[INFO] fetching crate stak-device 0.10.39...
[INFO] testing stak-device-0.10.39 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate stak-device 0.10.39 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate stak-device 0.10.39
[INFO] finished tweaking crates.io crate stak-device 0.10.39
[INFO] tweaked toml for crates.io crate stak-device 0.10.39 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate stak-device 0.10.39 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate stak-device 0.10.39 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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded stak-vm v0.10.39
[INFO] [stderr]   Downloaded cfg-elif v0.6.3
[INFO] [stderr]   Downloaded noop-executor v0.1.0
[INFO] [stderr]   Downloaded stak-util v0.10.39
[INFO] [stderr]   Downloaded winter-maybe-async v0.13.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 87dacd75309ceb52a88a4f9307c2ba909efadbfdf2d6d4ad6fc2f2282c53d9a4
[INFO] running `Command { std: "docker" "start" "-a" "87dacd75309ceb52a88a4f9307c2ba909efadbfdf2d6d4ad6fc2f2282c53d9a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "87dacd75309ceb52a88a4f9307c2ba909efadbfdf2d6d4ad6fc2f2282c53d9a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87dacd75309ceb52a88a4f9307c2ba909efadbfdf2d6d4ad6fc2f2282c53d9a4", kill_on_drop: false }`
[INFO] [stdout] 87dacd75309ceb52a88a4f9307c2ba909efadbfdf2d6d4ad6fc2f2282c53d9a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a8f17b70beec93733768e739043ca50cff4c2386c2651dff129a5d7dab56047e
[INFO] running `Command { std: "docker" "start" "-a" "a8f17b70beec93733768e739043ca50cff4c2386c2651dff129a5d7dab56047e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling noop-executor v0.1.0
[INFO] [stderr]    Compiling cfg-elif v0.6.3
[INFO] [stderr]    Compiling stak-util v0.10.39
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling winter-maybe-async v0.13.1
[INFO] [stderr]    Compiling stak-vm v0.10.39
[INFO] [stderr]    Compiling stak-device v0.10.39 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.56s
[INFO] running `Command { std: "docker" "inspect" "a8f17b70beec93733768e739043ca50cff4c2386c2651dff129a5d7dab56047e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8f17b70beec93733768e739043ca50cff4c2386c2651dff129a5d7dab56047e", kill_on_drop: false }`
[INFO] [stdout] a8f17b70beec93733768e739043ca50cff4c2386c2651dff129a5d7dab56047e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3cdbe3756cd37fe7d7b4ad3290124c7fe1d0adf44653e0c5634a85e460638980
[INFO] running `Command { std: "docker" "start" "-a" "3cdbe3756cd37fe7d7b4ad3290124c7fe1d0adf44653e0c5634a85e460638980", kill_on_drop: false }`
[INFO] [stderr]    Compiling stak-device v0.10.39 (/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" "3cdbe3756cd37fe7d7b4ad3290124c7fe1d0adf44653e0c5634a85e460638980", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cdbe3756cd37fe7d7b4ad3290124c7fe1d0adf44653e0c5634a85e460638980", kill_on_drop: false }`
[INFO] [stdout] 3cdbe3756cd37fe7d7b4ad3290124c7fe1d0adf44653e0c5634a85e460638980