[INFO] cloning repository https://github.com/JacoMalan1/backdown
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JacoMalan1/backdown" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJacoMalan1%2Fbackdown", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJacoMalan1%2Fbackdown'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3a748f76410493f22a2700d9b1ff501b054e7291
[INFO] checking JacoMalan1/backdown against master#642c19bfc3a5c1de985bf5d0cc8207ac9d22708a for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJacoMalan1%2Fbackdown" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/JacoMalan1/backdown
[INFO] finished tweaking git repo https://github.com/JacoMalan1/backdown
[INFO] tweaked toml for git repo https://github.com/JacoMalan1/backdown written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/JacoMalan1/backdown on toolchain 642c19bfc3a5c1de985bf5d0cc8207ac9d22708a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/JacoMalan1/backdown 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" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sha256 v1.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6a9be757ab651054ea42470a7b12c6358883e28d8d72e9ce33259f0caa1712de
[INFO] running `Command { std: "docker" "start" "-a" "6a9be757ab651054ea42470a7b12c6358883e28d8d72e9ce33259f0caa1712de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a9be757ab651054ea42470a7b12c6358883e28d8d72e9ce33259f0caa1712de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a9be757ab651054ea42470a7b12c6358883e28d8d72e9ce33259f0caa1712de", kill_on_drop: false }`
[INFO] [stdout] 6a9be757ab651054ea42470a7b12c6358883e28d8d72e9ce33259f0caa1712de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e092875e3cf550e04bb6a1ec1126061077efceb6878fca4b5025ca078a99342e
[INFO] running `Command { std: "docker" "start" "-a" "e092875e3cf550e04bb6a1ec1126061077efceb6878fca4b5025ca078a99342e", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.204
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking bytes v1.6.1
[INFO] [stderr]    Compiling syn v2.0.72
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking inotify-sys v0.1.5
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking inotify v0.9.6
[INFO] [stderr]     Checking filetime v0.2.23
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking crossbeam-channel v0.5.13
[INFO] [stderr]     Checking notify v6.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.204
[INFO] [stderr]    Compiling tokio-macros v2.3.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling async-trait v0.1.81
[INFO] [stderr]    Compiling thiserror-impl v1.0.63
[INFO] [stderr]    Compiling async-recursion v1.1.1
[INFO] [stderr]     Checking tokio v1.38.1
[INFO] [stderr]     Checking thiserror v1.0.63
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking tokio-util v0.7.11
[INFO] [stderr]     Checking sha256 v1.5.0
[INFO] [stderr]     Checking bitflags v2.6.0
[INFO] [stderr]     Checking serde_json v1.0.120
[INFO] [stderr]     Checking ron v0.8.1
[INFO] [stderr]     Checking vertebrae v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `timestamp` is never read
[INFO] [stdout]   --> src/worker/intent.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct WorkerIntent {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 13 |     pub timestamp: SystemTime,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `WorkerIntent` has derived impls for the traits `Clone` and `Debug`, but these are 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 `timestamp` is never read
[INFO] [stdout]   --> src/worker/intent.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct WorkerIntent {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 13 |     pub timestamp: SystemTime,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `WorkerIntent` has derived impls for the traits `Clone` and `Debug`, but these are 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: method `remove_stale` is never used
[INFO] [stdout]   --> src/worker/intent.rs:66:12
[INFO] [stdout]    |
[INFO] [stdout] 29 | impl IntentList {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 66 |     pub fn remove_stale(&self, max_age: Duration) -> Vec<WorkerIntent> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `remove_stale` is never used
[INFO] [stdout]   --> src/worker/intent.rs:66:12
[INFO] [stdout]    |
[INFO] [stdout] 29 | impl IntentList {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 66 |     pub fn remove_stale(&self, max_age: Duration) -> Vec<WorkerIntent> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 26.01s
[INFO] running `Command { std: "docker" "inspect" "e092875e3cf550e04bb6a1ec1126061077efceb6878fca4b5025ca078a99342e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e092875e3cf550e04bb6a1ec1126061077efceb6878fca4b5025ca078a99342e", kill_on_drop: false }`
[INFO] [stdout] e092875e3cf550e04bb6a1ec1126061077efceb6878fca4b5025ca078a99342e