[INFO] fetching crate PiHao_learn_rust_crate_upload 0.1.0...
[INFO] checking PiHao_learn_rust_crate_upload-0.1.0 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate PiHao_learn_rust_crate_upload 0.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate PiHao_learn_rust_crate_upload 0.1.0
[INFO] finished tweaking crates.io crate PiHao_learn_rust_crate_upload 0.1.0
[INFO] tweaked toml for crates.io crate PiHao_learn_rust_crate_upload 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate PiHao_learn_rust_crate_upload 0.1.0 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate PiHao_learn_rust_crate_upload 0.1.0 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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ce9aaecb956cbe5bfa8b0822cb19f28ed9890d5960c297f1715b9a08f59f0009
[INFO] running `Command { std: "docker" "start" "-a" "ce9aaecb956cbe5bfa8b0822cb19f28ed9890d5960c297f1715b9a08f59f0009", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce9aaecb956cbe5bfa8b0822cb19f28ed9890d5960c297f1715b9a08f59f0009", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce9aaecb956cbe5bfa8b0822cb19f28ed9890d5960c297f1715b9a08f59f0009", kill_on_drop: false }`
[INFO] [stdout] ce9aaecb956cbe5bfa8b0822cb19f28ed9890d5960c297f1715b9a08f59f0009
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 70a24314639c3c722d1c6ffdfb99eb5e349538c298abd0e269aee4b787d3daa0
[INFO] running `Command { std: "docker" "start" "-a" "70a24314639c3c722d1c6ffdfb99eb5e349538c298abd0e269aee4b787d3daa0", kill_on_drop: false }`
[INFO] [stderr]     Checking PiHao_learn_rust_crate_upload v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: crate `PiHao_learn_rust_crate_upload` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = help: convert the identifier to snake case: `pi_hao_learn_rust_crate_upload`
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:69:7
[INFO] [stdout]    |
[INFO] [stdout] 69 |   let mut cter= Counter::new();
[INFO] [stdout]    |       ----^^^^
[INFO] [stdout]    |       |
[INFO] [stdout]    |       help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `testShow` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:52:4
[INFO] [stdout]    |
[INFO] [stdout] 52 | fn testShow (){
[INFO] [stdout]    |    ^^^^^^^^ help: convert the identifier to snake case: `test_show`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "70a24314639c3c722d1c6ffdfb99eb5e349538c298abd0e269aee4b787d3daa0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70a24314639c3c722d1c6ffdfb99eb5e349538c298abd0e269aee4b787d3daa0", kill_on_drop: false }`
[INFO] [stdout] 70a24314639c3c722d1c6ffdfb99eb5e349538c298abd0e269aee4b787d3daa0