[INFO] fetching crate residua-zigzag 0.1.0...
[INFO] testing residua-zigzag-0.1.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate residua-zigzag 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate residua-zigzag 0.1.0
[INFO] finished tweaking crates.io crate residua-zigzag 0.1.0
[INFO] tweaked toml for crates.io crate residua-zigzag 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate residua-zigzag 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] 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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 164ffe1300ca541ab746def4b4fc845fdb0fbcbad5be81617de5b209a6f765ec
[INFO] running `Command { std: "docker" "start" "-a" "164ffe1300ca541ab746def4b4fc845fdb0fbcbad5be81617de5b209a6f765ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "164ffe1300ca541ab746def4b4fc845fdb0fbcbad5be81617de5b209a6f765ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "164ffe1300ca541ab746def4b4fc845fdb0fbcbad5be81617de5b209a6f765ec", kill_on_drop: false }`
[INFO] [stdout] 164ffe1300ca541ab746def4b4fc845fdb0fbcbad5be81617de5b209a6f765ec
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0f065b45f2a1624dba17e149c854fdeef540bfe4eb0bf39e464a2522cf2f6c2d
[INFO] running `Command { std: "docker" "start" "-a" "0f065b45f2a1624dba17e149c854fdeef540bfe4eb0bf39e464a2522cf2f6c2d", kill_on_drop: false }`
[INFO] [stderr]    Compiling residua-zigzag v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] running `Command { std: "docker" "inspect" "0f065b45f2a1624dba17e149c854fdeef540bfe4eb0bf39e464a2522cf2f6c2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f065b45f2a1624dba17e149c854fdeef540bfe4eb0bf39e464a2522cf2f6c2d", kill_on_drop: false }`
[INFO] [stdout] 0f065b45f2a1624dba17e149c854fdeef540bfe4eb0bf39e464a2522cf2f6c2d
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a36ec0fa19ae015d28709541289ed11c60ed55a5c6792ae5976b8af474099fcf
[INFO] running `Command { std: "docker" "start" "-a" "a36ec0fa19ae015d28709541289ed11c60ed55a5c6792ae5976b8af474099fcf", kill_on_drop: false }`
[INFO] [stderr]    Compiling residua-zigzag v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "a36ec0fa19ae015d28709541289ed11c60ed55a5c6792ae5976b8af474099fcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a36ec0fa19ae015d28709541289ed11c60ed55a5c6792ae5976b8af474099fcf", kill_on_drop: false }`
[INFO] [stdout] a36ec0fa19ae015d28709541289ed11c60ed55a5c6792ae5976b8af474099fcf
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 453eb80ee3f1e4b31110cb6a3a07c3858d89539799ac3815365b48fbd948b5ee
[INFO] running `Command { std: "docker" "start" "-a" "453eb80ee3f1e4b31110cb6a3a07c3858d89539799ac3815365b48fbd948b5ee", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/zigzag-973cb406c54e9f36)
[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 zigzag
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - ZigZagDecode::zigzag_decode (line 141) ... ok
[INFO] [stdout] test src/lib.rs - (line 46) ... ok
[INFO] [stdout] test src/lib.rs - ZigZagEncode::zigzag_encode (line 98) ... ok
[INFO] [stdout] test src/lib.rs - (line 64) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.34s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "453eb80ee3f1e4b31110cb6a3a07c3858d89539799ac3815365b48fbd948b5ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "453eb80ee3f1e4b31110cb6a3a07c3858d89539799ac3815365b48fbd948b5ee", kill_on_drop: false }`
[INFO] [stdout] 453eb80ee3f1e4b31110cb6a3a07c3858d89539799ac3815365b48fbd948b5ee
