[INFO] fetching crate substr 1.0.0...
[INFO] testing substr-1.0.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate substr 1.0.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate substr 1.0.0
[INFO] finished tweaking crates.io crate substr 1.0.0
[INFO] tweaked toml for crates.io crate substr 1.0.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate substr 1.0.0 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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] f4415c99a89e2873363fadc573ce869c8f9728c313f5ff421c139160993b0349
[INFO] running `Command { std: "docker" "start" "-a" "f4415c99a89e2873363fadc573ce869c8f9728c313f5ff421c139160993b0349", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f4415c99a89e2873363fadc573ce869c8f9728c313f5ff421c139160993b0349", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4415c99a89e2873363fadc573ce869c8f9728c313f5ff421c139160993b0349", kill_on_drop: false }`
[INFO] [stdout] f4415c99a89e2873363fadc573ce869c8f9728c313f5ff421c139160993b0349
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 55f7441b943966e8a6eafa8dadcd4103f6f77ddde5fbb249eff91b3b7e5eef59
[INFO] running `Command { std: "docker" "start" "-a" "55f7441b943966e8a6eafa8dadcd4103f6f77ddde5fbb249eff91b3b7e5eef59", kill_on_drop: false }`
[INFO] [stderr]    Compiling substr v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "55f7441b943966e8a6eafa8dadcd4103f6f77ddde5fbb249eff91b3b7e5eef59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55f7441b943966e8a6eafa8dadcd4103f6f77ddde5fbb249eff91b3b7e5eef59", kill_on_drop: false }`
[INFO] [stdout] 55f7441b943966e8a6eafa8dadcd4103f6f77ddde5fbb249eff91b3b7e5eef59
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 8fb7c5c86f1e4a542d7ee43e84c2659e8e463dffa7b6f2d5645d5057c000b116
[INFO] running `Command { std: "docker" "start" "-a" "8fb7c5c86f1e4a542d7ee43e84c2659e8e463dffa7b6f2d5645d5057c000b116", kill_on_drop: false }`
[INFO] [stderr]    Compiling substr v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "8fb7c5c86f1e4a542d7ee43e84c2659e8e463dffa7b6f2d5645d5057c000b116", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fb7c5c86f1e4a542d7ee43e84c2659e8e463dffa7b6f2d5645d5057c000b116", kill_on_drop: false }`
[INFO] [stdout] 8fb7c5c86f1e4a542d7ee43e84c2659e8e463dffa7b6f2d5645d5057c000b116
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 4235e4e19a7cb6c40be099c0d967190b00bb00ae8df590fdff98495a2a00a5dd
[INFO] running `Command { std: "docker" "start" "-a" "4235e4e19a7cb6c40be099c0d967190b00bb00ae8df590fdff98495a2a00a5dd", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/substr-640ae8f4ae2431be)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test tests::empty_equality ... ok
[INFO] [stdout] test tests::equality_with_different_parents ... ok
[INFO] [stdout] test tests::equality ... ok
[INFO] [stdout] test tests::from_range ... ok
[INFO] [stdout] test tests::roundtrip_preserves_ptr ... ok
[INFO] [stdout] test tests::find_substr ... ok
[INFO] [stdout] test tests::roundtrip_without_contained_child ... ok
[INFO] [stderr]    Doc-tests substr
[INFO] [stdout] test tests::to_range ... ok
[INFO] [stdout] test tests::roundtrip_with_different_parent ... ok
[INFO] [stdout] test tests::roundtrip_with_contained_child ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 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" "4235e4e19a7cb6c40be099c0d967190b00bb00ae8df590fdff98495a2a00a5dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4235e4e19a7cb6c40be099c0d967190b00bb00ae8df590fdff98495a2a00a5dd", kill_on_drop: false }`
[INFO] [stdout] 4235e4e19a7cb6c40be099c0d967190b00bb00ae8df590fdff98495a2a00a5dd
