[INFO] fetching crate nullable 0.0.1...
[INFO] testing nullable-0.0.1 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate nullable 0.0.1 into /workspace/builds/worker-19/source
[INFO] validating manifest of crates.io crate nullable 0.0.1 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nullable 0.0.1
[INFO] finished tweaking crates.io crate nullable 0.0.1
[INFO] tweaked toml for crates.io crate nullable 0.0.1 written to /workspace/builds/worker-19/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 929e32324c995f6e0cfed6a142a6458f81cd4030865be7c6214d3d66e346c17c
[INFO] running `Command { std: "docker" "start" "-a" "929e32324c995f6e0cfed6a142a6458f81cd4030865be7c6214d3d66e346c17c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "929e32324c995f6e0cfed6a142a6458f81cd4030865be7c6214d3d66e346c17c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "929e32324c995f6e0cfed6a142a6458f81cd4030865be7c6214d3d66e346c17c", kill_on_drop: false }`
[INFO] [stdout] 929e32324c995f6e0cfed6a142a6458f81cd4030865be7c6214d3d66e346c17c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 827644a34154c5088a097068359d5b10d01d98c6dc3da1569a7e05c26759d9c1
[INFO] running `Command { std: "docker" "start" "-a" "827644a34154c5088a097068359d5b10d01d98c6dc3da1569a7e05c26759d9c1", kill_on_drop: false }`
[INFO] [stderr]    Compiling nullable v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `std::kinds`
[INFO] [stdout]  --> src/lib.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::kinds::marker;
[INFO] [stdout]   |          ^^^^^ could not find `kinds` in `std`
[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 `nullable` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "827644a34154c5088a097068359d5b10d01d98c6dc3da1569a7e05c26759d9c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "827644a34154c5088a097068359d5b10d01d98c6dc3da1569a7e05c26759d9c1", kill_on_drop: false }`
[INFO] [stdout] 827644a34154c5088a097068359d5b10d01d98c6dc3da1569a7e05c26759d9c1