[INFO] fetching crate maelstrom-layer-fs 0.14.0...
[INFO] testing maelstrom-layer-fs-0.14.0 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1
[INFO] extracting crate maelstrom-layer-fs 0.14.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate maelstrom-layer-fs 0.14.0
[INFO] finished tweaking crates.io crate maelstrom-layer-fs 0.14.0
[INFO] tweaked toml for crates.io crate maelstrom-layer-fs 0.14.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate maelstrom-layer-fs 0.14.0 on toolchain b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate maelstrom-layer-fs 0.14.0 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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 84a1f26d3653cc6079b5bc73ea29e61b61d95a0e9f5642d460c00312e26c47d7
[INFO] running `Command { std: "docker" "start" "-a" "84a1f26d3653cc6079b5bc73ea29e61b61d95a0e9f5642d460c00312e26c47d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "84a1f26d3653cc6079b5bc73ea29e61b61d95a0e9f5642d460c00312e26c47d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84a1f26d3653cc6079b5bc73ea29e61b61d95a0e9f5642d460c00312e26c47d7", kill_on_drop: false }`
[INFO] [stdout] 84a1f26d3653cc6079b5bc73ea29e61b61d95a0e9f5642d460c00312e26c47d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5f615417e23df5e99a2ab1d2ff1ab13f21adf4db222d58b4ee684f47a76a7bc8
[INFO] running `Command { std: "docker" "start" "-a" "5f615417e23df5e99a2ab1d2ff1ab13f21adf4db222d58b4ee684f47a76a7bc8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
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[INFO] [stderr]    Compiling enumset_derive v0.10.0
[INFO] [stderr]    Compiling maelstrom-macro v0.14.0
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_chacha v0.3.1
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[INFO] [stderr]    Compiling icu_provider v1.5.0
[INFO] [stderr]    Compiling derive_more v2.0.1
[INFO] [stderr]    Compiling maelstrom-linux v0.14.0
[INFO] [stderr]    Compiling icu_locid_transform v1.5.0
[INFO] [stderr]    Compiling lddtree v0.3.7
[INFO] [stderr]    Compiling icu_properties v1.5.1
[INFO] [stderr]    Compiling tokio-util v0.7.14
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[INFO] [stderr]    Compiling tower v0.5.2
[INFO] [stderr]    Compiling countio v0.2.19
[INFO] [stderr]    Compiling tokio-stream v0.1.17
[INFO] [stderr]    Compiling deranged v0.3.11
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling serde_qs v0.8.5
[INFO] [stderr]    Compiling uuid v1.16.0
[INFO] [stderr]    Compiling quick-xml v0.31.0
[INFO] [stderr]    Compiling toml_datetime v0.6.8
[INFO] [stderr]    Compiling chrono v0.4.40
[INFO] [stderr]    Compiling serde_spanned v0.6.8
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling toml_edit v0.22.24
[INFO] [stderr]    Compiling nonempty v0.10.0
[INFO] [stderr]    Compiling enum-map v2.7.3
[INFO] [stderr]    Compiling enumset v1.1.5
[INFO] [stderr]    Compiling h2 v0.4.8
[INFO] [stderr]    Compiling bytesize-serde v0.2.1
[INFO] [stderr]    Compiling tokio-tar v0.3.1
[INFO] [stderr]    Compiling time v0.3.39
[INFO] [stderr]    Compiling maelstrom-base v0.14.0
[INFO] [stderr]    Compiling icu_normalizer v1.5.0
[INFO] [stderr]    Compiling serde_with v3.12.0
[INFO] [stderr]    Compiling toml v0.8.20
[INFO] [stderr]    Compiling idna_adapter v1.2.0
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[INFO] [stderr]    Compiling slog-term v2.9.1
[INFO] [stderr]    Compiling url v2.5.4
[INFO] [stderr]    Compiling hyper v1.6.0
[INFO] [stderr]    Compiling hyper-util v0.1.10
[INFO] [stderr]    Compiling hyper-tls v0.6.0
[INFO] [stderr]    Compiling reqwest v0.12.14
[INFO] [stderr]    Compiling azure_svc_blobstorage v0.21.0
[INFO] [stderr]    Compiling azure_storage v0.21.0
[INFO] [stderr]    Compiling azure_storage_blobs v0.21.0
[INFO] [stderr]    Compiling maelstrom-github v0.14.0
[INFO] [stderr]    Compiling maelstrom-util v0.14.0
[INFO] [stderr]    Compiling maelstrom-fuse v0.14.0
