[INFO] fetching crate nextree 0.1.3...
[INFO] testing nextree-0.1.3 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate nextree 0.1.3 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate nextree 0.1.3
[INFO] finished tweaking crates.io crate nextree 0.1.3
[INFO] tweaked toml for crates.io crate nextree 0.1.3 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate nextree 0.1.3 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] crate crates.io crate nextree 0.1.3 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-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f88ade75f35dde306871ae0b0c9ac7f879025c88c0fb387c2e406a31a6ba62a2
[INFO] running `Command { std: "docker" "start" "-a" "f88ade75f35dde306871ae0b0c9ac7f879025c88c0fb387c2e406a31a6ba62a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f88ade75f35dde306871ae0b0c9ac7f879025c88c0fb387c2e406a31a6ba62a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f88ade75f35dde306871ae0b0c9ac7f879025c88c0fb387c2e406a31a6ba62a2", kill_on_drop: false }`
[INFO] [stdout] f88ade75f35dde306871ae0b0c9ac7f879025c88c0fb387c2e406a31a6ba62a2
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ba187655dd4a9f71948a46eb3895ba3a3921d9959ced214d30615cc16915cc86
[INFO] running `Command { std: "docker" "start" "-a" "ba187655dd4a9f71948a46eb3895ba3a3921d9959ced214d30615cc16915cc86", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling once_cell v1.14.0
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]    Compiling crossbeam-utils v0.8.11
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling serde_derive v1.0.144
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.10
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling serde v1.0.144
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling tracing-core v0.1.29
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.6
[INFO] [stderr]    Compiling crossbeam-deque v0.8.2
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]    Compiling os_str_bytes v6.3.0
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling clap_lex v0.2.4
[INFO] [stderr]    Compiling tracing-log v0.1.3
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling sharded-slab v0.1.4
[INFO] [stderr]    Compiling thread_local v1.1.4
[INFO] [stderr]    Compiling iana-time-zone v0.1.47
[INFO] [stderr]    Compiling either v1.8.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.9
[INFO] [stderr]    Compiling textwrap v0.15.0
[INFO] [stderr]    Compiling smallvec v1.9.0
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling ryu v1.0.11
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling tracing-subscriber v0.3.15
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling tracing-attributes v0.1.22
[INFO] [stderr]    Compiling clap_derive v3.2.18
[INFO] [stderr]    Compiling tracing v0.1.36
[INFO] [stderr]    Compiling clap v3.2.20
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling chrono v0.4.22
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling nextree v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 44.30s
[INFO] running `Command { std: "docker" "inspect" "ba187655dd4a9f71948a46eb3895ba3a3921d9959ced214d30615cc16915cc86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba187655dd4a9f71948a46eb3895ba3a3921d9959ced214d30615cc16915cc86", kill_on_drop: false }`
[INFO] [stdout] ba187655dd4a9f71948a46eb3895ba3a3921d9959ced214d30615cc16915cc86
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8b7b5bc950cfd6ea3831e1e9369517d4b9ef3f37f0b8287aa6c2a02f7352733e
[INFO] running `Command { std: "docker" "start" "-a" "8b7b5bc950cfd6ea3831e1e9369517d4b9ef3f37f0b8287aa6c2a02f7352733e", kill_on_drop: false }`
[INFO] [stderr]    Compiling nextree v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "8b7b5bc950cfd6ea3831e1e9369517d4b9ef3f37f0b8287aa6c2a02f7352733e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b7b5bc950cfd6ea3831e1e9369517d4b9ef3f37f0b8287aa6c2a02f7352733e", kill_on_drop: false }`
[INFO] [stdout] 8b7b5bc950cfd6ea3831e1e9369517d4b9ef3f37f0b8287aa6c2a02f7352733e
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b1b499b1abfceb8c1bde3ffd69f536820b560bf286e6dea78ab073bfae0ff56d
[INFO] running `Command { std: "docker" "start" "-a" "b1b499b1abfceb8c1bde3ffd69f536820b560bf286e6dea78ab073bfae0ff56d", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/nextree-f0dda1fa5ecf596c)
[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" "b1b499b1abfceb8c1bde3ffd69f536820b560bf286e6dea78ab073bfae0ff56d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1b499b1abfceb8c1bde3ffd69f536820b560bf286e6dea78ab073bfae0ff56d", kill_on_drop: false }`
[INFO] [stdout] b1b499b1abfceb8c1bde3ffd69f536820b560bf286e6dea78ab073bfae0ff56d