[INFO] cloning repository https://github.com/psushi/kai
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/psushi/kai" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpsushi%2Fkai", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpsushi%2Fkai'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e6144d9b04c8397b7b6195d9c8794b69f80277e2
[INFO] checking psushi/kai/e6144d9b04c8397b7b6195d9c8794b69f80277e2 against master#c8a31b780d5415358566a20b94912620a3f27067 for pr-139493-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpsushi%2Fkai" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/psushi/kai
[INFO] finished tweaking git repo https://github.com/psushi/kai
[INFO] tweaked toml for git repo https://github.com/psushi/kai written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/psushi/kai on toolchain c8a31b780d5415358566a20b94912620a3f27067
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c8a31b780d5415358566a20b94912620a3f27067" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/psushi/kai 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" "+c8a31b780d5415358566a20b94912620a3f27067" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded owo-colors v3.4.0
[INFO] [stderr]   Downloaded backtrace v0.3.66
[INFO] [stderr]   Downloaded color-spantrace v0.2.0
[INFO] [stderr]   Downloaded object v0.29.0
[INFO] [stderr]   Downloaded gimli v0.26.2
[INFO] [stderr]   Downloaded libc v0.2.127
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c8a31b780d5415358566a20b94912620a3f27067" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2bc143eee77296f79d19dce42287d747aa587dd9b283200a939c24dd02b3b622
[INFO] running `Command { std: "docker" "start" "-a" "2bc143eee77296f79d19dce42287d747aa587dd9b283200a939c24dd02b3b622", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2bc143eee77296f79d19dce42287d747aa587dd9b283200a939c24dd02b3b622", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bc143eee77296f79d19dce42287d747aa587dd9b283200a939c24dd02b3b622", kill_on_drop: false }`
[INFO] [stdout] 2bc143eee77296f79d19dce42287d747aa587dd9b283200a939c24dd02b3b622
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c8a31b780d5415358566a20b94912620a3f27067" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec4e92d5cc515d41711087283ae094cb174b9b0b21a7b32aaab49bf1c96a9b61
[INFO] running `Command { std: "docker" "start" "-a" "ec4e92d5cc515d41711087283ae094cb174b9b0b21a7b32aaab49bf1c96a9b61", kill_on_drop: false }`
[INFO] [stderr]     Checking once_cell v1.13.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling libc v0.2.127
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking gimli v0.26.2
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking indenter v0.3.3
[INFO] [stderr]     Checking owo-colors v3.4.0
[INFO] [stderr]     Checking yansi v0.5.1
[INFO] [stderr]     Checking miniz_oxide v0.5.3
[INFO] [stderr]     Checking tracing-core v0.1.29
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]     Checking eyre v0.6.8
[INFO] [stderr]     Checking object v0.29.0
[INFO] [stderr]    Compiling backtrace v0.3.66
[INFO] [stderr]     Checking tracing v0.1.36
[INFO] [stderr]     Checking tracing-subscriber v0.3.15
[INFO] [stderr]     Checking tracing-error v0.2.0
[INFO] [stderr]     Checking color-spantrace v0.2.0
[INFO] [stderr]     Checking addr2line v0.17.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.32
[INFO] [stderr]     Checking color-eyre v0.6.2
[INFO] [stderr]     Checking thiserror v1.0.32
[INFO] [stderr]     Checking kai v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `format`
[INFO] [stdout]  --> src/expression.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt::{format, Display};
[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: `format`
[INFO] [stdout]  --> src/expression.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt::{format, Display};
[INFO] [stdout]   |                ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `ReversePolish` is never used
[INFO] [stdout]   --> src/expression.rs:18:11
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub trait ReversePolish {
[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 9.36s
[INFO] running `Command { std: "docker" "inspect" "ec4e92d5cc515d41711087283ae094cb174b9b0b21a7b32aaab49bf1c96a9b61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec4e92d5cc515d41711087283ae094cb174b9b0b21a7b32aaab49bf1c96a9b61", kill_on_drop: false }`
[INFO] [stdout] ec4e92d5cc515d41711087283ae094cb174b9b0b21a7b32aaab49bf1c96a9b61