[INFO] fetching crate pebble-skip 0.0.1...
[INFO] testing pebble-skip-0.0.1 against 1.95.0 for beta-1.96-2
[INFO] extracting crate pebble-skip 0.0.1 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate pebble-skip 0.0.1
[INFO] finished tweaking crates.io crate pebble-skip 0.0.1
[INFO] tweaked toml for crates.io crate pebble-skip 0.0.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate pebble-skip 0.0.1 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 3 packages to latest compatible versions
[INFO] [stderr]       Adding debugless-unwrap v0.0.4 (available: v1.0.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded debugless-unwrap v0.0.4
[INFO] [stderr]   Downloaded pebble-sys v0.0.1
[INFO] [stderr]   Downloaded unsafe_unwrap v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 742bb3bd6409a6659738e57aee54b2ad565d690b2a288af97f0883c20fb8130f
[INFO] running `Command { std: "docker" "start" "-a" "742bb3bd6409a6659738e57aee54b2ad565d690b2a288af97f0883c20fb8130f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "742bb3bd6409a6659738e57aee54b2ad565d690b2a288af97f0883c20fb8130f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "742bb3bd6409a6659738e57aee54b2ad565d690b2a288af97f0883c20fb8130f", kill_on_drop: false }`
[INFO] [stdout] 742bb3bd6409a6659738e57aee54b2ad565d690b2a288af97f0883c20fb8130f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b067450b7320609bc81e493a1f56bf366d9f9b28c578737828d42565f10f9120
[INFO] running `Command { std: "docker" "start" "-a" "b067450b7320609bc81e493a1f56bf366d9f9b28c578737828d42565f10f9120", kill_on_drop: false }`
[INFO] [stderr]    Compiling debugless-unwrap v0.0.4
[INFO] [stderr]    Compiling pebble-sys v0.0.1
[INFO] [stderr]    Compiling unsafe_unwrap v0.1.0
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/pebble-sys-0.0.1/src/lib.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | #![feature(extern_types)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `window::Window` cannot be known
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/pebble-sys-0.0.1/src/lib.rs:360:19
[INFO] [stdout]     |
[INFO] [stdout] 360 |                 type Target = Window;
[INFO] [stdout]     |                               ^^^^^^ doesn't have a known size
[INFO] [stdout]     |
[INFO] [stdout]     = help: the nightly-only, unstable trait `MetaSized` is not implemented for `window::Window`
[INFO] [stdout] note: required by a bound in `core::ops::Deref::Target`
[INFO] [stdout]    --> /rustc/59807616e1fa2540724bfbac14d7976d7e4a3860/library/core/src/ops/deref.rs:144:4
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pebble-sys` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "b067450b7320609bc81e493a1f56bf366d9f9b28c578737828d42565f10f9120", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b067450b7320609bc81e493a1f56bf366d9f9b28c578737828d42565f10f9120", kill_on_drop: false }`
[INFO] [stdout] b067450b7320609bc81e493a1f56bf366d9f9b28c578737828d42565f10f9120
