[INFO] cloning repository https://github.com/liojian198/rustdemo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/liojian198/rustdemo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fliojian198%2Frustdemo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fliojian198%2Frustdemo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 662137c2957ccc2bf0b59a70b73d6047d1b75832
[INFO] building liojian198/rustdemo against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fliojian198%2Frustdemo" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/liojian198/rustdemo on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/liojian198/rustdemo
[INFO] finished tweaking git repo https://github.com/liojian198/rustdemo
[INFO] tweaked toml for git repo https://github.com/liojian198/rustdemo written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/liojian198/rustdemo 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f01d80d827186d28477ec5cb26aacf2e9ea761e0348ed32f56f3b7a6e4f06c75
[INFO] running `Command { std: "docker" "start" "-a" "f01d80d827186d28477ec5cb26aacf2e9ea761e0348ed32f56f3b7a6e4f06c75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f01d80d827186d28477ec5cb26aacf2e9ea761e0348ed32f56f3b7a6e4f06c75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f01d80d827186d28477ec5cb26aacf2e9ea761e0348ed32f56f3b7a6e4f06c75", kill_on_drop: false }`
[INFO] [stdout] f01d80d827186d28477ec5cb26aacf2e9ea761e0348ed32f56f3b7a6e4f06c75
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d03d01fd92fb95b629061e49039d112c15aba590f55fc66c6885de2122cf8e42
[INFO] running `Command { std: "docker" "start" "-a" "d03d01fd92fb95b629061e49039d112c15aba590f55fc66c6885de2122cf8e42", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling zerocopy v0.8.0-alpha.6
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling rand_core v0.9.0-alpha.1
[INFO] [stderr]    Compiling rand_chacha v0.9.0-alpha.1
[INFO] [stderr]    Compiling rand v0.9.0-alpha.1
[INFO] [stderr]    Compiling rustdemo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `add_three` is never used
[INFO] [stdout]  --> src/util.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn add_three( a:i32) -> i32 {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add_four` is never used
[INFO] [stdout]  --> src/util/config.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub(crate) fn add_four(a: i32) -> i32 {
[INFO] [stdout]   |               ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `module_function` is never used
[INFO] [stdout]  --> src/util/config.rs:6:47
[INFO] [stdout]   |
[INFO] [stdout] 6 |     pub(in crate::util::config::my_module) fn module_function () {
[INFO] [stdout]   |                                               ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `public_function` is never used
[INFO] [stdout]   --> src/util/config.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn public_function () {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `another_function` is never used
[INFO] [stdout]   --> src/util/config.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn another_function() {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.00s
[INFO] running `Command { std: "docker" "inspect" "d03d01fd92fb95b629061e49039d112c15aba590f55fc66c6885de2122cf8e42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d03d01fd92fb95b629061e49039d112c15aba590f55fc66c6885de2122cf8e42", kill_on_drop: false }`
[INFO] [stdout] d03d01fd92fb95b629061e49039d112c15aba590f55fc66c6885de2122cf8e42
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b96c46ae55c0e8a5b09143f7b40217040046712abcd9da16304d5dd74616fe85
[INFO] running `Command { std: "docker" "start" "-a" "b96c46ae55c0e8a5b09143f7b40217040046712abcd9da16304d5dd74616fe85", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustdemo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/comple_type.rs:21:14
[INFO] [stdout]    |
[INFO] [stdout] 21 |         let (x,y,z) = tup;
[INFO] [stdout]    |              ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `z`
[INFO] [stdout]   --> src/comple_type.rs:21:18
[INFO] [stdout]    |
[INFO] [stdout] 21 |         let (x,y,z) = tup;
[INFO] [stdout]    |                  ^ help: if this is intentional, prefix it with an underscore: `_z`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `black`
[INFO] [stdout]   --> src/comple_type.rs:78:13
[INFO] [stdout]    |
[INFO] [stdout] 78 |         let black = Color(0,0,0);
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_black`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `origin`
[INFO] [stdout]   --> src/comple_type.rs:79:13
[INFO] [stdout]    |
[INFO] [stdout] 79 |         let origin = Point(0,0,0);
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_origin`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add_three` is never used
[INFO] [stdout]  --> src/util.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn add_three( a:i32) -> i32 {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add_four` is never used
[INFO] [stdout]  --> src/util/config.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub(crate) fn add_four(a: i32) -> i32 {
[INFO] [stdout]   |               ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `module_function` is never used
[INFO] [stdout]  --> src/util/config.rs:6:47
[INFO] [stdout]   |
[INFO] [stdout] 6 |     pub(in crate::util::config::my_module) fn module_function () {
[INFO] [stdout]   |                                               ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `public_function` is never used
[INFO] [stdout]   --> src/util/config.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn public_function () {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `another_function` is never used
[INFO] [stdout]   --> src/util/config.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn another_function() {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `user_name`, `email`, and `sign_in_count` are never read
[INFO] [stdout]   --> src/comple_type.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |     struct User {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] 49 |         active: bool,
[INFO] [stdout] 50 |         user_name: String,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 51 |         email: String,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 52 |         sign_in_count: u64,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0`, `1`, and `2` are never read
[INFO] [stdout]   --> src/comple_type.rs:73:18
[INFO] [stdout]    |
[INFO] [stdout] 73 |     struct Color(i32,i32,i32);
[INFO] [stdout]    |            ----- ^^^ ^^^ ^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            fields in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing these fields
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0`, `1`, and `2` are never read
[INFO] [stdout]   --> src/comple_type.rs:74:18
[INFO] [stdout]    |
[INFO] [stdout] 74 |     struct Point(i32,i32,i32);
[INFO] [stdout]    |            ----- ^^^ ^^^ ^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            fields in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing these fields
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Clubs` and `Spades` are never constructed
[INFO] [stdout]   --> src/comple_type.rs:96:9
[INFO] [stdout]    |
[INFO] [stdout] 95 |     enum PokerSuit {
[INFO] [stdout]    |          --------- variants in this enum
[INFO] [stdout] 96 |         Clubs,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 97 |         Spades,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PokerSuit` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `East`, `West`, and `North` are never constructed
[INFO] [stdout]  --> src/match.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     enum Direction {
[INFO] [stdout]   |          --------- variants in this enum
[INFO] [stdout] 5 |         East,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout] 6 |         West,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout] 7 |         North,
[INFO] [stdout]   |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `2` is never read
[INFO] [stdout]   --> src/match.rs:27:32
[INFO] [stdout]    |
[INFO] [stdout] 27 |         ChangeColorRGB(u16,u16,u16),
[INFO] [stdout]    |         --------------         ^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 27 |         ChangeColorRGB(u16,u16,()),
[INFO] [stdout]    |                                ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `content` is never read
[INFO] [stdout]   --> src/trait.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 7  |     pub struct Post {
[INFO] [stdout]    |                ---- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 10 |         pub content: String //内容
[INFO] [stdout]    |             ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "b96c46ae55c0e8a5b09143f7b40217040046712abcd9da16304d5dd74616fe85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b96c46ae55c0e8a5b09143f7b40217040046712abcd9da16304d5dd74616fe85", kill_on_drop: false }`
[INFO] [stdout] b96c46ae55c0e8a5b09143f7b40217040046712abcd9da16304d5dd74616fe85