[INFO] fetching crate prosto 0.6.4...
[INFO] testing prosto-0.6.4 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate prosto 0.6.4 into /workspace/builds/worker-2-tc2/source
[INFO] removed /workspace/builds/worker-2-tc2/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate prosto 0.6.4
[INFO] finished tweaking crates.io crate prosto 0.6.4
[INFO] tweaked toml for crates.io crate prosto 0.6.4 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate prosto 0.6.4 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "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-2026-04-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 43 packages to latest compatible versions
[INFO] [stderr]       Adding prost v0.9.0 (available: v0.14.3)
[INFO] [stderr]       Adding prost-types v0.9.0 (available: v0.14.3)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.18)
[INFO] [stderr]       Adding zstd v0.9.2+zstd.1.5.1 (available: v0.13.3)
[INFO] [stderr]       Adding zstd-safe v4.1.3+zstd.1.5.1 (available: v4.1.6+zstd.1.5.2)
[INFO] [stderr]       Adding zstd-sys v1.6.2+zstd.1.5.1 (available: v1.6.3+zstd.1.5.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 869fd947c63f44077fd7ca06aaa72b67a0f6321dd4ec665192c43b335bc2ba59
[INFO] running `Command { std: "docker" "start" "-a" "869fd947c63f44077fd7ca06aaa72b67a0f6321dd4ec665192c43b335bc2ba59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "869fd947c63f44077fd7ca06aaa72b67a0f6321dd4ec665192c43b335bc2ba59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "869fd947c63f44077fd7ca06aaa72b67a0f6321dd4ec665192c43b335bc2ba59", kill_on_drop: false }`
[INFO] [stdout] 869fd947c63f44077fd7ca06aaa72b67a0f6321dd4ec665192c43b335bc2ba59
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 887de068ed7d141f0d612cedb75d942bd3e16b249e09aa7f53ab182f3572fc6c
[INFO] running `Command { std: "docker" "start" "-a" "887de068ed7d141f0d612cedb75d942bd3e16b249e09aa7f53ab182f3572fc6c", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling futures-core v0.3.32
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling futures-sink v0.3.32
[INFO] [stderr]    Compiling zstd-safe v4.1.3+zstd.1.5.1
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]    Compiling futures-macro v0.3.32
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling futures-channel v0.3.32
[INFO] [stderr]    Compiling cc v1.2.61
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling futures-util v0.3.32
[INFO] [stderr]    Compiling zstd-sys v1.6.2+zstd.1.5.1
[INFO] [stderr]    Compiling prost-derive v0.9.0
[INFO] [stderr]    Compiling futures-executor v0.3.32
[INFO] [stderr]    Compiling futures v0.3.32
[INFO] [stderr]    Compiling prost v0.9.0
[INFO] [stderr]    Compiling prost-types v0.9.0
[INFO] [stderr]    Compiling zstd v0.9.2+zstd.1.5.1
[INFO] [stderr]    Compiling prosto v0.6.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: ambiguous glob re-exports
[INFO] [stdout]  --> src/lib.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use compress::*;
[INFO] [stdout]   |         ^^^^^^^^^^^ the name `stream` in the type namespace is first re-exported here
[INFO] [stdout] 4 | pub use decompress::*;
[INFO] [stdout]   |         ------------- but the name `stream` in the type namespace is also re-exported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(ambiguous_glob_reexports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `flush_inner` is never used
[INFO] [stdout]   --> src/compress.rs:73:19
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl<'a, W: Write> ProstEncoder<'a, W> {
[INFO] [stdout]    | -------------------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 73 |     pub(crate) fn flush_inner(&mut self) -> Result<(), Error> {
[INFO] [stdout]    |                   ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 43.52s
[INFO] running `Command { std: "docker" "inspect" "887de068ed7d141f0d612cedb75d942bd3e16b249e09aa7f53ab182f3572fc6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "887de068ed7d141f0d612cedb75d942bd3e16b249e09aa7f53ab182f3572fc6c", kill_on_drop: false }`
[INFO] [stdout] 887de068ed7d141f0d612cedb75d942bd3e16b249e09aa7f53ab182f3572fc6c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b82115733ae43494fb2f60ef991bb0b4dc85493d598c0143caf7e0331590a95d
