[INFO] fetching crate vitree 0.1.0... [INFO] testing vitree-0.1.0 against 1.90.0 for beta-1.91-3 [INFO] extracting crate vitree 0.1.0 into /workspace/builds/worker-7-tc1/source [INFO] started tweaking crates.io crate vitree 0.1.0 [INFO] finished tweaking crates.io crate vitree 0.1.0 [INFO] tweaked toml for crates.io crate vitree 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate vitree 0.1.0 on toolchain 1.90.0 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 53 packages to latest compatible versions [INFO] [stderr] Adding bitflags v1.3.2 (available: v2.9.4) [INFO] [stderr] Adding downcast-rs v1.2.1 (available: v2.0.2) [INFO] [stderr] Adding indexmap v1.9.3 (available: v2.11.4) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded observe v1.2.0 [INFO] [stderr] Downloaded no-panic v0.1.35 [INFO] [stderr] Downloaded enclose v1.2.1 [INFO] [stderr] Downloaded skima 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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6042be0191eb810b370a84aa215311751abcbc47c52b58933c81f989a15b1d69 [INFO] running `Command { std: "docker" "start" "-a" "6042be0191eb810b370a84aa215311751abcbc47c52b58933c81f989a15b1d69", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6042be0191eb810b370a84aa215311751abcbc47c52b58933c81f989a15b1d69", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6042be0191eb810b370a84aa215311751abcbc47c52b58933c81f989a15b1d69", kill_on_drop: false }` [INFO] [stdout] 6042be0191eb810b370a84aa215311751abcbc47c52b58933c81f989a15b1d69 [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a085906c50ca8be578f7af617ee9392e6fdfe848d7be4e3f9598b196fc0a9704 [INFO] running `Command { std: "docker" "start" "-a" "a085906c50ca8be578f7af617ee9392e6fdfe848d7be4e3f9598b196fc0a9704", kill_on_drop: false }` [INFO] [stderr] Compiling unicode-ident v1.0.19 [INFO] [stderr] Compiling wasm-bindgen-shared v0.2.104 [INFO] [stderr] Compiling rustversion v1.0.22 [INFO] [stderr] Compiling bumpalo v3.19.0 [INFO] [stderr] Compiling log v0.4.28 [INFO] [stderr] Compiling futures-core v0.3.31 [INFO] [stderr] Compiling futures-sink v0.3.31 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Compiling sharded-slab v0.1.7 [INFO] [stderr] Compiling futures-channel v0.3.31 [INFO] [stderr] Compiling proc-macro2 v1.0.101 [INFO] [stderr] Compiling thread_local v1.1.9 [INFO] [stderr] Compiling no-panic v0.1.35 [INFO] [stderr] Compiling slab v0.4.11 [INFO] [stderr] Compiling futures-io v0.3.31 [INFO] [stderr] Compiling futures-task v0.3.31 [INFO] [stderr] Compiling memchr v2.7.6 [INFO] [stderr] Compiling fxhash v0.2.1 [INFO] [stderr] Compiling quote v1.0.41 [INFO] [stderr] Compiling smallvec v1.15.1 [INFO] [stderr] Compiling enclose v1.2.1 [INFO] [stderr] Compiling hashbrown v0.12.3 [INFO] [stderr] Compiling downcast-rs v1.2.1 [INFO] [stderr] Compiling tracing-subscriber v0.3.20 [INFO] [stderr] Compiling wasm-bindgen v0.2.104 [INFO] [stderr] Compiling syn v2.0.106 [INFO] [stderr] Compiling castaway v0.2.4 [INFO] [stderr] Compiling by_address v1.2.1 [INFO] [stderr] Compiling wasm-bindgen-backend v0.2.104 [INFO] [stderr] Compiling tracing-attributes v0.1.30 [INFO] [stderr] Compiling futures-macro v0.3.31 [INFO] [stderr] Compiling futures-util v0.3.31 [INFO] [stderr] Compiling tracing v0.1.41 [INFO] [stderr] Compiling wasm-bindgen-macro-support v0.2.104 [INFO] [stderr] Compiling observe v1.2.0 [INFO] [stderr] Compiling wasm-bindgen-macro v0.2.104 [INFO] [stderr] Compiling js-sys v0.3.81 [INFO] [stderr] Compiling console_error_panic_hook v0.1.7 [INFO] [stderr] Compiling tracing-wasm v0.2.1 [INFO] [stderr] Compiling futures-executor v0.3.31 [INFO] [stderr] Compiling futures v0.3.31 [INFO] [stderr] Compiling web-sys v0.3.81 [INFO] [stderr] Compiling wasm-bindgen-futures v0.4.54 [INFO] [stderr] Compiling skima 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/skima-0.1.0/src/lib.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(associated_type_defaults)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [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/skima-0.1.0/src/lib.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(type_alias_impl_trait)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [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/skima-0.1.0/src/lib.rs:3:1 [INFO] [stdout] | [INFO] [stdout] 3 | #![feature(arbitrary_self_types)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [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/skima-0.1.0/src/lib.rs:4:1 [INFO] [stdout] | [INFO] [stdout] 4 | #![feature(core_intrinsics)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [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/skima-0.1.0/src/lib.rs:5:1 [INFO] [stdout] | [INFO] [stdout] 5 | #![feature(decl_macro)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [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/skima-0.1.0/src/lib.rs:6:1 [INFO] [stdout] | [INFO] [stdout] 6 | #![feature(unboxed_closures)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [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/skima-0.1.0/src/lib.rs:7:1 [INFO] [stdout] | [INFO] [stdout] 7 | #![feature(fn_traits)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [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/skima-0.1.0/src/lib.rs:8:1 [INFO] [stdout] | [INFO] [stdout] 8 | #![feature(tuple_trait)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: could not compile `skima` (lib) due to 8 previous errors; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "a085906c50ca8be578f7af617ee9392e6fdfe848d7be4e3f9598b196fc0a9704", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a085906c50ca8be578f7af617ee9392e6fdfe848d7be4e3f9598b196fc0a9704", kill_on_drop: false }` [INFO] [stdout] a085906c50ca8be578f7af617ee9392e6fdfe848d7be4e3f9598b196fc0a9704