[INFO] fetching crate yui_derive 0.1.6...
[INFO] checking yui_derive-0.1.6 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate yui_derive 0.1.6 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate yui_derive 0.1.6
[INFO] finished tweaking crates.io crate yui_derive 0.1.6
[INFO] tweaked toml for crates.io crate yui_derive 0.1.6 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate yui_derive 0.1.6 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 7 packages to latest compatible versions
[INFO] [stderr]       Adding heck v0.3.3 (available: v0.5.0)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.104)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b585e6db4d7d06eac2088ce0a40f8a8fb888fe4e4d37695d2c2570bd314ebdc9
[INFO] running `Command { std: "docker" "start" "-a" "b585e6db4d7d06eac2088ce0a40f8a8fb888fe4e4d37695d2c2570bd314ebdc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b585e6db4d7d06eac2088ce0a40f8a8fb888fe4e4d37695d2c2570bd314ebdc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b585e6db4d7d06eac2088ce0a40f8a8fb888fe4e4d37695d2c2570bd314ebdc9", kill_on_drop: false }`
[INFO] [stdout] b585e6db4d7d06eac2088ce0a40f8a8fb888fe4e4d37695d2c2570bd314ebdc9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 72d14def6f55873b210a08dab7455cc894565341e8c16e6b4844f17be2c42b9f
[INFO] running `Command { std: "docker" "start" "-a" "72d14def6f55873b210a08dab7455cc894565341e8c16e6b4844f17be2c42b9f", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-ident v1.0.18
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking unicode-segmentation v1.12.0
[INFO] [stderr]     Checking proc-macro2 v1.0.95
[INFO] [stderr]     Checking quote v1.0.40
[INFO] [stderr]     Checking heck v0.3.3
[INFO] [stderr]     Checking yui_internal v0.1.5
[INFO] [stdout] error[E0433]: failed to resolve: could not find `export` in `syn`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/yui_internal-0.1.5/src/helper.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | use syn::export::fmt::Display;
[INFO] [stdout]   |          ^^^^^^ could not find `export` in `syn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `yui_internal` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "72d14def6f55873b210a08dab7455cc894565341e8c16e6b4844f17be2c42b9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72d14def6f55873b210a08dab7455cc894565341e8c16e6b4844f17be2c42b9f", kill_on_drop: false }`
[INFO] [stdout] 72d14def6f55873b210a08dab7455cc894565341e8c16e6b4844f17be2c42b9f