[INFO] fetching crate embeddir 0.1.1...
[INFO] testing embeddir-0.1.1 against 1.76.0 for beta-1.77-1
[INFO] extracting crate embeddir 0.1.1 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate embeddir 0.1.1 on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "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-tc1/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syn v1.0.12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5c1453279b0b2d6a2182b9ba53467be0630e166cd8b0edf354c1c1cd12485603
[INFO] running `Command { std: "docker" "start" "-a" "5c1453279b0b2d6a2182b9ba53467be0630e166cd8b0edf354c1c1cd12485603", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5c1453279b0b2d6a2182b9ba53467be0630e166cd8b0edf354c1c1cd12485603", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c1453279b0b2d6a2182b9ba53467be0630e166cd8b0edf354c1c1cd12485603", kill_on_drop: false }`
[INFO] [stdout] 5c1453279b0b2d6a2182b9ba53467be0630e166cd8b0edf354c1c1cd12485603
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a90f85397e118884ce71370ce122b4a1c77fabbd129cded73c4068b20eb75de8
[INFO] running `Command { std: "docker" "start" "-a" "a90f85397e118884ce71370ce122b4a1c77fabbd129cded73c4068b20eb75de8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.7
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[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 2.22s
[INFO] running `Command { std: "docker" "inspect" "a90f85397e118884ce71370ce122b4a1c77fabbd129cded73c4068b20eb75de8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a90f85397e118884ce71370ce122b4a1c77fabbd129cded73c4068b20eb75de8", kill_on_drop: false }`
[INFO] [stdout] a90f85397e118884ce71370ce122b4a1c77fabbd129cded73c4068b20eb75de8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 879307d4d4418afe68c97244737e533d2f9900f664de1180589c11523a0bbf3a
[INFO] running `Command { std: "docker" "start" "-a" "879307d4d4418afe68c97244737e533d2f9900f664de1180589c11523a0bbf3a", 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] [stdout] error[E0554]: `#![feature]` may not be used on the stable 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 1 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` (example "example") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "879307d4d4418afe68c97244737e533d2f9900f664de1180589c11523a0bbf3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "879307d4d4418afe68c97244737e533d2f9900f664de1180589c11523a0bbf3a", kill_on_drop: false }`
[INFO] [stdout] 879307d4d4418afe68c97244737e533d2f9900f664de1180589c11523a0bbf3a
