[INFO] fetching crate f-tree 0.2.5...
[INFO] testing f-tree-0.2.5 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate f-tree 0.2.5 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate f-tree 0.2.5
[INFO] finished tweaking crates.io crate f-tree 0.2.5
[INFO] tweaked toml for crates.io crate f-tree 0.2.5 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate f-tree 0.2.5 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] crate crates.io crate f-tree 0.2.5 already has a lockfile, it will not be regenerated
[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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] c9e902ab4228764bb0f6ad476d3233618d9538644a28329e5f4a6f1e30f5893d
[INFO] running `Command { std: "docker" "start" "-a" "c9e902ab4228764bb0f6ad476d3233618d9538644a28329e5f4a6f1e30f5893d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c9e902ab4228764bb0f6ad476d3233618d9538644a28329e5f4a6f1e30f5893d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9e902ab4228764bb0f6ad476d3233618d9538644a28329e5f4a6f1e30f5893d", kill_on_drop: false }`
[INFO] [stdout] c9e902ab4228764bb0f6ad476d3233618d9538644a28329e5f4a6f1e30f5893d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 58f756417d40bcd353a1f71c0ae324dff84e00adafa4e84ad55345a228d8505c
[INFO] running `Command { std: "docker" "start" "-a" "58f756417d40bcd353a1f71c0ae324dff84e00adafa4e84ad55345a228d8505c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.67
[INFO] [stderr]    Compiling libc v0.2.148
[INFO] [stderr]    Compiling memchr v2.6.3
[INFO] [stderr]    Compiling bitflags v2.4.0
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling serde v1.0.188
[INFO] [stderr]    Compiling http v0.2.9
[INFO] [stderr]    Compiling thiserror v1.0.48
[INFO] [stderr]    Compiling openssl v0.10.57
[INFO] [stderr]    Compiling rustix v0.38.13
[INFO] [stderr]    Compiling linux-raw-sys v0.4.7
[INFO] [stderr]    Compiling serde_json v1.0.107
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling beef v0.5.2
[INFO] [stderr]    Compiling async-trait v0.1.73
[INFO] [stderr]    Compiling dot-structures v0.1.1
[INFO] [stderr]    Compiling axum-core v0.3.4
[INFO] [stderr]    Compiling regex-syntax v0.7.5
[INFO] [stderr]    Compiling tower-layer v0.3.2
[INFO] [stderr]    Compiling axum v0.6.20
[INFO] [stderr]    Compiling anstyle v1.0.3
[INFO] [stderr]    Compiling fastrand v2.0.0
[INFO] [stderr]    Compiling url v2.4.1
[INFO] [stderr]    Compiling encoding_rs v0.8.33
[INFO] [stderr]    Compiling into-attr v0.1.1
[INFO] [stderr]    Compiling dot-generator v0.2.0
[INFO] [stderr]    Compiling termcolor v1.2.0
[INFO] [stderr]    Compiling base64 v0.21.4
[INFO] [stderr]    Compiling matchit v0.7.2
[INFO] [stderr]    Compiling unsafe-libyaml v0.2.9
[INFO] [stderr]    Compiling anstream v0.5.0
[INFO] [stderr]    Compiling clap_lex v0.5.1
[INFO] [stderr]    Compiling quote v1.0.33
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[INFO] [stderr]    Compiling aho-corasick v1.1.0
[INFO] [stderr]    Compiling clap_builder v4.4.4
[INFO] [stderr]    Compiling syn v2.0.37
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[INFO] [stderr]    Compiling cc v1.0.83
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[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling socket2 v0.4.9
[INFO] [stderr]    Compiling getrandom v0.2.10
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling syn v1.0.109
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[INFO] [stderr]    Compiling quick-xml v0.30.0
[INFO] [stderr]    Compiling chrono v0.4.31
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[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling regex-automata v0.3.8
[INFO] [stderr]    Compiling openssl-sys v0.9.93
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]    Compiling is-terminal v0.4.9
[INFO] [stderr]    Compiling tempfile v3.8.0
[INFO] [stderr]    Compiling logos-codegen v0.13.0
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.26
[INFO] [stderr]    Compiling serde_derive v1.0.188
[INFO] [stderr]    Compiling thiserror-impl v1.0.48
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling pin-project-internal v1.1.3
[INFO] [stderr]    Compiling strum_macros v0.25.2
[INFO] [stderr]    Compiling clap_derive v4.4.2
[INFO] [stderr]    Compiling tokio v1.32.0
[INFO] [stderr]    Compiling into-attr-derive v0.2.1
[INFO] [stderr]    Compiling logos-derive v0.13.0
[INFO] [stderr]    Compiling pin-project v1.1.3
[INFO] [stderr]    Compiling logos v0.13.0
[INFO] [stderr]    Compiling pest v2.7.3
[INFO] [stderr]    Compiling parsit v0.2.0
[INFO] [stderr]    Compiling tracing v0.1.37
[INFO] [stderr]    Compiling regex v1.9.5
[INFO] [stderr]    Compiling clap v4.4.4
[INFO] [stderr]    Compiling env_logger v0.10.0
[INFO] [stderr]    Compiling pest_meta v2.7.3
[INFO] [stderr]    Compiling pest_generator v2.7.3
[INFO] [stderr]    Compiling pest_derive v2.7.3
