[INFO] fetching crate mech-system 0.1.0... [INFO] building mech-system-0.1.0 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2 [INFO] extracting crate mech-system 0.1.0 into /workspace/builds/worker-2-tc1/source [INFO] started tweaking crates.io crate mech-system 0.1.0 [INFO] finished tweaking crates.io crate mech-system 0.1.0 [INFO] tweaked toml for crates.io crate mech-system 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate mech-system 0.1.0 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 81 packages to latest compatible versions [INFO] [stderr] Adding mech-core v0.1.0 (available: v0.2.59) [INFO] [stderr] Adding mech-utilities v0.1.0 (available: v0.2.2) [INFO] [stderr] Adding wasi v0.10.0+wasi-snapshot-preview1 (available: v0.10.2+wasi-snapshot-preview1) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 844dd723d19758b9eb1d52aa9b41fc4a3d43b324f390fe6b4ad8e37b907eb9e3 [INFO] running `Command { std: "docker" "start" "-a" "844dd723d19758b9eb1d52aa9b41fc4a3d43b324f390fe6b4ad8e37b907eb9e3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "844dd723d19758b9eb1d52aa9b41fc4a3d43b324f390fe6b4ad8e37b907eb9e3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "844dd723d19758b9eb1d52aa9b41fc4a3d43b324f390fe6b4ad8e37b907eb9e3", kill_on_drop: false }` [INFO] [stdout] 844dd723d19758b9eb1d52aa9b41fc4a3d43b324f390fe6b4ad8e37b907eb9e3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2e07a7479fb20c02b8070489ec037c2f493d9c1d1672c8f4486e5eea1cd47e83 [INFO] running `Command { std: "docker" "start" "-a" "2e07a7479fb20c02b8070489ec037c2f493d9c1d1672c8f4486e5eea1cd47e83", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v0.1.8 [INFO] [stderr] Compiling rand_core v0.4.2 [INFO] [stderr] Compiling proc-macro2 v1.0.101 [INFO] [stderr] Compiling quote v1.0.41 [INFO] [stderr] Compiling byte-tools v0.3.1 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Compiling serde_core v1.0.228 [INFO] [stderr] Compiling libm v0.2.15 [INFO] [stderr] Compiling matches v0.1.10 [INFO] [stderr] Compiling generic-array v0.12.4 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling opaque-debug v0.2.3 [INFO] [stderr] Compiling once_cell v1.21.3 [INFO] [stderr] Compiling serde v1.0.228 [INFO] [stderr] Compiling percent-encoding v1.0.1 [INFO] [stderr] Compiling safemem v0.3.3 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling block-padding v0.1.5 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling rand_jitter v0.1.4 [INFO] [stderr] Compiling idna v0.1.5 [INFO] [stderr] Compiling fake-simd v0.1.2 [INFO] [stderr] Compiling ahash v0.8.12 [INFO] [stderr] Compiling unicase v1.4.2 [INFO] [stderr] Compiling base64 v0.9.3 [INFO] [stderr] Compiling digest v0.8.1 [INFO] [stderr] Compiling block-buffer v0.7.3 [INFO] [stderr] Compiling time v0.1.45 [INFO] [stderr] Compiling mime v0.2.6 [INFO] [stderr] Compiling base64 v0.10.1 [INFO] [stderr] Compiling sha-1 v0.8.2 [INFO] [stderr] Compiling typeable v0.1.2 [INFO] [stderr] Compiling language-tags v0.2.2 [INFO] [stderr] Compiling traitobject v0.1.1 [INFO] [stderr] Compiling hashbrown v0.13.2 [INFO] [stderr] Compiling seahash v4.1.0 [INFO] [stderr] Compiling crossbeam-channel v0.5.15 [INFO] [stderr] Compiling url v1.7.2 [INFO] [stderr] Compiling syn v2.0.106 [INFO] [stderr] Compiling websocket-base v0.26.5 [INFO] [stderr] Compiling hyper v0.10.16 [INFO] [stderr] Compiling serde_derive v1.0.228 [INFO] [stderr] Compiling websocket v0.26.5 [INFO] [stderr] Compiling 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 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] [stdout] error[E0599]: no method named `drain_filter` found for struct `Vec>>` 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 = self.unscheduled_blocks.drain_filter(|b| b.borrow().state == BlockState::Ready).collect(); [INFO] [stdout] | ^^^^^^^^^^^^ method not found in `Vec>>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/mech-core-0.1.0/src/schedule.rs:41:77 [INFO] [stdout] | [INFO] [stdout] 41 | let ready_blocks: Vec = self.unscheduled_blocks.drain_filter(|b| b.borrow().state == BlockState::Ready).collect(); [INFO] [stdout] | ^ ------ type must be known at this point [INFO] [stdout] | [INFO] [stdout] help: consider giving this closure parameter an explicit type [INFO] [stdout] | [INFO] [stdout] 41 | let ready_blocks: Vec = self.unscheduled_blocks.drain_filter(|b: /* Type */| b.borrow().state == BlockState::Ready).collect(); [INFO] [stdout] | ++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/mech-core-0.1.0/src/schedule.rs:44:49 [INFO] [stdout] | [INFO] [stdout] 44 | let mut graph = BlockGraph::new(block_ref.clone()); [INFO] [stdout] | ^^^^^ cannot infer type [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `mech-core` (lib) due to 5 previous errors [INFO] [stdout] Some errors have detailed explanations: E0282, E0557, E0599, E0635. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0282`. [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "2e07a7479fb20c02b8070489ec037c2f493d9c1d1672c8f4486e5eea1cd47e83", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2e07a7479fb20c02b8070489ec037c2f493d9c1d1672c8f4486e5eea1cd47e83", kill_on_drop: false }` [INFO] [stdout] 2e07a7479fb20c02b8070489ec037c2f493d9c1d1672c8f4486e5eea1cd47e83