[INFO] cloning repository https://github.com/vwasm/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/vwasm/wasm-gc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvwasm%2Fwasm-gc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvwasm%2Fwasm-gc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 09fd67afff7080990a2702f5c98eb1aadc600429
[INFO] testing vwasm/wasm-gc against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvwasm%2Fwasm-gc" "/workspace/builds/worker-47/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-47/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vwasm/wasm-gc on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/vwasm/wasm-gc
[INFO] finished tweaking git repo https://github.com/vwasm/wasm-gc
[INFO] tweaked toml for git repo https://github.com/vwasm/wasm-gc written to /workspace/builds/worker-47/source/Cargo.toml
[INFO] crate git repo https://github.com/vwasm/wasm-gc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bab32b5b9318d204401499833826fec573a8461e392bb5a32fb48f774262d576
[INFO] running `Command { std: "docker" "start" "-a" "bab32b5b9318d204401499833826fec573a8461e392bb5a32fb48f774262d576", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bab32b5b9318d204401499833826fec573a8461e392bb5a32fb48f774262d576", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bab32b5b9318d204401499833826fec573a8461e392bb5a32fb48f774262d576", kill_on_drop: false }`
[INFO] [stdout] bab32b5b9318d204401499833826fec573a8461e392bb5a32fb48f774262d576
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3fcc8231936d854a656db125e5e56fcce45c1ab987521f9d8f9baac3ba3f995e
[INFO] running `Command { std: "docker" "start" "-a" "3fcc8231936d854a656db125e5e56fcce45c1ab987521f9d8f9baac3ba3f995e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.34
[INFO] [stderr]    Compiling stable_deref_trait v1.0.0
[INFO] [stderr]    Compiling smallvec v0.6.0
[INFO] [stderr]    Compiling byteorder v1.2.1
[INFO] [stderr]    Compiling getopts v0.2.15
[INFO] [stderr]    Compiling env_logger v0.4.3
[INFO] [stderr]    Compiling owning_ref v0.3.3
[INFO] [stdout] error[E0503]: cannot use `state` because it was mutably borrowed
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/getopts-0.2.15/src/lib.rs:1033:25
[INFO] [stdout]      |
[INFO] [stdout] 978  |     let mut machine = |cont: &mut bool, (i, c): (usize, char)| {
[INFO] [stdout]      |                       ---------------------------------------- borrow of `state` occurs here
[INFO] [stdout] ...
[INFO] [stdout] 982  |         state = match (state, whitespace, limit) {
[INFO] [stdout]      |         ----- borrow occurs due to use of `state` in closure
[INFO] [stdout] ...
[INFO] [stdout] 1033 |     while cont && match state { B | C => true, A => false } {
[INFO] [stdout]      |                         ^^^^^ use of borrowed `state`
[INFO] [stdout] 1034 |         machine(&mut cont, (fake_i, ' '));
[INFO] [stdout]      |         ------- borrow later used here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `getopts` due to 2 previous errors
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0503`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "3fcc8231936d854a656db125e5e56fcce45c1ab987521f9d8f9baac3ba3f995e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fcc8231936d854a656db125e5e56fcce45c1ab987521f9d8f9baac3ba3f995e", kill_on_drop: false }`
[INFO] [stdout] 3fcc8231936d854a656db125e5e56fcce45c1ab987521f9d8f9baac3ba3f995e