[INFO] fetching crate mls-rs-crypto-traits 0.19.0...
[INFO] testing mls-rs-crypto-traits-0.19.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate mls-rs-crypto-traits 0.19.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate mls-rs-crypto-traits 0.19.0
[INFO] finished tweaking crates.io crate mls-rs-crypto-traits 0.19.0
[INFO] tweaked toml for crates.io crate mls-rs-crypto-traits 0.19.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mls-rs-crypto-traits 0.19.0 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mls-rs-crypto-traits 0.19.0 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" "+beta-2025-10-28" "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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4976f1a0a754ab0b40599791285c261f21f4b1fde8b2cac39b8a48f4925fd509
[INFO] running `Command { std: "docker" "start" "-a" "4976f1a0a754ab0b40599791285c261f21f4b1fde8b2cac39b8a48f4925fd509", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4976f1a0a754ab0b40599791285c261f21f4b1fde8b2cac39b8a48f4925fd509", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4976f1a0a754ab0b40599791285c261f21f4b1fde8b2cac39b8a48f4925fd509", kill_on_drop: false }`
[INFO] [stdout] 4976f1a0a754ab0b40599791285c261f21f4b1fde8b2cac39b8a48f4925fd509
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3aaea8efbd8051652a76405e24b814f8a52baf37fa726b8df76711800246fa64
[INFO] running `Command { std: "docker" "start" "-a" "3aaea8efbd8051652a76405e24b814f8a52baf37fa726b8df76711800246fa64", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling thiserror v2.0.15
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]    Compiling thiserror-impl v2.0.15
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
[INFO] [stderr]    Compiling maybe-async v0.2.10
[INFO] [stderr]    Compiling zeroize v1.8.1
[INFO] [stderr]    Compiling darling_macro v0.20.11
[INFO] [stderr]    Compiling darling v0.20.11
[INFO] [stderr]    Compiling mls-rs-codec-derive v0.2.0
[INFO] [stderr]    Compiling mls-rs-codec v0.7.0
[INFO] [stderr]    Compiling mls-rs-core v0.24.0
[INFO] [stderr]    Compiling mls-rs-crypto-traits v0.19.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `enc` is never read
[INFO] [stdout]   --> src/kem.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub enc: Vec<u8>,
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.51s
[INFO] running `Command { std: "docker" "inspect" "3aaea8efbd8051652a76405e24b814f8a52baf37fa726b8df76711800246fa64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3aaea8efbd8051652a76405e24b814f8a52baf37fa726b8df76711800246fa64", kill_on_drop: false }`
[INFO] [stdout] 3aaea8efbd8051652a76405e24b814f8a52baf37fa726b8df76711800246fa64
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fc6d2e93eda832f1db8844206febe8f7e06bb587598131ef9eff0ba9b9bd84a0
[INFO] running `Command { std: "docker" "start" "-a" "fc6d2e93eda832f1db8844206febe8f7e06bb587598131ef9eff0ba9b9bd84a0", kill_on_drop: false }`
[INFO] [stderr]    Compiling mls-rs-crypto-traits v0.19.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `enc` is never read
[INFO] [stdout]   --> src/kem.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub enc: Vec<u8>,
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `enc` is never read
[INFO] [stdout]   --> src/kem.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub enc: Vec<u8>,
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "fc6d2e93eda832f1db8844206febe8f7e06bb587598131ef9eff0ba9b9bd84a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc6d2e93eda832f1db8844206febe8f7e06bb587598131ef9eff0ba9b9bd84a0", kill_on_drop: false }`
[INFO] [stdout] fc6d2e93eda832f1db8844206febe8f7e06bb587598131ef9eff0ba9b9bd84a0
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 38a8a231329d17c2e9d520d1b73644b3fbba360ce5de48736ca04eb47331ee96
[INFO] running `Command { std: "docker" "start" "-a" "38a8a231329d17c2e9d520d1b73644b3fbba360ce5de48736ca04eb47331ee96", kill_on_drop: false }`
[INFO] [stderr] warning: value assigned to `enc` is never read
[INFO] [stderr]   --> src/kem.rs:56:9
[INFO] [stderr]    |
[INFO] [stderr] 56 |     pub enc: Vec<u8>,
[INFO] [stderr]    |         ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `mls-rs-crypto-traits` (lib) generated 1 warning
[INFO] [stderr] warning: `mls-rs-crypto-traits` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mls_rs_crypto_traits-62ce106a73551830)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mls_rs_crypto_traits
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "38a8a231329d17c2e9d520d1b73644b3fbba360ce5de48736ca04eb47331ee96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38a8a231329d17c2e9d520d1b73644b3fbba360ce5de48736ca04eb47331ee96", kill_on_drop: false }`
[INFO] [stdout] 38a8a231329d17c2e9d520d1b73644b3fbba360ce5de48736ca04eb47331ee96