[INFO] fetching crate serverstat 0.1.4...
[INFO] testing serverstat-0.1.4 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate serverstat 0.1.4 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate serverstat 0.1.4
[INFO] finished tweaking crates.io crate serverstat 0.1.4
[INFO] tweaked toml for crates.io crate serverstat 0.1.4 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate serverstat 0.1.4 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 serverstat 0.1.4 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quake_infostring v0.1.0
[INFO] [stderr]   Downloaded tinyudp v0.5.1
[INFO] [stderr]   Downloaded quake_text v0.2.0
[INFO] [stderr]   Downloaded quake_text v0.3.0
[INFO] [stderr]   Downloaded quake_serverinfo v0.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] c51c600cd04444eec54d4f6900df0969f98c5991f78d01992a7eeae6814cc65c
[INFO] running `Command { std: "docker" "start" "-a" "c51c600cd04444eec54d4f6900df0969f98c5991f78d01992a7eeae6814cc65c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c51c600cd04444eec54d4f6900df0969f98c5991f78d01992a7eeae6814cc65c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c51c600cd04444eec54d4f6900df0969f98c5991f78d01992a7eeae6814cc65c", kill_on_drop: false }`
[INFO] [stdout] c51c600cd04444eec54d4f6900df0969f98c5991f78d01992a7eeae6814cc65c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] fc485f28e68c400cfb3273f213f71fef602b29c86bb3ecb469720e2b18ac45e6
[INFO] running `Command { std: "docker" "start" "-a" "fc485f28e68c400cfb3273f213f71fef602b29c86bb3ecb469720e2b18ac45e6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling libc v0.2.171
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling anyhow v1.0.97
[INFO] [stderr]    Compiling pin-project-lite v0.2.16
[INFO] [stderr]    Compiling quake_infostring v0.1.0
[INFO] [stderr]    Compiling quake_text v0.2.0
[INFO] [stderr]    Compiling quake_text v0.3.0
[INFO] [stderr]    Compiling quake_serverinfo v0.8.0
[INFO] [stderr]    Compiling socket2 v0.5.9
[INFO] [stderr]    Compiling mio v1.0.3
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling tokio v1.44.2
[INFO] [stderr]    Compiling tinyudp v0.5.1
[INFO] [stderr]    Compiling serverstat v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.90s
[INFO] running `Command { std: "docker" "inspect" "fc485f28e68c400cfb3273f213f71fef602b29c86bb3ecb469720e2b18ac45e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc485f28e68c400cfb3273f213f71fef602b29c86bb3ecb469720e2b18ac45e6", kill_on_drop: false }`
[INFO] [stdout] fc485f28e68c400cfb3273f213f71fef602b29c86bb3ecb469720e2b18ac45e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] da7d23efd8691ac6067ff268db038a25ea208c985785bd5e34179882ec3d692c
[INFO] running `Command { std: "docker" "start" "-a" "da7d23efd8691ac6067ff268db038a25ea208c985785bd5e34179882ec3d692c", kill_on_drop: false }`
[INFO] [stderr]    Compiling yansi v1.0.1
[INFO] [stderr]    Compiling diff v0.1.13
[INFO] [stderr]    Compiling pretty_assertions v1.4.1
[INFO] [stderr]    Compiling serverstat v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `serde_json`
[INFO] [stdout]   --> src/hostport.rs:93:13
[INFO] [stdout]    |
[INFO] [stdout] 93 |             serde_json::to_string(&hostport)?,
[INFO] [stdout]    |             ^^^^^^^^^^ use of unresolved module or unlinked crate `serde_json`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `serde_json`, use `cargo add serde_json` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `serde_json`
[INFO] [stdout]    --> src/hostport.rs:102:13
[INFO] [stdout]     |
[INFO] [stdout] 102 |             serde_json::from_str::<Hostport>(r#""quake.se:28501""#)?,
[INFO] [stdout]     |             ^^^^^^^^^^ use of unresolved module or unlinked crate `serde_json`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `serde_json`, use `cargo add serde_json` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `serverstat` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "da7d23efd8691ac6067ff268db038a25ea208c985785bd5e34179882ec3d692c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da7d23efd8691ac6067ff268db038a25ea208c985785bd5e34179882ec3d692c", kill_on_drop: false }`
[INFO] [stdout] da7d23efd8691ac6067ff268db038a25ea208c985785bd5e34179882ec3d692c