[INFO] cloning repository https://github.com/drisc/procul
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/drisc/procul" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdrisc%2Fprocul", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdrisc%2Fprocul'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f4e43cbb00b17c3bb273732fd34591094c1b4f7b
[INFO] checking drisc/procul against beta-2021-10-15 for beta-1.56-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdrisc%2Fprocul" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/drisc/procul on toolchain beta-2021-10-15
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/drisc/procul
[INFO] finished tweaking git repo https://github.com/drisc/procul
[INFO] tweaked toml for git repo https://github.com/drisc/procul written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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-2021-10-15" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2144d9222503320f36194926d32b51072e99f75e061ef7b4b0511605a0db136d
[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" "2144d9222503320f36194926d32b51072e99f75e061ef7b4b0511605a0db136d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2144d9222503320f36194926d32b51072e99f75e061ef7b4b0511605a0db136d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2144d9222503320f36194926d32b51072e99f75e061ef7b4b0511605a0db136d", kill_on_drop: false }`
[INFO] [stdout] 2144d9222503320f36194926d32b51072e99f75e061ef7b4b0511605a0db136d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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-2021-10-15" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e967b6cc5e2ef66040210037db4ad60302a10bc1a8a9fe80ad982c406129f62d
[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" "e967b6cc5e2ef66040210037db4ad60302a10bc1a8a9fe80ad982c406129f62d", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking doc-comment v0.1.4
[INFO] [stderr]     Checking webbrowser v0.2.2
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling ncurses v5.101.0
[INFO] [stderr]     Checking enum-map-internals v0.1.3
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking term_size v0.3.2
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking signal-hook v0.1.17
[INFO] [stderr]     Checking flate2 v1.0.22
[INFO] [stderr]     Checking tokio-timer v0.2.13
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking native-tls v0.2.8
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking cookie v0.12.0
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]     Checking object v0.26.2
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling string_cache_codegen v0.4.4
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]    Compiling selectors v0.21.0
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]    Compiling string_cache v0.7.5
[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking hyperx v0.13.2
[INFO] [stderr]     Checking backtrace v0.3.61
[INFO] [stderr]     Checking hyper v0.12.36
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling cssparser v0.25.9
[INFO] [stderr]    Compiling cssparser-macros v0.3.6
[INFO] [stderr]    Compiling enum-map-derive v0.4.6
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]     Checking enum-map v0.5.0
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling enumset_derive v0.4.4
[INFO] [stdout] error[E0432]: unresolved import `syn::export`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/enumset_derive-0.4.4/src/lib.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 10 | use syn::export::Span;
[INFO] [stdout]    |          ^^^^^^ could not find `export` in `syn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `enumset_derive` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "e967b6cc5e2ef66040210037db4ad60302a10bc1a8a9fe80ad982c406129f62d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e967b6cc5e2ef66040210037db4ad60302a10bc1a8a9fe80ad982c406129f62d", kill_on_drop: false }`
[INFO] [stdout] e967b6cc5e2ef66040210037db4ad60302a10bc1a8a9fe80ad982c406129f62d
