[INFO] cloning repository https://github.com/load28/rust-study
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/load28/rust-study" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fload28%2Frust-study", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fload28%2Frust-study'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ba7df0142ea9a110e9746d78b7f19bec76ee8b4c
[INFO] checking load28/rust-study against master#f8f6997469237299c1d60814c7b9828602a1f8e4 for pr-143808
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fload28%2Frust-study" "/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/load28/rust-study
[INFO] finished tweaking git repo https://github.com/load28/rust-study
[INFO] tweaked toml for git repo https://github.com/load28/rust-study written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/load28/rust-study on toolchain f8f6997469237299c1d60814c7b9828602a1f8e4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f8f6997469237299c1d60814c7b9828602a1f8e4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/load28/rust-study 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" "+f8f6997469237299c1d60814c7b9828602a1f8e4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+f8f6997469237299c1d60814c7b9828602a1f8e4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 51adb33e1afa6917a4ae74e3fabb916ca6e81f938e0cf4da5883759e60c2bd18
[INFO] running `Command { std: "docker" "start" "-a" "51adb33e1afa6917a4ae74e3fabb916ca6e81f938e0cf4da5883759e60c2bd18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "51adb33e1afa6917a4ae74e3fabb916ca6e81f938e0cf4da5883759e60c2bd18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51adb33e1afa6917a4ae74e3fabb916ca6e81f938e0cf4da5883759e60c2bd18", kill_on_drop: false }`
[INFO] [stdout] 51adb33e1afa6917a4ae74e3fabb916ca6e81f938e0cf4da5883759e60c2bd18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+f8f6997469237299c1d60814c7b9828602a1f8e4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cd80a37fa839841153a0b0a8089bdfc45f91e13476dadb48cfcb46ef83490253
[INFO] running `Command { std: "docker" "start" "-a" "cd80a37fa839841153a0b0a8089bdfc45f91e13476dadb48cfcb46ef83490253", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.89
[INFO] [stderr]    Compiling hello-macro-derive v0.1.0 (/opt/rustwide/workdir/hello_macro/hello_macro_derive)
[INFO] [stderr]     Checking hello-macro v0.1.0 (/opt/rustwide/workdir/hello_macro)
[INFO] [stderr]     Checking login_system v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `access_token` and `refresh_token` are never read
[INFO] [stdout]   --> src/auth/oauth.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct OAuthLogin {
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 16 |     access_token: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 17 |     refresh_token: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Millimeters` is never constructed
[INFO] [stdout]   --> src/lib.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 | struct Millimeters(u32);
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Meters` is never constructed
[INFO] [stdout]   --> src/lib.rs:53:8
[INFO] [stdout]    |
[INFO] [stdout] 53 | struct Meters(u32);
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Wizard` is never used
[INFO] [stdout]   --> src/lib.rs:63:7
[INFO] [stdout]    |
[INFO] [stdout] 63 | trait Wizard {
[INFO] [stdout]    |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Pilot` is never used
[INFO] [stdout]   --> src/lib.rs:67:7
[INFO] [stdout]    |
[INFO] [stdout] 67 | trait Pilot {
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Human` is never constructed
[INFO] [stdout]   --> src/lib.rs:71:8
[INFO] [stdout]    |
[INFO] [stdout] 71 | struct Human {}
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Animal` is never used
[INFO] [stdout]   --> src/lib.rs:84:7
[INFO] [stdout]    |
[INFO] [stdout] 84 | trait Animal {
[INFO] [stdout]    |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Dog` is never constructed
[INFO] [stdout]   --> src/lib.rs:88:8
[INFO] [stdout]    |
[INFO] [stdout] 88 | struct Dog {}
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `eat` is never used
[INFO] [stdout]   --> src/lib.rs:97:8
[INFO] [stdout]    |
[INFO] [stdout] 96 | impl Dog {
[INFO] [stdout]    | -------- associated function in this implementation
[INFO] [stdout] 97 |     fn eat() -> String {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `SuperTrait` is never used
[INFO] [stdout]    --> src/lib.rs:102:7
[INFO] [stdout]     |
[INFO] [stdout] 102 | trait SuperTrait {
[INFO] [stdout]     |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `OutlinePrint` is never used
[INFO] [stdout]    --> src/lib.rs:109:7
[INFO] [stdout]     |
[INFO] [stdout] 109 | trait OutlinePrint: fmt::Display + SuperTrait {
[INFO] [stdout]     |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Point` is never constructed
[INFO] [stdout]    --> src/lib.rs:122:8
[INFO] [stdout]     |
[INFO] [stdout] 122 | struct Point {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Wrapper` is never constructed
[INFO] [stdout]    --> src/lib.rs:142:8
[INFO] [stdout]     |
[INFO] [stdout] 142 | struct Wrapper(Vec<String>);
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SmartVec` is never constructed
[INFO] [stdout]    --> src/lib.rs:150:8
[INFO] [stdout]     |
[INFO] [stdout] 150 | struct SmartVec(Vec<String>);
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `access_token` and `refresh_token` are never read
[INFO] [stdout]   --> src/auth/oauth.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct OAuthLogin {
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 16 |     access_token: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 17 |     refresh_token: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.28s
[INFO] running `Command { std: "docker" "inspect" "cd80a37fa839841153a0b0a8089bdfc45f91e13476dadb48cfcb46ef83490253", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd80a37fa839841153a0b0a8089bdfc45f91e13476dadb48cfcb46ef83490253", kill_on_drop: false }`
[INFO] [stdout] cd80a37fa839841153a0b0a8089bdfc45f91e13476dadb48cfcb46ef83490253