[INFO] fetching crate rust_chacha20 0.3.0...
[INFO] testing rust_chacha20-0.3.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate rust_chacha20 0.3.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate rust_chacha20 0.3.0
[INFO] finished tweaking crates.io crate rust_chacha20 0.3.0
[INFO] tweaked toml for crates.io crate rust_chacha20 0.3.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rust_chacha20 0.3.0 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 23 packages to latest compatible versions
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 84f4ef41d38a4e013ca6826634331fdf29b6ba7f18cdb5513a90efbf53186665
[INFO] running `Command { std: "docker" "start" "-a" "84f4ef41d38a4e013ca6826634331fdf29b6ba7f18cdb5513a90efbf53186665", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "84f4ef41d38a4e013ca6826634331fdf29b6ba7f18cdb5513a90efbf53186665", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84f4ef41d38a4e013ca6826634331fdf29b6ba7f18cdb5513a90efbf53186665", kill_on_drop: false }`
[INFO] [stdout] 84f4ef41d38a4e013ca6826634331fdf29b6ba7f18cdb5513a90efbf53186665
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1a07604a1840bc95524670137da439f1c8291288ed5250e73f85d62c25fc0d5f
[INFO] running `Command { std: "docker" "start" "-a" "1a07604a1840bc95524670137da439f1c8291288ed5250e73f85d62c25fc0d5f", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_chacha20 v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:80:67
[INFO] [stdout]    |
[INFO] [stdout] 80 |     pub fn apply_keystream<'a>(&'a mut self, to: &'a mut [u8]) -> &[u8] {
[INFO] [stdout]    |                                 --                --              ^^^^^ the same lifetime is elided here
[INFO] [stdout]    |                                 |                 |
[INFO] [stdout]    |                                 |                 the lifetime is named here
[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] 80 |     pub fn apply_keystream<'a>(&'a mut self, to: &'a mut [u8]) -> &'a [u8] {
[INFO] [stdout]    |                                                                    ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "1a07604a1840bc95524670137da439f1c8291288ed5250e73f85d62c25fc0d5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a07604a1840bc95524670137da439f1c8291288ed5250e73f85d62c25fc0d5f", kill_on_drop: false }`
[INFO] [stdout] 1a07604a1840bc95524670137da439f1c8291288ed5250e73f85d62c25fc0d5f
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0d36758c0b9e068274b9d60c03d4971db744838c0fd01c6a97b2fc647a81acbe
[INFO] running `Command { std: "docker" "start" "-a" "0d36758c0b9e068274b9d60c03d4971db744838c0fd01c6a97b2fc647a81acbe", kill_on_drop: false }`
[INFO] [stderr]    Compiling zerocopy v0.8.27
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:80:67
[INFO] [stdout]    |
[INFO] [stdout] 80 |     pub fn apply_keystream<'a>(&'a mut self, to: &'a mut [u8]) -> &[u8] {
[INFO] [stdout]    |                                 --                --              ^^^^^ the same lifetime is elided here
[INFO] [stdout]    |                                 |                 |
[INFO] [stdout]    |                                 |                 the lifetime is named here
[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] 80 |     pub fn apply_keystream<'a>(&'a mut self, to: &'a mut [u8]) -> &'a [u8] {
[INFO] [stdout]    |                                                                    ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling inout v0.1.4
[INFO] [stderr]    Compiling cipher v0.4.4
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling chacha20 v0.9.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling rust_chacha20 v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:80:67
[INFO] [stdout]    |
[INFO] [stdout] 80 |     pub fn apply_keystream<'a>(&'a mut self, to: &'a mut [u8]) -> &[u8] {
[INFO] [stdout]    |                                 --                --              ^^^^^ the same lifetime is elided here
[INFO] [stdout]    |                                 |                 |
[INFO] [stdout]    |                                 |                 the lifetime is named here
[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] 80 |     pub fn apply_keystream<'a>(&'a mut self, to: &'a mut [u8]) -> &'a [u8] {
[INFO] [stdout]    |                                                                    ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 4.30s
[INFO] running `Command { std: "docker" "inspect" "0d36758c0b9e068274b9d60c03d4971db744838c0fd01c6a97b2fc647a81acbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d36758c0b9e068274b9d60c03d4971db744838c0fd01c6a97b2fc647a81acbe", kill_on_drop: false }`
[INFO] [stdout] 0d36758c0b9e068274b9d60c03d4971db744838c0fd01c6a97b2fc647a81acbe
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c6f9bffdc348b5c343d9e38870e9a9d2d7fbab2a7c49493f5e680712479e68cd
[INFO] running `Command { std: "docker" "start" "-a" "c6f9bffdc348b5c343d9e38870e9a9d2d7fbab2a7c49493f5e680712479e68cd", kill_on_drop: false }`
[INFO] [stderr] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stderr]   --> src/lib.rs:80:67
[INFO] [stderr]    |
[INFO] [stderr] 80 |     pub fn apply_keystream<'a>(&'a mut self, to: &'a mut [u8]) -> &[u8] {
[INFO] [stderr]    |                                 --                --              ^^^^^ the same lifetime is elided here
[INFO] [stderr]    |                                 |                 |
[INFO] [stderr]    |                                 |                 the lifetime is named here
[INFO] [stderr]    |                                 the lifetime is named here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: consistently use `'a`
[INFO] [stderr]    |
[INFO] [stderr] 80 |     pub fn apply_keystream<'a>(&'a mut self, to: &'a mut [u8]) -> &'a [u8] {
[INFO] [stderr]    |                                                                    ++
[INFO] [stderr] 
[INFO] [stderr] warning: `rust_chacha20` (lib) generated 1 warning (run `cargo fix --lib -p rust_chacha20` to apply 1 suggestion)
[INFO] [stderr] warning: `rust_chacha20` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/chacha20-c9b1c130c4dc70df)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test tests::test_block_fn ... ok
[INFO] [stdout] test tests::test_block_serialization ... ok
[INFO] [stdout] test tests::test_modulo_64 ... ok
[INFO] [stdout] test tests::test_new_from_block ... ok
[INFO] [stdout] test tests::test_prepare_state ... ok
[INFO] [stdout] test tests::test_quater_round ... ok
[INFO] [stdout] test tests::test_quater_round_on_block ... ok
[INFO] [stdout] test tests::test_small_plaintext ... ok
[INFO] [stdout] test tests::test_rfc_standard ... ok
[INFO] [stdout] test tests::test_fuzz_other ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.21s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests chacha20
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 14) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 14) stdout ----
[INFO] [stdout] error[E0464]: multiple candidates for `rlib` dependency `chacha20` found
[INFO] [stdout]  --> src/lib.rs:14:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | extern crate r#chacha20;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: candidate #1: /opt/rustwide/target/debug/deps/libchacha20-0150f506e00807ce.rlib
[INFO] [stdout]   = note: candidate #2: /opt/rustwide/target/debug/deps/libchacha20-a82bcdbccdd03cdf.rlib
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0464`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 14)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.12s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "c6f9bffdc348b5c343d9e38870e9a9d2d7fbab2a7c49493f5e680712479e68cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6f9bffdc348b5c343d9e38870e9a9d2d7fbab2a7c49493f5e680712479e68cd", kill_on_drop: false }`
[INFO] [stdout] c6f9bffdc348b5c343d9e38870e9a9d2d7fbab2a7c49493f5e680712479e68cd