[INFO] [stderr]    Compiling maelstrom-layer-fs v0.14.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 44s
[INFO] running `Command { std: "docker" "inspect" "5f615417e23df5e99a2ab1d2ff1ab13f21adf4db222d58b4ee684f47a76a7bc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f615417e23df5e99a2ab1d2ff1ab13f21adf4db222d58b4ee684f47a76a7bc8", kill_on_drop: false }`
[INFO] [stdout] 5f615417e23df5e99a2ab1d2ff1ab13f21adf4db222d58b4ee684f47a76a7bc8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6fa407024313a3722f5f0aac16fb35f8fa0c65852ce4e93feff101dd428ae251
[INFO] running `Command { std: "docker" "start" "-a" "6fa407024313a3722f5f0aac16fb35f8fa0c65852ce4e93feff101dd428ae251", kill_on_drop: false }`
[INFO] [stderr]    Compiling maelstrom-layer-fs v0.14.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:955:39
[INFO] [stdout]     |
[INFO] [stdout] 955 |         async fn bottom_layer_builder(&self, data_dir: &Path) -> BottomLayerBuilder {
[INFO] [stdout]     |                                       ^^^^^                      ------------------ the same lifetime is hidden here
[INFO] [stdout]     |                                       |
[INFO] [stdout]     |                                       the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 955 |         async fn bottom_layer_builder(&self, data_dir: &Path) -> BottomLayerBuilder<'_> {
[INFO] [stdout]     |                                                                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 10.75s
[INFO] running `Command { std: "docker" "inspect" "6fa407024313a3722f5f0aac16fb35f8fa0c65852ce4e93feff101dd428ae251", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fa407024313a3722f5f0aac16fb35f8fa0c65852ce4e93feff101dd428ae251", kill_on_drop: false }`
[INFO] [stdout] 6fa407024313a3722f5f0aac16fb35f8fa0c65852ce4e93feff101dd428ae251
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bcbc22936713677377428c01bfdd74982165800cd80417ec0196bbb673f82e48
[INFO] running `Command { std: "docker" "start" "-a" "bcbc22936713677377428c01bfdd74982165800cd80417ec0196bbb673f82e48", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:955:39
[INFO] [stderr]     |
[INFO] [stderr] 955 |         async fn bottom_layer_builder(&self, data_dir: &Path) -> BottomLayerBuilder {
[INFO] [stderr]     |                                       ^^^^^                      ------------------ the same lifetime is hidden here
[INFO] [stderr]     |                                       |
[INFO] [stderr]     |                                       the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 955 |         async fn bottom_layer_builder(&self, data_dir: &Path) -> BottomLayerBuilder<'_> {
[INFO] [stderr]     |                                                                                    ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `maelstrom-layer-fs` (lib test) generated 1 warning (run `cargo fix --lib -p maelstrom-layer-fs --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.58s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/maelstrom_layer_fs-215928ea370cb6dc)
[INFO] [stdout] 
[INFO] [stdout] running 28 tests
[INFO] [stdout] test avl::avl_node_encoding_size_remains_same ... ok
[INFO] [stdout] test avl::tests::update_if_exists ... ok
[INFO] [stderr] 
[INFO] [stderr] thread 'tests::two_layer_empty_bottom' (42) has overflowed its stack
[INFO] [stderr] fatal runtime error: stack overflow, aborting
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/maelstrom_layer_fs-215928ea370cb6dc` (signal: 6, SIGABRT: process abort signal)
[INFO] running `Command { std: "docker" "inspect" "bcbc22936713677377428c01bfdd74982165800cd80417ec0196bbb673f82e48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcbc22936713677377428c01bfdd74982165800cd80417ec0196bbb673f82e48", kill_on_drop: false }`
[INFO] [stdout] bcbc22936713677377428c01bfdd74982165800cd80417ec0196bbb673f82e48