[INFO] cloning repository https://github.com/memoryleak47/condsynth
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/memoryleak47/condsynth" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmemoryleak47%2Fcondsynth", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmemoryleak47%2Fcondsynth'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a712a8ec1f6bbe01833cbc4ac6a5afb40481472a
[INFO] checking memoryleak47/condsynth against master#09a371361240e42b0d69438fd1179efcf212e576 for pr-157814-crater-rollup
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmemoryleak47%2Fcondsynth" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/memoryleak47/condsynth
[INFO] finished tweaking git repo https://github.com/memoryleak47/condsynth
[INFO] tweaked toml for git repo https://github.com/memoryleak47/condsynth written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/memoryleak47/condsynth on toolchain 09a371361240e42b0d69438fd1179efcf212e576
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09a371361240e42b0d69438fd1179efcf212e576" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/memoryleak47/condsynth 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" "+09a371361240e42b0d69438fd1179efcf212e576" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded symbol_table v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] ca4edd9804466818c40331ea2b77d2aa7192bb02a781b2f32072dffd4261262f
[INFO] running `Command { std: "docker" "start" "ca4edd9804466818c40331ea2b77d2aa7192bb02a781b2f32072dffd4261262f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "ca4edd9804466818c40331ea2b77d2aa7192bb02a781b2f32072dffd4261262f" "/opt/rustwide/cargo-home/bin/cargo" "+09a371361240e42b0d69438fd1179efcf212e576" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca4edd9804466818c40331ea2b77d2aa7192bb02a781b2f32072dffd4261262f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "ca4edd9804466818c40331ea2b77d2aa7192bb02a781b2f32072dffd4261262f" "/opt/rustwide/cargo-home/bin/cargo" "+09a371361240e42b0d69438fd1179efcf212e576" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking foldhash v0.1.5
[INFO] [stderr]     Checking hashbrown v0.15.4
[INFO] [stderr]     Checking symbol_table v0.4.0
[INFO] [stderr]     Checking indexmap v2.10.0
[INFO] [stderr]     Checking condsynth v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::*`
[INFO] [stdout]  --> src/core.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::*;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::*`
[INFO] [stdout]  --> src/core.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::*;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `delta` is never used
[INFO] [stdout]  --> src/mysynth.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn delta(x: usize, y: usize) -> usize {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `delta` is never used
[INFO] [stdout]  --> src/mysynth.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn delta(x: usize, y: usize) -> usize {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.83s
[INFO] running `Command { std: "docker" "inspect" "ca4edd9804466818c40331ea2b77d2aa7192bb02a781b2f32072dffd4261262f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca4edd9804466818c40331ea2b77d2aa7192bb02a781b2f32072dffd4261262f", kill_on_drop: false }`
[INFO] [stdout] ca4edd9804466818c40331ea2b77d2aa7192bb02a781b2f32072dffd4261262f
