[INFO] fetching crate unit6 0.1.0...
[INFO] testing unit6-0.1.0 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1
[INFO] extracting crate unit6 0.1.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate unit6 0.1.0
[INFO] finished tweaking crates.io crate unit6 0.1.0
[INFO] tweaked toml for crates.io crate unit6 0.1.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate unit6 0.1.0 on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate unit6 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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b5dc8b1cc6612bf00c20221e7e65022c5ad826b0aafafdee270028d08b6c96e6
[INFO] running `Command { std: "docker" "start" "-a" "b5dc8b1cc6612bf00c20221e7e65022c5ad826b0aafafdee270028d08b6c96e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b5dc8b1cc6612bf00c20221e7e65022c5ad826b0aafafdee270028d08b6c96e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5dc8b1cc6612bf00c20221e7e65022c5ad826b0aafafdee270028d08b6c96e6", kill_on_drop: false }`
[INFO] [stdout] b5dc8b1cc6612bf00c20221e7e65022c5ad826b0aafafdee270028d08b6c96e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b5b3fc5d034265af1b36e07549c151b30734e085a6cc98ee312fa7dfa377c7e4
[INFO] running `Command { std: "docker" "start" "-a" "b5b3fc5d034265af1b36e07549c151b30734e085a6cc98ee312fa7dfa377c7e4", kill_on_drop: false }`
[INFO] [stderr]    Compiling unit6 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Ipv4` is never constructed
[INFO] [stdout]   --> src/main.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | struct Ipv4 {}
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Ipv6` is never constructed
[INFO] [stdout]   --> src/main.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | struct Ipv6 {}
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `IpAddressKind` is never used
[INFO] [stdout]   --> src/main.rs:30:6
[INFO] [stdout]    |
[INFO] [stdout] 30 | enum IpAddressKind {
[INFO] [stdout]    |      ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_string` is never used
[INFO] [stdout]   --> src/main.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | impl IpAddressKind {
[INFO] [stdout]    | ------------------ method in this implementation
[INFO] [stdout] 36 |     fn to_string(&self) {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Quit`, `Move`, and `ChangeColor` are never constructed
[INFO] [stdout]   --> src/main.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 44 | enum Message {
[INFO] [stdout]    |      ------- variants in this enum
[INFO] [stdout] 45 |     //没有任何关联数据
[INFO] [stdout] 46 |     Quit,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 47 |     //匿名结构体
[INFO] [stdout] 48 |     Move { x: i32, y: i32 },
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 52 |     ChangeColor(i32, i32, i32),
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "b5b3fc5d034265af1b36e07549c151b30734e085a6cc98ee312fa7dfa377c7e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5b3fc5d034265af1b36e07549c151b30734e085a6cc98ee312fa7dfa377c7e4", kill_on_drop: false }`
[INFO] [stdout] b5b3fc5d034265af1b36e07549c151b30734e085a6cc98ee312fa7dfa377c7e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 501d4372c1f3b994e1bc024c11bf1db2b423206b47275f56c729e402847b1c5f
[INFO] running `Command { std: "docker" "start" "-a" "501d4372c1f3b994e1bc024c11bf1db2b423206b47275f56c729e402847b1c5f", kill_on_drop: false }`
[INFO] [stderr]    Compiling unit6 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Ipv4` is never constructed
[INFO] [stdout]   --> src/main.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | struct Ipv4 {}
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Ipv6` is never constructed
[INFO] [stdout]   --> src/main.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | struct Ipv6 {}
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `IpAddressKind` is never used
[INFO] [stdout]   --> src/main.rs:30:6
[INFO] [stdout]    |
[INFO] [stdout] 30 | enum IpAddressKind {
[INFO] [stdout]    |      ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_string` is never used
[INFO] [stdout]   --> src/main.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | impl IpAddressKind {
[INFO] [stdout]    | ------------------ method in this implementation
[INFO] [stdout] 36 |     fn to_string(&self) {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Quit`, `Move`, and `ChangeColor` are never constructed
[INFO] [stdout]   --> src/main.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 44 | enum Message {
[INFO] [stdout]    |      ------- variants in this enum
[INFO] [stdout] 45 |     //没有任何关联数据
[INFO] [stdout] 46 |     Quit,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 47 |     //匿名结构体
[INFO] [stdout] 48 |     Move { x: i32, y: i32 },
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 52 |     ChangeColor(i32, i32, i32),
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "501d4372c1f3b994e1bc024c11bf1db2b423206b47275f56c729e402847b1c5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "501d4372c1f3b994e1bc024c11bf1db2b423206b47275f56c729e402847b1c5f", kill_on_drop: false }`
[INFO] [stdout] 501d4372c1f3b994e1bc024c11bf1db2b423206b47275f56c729e402847b1c5f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] edc2cc1e15b383133f395cd9743c854ee38314b4d75e766a58ac149329c63dde
[INFO] running `Command { std: "docker" "start" "-a" "edc2cc1e15b383133f395cd9743c854ee38314b4d75e766a58ac149329c63dde", kill_on_drop: false }`
[INFO] [stderr] warning: struct `Ipv4` is never constructed
[INFO] [stderr]   --> src/main.rs:26:8
[INFO] [stderr]    |
[INFO] [stderr] 26 | struct Ipv4 {}
[INFO] [stderr]    |        ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Ipv6` is never constructed
[INFO] [stderr]   --> src/main.rs:28:8
[INFO] [stderr]    |
[INFO] [stderr] 28 | struct Ipv6 {}
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `IpAddressKind` is never used
[INFO] [stderr]   --> src/main.rs:30:6
[INFO] [stderr]    |
[INFO] [stderr] 30 | enum IpAddressKind {
[INFO] [stderr]    |      ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `to_string` is never used
[INFO] [stderr]   --> src/main.rs:36:8
[INFO] [stderr]    |
[INFO] [stderr] 35 | impl IpAddressKind {
[INFO] [stderr]    | ------------------ method in this implementation
[INFO] [stderr] 36 |     fn to_string(&self) {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variants `Quit`, `Move`, and `ChangeColor` are never constructed
[INFO] [stderr]   --> src/main.rs:46:5
[INFO] [stderr]    |
[INFO] [stderr] 44 | enum Message {
[INFO] [stderr]    |      ------- variants in this enum
[INFO] [stderr] 45 |     //没有任何关联数据
[INFO] [stderr] 46 |     Quit,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 47 |     //匿名结构体
[INFO] [stderr] 48 |     Move { x: i32, y: i32 },
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 52 |     ChangeColor(i32, i32, i32),
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `unit6` (bin "unit6" test) generated 5 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/unit6-4551e3a933ba532e)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "edc2cc1e15b383133f395cd9743c854ee38314b4d75e766a58ac149329c63dde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "edc2cc1e15b383133f395cd9743c854ee38314b4d75e766a58ac149329c63dde", kill_on_drop: false }`
[INFO] [stdout] edc2cc1e15b383133f395cd9743c854ee38314b4d75e766a58ac149329c63dde