[INFO] fetching crate nbd 0.3.0...
[INFO] testing nbd-0.3.0 against 1.69.0 for beta-1.70-1
[INFO] extracting crate nbd 0.3.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate nbd 0.3.0 on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nbd 0.3.0
[INFO] finished tweaking crates.io crate nbd 0.3.0
[INFO] tweaked toml for crates.io crate nbd 0.3.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate nbd 0.3.0 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" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded readwrite v0.1.2
[INFO] [stderr]   Downloaded rusty-fork v0.2.2
[INFO] [stderr]   Downloaded proptest v0.8.7
[INFO] [stderr]   Downloaded pipe v0.0.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0368a646729a27103bbe453b73f478504cf895488f1cd29287fdbb6db8fc9ec7
[INFO] running `Command { std: "docker" "start" "-a" "0368a646729a27103bbe453b73f478504cf895488f1cd29287fdbb6db8fc9ec7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0368a646729a27103bbe453b73f478504cf895488f1cd29287fdbb6db8fc9ec7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0368a646729a27103bbe453b73f478504cf895488f1cd29287fdbb6db8fc9ec7", kill_on_drop: false }`
[INFO] [stdout] 0368a646729a27103bbe453b73f478504cf895488f1cd29287fdbb6db8fc9ec7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef953617204711809ae4f68fa0f03650ebe5bbac56349a299b8c7dd15996f5cc
[INFO] running `Command { std: "docker" "start" "-a" "ef953617204711809ae4f68fa0f03650ebe5bbac56349a299b8c7dd15996f5cc", kill_on_drop: false }`
[INFO] [stderr]    Compiling nbd v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "ef953617204711809ae4f68fa0f03650ebe5bbac56349a299b8c7dd15996f5cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef953617204711809ae4f68fa0f03650ebe5bbac56349a299b8c7dd15996f5cc", kill_on_drop: false }`
[INFO] [stdout] ef953617204711809ae4f68fa0f03650ebe5bbac56349a299b8c7dd15996f5cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 88405e95e871f074e54647ff9ca80d791ce2a41a8594daf301bfc56d8b5267c3
[INFO] running `Command { std: "docker" "start" "-a" "88405e95e871f074e54647ff9ca80d791ce2a41a8594daf301bfc56d8b5267c3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling readwrite v0.1.2
[INFO] [stderr]    Compiling pipe v0.0.3
[INFO] [stderr]    Compiling tempfile v3.3.0
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling rusty-fork v0.2.2
[INFO] [stderr]    Compiling proptest v0.8.7
[INFO] [stderr]    Compiling nbd v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: expected a `Fn<(&str,)>` closure, found `Export<_>`
[INFO] [stdout]    --> tests/fuzz_hs.rs:60:46
[INFO] [stdout]     |
[INFO] [stdout] 60  |         let ret = nbd::server::handshake(s, &exp);
[INFO] [stdout]     |                   ----------------------     ^^^ expected an `Fn<(&str,)>` closure, found `Export<_>`
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   required by a bound introduced by this call
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `for<'a> Fn<(&'a str,)>` is not implemented for `Export<_>`
[INFO] [stdout]     = note: required for `&Export<_>` to implement `for<'a> FnOnce<(&'a str,)>`
[INFO] [stdout] note: required by a bound in `nbd::server::handshake`
[INFO] [stdout]    --> /opt/rustwide/workdir/src/lib.rs:105:49
[INFO] [stdout]     |
[INFO] [stdout] 105 |     pub fn handshake<IO: Write + Read, Data, F: FnOnce(&str) -> Result<Export<Data>>>(mut c: IO, exports: F) -> Result<Data> {
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `handshake`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: expected a `FnOnce<(&str,)>` closure, found `Export<_>`
[INFO] [stdout]    --> tests/fuzz_hs.rs:60:45
[INFO] [stdout]     |
[INFO] [stdout] 60  |         let ret = nbd::server::handshake(s, &exp);
[INFO] [stdout]     |                   ----------------------    ^^^^ expected an `FnOnce<(&str,)>` closure, found `Export<_>`
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   required by a bound introduced by this call
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `for<'a> FnOnce<(&'a str,)>` is not implemented for `Export<_>`
[INFO] [stdout] note: required by a bound in `nbd::server::handshake`
[INFO] [stdout]    --> /opt/rustwide/workdir/src/lib.rs:105:65
[INFO] [stdout]     |
[INFO] [stdout] 105 |     pub fn handshake<IO: Write + Read, Data, F: FnOnce(&str) -> Result<Export<Data>>>(mut c: IO, exports: F) -> Result<Data> {
[INFO] [stdout]     |                                                                 ^^^^^^^^^^^^^^^^^^^^ required by this bound in `handshake`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nbd` due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "88405e95e871f074e54647ff9ca80d791ce2a41a8594daf301bfc56d8b5267c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88405e95e871f074e54647ff9ca80d791ce2a41a8594daf301bfc56d8b5267c3", kill_on_drop: false }`
[INFO] [stdout] 88405e95e871f074e54647ff9ca80d791ce2a41a8594daf301bfc56d8b5267c3
