[INFO] fetching crate compacts-dict 0.2.1...
[INFO] checking compacts-dict-0.2.1 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] extracting crate compacts-dict 0.2.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate compacts-dict 0.2.1 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate compacts-dict 0.2.1
[INFO] finished tweaking crates.io crate compacts-dict 0.2.1
[INFO] tweaked toml for crates.io crate compacts-dict 0.2.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded karabiner-thunk v0.1.0
[INFO] [stderr]   Downloaded itertools v0.6.5
[INFO] [stderr]   Downloaded compacts-bits v0.2.1
[INFO] [stderr]   Downloaded karabiner-onetime v0.1.0
[INFO] [stderr]   Downloaded compacts-prim v0.2.1
[INFO] [stderr]   Downloaded karabiner v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 19549dc97af3ba545191bd141c1e8812f462482134930622606b18646638ab90
[INFO] running `Command { std: "docker" "start" "-a" "19549dc97af3ba545191bd141c1e8812f462482134930622606b18646638ab90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "19549dc97af3ba545191bd141c1e8812f462482134930622606b18646638ab90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19549dc97af3ba545191bd141c1e8812f462482134930622606b18646638ab90", kill_on_drop: false }`
[INFO] [stdout] 19549dc97af3ba545191bd141c1e8812f462482134930622606b18646638ab90
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2d6a98dfa5078a295c59a4481d633aee633b2efaebe4a04e66c553c57f2a9721
[INFO] running `Command { std: "docker" "start" "-a" "2d6a98dfa5078a295c59a4481d633aee633b2efaebe4a04e66c553c57f2a9721", kill_on_drop: false }`
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking compacts-prim v0.2.1
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]     Checking itertools v0.6.5
[INFO] [stderr]     Checking libc v0.2.98
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking parking_lot_core v0.2.14
[INFO] [stderr]     Checking parking_lot v0.4.8
[INFO] [stderr]     Checking karabiner-onetime v0.1.0
[INFO] [stderr]     Checking karabiner-thunk v0.1.0
[INFO] [stdout] error[E0432]: unresolved import `std::boxed::FnBox`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/karabiner-thunk-0.1.0/src/lib.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::boxed::FnBox;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^ no `FnBox` in `boxed`
[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 `karabiner-thunk`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "2d6a98dfa5078a295c59a4481d633aee633b2efaebe4a04e66c553c57f2a9721", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d6a98dfa5078a295c59a4481d633aee633b2efaebe4a04e66c553c57f2a9721", kill_on_drop: false }`
[INFO] [stdout] 2d6a98dfa5078a295c59a4481d633aee633b2efaebe4a04e66c553c57f2a9721