[INFO] fetching crate serverstat 0.1.4...
[INFO] testing serverstat-0.1.4 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2
[INFO] extracting crate serverstat 0.1.4 into /workspace/builds/worker-1-tc2/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-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate serverstat 0.1.4 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 488c107bf8af484147fc41cb410a93837ed7fe88d655a6483526baba37594812
[INFO] running `Command { std: "docker" "start" "-a" "488c107bf8af484147fc41cb410a93837ed7fe88d655a6483526baba37594812", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "488c107bf8af484147fc41cb410a93837ed7fe88d655a6483526baba37594812", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "488c107bf8af484147fc41cb410a93837ed7fe88d655a6483526baba37594812", kill_on_drop: false }`
[INFO] [stdout] 488c107bf8af484147fc41cb410a93837ed7fe88d655a6483526baba37594812
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 649db5ecb86813f5bd8c434e3a1af28804146430cfaaece4ed92fa9aba68f51d
[INFO] running `Command { std: "docker" "start" "-a" "649db5ecb86813f5bd8c434e3a1af28804146430cfaaece4ed92fa9aba68f51d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling libc v0.2.171
[INFO] [stderr]    Compiling anyhow v1.0.97
[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 quote v1.0.40
[INFO] [stderr]    Compiling socket2 v0.5.9
[INFO] [stderr]    Compiling mio v1.0.3
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling tokio v1.44.2
[INFO] [stderr]    Compiling thiserror v2.0.12
[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 11.37s
[INFO] running `Command { std: "docker" "inspect" "649db5ecb86813f5bd8c434e3a1af28804146430cfaaece4ed92fa9aba68f51d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "649db5ecb86813f5bd8c434e3a1af28804146430cfaaece4ed92fa9aba68f51d", kill_on_drop: false }`
[INFO] [stdout] 649db5ecb86813f5bd8c434e3a1af28804146430cfaaece4ed92fa9aba68f51d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 221742a91edff614c2204e49745b6b90b80ed7e6ccb0e6976a2a7cdc1c445c89
[INFO] running `Command { std: "docker" "start" "-a" "221742a91edff614c2204e49745b6b90b80ed7e6ccb0e6976a2a7cdc1c445c89", kill_on_drop: false }`
[INFO] [stderr]    Compiling serverstat v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: cannot find module or crate `serde_json` in this scope
[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]: cannot find module or crate `serde_json` in this scope
[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" "221742a91edff614c2204e49745b6b90b80ed7e6ccb0e6976a2a7cdc1c445c89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "221742a91edff614c2204e49745b6b90b80ed7e6ccb0e6976a2a7cdc1c445c89", kill_on_drop: false }`
[INFO] [stdout] 221742a91edff614c2204e49745b6b90b80ed7e6ccb0e6976a2a7cdc1c445c89