[INFO] cloning repository https://github.com/DrAugus/rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DrAugus/rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDrAugus%2Frust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDrAugus%2Frust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9f4776e7abd53d203fb3636c23c54c5151cb3f8c
[INFO] checking DrAugus/rust/9f4776e7abd53d203fb3636c23c54c5151cb3f8c against 1ed2df61a19042f231709eb05d032ae9e2cb2084 for pr-160235
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDrAugus%2Frust" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/DrAugus/rust
[INFO] finished tweaking git repo https://github.com/DrAugus/rust
[INFO] tweaked toml for git repo https://github.com/DrAugus/rust written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/DrAugus/rust on toolchain 1ed2df61a19042f231709eb05d032ae9e2cb2084
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1ed2df61a19042f231709eb05d032ae9e2cb2084" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1ed2df61a19042f231709eb05d032ae9e2cb2084" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 22 packages to latest compatible versions
[INFO] [stderr]       Adding rand v0.8.7 (available: v0.10.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1ed2df61a19042f231709eb05d032ae9e2cb2084" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:00c5645b54fe3ce5dae1417175e3c7fb6a6646c021d554ecd63a097b8b9f3602" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 74165f7f5048396db90dc2ce32000553c804e323c8d64fb9e128a48007a07e0a
[INFO] running `Command { std: "docker" "start" "74165f7f5048396db90dc2ce32000553c804e323c8d64fb9e128a48007a07e0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "74165f7f5048396db90dc2ce32000553c804e323c8d64fb9e128a48007a07e0a", 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" "74165f7f5048396db90dc2ce32000553c804e323c8d64fb9e128a48007a07e0a" "/opt/rustwide/cargo-home/bin/cargo" "+1ed2df61a19042f231709eb05d032ae9e2cb2084" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "74165f7f5048396db90dc2ce32000553c804e323c8d64fb9e128a48007a07e0a", 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" "74165f7f5048396db90dc2ce32000553c804e323c8d64fb9e128a48007a07e0a" "/opt/rustwide/cargo-home/bin/cargo" "+1ed2df61a19042f231709eb05d032ae9e2cb2084" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.189
[INFO] [stderr]     Checking num-integer v0.1.47
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking num-bigint v0.4.8
[INFO] [stderr]     Checking num-iter v0.1.46
[INFO] [stderr]     Checking getrandom v0.2.17
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking num v0.4.3
[INFO] [stderr]     Checking rand v0.8.7
[INFO] [stderr]     Checking rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0428]: the name `tests` is defined multiple times
[INFO] [stdout]   --> src/error_handle.rs:97:1
[INFO] [stdout]    |
[INFO] [stdout] 28 | mod tests {
[INFO] [stdout]    | --------- previous definition of the module `tests` here
[INFO] [stdout] ...
[INFO] [stdout] 97 | mod tests {
[INFO] [stdout]    | ^^^^^^^^^ `tests` redefined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `tests` must be defined only once in the type namespace of this module
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Pilot` is never used
[INFO] [stdout]   --> src/implement.rs:16:7
[INFO] [stdout]    |
[INFO] [stdout] 16 | trait Pilot {
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `fly` is never used
[INFO] [stdout]   --> src/implement.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | trait Wizard {
[INFO] [stdout]    |       ------ method in this trait
[INFO] [stdout] 21 |     fn fly(&self);
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `width`, `height`, and `label` are never read
[INFO] [stdout]   --> src/feature.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct Button {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 26 |     pub width: u32,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 27 |     pub height: u32,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 28 |     pub label: String,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `DivisionError` is never used
[INFO] [stdout]   --> src/error_handle.rs:54:10
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub enum DivisionError {
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `NotDivisibleError` is never constructed
[INFO] [stdout]   --> src/error_handle.rs:60:12
[INFO] [stdout]    |
[INFO] [stdout] 60 | pub struct NotDivisibleError {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `divide` is never used
[INFO] [stdout]   --> src/error_handle.rs:67:8
[INFO] [stdout]    |
[INFO] [stdout] 67 | pub fn divide(a: i32, b: i32) -> Result<i32, DivisionError> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `result_with_list` is never used
[INFO] [stdout]   --> src/error_handle.rs:82:4
[INFO] [stdout]    |
[INFO] [stdout] 82 | fn result_with_list() -> Result<Vec<i32>, DivisionError> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `list_of_results` is never used
[INFO] [stdout]   --> src/error_handle.rs:90:4
[INFO] [stdout]    |
[INFO] [stdout] 90 | fn list_of_results() -> Vec<Result<i32, DivisionError>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0428`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust` (bin "rust" test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "74165f7f5048396db90dc2ce32000553c804e323c8d64fb9e128a48007a07e0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74165f7f5048396db90dc2ce32000553c804e323c8d64fb9e128a48007a07e0a", kill_on_drop: false }`
[INFO] [stdout] 74165f7f5048396db90dc2ce32000553c804e323c8d64fb9e128a48007a07e0a
