[INFO] fetching crate ip-macro 0.1.0...
[INFO] testing ip-macro-0.1.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate ip-macro 0.1.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate ip-macro 0.1.0 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ip-macro 0.1.0
[INFO] finished tweaking crates.io crate ip-macro 0.1.0
[INFO] tweaked toml for crates.io crate ip-macro 0.1.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d4e54c6051c03e20474b5f71edd160c1ac4b4b7abab0fa96f381ad9c66201cb2
[INFO] running `Command { std: "docker" "start" "-a" "d4e54c6051c03e20474b5f71edd160c1ac4b4b7abab0fa96f381ad9c66201cb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d4e54c6051c03e20474b5f71edd160c1ac4b4b7abab0fa96f381ad9c66201cb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4e54c6051c03e20474b5f71edd160c1ac4b4b7abab0fa96f381ad9c66201cb2", kill_on_drop: false }`
[INFO] [stdout] d4e54c6051c03e20474b5f71edd160c1ac4b4b7abab0fa96f381ad9c66201cb2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8a0909027a2daa56ce620b73596d76be6e307cd8533dae1644d3349447fdce93
[INFO] running `Command { std: "docker" "start" "-a" "8a0909027a2daa56ce620b73596d76be6e307cd8533dae1644d3349447fdce93", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling ip-macro v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(proc_macro)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
[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 `ip-macro` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "8a0909027a2daa56ce620b73596d76be6e307cd8533dae1644d3349447fdce93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a0909027a2daa56ce620b73596d76be6e307cd8533dae1644d3349447fdce93", kill_on_drop: false }`
[INFO] [stdout] 8a0909027a2daa56ce620b73596d76be6e307cd8533dae1644d3349447fdce93