[INFO] cloning repository https://github.com/fanmucc/rust-practise
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fanmucc/rust-practise" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffanmucc%2Frust-practise", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffanmucc%2Frust-practise'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 797c15ce8f8bd664ebbf8c80b50b76f90df15afc
[INFO] checking fanmucc/rust-practise against try#39605810efb1a0d52f955bfba9e4eec7a01d5deb for pr-153692
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffanmucc%2Frust-practise" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/fanmucc/rust-practise
[INFO] finished tweaking git repo https://github.com/fanmucc/rust-practise
[INFO] tweaked toml for git repo https://github.com/fanmucc/rust-practise written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/fanmucc/rust-practise on toolchain 39605810efb1a0d52f955bfba9e4eec7a01d5deb
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+39605810efb1a0d52f955bfba9e4eec7a01d5deb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/fanmucc/rust-practise 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" "+39605810efb1a0d52f955bfba9e4eec7a01d5deb" "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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+39605810efb1a0d52f955bfba9e4eec7a01d5deb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e214dd6d0dce69c14bb990f3de6bde63bafe10fa848509f0e368c457fd9863aa
[INFO] running `Command { std: "docker" "start" "-a" "e214dd6d0dce69c14bb990f3de6bde63bafe10fa848509f0e368c457fd9863aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e214dd6d0dce69c14bb990f3de6bde63bafe10fa848509f0e368c457fd9863aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e214dd6d0dce69c14bb990f3de6bde63bafe10fa848509f0e368c457fd9863aa", kill_on_drop: false }`
[INFO] [stdout] e214dd6d0dce69c14bb990f3de6bde63bafe10fa848509f0e368c457fd9863aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+39605810efb1a0d52f955bfba9e4eec7a01d5deb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6bf4ce8922651c338f991590c6ea765da37661fd3ed20c25a32c499ba805472d
[INFO] running `Command { std: "docker" "start" "-a" "6bf4ce8922651c338f991590c6ea765da37661fd3ed20c25a32c499ba805472d", kill_on_drop: false }`
[INFO] [stderr]     Checking rust-practise v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `email` is never read
[INFO] [stdout]  --> src/day1/structs.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     struct Person {
[INFO] [stdout]   |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 8 |         email: String,
[INFO] [stdout]   |         ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Person` 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: field `email` is never read
[INFO] [stdout]  --> src/day1/structs.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     struct Person {
[INFO] [stdout]   |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 8 |         email: String,
[INFO] [stdout]   |         ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Person` 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 `name`, `age`, and `email` are never read
[INFO] [stdout]   --> src/day1/structs.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 56 |     struct SimplePerson {
[INFO] [stdout]    |            ------------ fields in this struct
[INFO] [stdout] 57 |         name: String,  // String 已经实现了 Default
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 58 |         age: u32,      // u32 已经实现了 Default
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 59 |         email: String, // String 已经实现了 Default
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SimplePerson` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name`, `age`, and `email` are never read
[INFO] [stdout]   --> src/day1/structs.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 56 |     struct SimplePerson {
[INFO] [stdout]    |            ------------ fields in this struct
[INFO] [stdout] 57 |         name: String,  // String 已经实现了 Default
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 58 |         age: u32,      // u32 已经实现了 Default
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 59 |         email: String, // String 已经实现了 Default
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SimplePerson` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] running `Command { std: "docker" "inspect" "6bf4ce8922651c338f991590c6ea765da37661fd3ed20c25a32c499ba805472d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bf4ce8922651c338f991590c6ea765da37661fd3ed20c25a32c499ba805472d", kill_on_drop: false }`
[INFO] [stdout] 6bf4ce8922651c338f991590c6ea765da37661fd3ed20c25a32c499ba805472d