[INFO] cloning repository https://github.com/ddmngz/rust-copy-update
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ddmngz/rust-copy-update" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fddmngz%2Frust-copy-update", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fddmngz%2Frust-copy-update'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 337486519b07b8ad2396211e6f326016a6abb6bb
[INFO] checking ddmngz/rust-copy-update against try#81ab7f2139295590561adbe6d5b0aaa2feff765f for pr-146470-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fddmngz%2Frust-copy-update" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ddmngz/rust-copy-update
[INFO] finished tweaking git repo https://github.com/ddmngz/rust-copy-update
[INFO] tweaked toml for git repo https://github.com/ddmngz/rust-copy-update written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ddmngz/rust-copy-update 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 git repo https://github.com/ddmngz/rust-copy-update 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] fbd325aa412b635480f8d6d9956b8f24d272db8c2cefdffdacc8b0aac221b12a
[INFO] running `Command { std: "docker" "start" "-a" "fbd325aa412b635480f8d6d9956b8f24d272db8c2cefdffdacc8b0aac221b12a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fbd325aa412b635480f8d6d9956b8f24d272db8c2cefdffdacc8b0aac221b12a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbd325aa412b635480f8d6d9956b8f24d272db8c2cefdffdacc8b0aac221b12a", kill_on_drop: false }`
[INFO] [stdout] fbd325aa412b635480f8d6d9956b8f24d272db8c2cefdffdacc8b0aac221b12a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 9de5942855b5bca7fa636f7c44a48907b08ebabd3003ab1d790d7c9f32a4ae8e
[INFO] running `Command { std: "docker" "start" "-a" "9de5942855b5bca7fa636f7c44a48907b08ebabd3003ab1d790d7c9f32a4ae8e", kill_on_drop: false }`
[INFO] [stderr]     Checking rcu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0446]: private trait `RcuWriteGuard<'a, T>` in public interface
[INFO] [stdout]   --> src/lib.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     type WriteGuard: RcuWriteGuard<'a, T>;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't leak private trait
[INFO] [stdout] ...
[INFO] [stdout] 22 | trait RcuWriteGuard<'a, T: Sync + 'a> {
[INFO] [stdout]    | ------------------------------------- `RcuWriteGuard<'a, T>` declared as private
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/evil_rcu.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | impl<'a, T: Sync + 'a> EvilRcu<T> {
[INFO] [stdout]    | --------------------------------- associated function in this implementation
[INFO] [stdout] 36 |     fn new(data: T) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/evil_rcu.rs:55:8
[INFO] [stdout]    |
[INFO] [stdout] 54 | impl<T: Sync> EvilRcuInner<T> {
[INFO] [stdout]    | ----------------------------- associated function in this implementation
[INFO] [stdout] 55 |     fn new(data: Arc<T>) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/evil_rcu.rs:26:27
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn write(&'a self) -> EvilWriteGuard<T> {
[INFO] [stdout]    |               --          ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |               |
[INFO] [stdout]    |               the lifetime is named 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: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn write(&'a self) -> EvilWriteGuard<'a, T> {
[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 `rcu` (lib test) due to 1 previous error; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0446]: private trait `RcuWriteGuard<'a, T>` in public interface
[INFO] [stdout]   --> src/lib.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     type WriteGuard: RcuWriteGuard<'a, T>;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't leak private trait
[INFO] [stdout] ...
[INFO] [stdout] 22 | trait RcuWriteGuard<'a, T: Sync + 'a> {
[INFO] [stdout]    | ------------------------------------- `RcuWriteGuard<'a, T>` declared as private
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/evil_rcu.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | impl<'a, T: Sync + 'a> EvilRcu<T> {
[INFO] [stdout]    | --------------------------------- associated function in this implementation
[INFO] [stdout] 36 |     fn new(data: T) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/evil_rcu.rs:55:8
[INFO] [stdout]    |
[INFO] [stdout] 54 | impl<T: Sync> EvilRcuInner<T> {
[INFO] [stdout]    | ----------------------------- associated function in this implementation
[INFO] [stdout] 55 |     fn new(data: Arc<T>) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/evil_rcu.rs:26:27
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn write(&'a self) -> EvilWriteGuard<T> {
[INFO] [stdout]    |               --          ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |               |
[INFO] [stdout]    |               the lifetime is named 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: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn write(&'a self) -> EvilWriteGuard<'a, T> {
[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 `rcu` (lib) due to 1 previous error; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "9de5942855b5bca7fa636f7c44a48907b08ebabd3003ab1d790d7c9f32a4ae8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9de5942855b5bca7fa636f7c44a48907b08ebabd3003ab1d790d7c9f32a4ae8e", kill_on_drop: false }`
[INFO] [stdout] 9de5942855b5bca7fa636f7c44a48907b08ebabd3003ab1d790d7c9f32a4ae8e
