[INFO] fetching crate smalltree 0.0.1...
[INFO] testing smalltree-0.0.1 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate smalltree 0.0.1 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate smalltree 0.0.1
[INFO] finished tweaking crates.io crate smalltree 0.0.1
[INFO] tweaked toml for crates.io crate smalltree 0.0.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate smalltree 0.0.1 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 2 packages to latest compatible versions
[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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] df3933634cc61acdf5423f5d4221218229d011483f7da36cfccbbafec4969033
[INFO] running `Command { std: "docker" "start" "-a" "df3933634cc61acdf5423f5d4221218229d011483f7da36cfccbbafec4969033", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "df3933634cc61acdf5423f5d4221218229d011483f7da36cfccbbafec4969033", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df3933634cc61acdf5423f5d4221218229d011483f7da36cfccbbafec4969033", kill_on_drop: false }`
[INFO] [stdout] df3933634cc61acdf5423f5d4221218229d011483f7da36cfccbbafec4969033
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 87effeef450fbee0ac3c69148f315586b44a95f05942d0417e4dfa9c9683e8d4
[INFO] running `Command { std: "docker" "start" "-a" "87effeef450fbee0ac3c69148f315586b44a95f05942d0417e4dfa9c9683e8d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling smallgraph v0.0.7
[INFO] [stderr]    Compiling smalltree v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "87effeef450fbee0ac3c69148f315586b44a95f05942d0417e4dfa9c9683e8d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87effeef450fbee0ac3c69148f315586b44a95f05942d0417e4dfa9c9683e8d4", kill_on_drop: false }`
[INFO] [stdout] 87effeef450fbee0ac3c69148f315586b44a95f05942d0417e4dfa9c9683e8d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 29c8433eaabae79f10d5949a04fe42bb3729c183b41cc8b4f25344427d92cad6
[INFO] running `Command { std: "docker" "start" "-a" "29c8433eaabae79f10d5949a04fe42bb3729c183b41cc8b4f25344427d92cad6", kill_on_drop: false }`
[INFO] [stderr]    Compiling smalltree v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "29c8433eaabae79f10d5949a04fe42bb3729c183b41cc8b4f25344427d92cad6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29c8433eaabae79f10d5949a04fe42bb3729c183b41cc8b4f25344427d92cad6", kill_on_drop: false }`
[INFO] [stdout] 29c8433eaabae79f10d5949a04fe42bb3729c183b41cc8b4f25344427d92cad6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] eeda5afbad7d7b99b1d4d4a59006f827cb08398abaa614de8784ed5ea0a0443f
[INFO] running `Command { std: "docker" "start" "-a" "eeda5afbad7d7b99b1d4d4a59006f827cb08398abaa614de8784ed5ea0a0443f", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/smalltree-1b95cdde41f80af8)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::test_basic_0 ... ok
[INFO] [stderr]    Doc-tests smalltree
[INFO] [stdout] test tests::test_basic_1 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[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" "eeda5afbad7d7b99b1d4d4a59006f827cb08398abaa614de8784ed5ea0a0443f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eeda5afbad7d7b99b1d4d4a59006f827cb08398abaa614de8784ed5ea0a0443f", kill_on_drop: false }`
[INFO] [stdout] eeda5afbad7d7b99b1d4d4a59006f827cb08398abaa614de8784ed5ea0a0443f