[INFO] fetching crate maomi-tree 0.5.0...
[INFO] testing maomi-tree-0.5.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate maomi-tree 0.5.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate maomi-tree 0.5.0
[INFO] finished tweaking crates.io crate maomi-tree 0.5.0
[INFO] tweaked toml for crates.io crate maomi-tree 0.5.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate maomi-tree 0.5.0 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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-2025-09-21" "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-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 53046e28b921b3f875b8b75f971ea03968571c467390302dc9273fad557bc561
[INFO] running `Command { std: "docker" "start" "-a" "53046e28b921b3f875b8b75f971ea03968571c467390302dc9273fad557bc561", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "53046e28b921b3f875b8b75f971ea03968571c467390302dc9273fad557bc561", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53046e28b921b3f875b8b75f971ea03968571c467390302dc9273fad557bc561", kill_on_drop: false }`
[INFO] [stdout] 53046e28b921b3f875b8b75f971ea03968571c467390302dc9273fad557bc561
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0904c74da1f8a7bf4f71f106cacc4f5409ee8e0a0ac61007d62543747e0f7062
[INFO] running `Command { std: "docker" "start" "-a" "0904c74da1f8a7bf4f71f106cacc4f5409ee8e0a0ac61007d62543747e0f7062", kill_on_drop: false }`
[INFO] [stderr]    Compiling maomi-tree v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "0904c74da1f8a7bf4f71f106cacc4f5409ee8e0a0ac61007d62543747e0f7062", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0904c74da1f8a7bf4f71f106cacc4f5409ee8e0a0ac61007d62543747e0f7062", kill_on_drop: false }`
[INFO] [stdout] 0904c74da1f8a7bf4f71f106cacc4f5409ee8e0a0ac61007d62543747e0f7062
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ea3b033cb0b6b7b18e11c09bbf78c0f87a8c01108490e6214cc8d637b28cdc80
[INFO] running `Command { std: "docker" "start" "-a" "ea3b033cb0b6b7b18e11c09bbf78c0f87a8c01108490e6214cc8d637b28cdc80", kill_on_drop: false }`
[INFO] [stderr]    Compiling maomi-tree v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "ea3b033cb0b6b7b18e11c09bbf78c0f87a8c01108490e6214cc8d637b28cdc80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea3b033cb0b6b7b18e11c09bbf78c0f87a8c01108490e6214cc8d637b28cdc80", kill_on_drop: false }`
[INFO] [stdout] ea3b033cb0b6b7b18e11c09bbf78c0f87a8c01108490e6214cc8d637b28cdc80
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0b23c0f8b5a66d426636eefe519ed55fd3bb8c9525402384cf2ee593dd610197
[INFO] running `Command { std: "docker" "start" "-a" "0b23c0f8b5a66d426636eefe519ed55fd3bb8c9525402384cf2ee593dd610197", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/maomi_tree-061703f367706dc0)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test mem::test::leak ... ok
[INFO] [stdout] test mem::test::reuse ... ok
[INFO] [stdout] test test::detach ... ok
[INFO] [stdout] test test::insert ... ok
[INFO] [stdout] test test::append ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests maomi_tree
[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" "0b23c0f8b5a66d426636eefe519ed55fd3bb8c9525402384cf2ee593dd610197", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b23c0f8b5a66d426636eefe519ed55fd3bb8c9525402384cf2ee593dd610197", kill_on_drop: false }`
[INFO] [stdout] 0b23c0f8b5a66d426636eefe519ed55fd3bb8c9525402384cf2ee593dd610197