[INFO] cloning repository https://github.com/skwqy/RustTest
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/skwqy/RustTest" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskwqy%2FRustTest", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskwqy%2FRustTest'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 78324d5873eba3a9745e39a9797c2ea8e574c05e
[INFO] checking skwqy/RustTest against 34f4a807e2d84184fff4e42d4539092569b6fcd6 for pr-164081
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskwqy%2FRustTest" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/skwqy/RustTest
[INFO] finished tweaking git repo https://github.com/skwqy/RustTest
[INFO] tweaked toml for git repo https://github.com/skwqy/RustTest written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/skwqy/RustTest on toolchain 34f4a807e2d84184fff4e42d4539092569b6fcd6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+34f4a807e2d84184fff4e42d4539092569b6fcd6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/skwqy/RustTest 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" "+34f4a807e2d84184fff4e42d4539092569b6fcd6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] f40b9445462b8241559a8ca4bd3b12154232100520ee95a6462fd7187d7a4005
[INFO] running `Command { std: "docker" "start" "f40b9445462b8241559a8ca4bd3b12154232100520ee95a6462fd7187d7a4005", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f40b9445462b8241559a8ca4bd3b12154232100520ee95a6462fd7187d7a4005", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "f40b9445462b8241559a8ca4bd3b12154232100520ee95a6462fd7187d7a4005" "/opt/rustwide/cargo-home/bin/cargo" "+34f4a807e2d84184fff4e42d4539092569b6fcd6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f40b9445462b8241559a8ca4bd3b12154232100520ee95a6462fd7187d7a4005", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "f40b9445462b8241559a8ca4bd3b12154232100520ee95a6462fd7187d7a4005" "/opt/rustwide/cargo-home/bin/cargo" "+34f4a807e2d84184fff4e42d4539092569b6fcd6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stderr]     Checking fastrand v2.3.0
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[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]     Checking advance-learning v0.1.0 (/opt/rustwide/workdir/crates/advanceLearning)
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[INFO] [stdout] warning: fields `0`, `1`, and `2` are never read
[INFO] [stdout]  --> crates/lessons/src/06_structs.rs:9:14
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct Color(u8, u8, u8); // 元组结构体
[INFO] [stdout]   |        ----- ^^  ^^  ^^
[INFO] [stdout]   |        |
[INFO] [stdout]   |        fields in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing these fields
[INFO] [stdout]   = note: `Color` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0`, `1`, and `2` are never read
[INFO] [stdout]  --> crates/lessons/src/bin/../06_structs.rs:9:14
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct Color(u8, u8, u8); // 元组结构体
[INFO] [stdout]   |        ----- ^^  ^^  ^^
[INFO] [stdout]   |        |
[INFO] [stdout]   |        fields in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing these fields
[INFO] [stdout]   = note: `Color` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0`, `1`, and `2` are never read
[INFO] [stdout]  --> crates/lessons/src/bin/../06_structs.rs:9:14
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct Color(u8, u8, u8); // 元组结构体
[INFO] [stdout]   |        ----- ^^  ^^  ^^
[INFO] [stdout]   |        |
[INFO] [stdout]   |        fields in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing these fields
[INFO] [stdout]   = note: `Color` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0`, `1`, and `2` are never read
[INFO] [stdout]  --> crates/lessons/src/06_structs.rs:9:14
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct Color(u8, u8, u8); // 元组结构体
[INFO] [stdout]   |        ----- ^^  ^^  ^^
[INFO] [stdout]   |        |
[INFO] [stdout]   |        fields in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing these fields
[INFO] [stdout]   = note: `Color` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
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[INFO] [stderr]    Compiling async-attributes v1.1.2
[INFO] [stderr]    Compiling structopt-derive v0.4.18
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[INFO] [stderr]    Compiling tokio-macros v2.6.1
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[INFO] [stderr]     Checking async-examples v0.1.0 (/opt/rustwide/workdir/crates/async)
[INFO] [stderr]     Checking tokio-stream v0.1.18
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[INFO] [stderr]     Checking my-redis v0.1.0 (/opt/rustwide/workdir/crates/my-redis)
[INFO] [stderr] warning: unused dependency `libc`
[INFO] [stderr]  --> crates/advanceLearning/Cargo.toml:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | libc = "0.2"
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `libc`
[INFO] [stderr] warning: `advance-learning` (manifest) generated 1 warning
[INFO] [stderr] warning: unused dependency `features`
[INFO] [stderr]  --> crates/rust-by-example/Cargo.toml:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | features = "0.10.0"
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `features`
[INFO] [stderr] warning: `rust-by-example-notes` (manifest) generated 1 warning
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 34.42s
[INFO] running `Command { std: "docker" "inspect" "f40b9445462b8241559a8ca4bd3b12154232100520ee95a6462fd7187d7a4005", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f40b9445462b8241559a8ca4bd3b12154232100520ee95a6462fd7187d7a4005", kill_on_drop: false }`
[INFO] [stdout] f40b9445462b8241559a8ca4bd3b12154232100520ee95a6462fd7187d7a4005
