[INFO] fetching crate examination 0.2.0...
[INFO] checking examination-0.2.0 against master#6eda7419e71fdbc1185ed5be7e6bff1a474ab5cd for pr-153721
[INFO] extracting crate examination 0.2.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate examination 0.2.0
[INFO] finished tweaking crates.io crate examination 0.2.0
[INFO] tweaked toml for crates.io crate examination 0.2.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate examination 0.2.0 on toolchain 6eda7419e71fdbc1185ed5be7e6bff1a474ab5cd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6eda7419e71fdbc1185ed5be7e6bff1a474ab5cd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate examination 0.2.0 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" "+6eda7419e71fdbc1185ed5be7e6bff1a474ab5cd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cargo_metadata v0.19.0
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3e793bdf10248eb2ddbd6b0faebed8155c11b4589982e2893733958d93e8d540" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] dabded117129d8575bb7289ac440c53b9e08b94214e4b3cc2de44b9c77c39219
[INFO] running `Command { std: "docker" "start" "dabded117129d8575bb7289ac440c53b9e08b94214e4b3cc2de44b9c77c39219", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "dabded117129d8575bb7289ac440c53b9e08b94214e4b3cc2de44b9c77c39219" "/opt/rustwide/cargo-home/bin/cargo" "+6eda7419e71fdbc1185ed5be7e6bff1a474ab5cd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dabded117129d8575bb7289ac440c53b9e08b94214e4b3cc2de44b9c77c39219", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "dabded117129d8575bb7289ac440c53b9e08b94214e4b3cc2de44b9c77c39219" "/opt/rustwide/cargo-home/bin/cargo" "+6eda7419e71fdbc1185ed5be7e6bff1a474ab5cd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stderr]    Compiling gix v0.68.0
[INFO] [stderr]    Compiling examination v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: examination@0.2.0: Could not find a git repository in '/opt/rustwide/workdir' or in any of its parents within device limits below '/opt/rustwide'
[INFO] [stderr] warning: examination@0.2.0: VERGEN_GIT_BRANCH set to default
[INFO] [stderr] warning: examination@0.2.0: VERGEN_GIT_COMMIT_AUTHOR_EMAIL set to default
[INFO] [stderr] warning: examination@0.2.0: VERGEN_GIT_COMMIT_AUTHOR_NAME set to default
[INFO] [stderr] warning: examination@0.2.0: VERGEN_GIT_COMMIT_COUNT set to default
[INFO] [stderr] warning: examination@0.2.0: VERGEN_GIT_COMMIT_DATE set to default
[INFO] [stderr] warning: examination@0.2.0: VERGEN_GIT_COMMIT_MESSAGE set to default
[INFO] [stderr] warning: examination@0.2.0: VERGEN_GIT_COMMIT_TIMESTAMP set to default
[INFO] [stderr] warning: examination@0.2.0: VERGEN_GIT_DESCRIBE set to default
[INFO] [stderr] warning: examination@0.2.0: VERGEN_GIT_SHA set to default
[INFO] [stdout] warning: struct `Examination` is never constructed
[INFO] [stdout]    --> src/components/examination/question.rs:184:8
[INFO] [stdout]     |
[INFO] [stdout] 184 | struct Examination {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FpsCounter` is never constructed
[INFO] [stdout]   --> src/components/fps.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct FpsCounter {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `app_tick`, and `render_tick` are never used
[INFO] [stdout]   --> src/components/fps.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 33 | impl FpsCounter {
[INFO] [stdout]    | --------------- associated items in this implementation
[INFO] [stdout] 34 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 |     fn app_tick(&mut self) -> Result<()> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 57 |     fn render_tick(&mut self) -> Result<()> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/components/examination/question.rs:87:25
[INFO] [stdout]    |
[INFO] [stdout] 87 |     fn convert_question(&self, state: State, q_index: usize) -> Line {
[INFO] [stdout]    |                         ^^^^^ the lifetime is elided here       ^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 87 |     fn convert_question(&self, state: State, q_index: usize) -> Line<'_> {
[INFO] [stdout]    |                                                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Examination` is never constructed
[INFO] [stdout]    --> src/components/examination/question.rs:184:8
[INFO] [stdout]     |
[INFO] [stdout] 184 | struct Examination {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FpsCounter` is never constructed
[INFO] [stdout]   --> src/components/fps.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct FpsCounter {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `app_tick`, and `render_tick` are never used
[INFO] [stdout]   --> src/components/fps.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 33 | impl FpsCounter {
[INFO] [stdout]    | --------------- associated items in this implementation
[INFO] [stdout] 34 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 |     fn app_tick(&mut self) -> Result<()> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 57 |     fn render_tick(&mut self) -> Result<()> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/components/examination/question.rs:87:25
[INFO] [stdout]    |
[INFO] [stdout] 87 |     fn convert_question(&self, state: State, q_index: usize) -> Line {
[INFO] [stdout]    |                         ^^^^^ the lifetime is elided here       ^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 87 |     fn convert_question(&self, state: State, q_index: usize) -> Line<'_> {
[INFO] [stdout]    |                                                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 26s
[INFO] running `Command { std: "docker" "inspect" "dabded117129d8575bb7289ac440c53b9e08b94214e4b3cc2de44b9c77c39219", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dabded117129d8575bb7289ac440c53b9e08b94214e4b3cc2de44b9c77c39219", kill_on_drop: false }`
[INFO] [stdout] dabded117129d8575bb7289ac440c53b9e08b94214e4b3cc2de44b9c77c39219
