[INFO] cloning repository https://github.com/qiuzhanghua/cot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/qiuzhanghua/cot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqiuzhanghua%2Fcot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqiuzhanghua%2Fcot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b68c056f759dcb53307a78eec7e062e39c1c1116
[INFO] checking qiuzhanghua/cot against try#4797991aa2efb6d658150f10425b3f3b5d10eceb for pr-143193
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqiuzhanghua%2Fcot" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/qiuzhanghua/cot
[INFO] finished tweaking git repo https://github.com/qiuzhanghua/cot
[INFO] tweaked toml for git repo https://github.com/qiuzhanghua/cot written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/qiuzhanghua/cot on toolchain 4797991aa2efb6d658150f10425b3f3b5d10eceb
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4797991aa2efb6d658150f10425b3f3b5d10eceb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/qiuzhanghua/cot 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" "+4797991aa2efb6d658150f10425b3f3b5d10eceb" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+4797991aa2efb6d658150f10425b3f3b5d10eceb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] afb4346409faa75bd37164f5434a651467c6e616efd0f511a979c3594cc7a664
[INFO] running `Command { std: "docker" "start" "-a" "afb4346409faa75bd37164f5434a651467c6e616efd0f511a979c3594cc7a664", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "afb4346409faa75bd37164f5434a651467c6e616efd0f511a979c3594cc7a664", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afb4346409faa75bd37164f5434a651467c6e616efd0f511a979c3594cc7a664", kill_on_drop: false }`
[INFO] [stdout] afb4346409faa75bd37164f5434a651467c6e616efd0f511a979c3594cc7a664
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+4797991aa2efb6d658150f10425b3f3b5d10eceb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 52d12f575cd1d24d78a610fffe868eeeba424b6bb3918683a94f2dfb09eb9228
[INFO] running `Command { std: "docker" "start" "-a" "52d12f575cd1d24d78a610fffe868eeeba424b6bb3918683a94f2dfb09eb9228", kill_on_drop: false }`
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[INFO] [stderr]    Compiling serde_derive v1.0.217
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[INFO] [stderr]     Checking cot v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/util/unzip.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::repl::*`
[INFO] [stdout]   --> src/util/mod.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub use self::repl::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/util/unzip.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::repl::*`
[INFO] [stdout]   --> src/util/mod.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub use self::repl::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `git_rev_of_tag` is never used
[INFO] [stdout]   --> src/util/git.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub fn git_rev_of_tag(tag: &str) -> Result<String> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `xdg_cache_home` is never used
[INFO] [stdout]   --> src/util/hf.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub fn xdg_cache_home() -> Result<String> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hf_datasets_cache` is never used
[INFO] [stdout]   --> src/util/hf.rs:70:8
[INFO] [stdout]    |
[INFO] [stdout] 70 | pub fn hf_datasets_cache() -> Result<String> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `expand_tilde` is never used
[INFO] [stdout]   --> src/util/mod.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn expand_tilde(path: &str) -> Option<String> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `git_installed` is never used
[INFO] [stdout]  --> src/util/git.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn git_installed() -> bool {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `git_head_hash` is never used
[INFO] [stdout]  --> src/util/git.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn git_head_hash() -> Option<String> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `git_dir_is_repo` is never used
[INFO] [stdout]   --> src/util/git.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn git_dir_is_repo(path: &str) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `git_rev_of_tag` is never used
[INFO] [stdout]   --> src/util/git.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub fn git_rev_of_tag(tag: &str) -> Result<String> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `xdg_cache_home` is never used
[INFO] [stdout]   --> src/util/hf.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub fn xdg_cache_home() -> Result<String> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hf_datasets_cache` is never used
[INFO] [stdout]   --> src/util/hf.rs:70:8
[INFO] [stdout]    |
[INFO] [stdout] 70 | pub fn hf_datasets_cache() -> Result<String> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `replace_envs` is never used
[INFO] [stdout]  --> src/util/repl.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn replace_envs(input: &str) -> String {
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 26.69s
[INFO] running `Command { std: "docker" "inspect" "52d12f575cd1d24d78a610fffe868eeeba424b6bb3918683a94f2dfb09eb9228", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52d12f575cd1d24d78a610fffe868eeeba424b6bb3918683a94f2dfb09eb9228", kill_on_drop: false }`
[INFO] [stdout] 52d12f575cd1d24d78a610fffe868eeeba424b6bb3918683a94f2dfb09eb9228