4.4
[INFO] [stderr]     Checking humantime v1.1.1
[INFO] [stderr]     Checking getopts v0.2.18
[INFO] [stderr]     Checking parity-wasm v0.32.0
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking wasm-gc-api v0.1.11 (/opt/rustwide/workdir/wasm-gc-api)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> wasm-gc-api/src/lib.rs:63:52
[INFO] [stdout]    |
[INFO] [stdout] 63 |         if let Some(module) = (&mut module as &mut Any).downcast_mut() {
[INFO] [stdout]    |                                                    ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 63 -         if let Some(module) = (&mut module as &mut Any).downcast_mut() {
[INFO] [stdout] 63 +         if let Some(module) = (&mut module as &mut dyn Any).downcast_mut() {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> wasm-gc-api/src/lib.rs:91:36
[INFO] [stdout]    |
[INFO] [stdout] 91 |         let module = self.0 as Box<Any>;
[INFO] [stdout]    |                                    ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 91 -         let module = self.0 as Box<Any>;
[INFO] [stdout] 91 +         let module = self.0 as Box<dyn Any>;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]  Documenting wasm-gc v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.54s
[INFO] running `Command { std: "docker" "inspect" "3d2052e39eca916a858cbfe4d2886bba8f9f928158e0b3a6188c0987495d480a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d2052e39eca916a858cbfe4d2886bba8f9f928158e0b3a6188c0987495d480a", kill_on_drop: false }`
[INFO] [stdout] 3d2052e39eca916a858cbfe4d2886bba8f9f928158e0b3a6188c0987495d480a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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=warn" "-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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 591389de3663f85f8148e32b837e5f071db15a4322d0d7bb9e81bfca73f96ca1
[INFO] running `Command { std: "docker" "start" "-a" "591389de3663f85f8148e32b837e5f071db15a4322d0d7bb9e81bfca73f96ca1", kill_on_drop: false }`
[INFO] [stderr] error: no library targets found in package `wasm-gc`
[INFO] running `Command { std: "docker" "inspect" "591389de3663f85f8148e32b837e5f071db15a4322d0d7bb9e81bfca73f96ca1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "591389de3663f85f8148e32b837e5f071db15a4322d0d7bb9e81bfca73f96ca1", kill_on_drop: false }`
[INFO] [stdout] 591389de3663f85f8148e32b837e5f071db15a4322d0d7bb9e81bfca73f96ca1