[INFO] fetching crate silkenweb-task 0.7.1...
[INFO] checking silkenweb-task-0.7.1 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate silkenweb-task 0.7.1 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate silkenweb-task 0.7.1 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate silkenweb-task 0.7.1
[INFO] finished tweaking crates.io crate silkenweb-task 0.7.1
[INFO] tweaked toml for crates.io crate silkenweb-task 0.7.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "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]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 98 packages
[INFO] [stderr]       Adding convert_case v0.4.0 (latest: v0.6.0)
[INFO] [stderr]       Adding cssparser v0.31.2 (latest: v0.33.0)
[INFO] [stderr]       Adding hashbrown v0.13.2 (latest: v0.14.3)
[INFO] [stderr]       Adding itertools v0.11.0 (latest: v0.12.1)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.34.0)
[INFO] [stderr]       Adding siphasher v0.3.11 (latest: v1.0.1)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded silkenweb-macros v0.7.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d6f4cc0c7196ea5f225ea97a34ade62eb5e5e922c15ce16cd53996dcc6d99766
[INFO] running `Command { std: "docker" "start" "-a" "d6f4cc0c7196ea5f225ea97a34ade62eb5e5e922c15ce16cd53996dcc6d99766", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d6f4cc0c7196ea5f225ea97a34ade62eb5e5e922c15ce16cd53996dcc6d99766", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6f4cc0c7196ea5f225ea97a34ade62eb5e5e922c15ce16cd53996dcc6d99766", kill_on_drop: false }`
[INFO] [stdout] d6f4cc0c7196ea5f225ea97a34ade62eb5e5e922c15ce16cd53996dcc6d99766
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e766480b291581fa72f44d45f8dd2e214b902c7d6aa0f093337519ffd0d49bda
[INFO] running `Command { std: "docker" "start" "-a" "e766480b291581fa72f44d45f8dd2e214b902c7d6aa0f093337519ffd0d49bda", kill_on_drop: false }`
[INFO] [stderr]    Compiling siphasher v0.3.11
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling zerocopy v0.7.32
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]    Compiling codemap v0.1.3
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling dtoa v1.0.9
[INFO] [stderr]    Compiling anyhow v1.0.81
[INFO] [stderr]    Compiling thiserror v1.0.58
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling either v1.10.0
[INFO] [stderr]    Compiling cssparser-macros v0.6.1
[INFO] [stderr]    Compiling itoa v1.0.11
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling clonelet v0.2.0
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking discard v1.0.4
[INFO] [stderr]    Compiling phf_shared v0.11.2
[INFO] [stderr]    Compiling dtoa-short v0.3.4
[INFO] [stderr]     Checking tokio v1.37.0
[INFO] [stderr]    Compiling itertools v0.11.0
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]    Compiling hashbrown v0.13.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking crossbeam-channel v0.5.12
[INFO] [stderr]     Checking crossbeam-queue v0.3.11
[INFO] [stderr]    Compiling getrandom v0.2.12
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling uuid v1.8.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]     Checking crossbeam v0.8.4
[INFO] [stderr]    Compiling lasso v0.7.2
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling gensym v0.1.1
[INFO] [stderr]    Compiling phf_generator v0.11.2
[INFO] [stderr]    Compiling phf_macros v0.11.2
[INFO] [stderr]    Compiling phf v0.11.2
[INFO] [stderr]    Compiling grass_compiler v0.13.2
[INFO] [stderr]    Compiling cssparser v0.31.2
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures-signals v0.3.33
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]    Compiling grass v0.13.2
[INFO] [stderr]    Compiling silkenweb-css v0.7.1
[INFO] [stderr]    Compiling silkenweb-macros v0.7.1
[INFO] [stderr]     Checking silkenweb-task v0.7.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.37s
[INFO] running `Command { std: "docker" "inspect" "e766480b291581fa72f44d45f8dd2e214b902c7d6aa0f093337519ffd0d49bda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e766480b291581fa72f44d45f8dd2e214b902c7d6aa0f093337519ffd0d49bda", kill_on_drop: false }`
[INFO] [stdout] e766480b291581fa72f44d45f8dd2e214b902c7d6aa0f093337519ffd0d49bda