[INFO] fetching crate mech-html 0.1.0...
[INFO] checking mech-html-0.1.0 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1
[INFO] extracting crate mech-html 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate mech-html 0.1.0
[INFO] finished tweaking crates.io crate mech-html 0.1.0
[INFO] tweaked toml for crates.io crate mech-html 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mech-html 0.1.0 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 58 packages to latest compatible versions
[INFO] [stderr]       Adding base64 v0.20.0 (available: v0.22.1)
[INFO] [stderr]       Adding bincode v1.3.3 (available: v2.0.1)
[INFO] [stderr]       Adding hashbrown v0.13.2 (available: v0.15.5)
[INFO] [stderr]       Adding mech-core v0.1.0 (available: v0.2.58)
[INFO] [stderr]       Adding mech-utilities v0.1.0 (available: v0.2.2)
[INFO] [stderr]       Adding miniz_oxide v0.6.2 (available: v0.8.9)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7612e0f3c59cafa5645325fd899fd029be8b893030f494e02a584e3939573245
[INFO] running `Command { std: "docker" "start" "-a" "7612e0f3c59cafa5645325fd899fd029be8b893030f494e02a584e3939573245", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7612e0f3c59cafa5645325fd899fd029be8b893030f494e02a584e3939573245", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7612e0f3c59cafa5645325fd899fd029be8b893030f494e02a584e3939573245", kill_on_drop: false }`
[INFO] [stdout] 7612e0f3c59cafa5645325fd899fd029be8b893030f494e02a584e3939573245
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 45d3cc93175a67b1736fbe8be8a0910b62ea6aef4ebd91a9ef9ddf025b174760
[INFO] running `Command { std: "docker" "start" "-a" "45d3cc93175a67b1736fbe8be8a0910b62ea6aef4ebd91a9ef9ddf025b174760", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.100
[INFO] [stderr]     Checking once_cell v1.21.3
[INFO] [stderr]     Checking cfg-if v1.0.3
[INFO] [stderr]    Compiling bumpalo v3.19.0
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling rustversion v1.0.22
[INFO] [stderr]    Compiling zerocopy v0.8.26
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]    Compiling wasm-bindgen v0.2.100
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling libm v0.2.15
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking seahash v4.1.0
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking base64 v0.20.0
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]     Checking miniz_oxide v0.6.2
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]     Checking crossbeam-channel v0.5.15
[INFO] [stderr]     Checking hashbrown v0.13.2
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.100
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling wasm-bindgen-test-macro v0.3.50
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.100
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.100
[INFO] [stderr]     Checking mech-core v0.1.0
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/mech-core-0.1.0/src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(concat_idents)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: removed in 1.90.0; see <https://github.com/rust-lang/rust/pull/142704> for more information
[INFO] [stdout]   = note: use the `${concat(..)}` metavariable expression instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `drain_filter`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/mech-core-0.1.0/src/lib.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(drain_filter)]
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking js-sys v0.3.77
[INFO] [stdout] error[E0599]: no method named `drain_filter` found for struct `Vec<std::rc::Rc<std::cell::RefCell<block::Block>>>` in the current scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/mech-core-0.1.0/src/schedule.rs:41:63
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let ready_blocks: Vec<BlockRef> = self.unscheduled_blocks.drain_filter(|b| b.borrow().state == BlockState::Ready).collect();
[INFO] [stdout]    |                                                               ^^^^^^^^^^^^ method not found in `Vec<std::rc::Rc<std::cell::RefCell<block::Block>>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0557, E0599, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr]     Checking wasm-bindgen-futures v0.4.50
[INFO] [stderr]     Checking web-sys v0.3.77
[INFO] [stderr] error: could not compile `mech-core` (lib) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "45d3cc93175a67b1736fbe8be8a0910b62ea6aef4ebd91a9ef9ddf025b174760", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45d3cc93175a67b1736fbe8be8a0910b62ea6aef4ebd91a9ef9ddf025b174760", kill_on_drop: false }`
[INFO] [stdout] 45d3cc93175a67b1736fbe8be8a0910b62ea6aef4ebd91a9ef9ddf025b174760