[INFO] fetching crate anachro-client 0.1.0...
[INFO] testing anachro-client-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 anachro-client 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate anachro-client 0.1.0
[INFO] finished tweaking crates.io crate anachro-client 0.1.0
[INFO] tweaked toml for crates.io crate anachro-client 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate anachro-client 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] Updating crates.io index
[INFO] [stderr] Locking 19 packages to latest compatible versions
[INFO] [stderr] Adding postcard v0.5.2 (available: v1.1.2)
[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] Downloading crates ...
[INFO] [stderr] Downloaded anachro-icd v0.1.3
[INFO] [stderr] Downloaded as-slice v0.1.5
[INFO] [stderr] Downloaded postcard-cobs v0.1.5-pre
[INFO] [stderr] Downloaded hash32 v0.1.1
[INFO] [stderr] Downloaded postcard v0.5.2
[INFO] [stderr] Downloaded heapless v0.5.6
[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] 67f07221f7082dd30ea87e3870260b73f97b051316d8ae2137a1efa24299498e
[INFO] running `Command { std: "docker" "start" "-a" "67f07221f7082dd30ea87e3870260b73f97b051316d8ae2137a1efa24299498e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "67f07221f7082dd30ea87e3870260b73f97b051316d8ae2137a1efa24299498e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67f07221f7082dd30ea87e3870260b73f97b051316d8ae2137a1efa24299498e", kill_on_drop: false }`
[INFO] [stdout] 67f07221f7082dd30ea87e3870260b73f97b051316d8ae2137a1efa24299498e
[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] 59d4eedc6be1fb5e65fd8a329c1625b533fe2cca7810a64a311f26a17ebcbdc1
[INFO] running `Command { std: "docker" "start" "-a" "59d4eedc6be1fb5e65fd8a329c1625b533fe2cca7810a64a311f26a17ebcbdc1", kill_on_drop: false }`
[INFO] [stderr] Compiling typenum v1.18.0
[INFO] [stderr] Compiling serde v1.0.219
[INFO] [stderr] Compiling stable_deref_trait v1.2.0
[INFO] [stderr] Compiling heapless v0.5.6
[INFO] [stderr] Compiling byteorder v1.5.0
[INFO] [stderr] Compiling postcard-cobs v0.1.5-pre
[INFO] [stderr] Compiling generic-array v0.14.7
[INFO] [stderr] Compiling hash32 v0.1.1
[INFO] [stderr] Compiling generic-array v0.12.4
[INFO] [stderr] Compiling generic-array v0.13.3
[INFO] [stderr] Compiling as-slice v0.1.5
[INFO] [stderr] Compiling postcard v0.5.2
[INFO] [stderr] Compiling anachro-icd v0.1.3
[INFO] [stderr] Compiling anachro-client v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout] --> src/client_io.rs:39:13
[INFO] [stdout] |
[INFO] [stdout] 39 | fn recv(&mut self) -> Result