[INFO] fetching crate gctree 0.34.0...
[INFO] testing gctree-0.34.0 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate gctree 0.34.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate gctree 0.34.0
[INFO] finished tweaking crates.io crate gctree 0.34.0
[INFO] tweaked toml for crates.io crate gctree 0.34.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate gctree 0.34.0 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate gctree 0.34.0 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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded into-attr-derive v0.2.1
[INFO] [stderr]   Downloaded dot-generator v0.2.0
[INFO] [stderr]   Downloaded dot-structures v0.1.2
[INFO] [stderr]   Downloaded ioe v0.6.0
[INFO] [stderr]   Downloaded graphviz-rust v0.9.4
[INFO] [stderr]   Downloaded into-attr v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 728bdb61bc77a7c71593387c22f203d123e8069ac9e94f58fe086fd9dbd744b6
[INFO] running `Command { std: "docker" "start" "-a" "728bdb61bc77a7c71593387c22f203d123e8069ac9e94f58fe086fd9dbd744b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "728bdb61bc77a7c71593387c22f203d123e8069ac9e94f58fe086fd9dbd744b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "728bdb61bc77a7c71593387c22f203d123e8069ac9e94f58fe086fd9dbd744b6", kill_on_drop: false }`
[INFO] [stdout] 728bdb61bc77a7c71593387c22f203d123e8069ac9e94f58fe086fd9dbd744b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 2d78310aa512c60635eb46cec0d9f03e11fe9bf03532794dcd313f9e144ca83f
[INFO] running `Command { std: "docker" "start" "-a" "2d78310aa512c60635eb46cec0d9f03e11fe9bf03532794dcd313f9e144ca83f", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling unicode-segmentation v1.12.0
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]    Compiling convert_case v0.7.1
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling derive_more-impl v2.0.1
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling derive_more v2.0.1
[INFO] [stderr]    Compiling ioe v0.6.0
[INFO] [stderr]    Compiling gctree v0.34.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.04s
[INFO] running `Command { std: "docker" "inspect" "2d78310aa512c60635eb46cec0d9f03e11fe9bf03532794dcd313f9e144ca83f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d78310aa512c60635eb46cec0d9f03e11fe9bf03532794dcd313f9e144ca83f", kill_on_drop: false }`
[INFO] [stdout] 2d78310aa512c60635eb46cec0d9f03e11fe9bf03532794dcd313f9e144ca83f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] bed6aef8f4eacdf07b5e9e8fec1622b4af69c600175f39c4df713636bc92e210
[INFO] running `Command { std: "docker" "start" "-a" "bed6aef8f4eacdf07b5e9e8fec1622b4af69c600175f39c4df713636bc92e210", kill_on_drop: false }`
[INFO] [stderr]    Compiling gctree v0.34.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.01s
[INFO] running `Command { std: "docker" "inspect" "bed6aef8f4eacdf07b5e9e8fec1622b4af69c600175f39c4df713636bc92e210", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bed6aef8f4eacdf07b5e9e8fec1622b4af69c600175f39c4df713636bc92e210", kill_on_drop: false }`
[INFO] [stdout] bed6aef8f4eacdf07b5e9e8fec1622b4af69c600175f39c4df713636bc92e210
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] dc46ef3facbb363184a2d0be5d8163a4464a4b8c0e6d87cac542de0bf3f7b949
[INFO] running `Command { std: "docker" "start" "-a" "dc46ef3facbb363184a2d0be5d8163a4464a4b8c0e6d87cac542de0bf3f7b949", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/gctree-90fae0c777f26a6f)
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test forest::tests::bfs_traversal_basic ... ok
[INFO] [stdout] test forest::tests::ancestors_of ... ok
[INFO] [stdout] test forest::tests::descendants_of ... ok
[INFO] [stdout] test forest::tests::dfs_base ... ok
[INFO] [stdout] test forest::tests::copy_subforest ... ok
[INFO] [stdout] test forest::tests::dfs_traversal_basic ... ok
[INFO] [stdout] test forest::tests::children_of ... ok
[INFO] [stdout] test forest::tests::dfs_post ... ok
[INFO] [stdout] test forest::tests::dfs_pre ... ok
[INFO] [stdout] test forest::tests::remove_subtree ... ok
[INFO] [stdout] test forest::tests::remove_subtree_multiply ... ok
[INFO] [stdout] test forest::tests::siblings_of ... ok
[INFO] [stdout] test forest::tests::rm_descendants_of ... ok
[INFO] [stdout] test forest::tests::move_subtree ... ok
[INFO] [stdout] test forest::tests::replace_subtree ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "dc46ef3facbb363184a2d0be5d8163a4464a4b8c0e6d87cac542de0bf3f7b949", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc46ef3facbb363184a2d0be5d8163a4464a4b8c0e6d87cac542de0bf3f7b949", kill_on_drop: false }`
[INFO] [stdout] dc46ef3facbb363184a2d0be5d8163a4464a4b8c0e6d87cac542de0bf3f7b949