[INFO] fetching crate wordler 0.3.0...
[INFO] checking wordler-0.3.0 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate wordler 0.3.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate wordler 0.3.0
[INFO] finished tweaking crates.io crate wordler 0.3.0
[INFO] tweaked toml for crates.io crate wordler 0.3.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate wordler 0.3.0 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate wordler 0.3.0 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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a2f86e8f8b5c65a5e76afc0f7d263484b50ccac6f0f73ed3d8f80659f90d3620
[INFO] running `Command { std: "docker" "start" "-a" "a2f86e8f8b5c65a5e76afc0f7d263484b50ccac6f0f73ed3d8f80659f90d3620", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a2f86e8f8b5c65a5e76afc0f7d263484b50ccac6f0f73ed3d8f80659f90d3620", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2f86e8f8b5c65a5e76afc0f7d263484b50ccac6f0f73ed3d8f80659f90d3620", kill_on_drop: false }`
[INFO] [stdout] a2f86e8f8b5c65a5e76afc0f7d263484b50ccac6f0f73ed3d8f80659f90d3620
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 45cfe6683a281935c1eb1522cd765b5fde9ddd4591f9a2c11e4fe3eb8f26bf64
[INFO] running `Command { std: "docker" "start" "-a" "45cfe6683a281935c1eb1522cd765b5fde9ddd4591f9a2c11e4fe3eb8f26bf64", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.117
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling anyhow v1.0.53
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]     Checking getrandom v0.2.4
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking wordler v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `TestDict` is never constructed
[INFO] [stdout]    --> src/wordle.rs:206:12
[INFO] [stdout]     |
[INFO] [stdout] 206 |     struct TestDict;
[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/wordle.rs:98:17
[INFO] [stdout]    |
[INFO] [stdout] 98 |     pub fn play(&mut self, word: &str) -> Result<PlayResult> {
[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] 98 |     pub fn play(&mut self, word: &str) -> Result<PlayResult<'_>> {
[INFO] [stdout]    |                                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/wordle.rs:98:17
[INFO] [stdout]    |
[INFO] [stdout] 98 |     pub fn play(&mut self, word: &str) -> Result<PlayResult> {
[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] 98 |     pub fn play(&mut self, word: &str) -> Result<PlayResult<'_>> {
[INFO] [stdout]    |                                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.17s
[INFO] running `Command { std: "docker" "inspect" "45cfe6683a281935c1eb1522cd765b5fde9ddd4591f9a2c11e4fe3eb8f26bf64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45cfe6683a281935c1eb1522cd765b5fde9ddd4591f9a2c11e4fe3eb8f26bf64", kill_on_drop: false }`
[INFO] [stdout] 45cfe6683a281935c1eb1522cd765b5fde9ddd4591f9a2c11e4fe3eb8f26bf64