[INFO] running `Command { std: "docker" "start" "-a" "b82115733ae43494fb2f60ef991bb0b4dc85493d598c0143caf7e0331590a95d", kill_on_drop: false }`
[INFO] [stdout] warning: ambiguous glob re-exports
[INFO] [stdout]  --> src/lib.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use compress::*;
[INFO] [stdout]   |         ^^^^^^^^^^^ the name `stream` in the type namespace is first re-exported here
[INFO] [stdout] 4 | pub use decompress::*;
[INFO] [stdout]   |         ------------- but the name `stream` in the type namespace is also re-exported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(ambiguous_glob_reexports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `flush_inner` is never used
[INFO] [stdout]   --> src/compress.rs:73:19
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl<'a, W: Write> ProstEncoder<'a, W> {
[INFO] [stdout]    | -------------------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 73 |     pub(crate) fn flush_inner(&mut self) -> Result<(), Error> {
[INFO] [stdout]    |                   ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling prosto v0.6.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: ambiguous glob re-exports
[INFO] [stdout]  --> src/lib.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use compress::*;
[INFO] [stdout]   |         ^^^^^^^^^^^ the name `stream` in the type namespace is first re-exported here
[INFO] [stdout] 4 | pub use decompress::*;
[INFO] [stdout]   |         ------------- but the name `stream` in the type namespace is also re-exported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(ambiguous_glob_reexports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `flush_inner` is never used
[INFO] [stdout]   --> src/compress.rs:73:19
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl<'a, W: Write> ProstEncoder<'a, W> {
[INFO] [stdout]    | -------------------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 73 |     pub(crate) fn flush_inner(&mut self) -> Result<(), Error> {
[INFO] [stdout]    |                   ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "b82115733ae43494fb2f60ef991bb0b4dc85493d598c0143caf7e0331590a95d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b82115733ae43494fb2f60ef991bb0b4dc85493d598c0143caf7e0331590a95d", kill_on_drop: false }`
[INFO] [stdout] b82115733ae43494fb2f60ef991bb0b4dc85493d598c0143caf7e0331590a95d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c0d9dc339edc2678a8156a475f28f530d50a09ba99640c61fa1cee8d5c98ac8f
[INFO] running `Command { std: "docker" "start" "-a" "c0d9dc339edc2678a8156a475f28f530d50a09ba99640c61fa1cee8d5c98ac8f", kill_on_drop: false }`
[INFO] [stderr] warning: ambiguous glob re-exports
[INFO] [stderr]  --> src/lib.rs:3:9
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub use compress::*;
[INFO] [stderr]   |         ^^^^^^^^^^^ the name `stream` in the type namespace is first re-exported here
[INFO] [stderr] 4 | pub use decompress::*;
[INFO] [stderr]   |         ------------- but the name `stream` in the type namespace is also re-exported here
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(ambiguous_glob_reexports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `flush_inner` is never used
[INFO] [stderr]   --> src/compress.rs:73:19
[INFO] [stderr]    |
[INFO] [stderr] 17 | impl<'a, W: Write> ProstEncoder<'a, W> {
[INFO] [stderr]    | -------------------------------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 73 |     pub(crate) fn flush_inner(&mut self) -> Result<(), Error> {
[INFO] [stderr]    |                   ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `prosto` (lib) generated 2 warnings
[INFO] [stderr] warning: `prosto` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/prosto-32e651e977f5b0a5)
[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 prosto
[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" "c0d9dc339edc2678a8156a475f28f530d50a09ba99640c61fa1cee8d5c98ac8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0d9dc339edc2678a8156a475f28f530d50a09ba99640c61fa1cee8d5c98ac8f", kill_on_drop: false }`
[INFO] [stdout] c0d9dc339edc2678a8156a475f28f530d50a09ba99640c61fa1cee8d5c98ac8f
