[INFO] fetching crate tune 0.35.0...
[INFO] checking tune-0.35.0 against try#81ab7f2139295590561adbe6d5b0aaa2feff765f for pr-146470-3
[INFO] extracting crate tune 0.35.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate tune 0.35.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate tune 0.35.0
[INFO] tweaked toml for crates.io crate tune 0.35.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tune 0.35.0 on toolchain 81ab7f2139295590561adbe6d5b0aaa2feff765f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+81ab7f2139295590561adbe6d5b0aaa2feff765f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate tune 0.35.0 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" "+81ab7f2139295590561adbe6d5b0aaa2feff765f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+81ab7f2139295590561adbe6d5b0aaa2feff765f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d00ff11a370e83f51233d485345548f3e658ab3916948e94f09f7108efc83598
[INFO] running `Command { std: "docker" "start" "-a" "d00ff11a370e83f51233d485345548f3e658ab3916948e94f09f7108efc83598", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d00ff11a370e83f51233d485345548f3e658ab3916948e94f09f7108efc83598", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d00ff11a370e83f51233d485345548f3e658ab3916948e94f09f7108efc83598", kill_on_drop: false }`
[INFO] [stdout] d00ff11a370e83f51233d485345548f3e658ab3916948e94f09f7108efc83598
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+81ab7f2139295590561adbe6d5b0aaa2feff765f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 642469e73aee18400eb15e30cb8b8d51be82a85745684b318877cc042d19b564
[INFO] running `Command { std: "docker" "start" "-a" "642469e73aee18400eb15e30cb8b8d51be82a85745684b318877cc042d19b564", kill_on_drop: false }`
[INFO] [stderr]     Checking assert_approx_eq v1.1.0
[INFO] [stderr]     Checking tune v0.35.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0446]: private trait `NumCast<Self>` in public interface
[INFO] [stdout]    --> src/pergen.rs:295:5
[INFO] [stdout]     |
[INFO] [stdout] 295 |     type Sharpness: NumCast<Self>;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't leak private trait
[INFO] [stdout] ...
[INFO] [stdout] 997 | trait NumCast<T>: NumBase + From<T> {}
[INFO] [stdout]     | ----------------------------------- `NumCast<Self>` declared as private
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0446]: private trait `NumCast<Self>` in public interface
[INFO] [stdout]    --> src/pergen.rs:296:5
[INFO] [stdout]     |
[INFO] [stdout] 296 |     type TotalSteps: NumCast<Self>;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't leak private trait
[INFO] [stdout] ...
[INFO] [stdout] 997 | trait NumCast<T>: NumBase + From<T> {}
[INFO] [stdout]     | ----------------------------------- `NumCast<Self>` declared as private
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/scala/mod.rs:371:19
[INFO] [stdout]     |
[INFO] [stdout] 371 |     pub fn export(&self) -> SclExport {
[INFO] [stdout]     |                   ^^^^^     ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   the lifetime is elided 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] 371 |     pub fn export(&self) -> SclExport<'_> {
[INFO] [stdout]     |                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/scala/mod.rs:761:19
[INFO] [stdout]     |
[INFO] [stdout] 761 |     pub fn export(&self) -> KbmExport {
[INFO] [stdout]     |                   ^^^^^     ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 761 |     pub fn export(&self) -> KbmExport<'_> {
[INFO] [stdout]     |                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0446`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tune` (lib) due to 2 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0446]: private trait `NumCast<Self>` in public interface
[INFO] [stdout]    --> src/pergen.rs:295:5
[INFO] [stdout]     |
[INFO] [stdout] 295 |     type Sharpness: NumCast<Self>;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't leak private trait
[INFO] [stdout] ...
[INFO] [stdout] 997 | trait NumCast<T>: NumBase + From<T> {}
[INFO] [stdout]     | ----------------------------------- `NumCast<Self>` declared as private
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0446]: private trait `NumCast<Self>` in public interface
[INFO] [stdout]    --> src/pergen.rs:296:5
[INFO] [stdout]     |
[INFO] [stdout] 296 |     type TotalSteps: NumCast<Self>;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't leak private trait
[INFO] [stdout] ...
[INFO] [stdout] 997 | trait NumCast<T>: NumBase + From<T> {}
[INFO] [stdout]     | ----------------------------------- `NumCast<Self>` declared as private
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/scala/mod.rs:371:19
[INFO] [stdout]     |
[INFO] [stdout] 371 |     pub fn export(&self) -> SclExport {
[INFO] [stdout]     |                   ^^^^^     ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   the lifetime is elided 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] 371 |     pub fn export(&self) -> SclExport<'_> {
[INFO] [stdout]     |                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/scala/mod.rs:761:19
[INFO] [stdout]     |
[INFO] [stdout] 761 |     pub fn export(&self) -> KbmExport {
[INFO] [stdout]     |                   ^^^^^     ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 761 |     pub fn export(&self) -> KbmExport<'_> {
[INFO] [stdout]     |                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0446`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tune` (lib test) due to 2 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "642469e73aee18400eb15e30cb8b8d51be82a85745684b318877cc042d19b564", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "642469e73aee18400eb15e30cb8b8d51be82a85745684b318877cc042d19b564", kill_on_drop: false }`
[INFO] [stdout] 642469e73aee18400eb15e30cb8b8d51be82a85745684b318877cc042d19b564