[INFO] fetching crate merge2_derive 0.3.1...
[INFO] testing merge2_derive-0.3.1 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate merge2_derive 0.3.1 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate merge2_derive 0.3.1
[INFO] finished tweaking crates.io crate merge2_derive 0.3.1
[INFO] tweaked toml for crates.io crate merge2_derive 0.3.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate merge2_derive 0.3.1 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 merge2_derive 0.3.1 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] f1e5a869e9cdde048df9ae258ca8ac551d5af6ca666f6b7d17ae369720e69ead
[INFO] running `Command { std: "docker" "start" "-a" "f1e5a869e9cdde048df9ae258ca8ac551d5af6ca666f6b7d17ae369720e69ead", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f1e5a869e9cdde048df9ae258ca8ac551d5af6ca666f6b7d17ae369720e69ead", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1e5a869e9cdde048df9ae258ca8ac551d5af6ca666f6b7d17ae369720e69ead", kill_on_drop: false }`
[INFO] [stdout] f1e5a869e9cdde048df9ae258ca8ac551d5af6ca666f6b7d17ae369720e69ead
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] a2cc13b3bce070b49ca961f8fa5331768e87d2a48fe64fb99a73ccd6ec891f25
[INFO] running `Command { std: "docker" "start" "-a" "a2cc13b3bce070b49ca961f8fa5331768e87d2a48fe64fb99a73ccd6ec891f25", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling proc-macro-utils v0.10.0
[INFO] [stderr]    Compiling syn v2.0.96
[INFO] [stderr]    Compiling manyhow-macros v0.11.4
[INFO] [stderr]    Compiling manyhow v0.11.4
[INFO] [stderr]    Compiling merge2_derive v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.84s
[INFO] running `Command { std: "docker" "inspect" "a2cc13b3bce070b49ca961f8fa5331768e87d2a48fe64fb99a73ccd6ec891f25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2cc13b3bce070b49ca961f8fa5331768e87d2a48fe64fb99a73ccd6ec891f25", kill_on_drop: false }`
[INFO] [stdout] a2cc13b3bce070b49ca961f8fa5331768e87d2a48fe64fb99a73ccd6ec891f25
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 6bb095946d2a615dae0e90d55ba751371697f15550c497a05a1a285828c40465
[INFO] running `Command { std: "docker" "start" "-a" "6bb095946d2a615dae0e90d55ba751371697f15550c497a05a1a285828c40465", kill_on_drop: false }`
[INFO] [stderr]    Compiling merge2_derive v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "6bb095946d2a615dae0e90d55ba751371697f15550c497a05a1a285828c40465", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bb095946d2a615dae0e90d55ba751371697f15550c497a05a1a285828c40465", kill_on_drop: false }`
[INFO] [stdout] 6bb095946d2a615dae0e90d55ba751371697f15550c497a05a1a285828c40465
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 3bdcb881713b61edee10fa73dc21bcc4075e38e059395504fd3bb0eb9f092a28
[INFO] running `Command { std: "docker" "start" "-a" "3bdcb881713b61edee10fa73dc21bcc4075e38e059395504fd3bb0eb9f092a28", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/merge2_derive-6271afedafc60733)
[INFO] [stderr]    Doc-tests merge2_derive
[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] [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" "3bdcb881713b61edee10fa73dc21bcc4075e38e059395504fd3bb0eb9f092a28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bdcb881713b61edee10fa73dc21bcc4075e38e059395504fd3bb0eb9f092a28", kill_on_drop: false }`
[INFO] [stdout] 3bdcb881713b61edee10fa73dc21bcc4075e38e059395504fd3bb0eb9f092a28