[INFO] fetching crate weft 0.1.0...
[INFO] checking weft-0.1.0 against beta-2021-10-15 for beta-1.56-3
[INFO] extracting crate weft 0.1.0 into /workspace/builds/worker-51/source
[INFO] validating manifest of crates.io crate weft 0.1.0 on toolchain beta-2021-10-15
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate weft 0.1.0
[INFO] finished tweaking crates.io crate weft 0.1.0
[INFO] tweaked toml for crates.io crate weft 0.1.0 written to /workspace/builds/worker-51/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 043fccf3c5a06a35bd3910c64bfc5235359314c349e0d4fff4dc26fcaad14b06
[INFO] running `Command { std: "docker" "start" "-a" "043fccf3c5a06a35bd3910c64bfc5235359314c349e0d4fff4dc26fcaad14b06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "043fccf3c5a06a35bd3910c64bfc5235359314c349e0d4fff4dc26fcaad14b06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "043fccf3c5a06a35bd3910c64bfc5235359314c349e0d4fff4dc26fcaad14b06", kill_on_drop: false }`
[INFO] [stdout] 043fccf3c5a06a35bd3910c64bfc5235359314c349e0d4fff4dc26fcaad14b06
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 578e1d7ecbbf58960db039127f569469a10e59134e382022dd3bbbde59d81c9d
[INFO] running `Command { std: "docker" "start" "-a" "578e1d7ecbbf58960db039127f569469a10e59134e382022dd3bbbde59d81c9d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]    Compiling string_cache_shared v0.3.0
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
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[INFO] [stderr]    Compiling mac v0.1.1
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[INFO] [stderr]    Compiling dtoa v0.4.8
[INFO] [stderr]    Compiling procedural-masquerade v0.1.7
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[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling matches v0.1.9
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling gimli v0.25.0
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[INFO] [stderr]    Compiling rustc-demangle v0.1.21
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[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling ryu v1.0.5
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[INFO] [stderr]     Checking phf_shared v0.7.24
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[INFO] [stderr]    Compiling servo_arc v0.1.1
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[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling addr2line v0.16.0
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[INFO] [stderr]    Compiling selectors v0.21.0
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[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling cssparser v0.25.9
[INFO] [stderr]    Compiling cssparser-macros v0.3.6
[INFO] [stderr]    Compiling html5ever v0.24.1
[INFO] [stderr]    Compiling html5ever v0.23.0
[INFO] [stderr]    Compiling html5ever v0.22.5
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling markup5ever v0.8.1
[INFO] [stderr]    Compiling markup5ever v0.9.0
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[INFO] [stderr]    Compiling kuchiki v0.7.3
[INFO] [stderr]    Compiling weft_derive v0.1.1
[INFO] [stderr]     Checking weft v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::iter`
[INFO] [stdout]  --> src/template.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::iter;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::iter`
[INFO] [stdout]  --> src/template.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::iter;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `weft`
[INFO] [stdout]  --> tests/canary.rs:8:10
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[derive(WeftRenderable)]
[INFO] [stdout]   |          ^^^^^^^^^^^^^^ could not find `prelude` in `weft`
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `WeftRenderable` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `weft`
[INFO] [stdout]   --> tests/canary.rs:28:14
[INFO] [stdout]    |
[INFO] [stdout] 28 |     #[derive(WeftRenderable)]
[INFO] [stdout]    |              ^^^^^^^^^^^^^^ could not find `prelude` in `weft`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `WeftRenderable` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `weft`
[INFO] [stdout]   --> tests/canary.rs:57:10
[INFO] [stdout]    |
[INFO] [stdout] 57 | #[derive(WeftRenderable)]
[INFO] [stdout]    |          ^^^^^^^^^^^^^^ could not find `prelude` in `weft`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `WeftRenderable` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `weft`
[INFO] [stdout]   --> tests/canary.rs:75:10
[INFO] [stdout]    |
[INFO] [stdout] 75 | #[derive(WeftRenderable)]
[INFO] [stdout]    |          ^^^^^^^^^^^^^^ could not find `prelude` in `weft`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `WeftRenderable` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `weft`
[INFO] [stdout]   --> tests/canary.rs:96:10
[INFO] [stdout]    |
[INFO] [stdout] 96 | #[derive(WeftRenderable)]
[INFO] [stdout]    |          ^^^^^^^^^^^^^^ could not find `prelude` in `weft`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `WeftRenderable` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `weft`
[INFO] [stdout]    --> tests/canary.rs:119:10
[INFO] [stdout]     |
[INFO] [stdout] 119 | #[derive(WeftRenderable)]
[INFO] [stdout]     |          ^^^^^^^^^^^^^^ could not find `prelude` in `weft`
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the derive macro `WeftRenderable` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `weft`
[INFO] [stdout]    --> tests/canary.rs:156:10
[INFO] [stdout]     |
[INFO] [stdout] 156 | #[derive(WeftRenderable)]
[INFO] [stdout]     |          ^^^^^^^^^^^^^^ could not find `prelude` in `weft`
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the derive macro `WeftRenderable` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `weft`
[INFO] [stdout]    --> tests/canary.rs:179:10
[INFO] [stdout]     |
[INFO] [stdout] 179 | #[derive(WeftRenderable)]
[INFO] [stdout]     |          ^^^^^^^^^^^^^^ could not find `prelude` in `weft`
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the derive macro `WeftRenderable` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `weft`
[INFO] [stdout]    --> tests/canary.rs:207:14
[INFO] [stdout]     |
[INFO] [stdout] 207 |     #[derive(WeftRenderable)]
[INFO] [stdout]     |              ^^^^^^^^^^^^^^ could not find `prelude` in `weft`
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the derive macro `WeftRenderable` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `weft`
[INFO] [stdout]    --> tests/canary.rs:225:14
[INFO] [stdout]     |
[INFO] [stdout] 225 |     #[derive(WeftRenderable)]
[INFO] [stdout]     |              ^^^^^^^^^^^^^^ could not find `prelude` in `weft`
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the derive macro `WeftRenderable` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `weft`
[INFO] [stdout]    --> tests/canary.rs:243:14
[INFO] [stdout]     |
[INFO] [stdout] 243 |     #[derive(WeftRenderable)]
[INFO] [stdout]     |              ^^^^^^^^^^^^^^ could not find `prelude` in `weft`
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the derive macro `WeftRenderable` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `weft`
[INFO] [stdout]    --> tests/canary.rs:261:14
[INFO] [stdout]     |
[INFO] [stdout] 261 |     #[derive(WeftRenderable)]
[INFO] [stdout]     |              ^^^^^^^^^^^^^^ could not find `prelude` in `weft`
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the derive macro `WeftRenderable` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `weft` due to 13 previous errors
[INFO] [stdout] error: aborting due to 12 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "578e1d7ecbbf58960db039127f569469a10e59134e382022dd3bbbde59d81c9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "578e1d7ecbbf58960db039127f569469a10e59134e382022dd3bbbde59d81c9d", kill_on_drop: false }`
[INFO] [stdout] 578e1d7ecbbf58960db039127f569469a10e59134e382022dd3bbbde59d81c9d
