[INFO] fetching crate ext 0.0.3...
[INFO] checking ext-0.0.3 against 1.95.0 for pr-155915
[INFO] extracting crate ext 0.0.3 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate ext 0.0.3
[INFO] finished tweaking crates.io crate ext 0.0.3
[INFO] tweaked toml for crates.io crate ext 0.0.3 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ext 0.0.3 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] crate crates.io crate ext 0.0.3 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded no-std-compat2 v0.4.5
[INFO] [stderr]   Downloaded minstant v0.1.7
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 26397912fb5ceb31200f57c97fd259c92dc985a8e3413b67277f89462c860064
[INFO] running `Command { std: "docker" "start" "-a" "26397912fb5ceb31200f57c97fd259c92dc985a8e3413b67277f89462c860064", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "26397912fb5ceb31200f57c97fd259c92dc985a8e3413b67277f89462c860064", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26397912fb5ceb31200f57c97fd259c92dc985a8e3413b67277f89462c860064", kill_on_drop: false }`
[INFO] [stdout] 26397912fb5ceb31200f57c97fd259c92dc985a8e3413b67277f89462c860064
[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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 76536073786b0bbd0a53a2fc6293a6872970c5a46372c67254808e6b28a3aa35
[INFO] running `Command { std: "docker" "start" "-a" "76536073786b0bbd0a53a2fc6293a6872970c5a46372c67254808e6b28a3aa35", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.27
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking itertools v0.14.0
[INFO] [stderr]    Compiling quote v1.0.44
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling no-std-compat2 v0.4.5
[INFO] [stderr]    Compiling ctor v0.1.26
[INFO] [stderr]     Checking minstant v0.1.7
[INFO] [stderr]     Checking ext v0.0.3 (/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(impl_trait_in_assoc_type)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `proc`
[INFO] [stdout]  --> src/no_std/macros/mod.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[cfg(feature = "proc")]
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected values for `feature` are: `async`, `default`, `full`, `minstant`, `paral`, `rayon`, `std`, and `tokio`
[INFO] [stdout]   = help: consider adding `proc` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[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(impl_trait_in_assoc_type)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `proc`
[INFO] [stdout]  --> src/no_std/macros/mod.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[cfg(feature = "proc")]
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected values for `feature` are: `async`, `default`, `full`, `minstant`, `paral`, `rayon`, `std`, and `tokio`
[INFO] [stdout]   = help: consider adding `proc` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ext` (lib test) due to 1 previous error; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ext` (lib) due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "76536073786b0bbd0a53a2fc6293a6872970c5a46372c67254808e6b28a3aa35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76536073786b0bbd0a53a2fc6293a6872970c5a46372c67254808e6b28a3aa35", kill_on_drop: false }`
[INFO] [stdout] 76536073786b0bbd0a53a2fc6293a6872970c5a46372c67254808e6b28a3aa35