[INFO] [stderr]    Compiling graphviz-rust v0.6.6
[INFO] [stderr]    Compiling tokio-util v0.7.10
[INFO] [stderr]    Compiling tokio-native-tls v0.3.1
[INFO] [stderr]    Compiling tower v0.4.13
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling serde_path_to_error v0.1.14
[INFO] [stderr]    Compiling serde_yaml v0.9.25
[INFO] [stderr]    Compiling h2 v0.3.21
[INFO] [stderr]    Compiling hyper v0.14.27
[INFO] [stderr]    Compiling hyper-tls v0.5.0
[INFO] [stderr]    Compiling reqwest v0.11.20
[INFO] [stderr]    Compiling forester-rs v0.3.0
[INFO] [stderr]    Compiling f-tree v0.2.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `value_parser`
[INFO] [stdout]  --> src/main.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | use clap::{arg, value_parser, Arg, ArgAction, ArgMatches, Command, crate_version};
[INFO] [stdout]   |                 ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `forester_rs::runtime::action::Tick`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use forester_rs::runtime::action::Tick;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `forester_rs::runtime::RtResult`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use forester_rs::runtime::RtResult;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `forester_rs::tree::TreeError`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use forester_rs::tree::TreeError;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 16s
[INFO] running `Command { std: "docker" "inspect" "58f756417d40bcd353a1f71c0ae324dff84e00adafa4e84ad55345a228d8505c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58f756417d40bcd353a1f71c0ae324dff84e00adafa4e84ad55345a228d8505c", kill_on_drop: false }`
[INFO] [stdout] 58f756417d40bcd353a1f71c0ae324dff84e00adafa4e84ad55345a228d8505c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 3879e4a01c17ae4c02cc5ff04c9bd649bbaa0e68125f3eb8e994b3329bcc98b8
[INFO] running `Command { std: "docker" "start" "-a" "3879e4a01c17ae4c02cc5ff04c9bd649bbaa0e68125f3eb8e994b3329bcc98b8", kill_on_drop: false }`
[INFO] [stderr]    Compiling f-tree v0.2.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `value_parser`
[INFO] [stdout]  --> src/main.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | use clap::{arg, value_parser, Arg, ArgAction, ArgMatches, Command, crate_version};
[INFO] [stdout]   |                 ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `forester_rs::runtime::action::Tick`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use forester_rs::runtime::action::Tick;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `forester_rs::runtime::RtResult`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use forester_rs::runtime::RtResult;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `forester_rs::tree::TreeError`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use forester_rs::tree::TreeError;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "3879e4a01c17ae4c02cc5ff04c9bd649bbaa0e68125f3eb8e994b3329bcc98b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3879e4a01c17ae4c02cc5ff04c9bd649bbaa0e68125f3eb8e994b3329bcc98b8", kill_on_drop: false }`
[INFO] [stdout] 3879e4a01c17ae4c02cc5ff04c9bd649bbaa0e68125f3eb8e994b3329bcc98b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] b33b8e8a7f4623afec5ebb00ba15fbb6f1a8436a9e187f8b690da3ea1d6561f7
[INFO] running `Command { std: "docker" "start" "-a" "b33b8e8a7f4623afec5ebb00ba15fbb6f1a8436a9e187f8b690da3ea1d6561f7", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `value_parser`
[INFO] [stderr]  --> src/main.rs:3:17
[INFO] [stderr]   |
[INFO] [stderr] 3 | use clap::{arg, value_parser, Arg, ArgAction, ArgMatches, Command, crate_version};
[INFO] [stderr]   |                 ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `forester_rs::runtime::action::Tick`
[INFO] [stderr]  --> src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use forester_rs::runtime::action::Tick;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `forester_rs::runtime::RtResult`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use forester_rs::runtime::RtResult;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `forester_rs::tree::TreeError`
[INFO] [stderr]   --> src/main.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use forester_rs::tree::TreeError;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `f-tree` (bin "f-tree" test) generated 4 warnings (run `cargo fix --bin "f-tree" --tests` to apply 4 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.21s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/f_tree-70db8ab1a1fb4b47)
[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" "b33b8e8a7f4623afec5ebb00ba15fbb6f1a8436a9e187f8b690da3ea1d6561f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b33b8e8a7f4623afec5ebb00ba15fbb6f1a8436a9e187f8b690da3ea1d6561f7", kill_on_drop: false }`
[INFO] [stdout] b33b8e8a7f4623afec5ebb00ba15fbb6f1a8436a9e187f8b690da3ea1d6561f7