[INFO] crate weft 0.1.0 is already in cache
[INFO] extracting crate weft 0.1.0 into work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/reg/weft/0.1.0
[INFO] extracting crate weft 0.1.0 into work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/reg/weft/0.1.0
[INFO] validating manifest of weft-0.1.0 on toolchain master#c43d03a19f326f4a323569328cc501e86eb6d22e
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of weft-0.1.0 on toolchain try#75eff020d0923c035c2fe220db4a0465cd847048
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing weft-0.1.0
[INFO] finished frobbing weft-0.1.0
[INFO] frobbed toml for weft-0.1.0 written to work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/reg/weft/0.1.0/Cargo.toml
[INFO] started frobbing weft-0.1.0
[INFO] finished frobbing weft-0.1.0
[INFO] frobbed toml for weft-0.1.0 written to work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/reg/weft/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking weft-0.1.0 against master#c43d03a19f326f4a323569328cc501e86eb6d22e for pr-63565
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63565/worker-3/master#c43d03a19f326f4a323569328cc501e86eb6d22e:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/reg/weft/0.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] dcd7af5f35604eb6cc1c9f51e0704d1c7590a39483a0b7cb4dc69f470bc61fb6
[INFO] running `"docker" "start" "-a" "dcd7af5f35604eb6cc1c9f51e0704d1c7590a39483a0b7cb4dc69f470bc61fb6"`
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling string_cache_shared v0.3.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling mac v0.1.1
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.3
[INFO] [stderr]    Compiling procedural-masquerade v0.1.6
[INFO] [stderr]    Compiling utf-8 v0.7.5
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling smallvec v0.6.10
[INFO] [stderr]    Compiling stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling thin-slice v0.1.1
[INFO] [stderr]    Compiling dtoa-short v0.3.2
[INFO] [stderr]    Compiling futf v0.1.4
[INFO] [stderr]     Checking phf_shared v0.7.24
[INFO] [stderr]    Compiling servo_arc v0.1.1
[INFO] [stderr]    Compiling serde v1.0.99
[INFO] [stderr]     Checking phf v0.7.24
[INFO] [stderr]    Compiling tendril v0.4.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling string_cache_codegen v0.4.2
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling selectors v0.21.0
[INFO] [stderr]    Compiling string_cache v0.7.3
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling serde_derive v1.0.99
[INFO] [stderr]    Compiling cssparser v0.25.9
[INFO] [stderr]    Compiling cssparser-macros v0.3.6
[INFO] [stderr]    Compiling serde_json v1.0.40
[INFO] [stderr]    Compiling html5ever v0.23.0
[INFO] [stderr]    Compiling html5ever v0.24.0
[INFO] [stderr]    Compiling html5ever v0.22.5
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling markup5ever v0.8.1
[INFO] [stderr]    Compiling markup5ever v0.9.0
[INFO] [stderr]    Compiling markup5ever v0.7.5
[INFO] [stderr]    Compiling kuchiki v0.7.3
[INFO] [stderr]    Compiling weft_derive v0.1.1
[INFO] [stderr]     Checking weft v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::iter`
[INFO] [stderr]  --> src/template.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::iter;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::iter`
[INFO] [stderr]  --> src/template.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::iter;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `weft`
[INFO] [stderr]  --> tests/canary.rs:8:10
[INFO] [stderr]   |
[INFO] [stderr] 8 | #[derive(WeftRenderable)]
[INFO] [stderr]   |          ^^^^^^^^^^^^^^ could not find `prelude` in `weft`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `weft`
[INFO] [stderr]   --> tests/canary.rs:28:14
[INFO] [stderr]    |
[INFO] [stderr] 28 |     #[derive(WeftRenderable)]
[INFO] [stderr]    |              ^^^^^^^^^^^^^^ could not find `prelude` in `weft`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `weft`
[INFO] [stderr]   --> tests/canary.rs:57:10
[INFO] [stderr]    |
[INFO] [stderr] 57 | #[derive(WeftRenderable)]
[INFO] [stderr]    |          ^^^^^^^^^^^^^^ could not find `prelude` in `weft`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `weft`
[INFO] [stderr]   --> tests/canary.rs:75:10
[INFO] [stderr]    |
[INFO] [stderr] 75 | #[derive(WeftRenderable)]
[INFO] [stderr]    |          ^^^^^^^^^^^^^^ could not find `prelude` in `weft`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `weft`
[INFO] [stderr]   --> tests/canary.rs:96:10
[INFO] [stderr]    |
[INFO] [stderr] 96 | #[derive(WeftRenderable)]
[INFO] [stderr]    |          ^^^^^^^^^^^^^^ could not find `prelude` in `weft`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `weft`
[INFO] [stderr]    --> tests/canary.rs:119:10
[INFO] [stderr]     |
[INFO] [stderr] 119 | #[derive(WeftRenderable)]
[INFO] [stderr]     |          ^^^^^^^^^^^^^^ could not find `prelude` in `weft`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `weft`
[INFO] [stderr]    --> tests/canary.rs:156:10
[INFO] [stderr]     |
[INFO] [stderr] 156 | #[derive(WeftRenderable)]
[INFO] [stderr]     |          ^^^^^^^^^^^^^^ could not find `prelude` in `weft`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `weft`
[INFO] [stderr]    --> tests/canary.rs:179:10
[INFO] [stderr]     |
[INFO] [stderr] 179 | #[derive(WeftRenderable)]
[INFO] [stderr]     |          ^^^^^^^^^^^^^^ could not find `prelude` in `weft`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `weft`
[INFO] [stderr]    --> tests/canary.rs:207:14
[INFO] [stderr]     |
[INFO] [stderr] 207 |     #[derive(WeftRenderable)]
[INFO] [stderr]     |              ^^^^^^^^^^^^^^ could not find `prelude` in `weft`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `weft`
[INFO] [stderr]    --> tests/canary.rs:225:14
[INFO] [stderr]     |
[INFO] [stderr] 225 |     #[derive(WeftRenderable)]
[INFO] [stderr]     |              ^^^^^^^^^^^^^^ could not find `prelude` in `weft`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `weft`
[INFO] [stderr]    --> tests/canary.rs:243:14
[INFO] [stderr]     |
[INFO] [stderr] 243 |     #[derive(WeftRenderable)]
[INFO] [stderr]     |              ^^^^^^^^^^^^^^ could not find `prelude` in `weft`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `weft`
[INFO] [stderr]    --> tests/canary.rs:261:14
[INFO] [stderr]     |
[INFO] [stderr] 261 |     #[derive(WeftRenderable)]
[INFO] [stderr]     |              ^^^^^^^^^^^^^^ could not find `prelude` in `weft`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 12 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0432`.
[INFO] [stderr] error: Could not compile `weft`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "dcd7af5f35604eb6cc1c9f51e0704d1c7590a39483a0b7cb4dc69f470bc61fb6"`
[INFO] running `"docker" "rm" "-f" "dcd7af5f35604eb6cc1c9f51e0704d1c7590a39483a0b7cb4dc69f470bc61fb6"`
[INFO] [stdout] dcd7af5f35604eb6cc1c9f51e0704d1c7590a39483a0b7cb4dc69f470bc61fb6