[INFO] cloning repository https://github.com/wibosa/rusty1
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wibosa/rusty1" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwibosa%2Frusty1", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwibosa%2Frusty1'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a15e98591a6566b86ce6deb94dd4dda1e8cb4613
[INFO] checking wibosa/rusty1 against try#d8a5ee01b913730aca7ab44c72c8f2722c0533ff for pr-139022
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwibosa%2Frusty1" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wibosa/rusty1 on toolchain d8a5ee01b913730aca7ab44c72c8f2722c0533ff
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d8a5ee01b913730aca7ab44c72c8f2722c0533ff" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/wibosa/rusty1
[INFO] finished tweaking git repo https://github.com/wibosa/rusty1
[INFO] tweaked toml for git repo https://github.com/wibosa/rusty1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/wibosa/rusty1 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" "+d8a5ee01b913730aca7ab44c72c8f2722c0533ff" "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
[ERROR] error running command: no output for 300 seconds
[INFO] checking wibosa/rusty1 against try#d8a5ee01b913730aca7ab44c72c8f2722c0533ff for pr-139022
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwibosa%2Frusty1" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wibosa/rusty1 on toolchain d8a5ee01b913730aca7ab44c72c8f2722c0533ff
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d8a5ee01b913730aca7ab44c72c8f2722c0533ff" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/wibosa/rusty1
[INFO] finished tweaking git repo https://github.com/wibosa/rusty1
[INFO] tweaked toml for git repo https://github.com/wibosa/rusty1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/wibosa/rusty1 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" "+d8a5ee01b913730aca7ab44c72c8f2722c0533ff" "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-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+d8a5ee01b913730aca7ab44c72c8f2722c0533ff" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0b426f5693feea13874fa97c479b586ddb51a4ac0939a7ca79707ba8b3aaae6e
[INFO] running `Command { std: "docker" "start" "-a" "0b426f5693feea13874fa97c479b586ddb51a4ac0939a7ca79707ba8b3aaae6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b426f5693feea13874fa97c479b586ddb51a4ac0939a7ca79707ba8b3aaae6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b426f5693feea13874fa97c479b586ddb51a4ac0939a7ca79707ba8b3aaae6e", kill_on_drop: false }`
[INFO] [stdout] 0b426f5693feea13874fa97c479b586ddb51a4ac0939a7ca79707ba8b3aaae6e
[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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+d8a5ee01b913730aca7ab44c72c8f2722c0533ff" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 101b7aad492fa6325583f28baea723921dfe68238241e6b8092fc9733fa507be
[INFO] running `Command { std: "docker" "start" "-a" "101b7aad492fa6325583f28baea723921dfe68238241e6b8092fc9733fa507be", kill_on_drop: false }`
[INFO] [stderr]     Checking rusty1 v0.2.2025 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `name` and `age` are never read
[INFO] [stdout]    --> src/main.rs:143:9
[INFO] [stdout]     |
[INFO] [stdout] 141 |     struct Person<'a> {
[INFO] [stdout]     |            ------ fields in this struct
[INFO] [stdout] 142 |         // The 'a defines a lifetime
[INFO] [stdout] 143 |         name: &'a str,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 144 |         age: u8,
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/main.rs:239:12
[INFO] [stdout]     |
[INFO] [stdout] 237 |     trait Animal {
[INFO] [stdout]     |           ------ associated function in this trait
[INFO] [stdout] 238 |         // Static method signature; `Self` refers to the implementor type.
[INFO] [stdout] 239 |         fn new(name: &'static str) -> Self;
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `age` are never read
[INFO] [stdout]    --> src/main.rs:143:9
[INFO] [stdout]     |
[INFO] [stdout] 141 |     struct Person<'a> {
[INFO] [stdout]     |            ------ fields in this struct
[INFO] [stdout] 142 |         // The 'a defines a lifetime
[INFO] [stdout] 143 |         name: &'a str,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 144 |         age: u8,
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/main.rs:239:12
[INFO] [stdout]     |
[INFO] [stdout] 237 |     trait Animal {
[INFO] [stdout]     |           ------ associated function in this trait
[INFO] [stdout] 238 |         // Static method signature; `Self` refers to the implementor type.
[INFO] [stdout] 239 |         fn new(name: &'static str) -> Self;
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] running `Command { std: "docker" "inspect" "101b7aad492fa6325583f28baea723921dfe68238241e6b8092fc9733fa507be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "101b7aad492fa6325583f28baea723921dfe68238241e6b8092fc9733fa507be", kill_on_drop: false }`
[INFO] [stdout] 101b7aad492fa6325583f28baea723921dfe68238241e6b8092fc9733fa507be