[INFO] fetching crate destruct-derive 0.1.2...
[INFO] testing destruct-derive-0.1.2 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate destruct-derive 0.1.2 into /workspace/builds/worker-107/source
[INFO] validating manifest of crates.io crate destruct-derive 0.1.2 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate destruct-derive 0.1.2
[INFO] finished tweaking crates.io crate destruct-derive 0.1.2
[INFO] tweaked toml for crates.io crate destruct-derive 0.1.2 written to /workspace/builds/worker-107/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 57ea17abbb1324e45443a8524351e11f19626a36d5c9afc3212dceeb5c50be12
[INFO] running `Command { std: "docker" "start" "-a" "57ea17abbb1324e45443a8524351e11f19626a36d5c9afc3212dceeb5c50be12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "57ea17abbb1324e45443a8524351e11f19626a36d5c9afc3212dceeb5c50be12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57ea17abbb1324e45443a8524351e11f19626a36d5c9afc3212dceeb5c50be12", kill_on_drop: false }`
[INFO] [stdout] 57ea17abbb1324e45443a8524351e11f19626a36d5c9afc3212dceeb5c50be12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3113b13851a32def917a1647d4b7bd5d4f0b915e5920309ac0e2a57ccb69ca47
[INFO] running `Command { std: "docker" "start" "-a" "3113b13851a32def917a1647d4b7bd5d4f0b915e5920309ac0e2a57ccb69ca47", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling destruct-derive v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `syn::export`
[INFO] [stdout]  --> src/lib.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | use syn::export::TokenStream2;
[INFO] [stdout]   |          ^^^^^^ could not find `export` in `syn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `destruct-derive` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "3113b13851a32def917a1647d4b7bd5d4f0b915e5920309ac0e2a57ccb69ca47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3113b13851a32def917a1647d4b7bd5d4f0b915e5920309ac0e2a57ccb69ca47", kill_on_drop: false }`
[INFO] [stdout] 3113b13851a32def917a1647d4b7bd5d4f0b915e5920309ac0e2a57ccb69ca47
