[INFO] cloning repository https://github.com/n-arms/khaki
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/n-arms/khaki" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fn-arms%2Fkhaki", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fn-arms%2Fkhaki'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 902cc6b48634334278ad7584db0e997623634e87
[INFO] checking n-arms/khaki against try#4e55a504843955c97eb06907c71f6f3e99208021 for pr-146978
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fn-arms%2Fkhaki" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/n-arms/khaki
[INFO] finished tweaking git repo https://github.com/n-arms/khaki
[INFO] tweaked toml for git repo https://github.com/n-arms/khaki written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/n-arms/khaki on toolchain 4e55a504843955c97eb06907c71f6f3e99208021
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4e55a504843955c97eb06907c71f6f3e99208021" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/n-arms/khaki 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" "+4e55a504843955c97eb06907c71f6f3e99208021" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ariadne v0.5.0
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4e55a504843955c97eb06907c71f6f3e99208021" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2a655dec69fc2b123b58cdae6e9c0e36b43e0efc46e815c8b47e83ca85ec1522
[INFO] running `Command { std: "docker" "start" "-a" "2a655dec69fc2b123b58cdae6e9c0e36b43e0efc46e815c8b47e83ca85ec1522", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2a655dec69fc2b123b58cdae6e9c0e36b43e0efc46e815c8b47e83ca85ec1522", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a655dec69fc2b123b58cdae6e9c0e36b43e0efc46e815c8b47e83ca85ec1522", kill_on_drop: false }`
[INFO] [stdout] 2a655dec69fc2b123b58cdae6e9c0e36b43e0efc46e815c8b47e83ca85ec1522
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4e55a504843955c97eb06907c71f6f3e99208021" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2ee466eb3dd1d9975171a5145b49095583171cd5752085afcb2d74484c768704
[INFO] running `Command { std: "docker" "start" "-a" "2ee466eb3dd1d9975171a5145b49095583171cd5752085afcb2d74484c768704", kill_on_drop: false }`
[INFO] [stderr]     Checking ir v0.1.0 (/opt/rustwide/workdir/ir)
[INFO] [stderr]    Compiling im v15.1.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling cc v1.2.5
[INFO] [stderr]     Checking once_cell v1.20.2
[INFO] [stderr]     Checking yansi v1.0.1
[INFO] [stderr]     Checking ahash v0.8.11
[INFO] [stderr]     Checking rand_xoshiro v0.6.0
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> ir/src/parsed.rs:262:16
[INFO] [stdout]     |
[INFO] [stdout] 262 |     pub fn get(&self) -> Ref<Type> {
[INFO] [stdout]     |                ^^^^^     ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                |
[INFO] [stdout]     |                the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 262 |     pub fn get(&self) -> Ref<'_, Type> {
[INFO] [stdout]     |                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> ir/src/parsed.rs:262:16
[INFO] [stdout]     |
[INFO] [stdout] 262 |     pub fn get(&self) -> Ref<Type> {
[INFO] [stdout]     |                ^^^^^     ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                |
[INFO] [stdout]     |                the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 262 |     pub fn get(&self) -> Ref<'_, Type> {
[INFO] [stdout]     |                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking ariadne v0.5.0
[INFO] [stderr]     Checking lower v0.1.0 (/opt/rustwide/workdir/lower)
[INFO] [stderr]     Checking codegen v0.1.0 (/opt/rustwide/workdir/codegen)
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]    Compiling psm v0.1.24
[INFO] [stderr]    Compiling stacker v0.1.17
[INFO] [stderr]     Checking typer v0.1.0 (/opt/rustwide/workdir/typer)
[INFO] [stderr]     Checking lambda-set v0.1.0 (/opt/rustwide/workdir/lambda-set)
[INFO] [stderr]     Checking flatten v0.1.0 (/opt/rustwide/workdir/flatten)
[INFO] [stderr]     Checking chumsky v0.9.3
[INFO] [stdout] warning: unused import: `std::borrow::BorrowMut`
[INFO] [stdout]  --> typer/src/infer.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::borrow::BorrowMut;
[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: `std::borrow::BorrowMut`
[INFO] [stdout]  --> typer/src/infer.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::borrow::BorrowMut;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking parser v0.1.0 (/opt/rustwide/workdir/parser)
[INFO] [stderr]     Checking khaki v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.39s
[INFO] running `Command { std: "docker" "inspect" "2ee466eb3dd1d9975171a5145b49095583171cd5752085afcb2d74484c768704", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ee466eb3dd1d9975171a5145b49095583171cd5752085afcb2d74484c768704", kill_on_drop: false }`
[INFO] [stdout] 2ee466eb3dd1d9975171a5145b49095583171cd5752085afcb2d74484c768704