[INFO] fetching crate minicdn_macros 0.2.1...
[INFO] testing minicdn_macros-0.2.1 against 1.75.0 for beta-1.76-1
[INFO] extracting crate minicdn_macros 0.2.1 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate minicdn_macros 0.2.1 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate minicdn_macros 0.2.1
[INFO] finished tweaking crates.io crate minicdn_macros 0.2.1
[INFO] tweaked toml for crates.io crate minicdn_macros 0.2.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded minicdn_core v0.2.0
[INFO] [stderr]   Downloaded sha256 v1.5.0
[INFO] [stderr]   Downloaded webp v0.2.6
[INFO] [stderr]   Downloaded libwebp-sys v0.9.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 863b6419cd6c83b4e8a648870239e9906696c5943e90c583babd4cfab01eab28
[INFO] running `Command { std: "docker" "start" "-a" "863b6419cd6c83b4e8a648870239e9906696c5943e90c583babd4cfab01eab28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "863b6419cd6c83b4e8a648870239e9906696c5943e90c583babd4cfab01eab28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "863b6419cd6c83b4e8a648870239e9906696c5943e90c583babd4cfab01eab28", kill_on_drop: false }`
[INFO] [stdout] 863b6419cd6c83b4e8a648870239e9906696c5943e90c583babd4cfab01eab28
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 90e47febf3dc01f6f40b46689a729c6bb1c4c1440f4fdfc843b1a50eb6142a3f
[INFO] running `Command { std: "docker" "start" "-a" "90e47febf3dc01f6f40b46689a729c6bb1c4c1440f4fdfc843b1a50eb6142a3f", kill_on_drop: false }`
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling base64 v0.13.1
[INFO] [stderr]    Compiling litrs v0.2.3
[INFO] [stderr]    Compiling walkdir v2.4.0
[INFO] [stderr]    Compiling minicdn_core v0.2.0
[INFO] [stderr]    Compiling minicdn_macros v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(proc_macro_span)]
[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 `minicdn_macros` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "90e47febf3dc01f6f40b46689a729c6bb1c4c1440f4fdfc843b1a50eb6142a3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90e47febf3dc01f6f40b46689a729c6bb1c4c1440f4fdfc843b1a50eb6142a3f", kill_on_drop: false }`
[INFO] [stdout] 90e47febf3dc01f6f40b46689a729c6bb1c4c1440f4fdfc843b1a50eb6142a3f
