[INFO] fetching crate mytree 0.2.0...
[INFO] building mytree-0.2.0 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate mytree 0.2.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate mytree 0.2.0
[INFO] finished tweaking crates.io crate mytree 0.2.0
[INFO] tweaked toml for crates.io crate mytree 0.2.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mytree 0.2.0 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mytree 0.2.0 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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 97b03ebc9bcc8d3c24afa2a0c7c223992c7c36ca458f9e6ccee6b638d4eb9d1f
[INFO] running `Command { std: "docker" "start" "-a" "97b03ebc9bcc8d3c24afa2a0c7c223992c7c36ca458f9e6ccee6b638d4eb9d1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "97b03ebc9bcc8d3c24afa2a0c7c223992c7c36ca458f9e6ccee6b638d4eb9d1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97b03ebc9bcc8d3c24afa2a0c7c223992c7c36ca458f9e6ccee6b638d4eb9d1f", kill_on_drop: false }`
[INFO] [stdout] 97b03ebc9bcc8d3c24afa2a0c7c223992c7c36ca458f9e6ccee6b638d4eb9d1f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fd83d0ae955b97c5ab7d50464745ef956dfef47528be5e51b950ef9285a4815b
[INFO] running `Command { std: "docker" "start" "-a" "fd83d0ae955b97c5ab7d50464745ef956dfef47528be5e51b950ef9285a4815b", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling clap_builder v4.5.38
[INFO] [stderr]    Compiling rustix v1.0.7
[INFO] [stderr]    Compiling miniz_oxide v0.8.8
[INFO] [stderr]    Compiling colored v2.2.0
[INFO] [stderr]    Compiling chrono v0.4.41
[INFO] [stderr]    Compiling flate2 v1.1.1
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling tempfile v3.20.0
[INFO] [stderr]    Compiling clap_derive v4.5.32
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling clap v4.5.38
[INFO] [stderr]    Compiling clap-markdown v0.1.5
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling mytree v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `arg`
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | use clap::{arg, Parser};
[INFO] [stdout]   |            ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.48s
[INFO] running `Command { std: "docker" "inspect" "fd83d0ae955b97c5ab7d50464745ef956dfef47528be5e51b950ef9285a4815b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd83d0ae955b97c5ab7d50464745ef956dfef47528be5e51b950ef9285a4815b", kill_on_drop: false }`
[INFO] [stdout] fd83d0ae955b97c5ab7d50464745ef956dfef47528be5e51b950ef9285a4815b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1d0b2a26b1a7f73bd5e77c8760b49b72c4e7260e48b2afd6f50f34cc5f464e7e
[INFO] running `Command { std: "docker" "start" "-a" "1d0b2a26b1a7f73bd5e77c8760b49b72c4e7260e48b2afd6f50f34cc5f464e7e", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `arg`
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | use clap::{arg, Parser};
[INFO] [stdout]   |            ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling mytree v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `arg`
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | use clap::{arg, Parser};
[INFO] [stdout]   |            ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.19s
[INFO] running `Command { std: "docker" "inspect" "1d0b2a26b1a7f73bd5e77c8760b49b72c4e7260e48b2afd6f50f34cc5f464e7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d0b2a26b1a7f73bd5e77c8760b49b72c4e7260e48b2afd6f50f34cc5f464e7e", kill_on_drop: false }`
[INFO] [stdout] 1d0b2a26b1a7f73bd5e77c8760b49b72c4e7260e48b2afd6f50f34cc5f464e7e