[INFO] fetching crate swrite 0.1.0...
[INFO] testing swrite-0.1.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate swrite 0.1.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate swrite 0.1.0
[INFO] finished tweaking crates.io crate swrite 0.1.0
[INFO] tweaked toml for crates.io crate swrite 0.1.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate swrite 0.1.0 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] 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] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 215956cbe184eb7bd112d54f6485620b523d2311976a277313cf4498f69ac143
[INFO] running `Command { std: "docker" "start" "-a" "215956cbe184eb7bd112d54f6485620b523d2311976a277313cf4498f69ac143", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "215956cbe184eb7bd112d54f6485620b523d2311976a277313cf4498f69ac143", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "215956cbe184eb7bd112d54f6485620b523d2311976a277313cf4498f69ac143", kill_on_drop: false }`
[INFO] [stdout] 215956cbe184eb7bd112d54f6485620b523d2311976a277313cf4498f69ac143
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] b22efefadecef048e4a48c90e078fe67a9bc81498d296190d8795cb9318a0b8f
[INFO] running `Command { std: "docker" "start" "-a" "b22efefadecef048e4a48c90e078fe67a9bc81498d296190d8795cb9318a0b8f", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]    Compiling swrite v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "b22efefadecef048e4a48c90e078fe67a9bc81498d296190d8795cb9318a0b8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b22efefadecef048e4a48c90e078fe67a9bc81498d296190d8795cb9318a0b8f", kill_on_drop: false }`
[INFO] [stdout] b22efefadecef048e4a48c90e078fe67a9bc81498d296190d8795cb9318a0b8f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 80f43947f5e2da85984b646a57ab5516a8143c62edf916f1723d2d34b36d8189
[INFO] running `Command { std: "docker" "start" "-a" "80f43947f5e2da85984b646a57ab5516a8143c62edf916f1723d2d34b36d8189", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]    Compiling swrite v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "80f43947f5e2da85984b646a57ab5516a8143c62edf916f1723d2d34b36d8189", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80f43947f5e2da85984b646a57ab5516a8143c62edf916f1723d2d34b36d8189", kill_on_drop: false }`
[INFO] [stdout] 80f43947f5e2da85984b646a57ab5516a8143c62edf916f1723d2d34b36d8189
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 4adcbfd3817150f6e38e0f39802bed3cf1e8632404bf99d618b36dc4ab48b69a
[INFO] running `Command { std: "docker" "start" "-a" "4adcbfd3817150f6e38e0f39802bed3cf1e8632404bf99d618b36dc4ab48b69a", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/swrite-3e39fb33f0213ddf)
[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]      Running tests/string_tests.rs (/opt/rustwide/target/debug/deps/string_tests-0518d382edce178b)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test qualified::test_swriteln ... ok
[INFO] [stderr]    Doc-tests swrite
[INFO] [stdout] test qualified::test_swrite ... ok
[INFO] [stdout] test qualified::test_swriteln_appends ... ok
[INFO] [stdout] test qualified::test_swriteln_empty ... ok
[INFO] [stdout] test test_swriteln ... ok
[INFO] [stdout] test test_swrite ... ok
[INFO] [stdout] test test_swriteln_appends ... ok
[INFO] [stdout] test test_swriteln_empty ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - swrite (line 59) ... ok
[INFO] [stdout] test src/lib.rs - (line 36) ... ok
[INFO] [stdout] test src/lib.rs - (line 28) ... ok
[INFO] [stdout] test src/lib.rs - swriteln (line 74) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.49s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4adcbfd3817150f6e38e0f39802bed3cf1e8632404bf99d618b36dc4ab48b69a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4adcbfd3817150f6e38e0f39802bed3cf1e8632404bf99d618b36dc4ab48b69a", kill_on_drop: false }`
[INFO] [stdout] 4adcbfd3817150f6e38e0f39802bed3cf1e8632404bf99d618b36dc4ab48b69a
