[INFO] fetching crate stak-device 0.10.38...
[INFO] checking stak-device-0.10.38 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1
[INFO] extracting crate stak-device 0.10.38 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate stak-device 0.10.38
[INFO] finished tweaking crates.io crate stak-device 0.10.38
[INFO] tweaked toml for crates.io crate stak-device 0.10.38 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate stak-device 0.10.38 on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate stak-device 0.10.38 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b288a11e82778fc37a646fed0872d81250ee41013a9955c497520ce09dbc2781
[INFO] running `Command { std: "docker" "start" "-a" "b288a11e82778fc37a646fed0872d81250ee41013a9955c497520ce09dbc2781", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b288a11e82778fc37a646fed0872d81250ee41013a9955c497520ce09dbc2781", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b288a11e82778fc37a646fed0872d81250ee41013a9955c497520ce09dbc2781", kill_on_drop: false }`
[INFO] [stdout] b288a11e82778fc37a646fed0872d81250ee41013a9955c497520ce09dbc2781
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6b2cc222474d80e75da8ae0167ec6eb2b4604ff14b9528401fbf7b488a83c7da
[INFO] running `Command { std: "docker" "start" "-a" "6b2cc222474d80e75da8ae0167ec6eb2b4604ff14b9528401fbf7b488a83c7da", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.97
[INFO] [stderr]     Checking noop-executor v0.1.0
[INFO] [stderr]     Checking cfg-elif v0.6.3
[INFO] [stderr]     Checking stak-util v0.10.38
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.105
[INFO] [stderr]    Compiling winter-maybe-async v0.13.1
[INFO] [stderr]     Checking stak-vm v0.10.38
[INFO] [stderr]     Checking stak-device v0.10.38 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `stak_util`
[INFO] [stdout]   --> src/device/fixed_buffer.rs:81:9
[INFO] [stdout]    |
[INFO] [stdout] 81 |     use stak_util::block_on;
[INFO] [stdout]    |         ^^^^^^^^^ use of unresolved module or unlinked crate `stak_util`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `stak_util`, use `cargo add stak_util` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `stak-device` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "6b2cc222474d80e75da8ae0167ec6eb2b4604ff14b9528401fbf7b488a83c7da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b2cc222474d80e75da8ae0167ec6eb2b4604ff14b9528401fbf7b488a83c7da", kill_on_drop: false }`
[INFO] [stdout] 6b2cc222474d80e75da8ae0167ec6eb2b4604ff14b9528401fbf7b488a83c7da