[INFO] cloning repository https://github.com/erenktw/final_project
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/erenktw/final_project" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ferenktw%2Ffinal_project", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ferenktw%2Ffinal_project'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6d91e856bdeccf9c0eaaf73bb0735d01786b8ba7
[INFO] checking erenktw/final_project against master#36b21637e93b038453924d3c66821089e71d8baa for pr-143164
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ferenktw%2Ffinal_project" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/erenktw/final_project
[INFO] finished tweaking git repo https://github.com/erenktw/final_project
[INFO] tweaked toml for git repo https://github.com/erenktw/final_project written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/erenktw/final_project on toolchain 36b21637e93b038453924d3c66821089e71d8baa
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36b21637e93b038453924d3c66821089e71d8baa" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/erenktw/final_project 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" "+36b21637e93b038453924d3c66821089e71d8baa" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ic-cdk v0.13.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+36b21637e93b038453924d3c66821089e71d8baa" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dfc5155ab2b4b27361cdb235c9c4fa87d18a3419777b242fc56b1a977e856f95
[INFO] running `Command { std: "docker" "start" "-a" "dfc5155ab2b4b27361cdb235c9c4fa87d18a3419777b242fc56b1a977e856f95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dfc5155ab2b4b27361cdb235c9c4fa87d18a3419777b242fc56b1a977e856f95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfc5155ab2b4b27361cdb235c9c4fa87d18a3419777b242fc56b1a977e856f95", kill_on_drop: false }`
[INFO] [stdout] dfc5155ab2b4b27361cdb235c9c4fa87d18a3419777b242fc56b1a977e856f95
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+36b21637e93b038453924d3c66821089e71d8baa" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0ca478dd75938839dbd629a777fd41e419cdcb0b1fa394a9fbaa4e4b1510c88c
[INFO] running `Command { std: "docker" "start" "-a" "0ca478dd75938839dbd629a777fd41e419cdcb0b1fa394a9fbaa4e4b1510c88c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]    Compiling serde v1.0.208
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling thiserror v1.0.63
[INFO] [stderr]    Compiling libc v0.2.158
[INFO] [stderr]    Compiling rustversion v1.0.17
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling anyhow v1.0.86
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]    Compiling cpufeatures v0.2.13
[INFO] [stderr]    Compiling crc32fast v1.4.2
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]    Compiling typed-arena v2.0.2
[INFO] [stderr]    Compiling data-encoding v2.6.0
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling unicode-width v0.1.13
[INFO] [stderr]    Compiling cc v1.1.13
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling pretty v0.12.3
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking pin-project-lite v0.2.14
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]    Compiling leb128 v0.2.5
[INFO] [stderr]    Compiling slotmap v1.0.7
[INFO] [stderr]     Checking ic0 v0.21.1
[INFO] [stderr]     Checking ic-stable-structures v0.5.6
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]    Compiling syn v2.0.75
[INFO] [stderr]    Compiling psm v0.1.21
[INFO] [stderr]    Compiling stacker v0.1.16
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]    Compiling serde_derive v1.0.208
[INFO] [stderr]    Compiling thiserror-impl v1.0.63
[INFO] [stderr]    Compiling candid_derive v0.6.6
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling binread_derive v2.1.0
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]    Compiling binread v2.2.0
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking serde_bytes v0.11.15
[INFO] [stderr]     Checking ic_principal v0.1.1
[INFO] [stderr]    Compiling serde_tokenstream v0.1.7
[INFO] [stderr]     Checking candid v0.10.10
[INFO] [stderr]    Compiling ic-cdk-macros v0.13.2
[INFO] [stderr]     Checking ic-cdk v0.13.5
[INFO] [stderr]     Checking ic-cdk-timers v0.7.0
[INFO] [stderr]     Checking final_project_backend v0.1.0 (/opt/rustwide/workdir/src/final_project_backend)
[INFO] [stdout] warning: variants `AlreadyVoted`, `ProposalIsNotActive`, `InvalidChoice`, and `UpdateError` are never constructed
[INFO] [stdout]   --> src/final_project_backend/src/lib.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | enum VoteError {
[INFO] [stdout]    |      --------- variants in this enum
[INFO] [stdout] 19 |     AlreadyVoted,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 20 |     ProposalIsNotActive,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 21 |     InvalidChoice,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     UpdateError,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `AlreadyVoted`, `ProposalIsNotActive`, `InvalidChoice`, and `UpdateError` are never constructed
[INFO] [stdout]   --> src/final_project_backend/src/lib.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | enum VoteError {
[INFO] [stdout]    |      --------- variants in this enum
[INFO] [stdout] 19 |     AlreadyVoted,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 20 |     ProposalIsNotActive,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 21 |     InvalidChoice,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     UpdateError,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/final_project_backend/src/lib.rs:45:17
[INFO] [stdout]    |
[INFO] [stdout] 45 |     fn to_bytes(&self) -> Cow<[u8]> {
[INFO] [stdout]    |                 ^^^^^     --------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 45 |     fn to_bytes(&self) -> Cow<'_, [u8]> {
[INFO] [stdout]    |                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/final_project_backend/src/lib.rs:45:17
[INFO] [stdout]    |
[INFO] [stdout] 45 |     fn to_bytes(&self) -> Cow<[u8]> {
[INFO] [stdout]    |                 ^^^^^     --------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 45 |     fn to_bytes(&self) -> Cow<'_, [u8]> {
[INFO] [stdout]    |                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 36.18s
[INFO] running `Command { std: "docker" "inspect" "0ca478dd75938839dbd629a777fd41e419cdcb0b1fa394a9fbaa4e4b1510c88c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ca478dd75938839dbd629a777fd41e419cdcb0b1fa394a9fbaa4e4b1510c88c", kill_on_drop: false }`
[INFO] [stdout] 0ca478dd75938839dbd629a777fd41e419cdcb0b1fa394a9fbaa4e4b1510c88c
