[INFO] fetching crate stak-device 0.10.39...
[INFO] testing stak-device-0.10.39 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate stak-device 0.10.39 into /workspace/builds/worker-0-tc2/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-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate stak-device 0.10.39 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 63422004ca254d47b808943ceb8c8a97a73d29a54c8737e30ef6ddad0e88f6e4
[INFO] running `Command { std: "docker" "start" "-a" "63422004ca254d47b808943ceb8c8a97a73d29a54c8737e30ef6ddad0e88f6e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "63422004ca254d47b808943ceb8c8a97a73d29a54c8737e30ef6ddad0e88f6e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63422004ca254d47b808943ceb8c8a97a73d29a54c8737e30ef6ddad0e88f6e4", kill_on_drop: false }`
[INFO] [stdout] 63422004ca254d47b808943ceb8c8a97a73d29a54c8737e30ef6ddad0e88f6e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 89598da67eaccc11b0964cc29e7530655f714eaef3e81293ab0264a8f657c6f9
[INFO] running `Command { std: "docker" "start" "-a" "89598da67eaccc11b0964cc29e7530655f714eaef3e81293ab0264a8f657c6f9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling cfg-elif v0.6.3
[INFO] [stderr]    Compiling noop-executor v0.1.0
[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 6.37s
[INFO] running `Command { std: "docker" "inspect" "89598da67eaccc11b0964cc29e7530655f714eaef3e81293ab0264a8f657c6f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89598da67eaccc11b0964cc29e7530655f714eaef3e81293ab0264a8f657c6f9", kill_on_drop: false }`
[INFO] [stdout] 89598da67eaccc11b0964cc29e7530655f714eaef3e81293ab0264a8f657c6f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 539267bacdb282c3f01c9bf62aefb199ed81f97b39168fd38ddcfa2c521dab09
[INFO] running `Command { std: "docker" "start" "-a" "539267bacdb282c3f01c9bf62aefb199ed81f97b39168fd38ddcfa2c521dab09", 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" "539267bacdb282c3f01c9bf62aefb199ed81f97b39168fd38ddcfa2c521dab09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "539267bacdb282c3f01c9bf62aefb199ed81f97b39168fd38ddcfa2c521dab09", kill_on_drop: false }`
[INFO] [stdout] 539267bacdb282c3f01c9bf62aefb199ed81f97b39168fd38ddcfa2c521dab09