[INFO] fetching crate embeddir 0.1.1...
[INFO] testing embeddir-0.1.1 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate embeddir 0.1.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate embeddir 0.1.1 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate embeddir 0.1.1
[INFO] finished tweaking crates.io crate embeddir 0.1.1
[INFO] tweaked toml for crates.io crate embeddir 0.1.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate embeddir 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d824efba109b5bd10afc6c8364c6ab5d4590a65c032217bfc688ba3d49e47772
[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" "d824efba109b5bd10afc6c8364c6ab5d4590a65c032217bfc688ba3d49e47772", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d824efba109b5bd10afc6c8364c6ab5d4590a65c032217bfc688ba3d49e47772", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d824efba109b5bd10afc6c8364c6ab5d4590a65c032217bfc688ba3d49e47772", kill_on_drop: false }`
[INFO] [stdout] d824efba109b5bd10afc6c8364c6ab5d4590a65c032217bfc688ba3d49e47772
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3d5cf9ab29c50b16f8d3e2cd861f6c252a51b0bcc96bdc3720482f2f8da46b8d
[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" "3d5cf9ab29c50b16f8d3e2cd861f6c252a51b0bcc96bdc3720482f2f8da46b8d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.7
[INFO] [stderr]    Compiling syn v1.0.12
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling embeddir v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.71s
[INFO] running `Command { std: "docker" "inspect" "3d5cf9ab29c50b16f8d3e2cd861f6c252a51b0bcc96bdc3720482f2f8da46b8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d5cf9ab29c50b16f8d3e2cd861f6c252a51b0bcc96bdc3720482f2f8da46b8d", kill_on_drop: false }`
[INFO] [stdout] 3d5cf9ab29c50b16f8d3e2cd861f6c252a51b0bcc96bdc3720482f2f8da46b8d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 111c501e494b300bd821e43f1f3e52e671d800f87d55bb9169ee45904cd09dcd
[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" "111c501e494b300bd821e43f1f3e52e671d800f87d55bb9169ee45904cd09dcd", kill_on_drop: false }`
[INFO] [stderr]    Compiling embeddir v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> examples/example.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(proc_macro_hygiene)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `embeddir` 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" "111c501e494b300bd821e43f1f3e52e671d800f87d55bb9169ee45904cd09dcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "111c501e494b300bd821e43f1f3e52e671d800f87d55bb9169ee45904cd09dcd", kill_on_drop: false }`
[INFO] [stdout] 111c501e494b300bd821e43f1f3e52e671d800f87d55bb9169ee45904cd09dcd
