[INFO] fetching crate nullable 0.0.1...
[INFO] checking nullable-0.0.1 against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-4
[INFO] extracting crate nullable 0.0.1 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate nullable 0.0.1 on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "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-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b5124f1f0b563c6d1ced9f4aca19c891580d1f5c8442680396d881427b9aaacb
[INFO] running `Command { std: "docker" "start" "-a" "b5124f1f0b563c6d1ced9f4aca19c891580d1f5c8442680396d881427b9aaacb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b5124f1f0b563c6d1ced9f4aca19c891580d1f5c8442680396d881427b9aaacb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5124f1f0b563c6d1ced9f4aca19c891580d1f5c8442680396d881427b9aaacb", kill_on_drop: false }`
[INFO] [stdout] b5124f1f0b563c6d1ced9f4aca19c891580d1f5c8442680396d881427b9aaacb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8ed8603b38ebb3cca7a0be6ca8f9fb0a2f341692bf039976fd1985245ffe41a9
[INFO] running `Command { std: "docker" "start" "-a" "8ed8603b38ebb3cca7a0be6ca8f9fb0a2f341692bf039976fd1985245ffe41a9", kill_on_drop: false }`
[INFO] [stderr]     Checking 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[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 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 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` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `nullable` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "8ed8603b38ebb3cca7a0be6ca8f9fb0a2f341692bf039976fd1985245ffe41a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ed8603b38ebb3cca7a0be6ca8f9fb0a2f341692bf039976fd1985245ffe41a9", kill_on_drop: false }`
[INFO] [stdout] 8ed8603b38ebb3cca7a0be6ca8f9fb0a2f341692bf039976fd1985245ffe41a9