[INFO] fetching crate treentern 0.1.1...
[INFO] testing treentern-0.1.1 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate treentern 0.1.1 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate treentern 0.1.1
[INFO] finished tweaking crates.io crate treentern 0.1.1
[INFO] tweaked toml for crates.io crate treentern 0.1.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate treentern 0.1.1 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[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] 705574090a8e74f8f35f6d39c27c47afe593df155b1cce3722182a2aeb3ec513
[INFO] running `Command { std: "docker" "start" "-a" "705574090a8e74f8f35f6d39c27c47afe593df155b1cce3722182a2aeb3ec513", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "705574090a8e74f8f35f6d39c27c47afe593df155b1cce3722182a2aeb3ec513", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "705574090a8e74f8f35f6d39c27c47afe593df155b1cce3722182a2aeb3ec513", kill_on_drop: false }`
[INFO] [stdout] 705574090a8e74f8f35f6d39c27c47afe593df155b1cce3722182a2aeb3ec513
[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] f9aeed3ee909db7ee5482cd714fa59818805ad6d6d4a06ffa99c5eafafbe06df
[INFO] running `Command { std: "docker" "start" "-a" "f9aeed3ee909db7ee5482cd714fa59818805ad6d6d4a06ffa99c5eafafbe06df", kill_on_drop: false }`
[INFO] [stderr]    Compiling treentern v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.72s
[INFO] running `Command { std: "docker" "inspect" "f9aeed3ee909db7ee5482cd714fa59818805ad6d6d4a06ffa99c5eafafbe06df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9aeed3ee909db7ee5482cd714fa59818805ad6d6d4a06ffa99c5eafafbe06df", kill_on_drop: false }`
[INFO] [stdout] f9aeed3ee909db7ee5482cd714fa59818805ad6d6d4a06ffa99c5eafafbe06df
[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] caec3ca37f43f74a5abb095df771aed99589666da81618b40d802f8dadce9900
[INFO] running `Command { std: "docker" "start" "-a" "caec3ca37f43f74a5abb095df771aed99589666da81618b40d802f8dadce9900", kill_on_drop: false }`
[INFO] [stderr]    Compiling treentern v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "caec3ca37f43f74a5abb095df771aed99589666da81618b40d802f8dadce9900", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "caec3ca37f43f74a5abb095df771aed99589666da81618b40d802f8dadce9900", kill_on_drop: false }`
[INFO] [stdout] caec3ca37f43f74a5abb095df771aed99589666da81618b40d802f8dadce9900
[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] c249ebc470b4aba6974e22220083c96aea08bf3f5cd3be4494438ee61b27795d
[INFO] running `Command { std: "docker" "start" "-a" "c249ebc470b4aba6974e22220083c96aea08bf3f5cd3be4494438ee61b27795d", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/treentern-10f5fe50dc0e26ab)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test arena::test::unsized_type ... ok
[INFO] [stdout] test test::intern_string ... ok
[INFO] [stdout] test arena::test::insert_arena ... ok
[INFO] [stdout] test test::intern_str ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests treentern
[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" "c249ebc470b4aba6974e22220083c96aea08bf3f5cd3be4494438ee61b27795d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c249ebc470b4aba6974e22220083c96aea08bf3f5cd3be4494438ee61b27795d", kill_on_drop: false }`
[INFO] [stdout] c249ebc470b4aba6974e22220083c96aea08bf3f5cd3be4494438ee61b27795d