[INFO] fetching crate nullable 0.0.1...
[INFO] testing nullable-0.0.1 against 1.59.0 for beta-1.60-1
[INFO] extracting crate nullable 0.0.1 into /workspace/builds/worker-59/source
[INFO] validating manifest of crates.io crate nullable 0.0.1 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-59/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6dd8a6438a1c1e5c88be12e05d6aa9eda6bed1b254ddb8b085bd2cc4c386e79a
[INFO] running `Command { std: "docker" "start" "-a" "6dd8a6438a1c1e5c88be12e05d6aa9eda6bed1b254ddb8b085bd2cc4c386e79a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6dd8a6438a1c1e5c88be12e05d6aa9eda6bed1b254ddb8b085bd2cc4c386e79a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6dd8a6438a1c1e5c88be12e05d6aa9eda6bed1b254ddb8b085bd2cc4c386e79a", kill_on_drop: false }`
[INFO] [stdout] 6dd8a6438a1c1e5c88be12e05d6aa9eda6bed1b254ddb8b085bd2cc4c386e79a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 151ff69e4c36840f409a4b0755c4a22fd1afc4da330eae307c9967255c194364
[INFO] running `Command { std: "docker" "start" "-a" "151ff69e4c36840f409a4b0755c4a22fd1afc4da330eae307c9967255c194364", 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" "151ff69e4c36840f409a4b0755c4a22fd1afc4da330eae307c9967255c194364", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "151ff69e4c36840f409a4b0755c4a22fd1afc4da330eae307c9967255c194364", kill_on_drop: false }`
[INFO] [stdout] 151ff69e4c36840f409a4b0755c4a22fd1afc4da330eae307c9967255c194364