[INFO] fetching crate fowin 0.1.0...
[INFO] testing fowin-0.1.0 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate fowin 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] removed /workspace/builds/worker-6-tc1/source/.cargo/config.toml
[INFO] started tweaking crates.io crate fowin 0.1.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate fowin 0.1.0
[INFO] tweaked toml for crates.io crate fowin 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate fowin 0.1.0 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate fowin 0.1.0 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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libtest-mimic-collect-macro v0.3.0
[INFO] [stderr]   Downloaded libtest-mimic-collect v0.3.2
[INFO] [stderr]   Downloaded objc2-encode v4.0.1
[INFO] [stderr]   Downloaded block2 v0.5.0
[INFO] [stderr]   Downloaded objc-sys v0.3.3
[INFO] [stderr]   Downloaded libtest-mimic v0.8.1
[INFO] [stderr]   Downloaded objc2-core-data v0.2.0
[INFO] [stderr]   Downloaded objc2 v0.5.1
[INFO] [stderr]   Downloaded objc2-foundation v0.2.0
[INFO] [stderr]   Downloaded objc2-app-kit v0.2.0
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 835f2f251387cd42d10d3dc99989e084043c86dacbe8c756d06d4f3e587878f7
[INFO] running `Command { std: "docker" "start" "-a" "835f2f251387cd42d10d3dc99989e084043c86dacbe8c756d06d4f3e587878f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "835f2f251387cd42d10d3dc99989e084043c86dacbe8c756d06d4f3e587878f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "835f2f251387cd42d10d3dc99989e084043c86dacbe8c756d06d4f3e587878f7", kill_on_drop: false }`
[INFO] [stdout] 835f2f251387cd42d10d3dc99989e084043c86dacbe8c756d06d4f3e587878f7
[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=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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 69d57850411c545b3f18b2a4dbacb4fefb015d3d59cae442b0ba91a5bec668ec
[INFO] running `Command { std: "docker" "start" "-a" "69d57850411c545b3f18b2a4dbacb4fefb015d3d59cae442b0ba91a5bec668ec", kill_on_drop: false }`
[INFO] [stderr]    Compiling fowin v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `platform`
[INFO] [stdout]  --> src/sys/mod.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub use platform::*;
[INFO] [stdout]   |         ^^^^^^^^ use of unresolved module or unlinked crate `platform`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `platform`, use `cargo add platform` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `time::Instant`
[INFO] [stdout]  --> src/protocol/mod.rs:1:34
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{error::Error, fmt, io, time::Instant};
[INFO] [stdout]   |                                  ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `lazy_cell` has been stable since 1.80.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(lazy_cell)]
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fowin` (lib) due to 1 previous error; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "69d57850411c545b3f18b2a4dbacb4fefb015d3d59cae442b0ba91a5bec668ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69d57850411c545b3f18b2a4dbacb4fefb015d3d59cae442b0ba91a5bec668ec", kill_on_drop: false }`
[INFO] [stdout] 69d57850411c545b3f18b2a4dbacb4fefb015d3d59cae442b0ba91a5bec668ec