[INFO] fetching crate lib0 0.16.10...
[INFO] checking lib0-0.16.10 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate lib0 0.16.10 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate lib0 0.16.10
[INFO] finished tweaking crates.io crate lib0 0.16.10
[INFO] tweaked toml for crates.io crate lib0 0.16.10 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate lib0 0.16.10 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 112 packages to latest compatible versions
[INFO] [stderr]       Adding criterion v0.5.1 (available: v0.6.0)
[INFO] [stderr]       Adding proptest-derive v0.3.0 (available: v0.6.0)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.12)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8e698553fd43e2fb7a9c1217d18c5333e177b98a09b8204708cbe41431544927
[INFO] running `Command { std: "docker" "start" "-a" "8e698553fd43e2fb7a9c1217d18c5333e177b98a09b8204708cbe41431544927", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8e698553fd43e2fb7a9c1217d18c5333e177b98a09b8204708cbe41431544927", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e698553fd43e2fb7a9c1217d18c5333e177b98a09b8204708cbe41431544927", kill_on_drop: false }`
[INFO] [stdout] 8e698553fd43e2fb7a9c1217d18c5333e177b98a09b8204708cbe41431544927
[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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fd3d5addf73d3ef2f7052718e214abf7ca0cb3f994eab85703684cb98b399363
[INFO] running `Command { std: "docker" "start" "-a" "fd3d5addf73d3ef2f7052718e214abf7ca0cb3f994eab85703684cb98b399363", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]     Checking cfg-if v1.0.1
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling rustix v1.0.7
[INFO] [stderr]    Compiling zerocopy v0.8.26
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking once_cell v1.21.3
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking linux-raw-sys v0.9.4
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking bitflags v2.9.1
[INFO] [stderr]     Checking regex-syntax v0.8.5
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]     Checking crossbeam-deque v0.8.6
[INFO] [stderr]     Checking half v2.6.0
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]     Checking fastrand v2.3.0
[INFO] [stderr]     Checking ciborium-io v0.2.2
[INFO] [stderr]     Checking plotters-backend v0.3.7
[INFO] [stderr]     Checking clap_lex v0.7.5
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]     Checking anstyle v1.0.11
[INFO] [stderr]     Checking plotters-svg v0.3.7
[INFO] [stderr]     Checking clap_builder v4.5.40
[INFO] [stderr]     Checking ciborium-ll v0.2.2
[INFO] [stderr]     Checking wait-timeout v0.2.1
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking bit-vec v0.8.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking tempfile v3.20.0
[INFO] [stderr]     Checking bit-set v0.8.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]     Checking plotters v0.3.7
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]     Checking clap v4.5.40
[INFO] [stderr]     Checking rand v0.9.1
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking rand_xorshift v0.4.0
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking is-terminal v0.4.16
[INFO] [stderr]     Checking unarray v0.1.4
[INFO] [stderr]     Checking oorandom v11.1.5
[INFO] [stderr]     Checking anes v0.1.6
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking proptest v1.7.0
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]     Checking lib0 v0.16.10 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling proptest-derive v0.3.0
[INFO] [stderr]     Checking serde_json v1.0.140
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.5.1
[INFO] [stdout] warning: unused import: `black_box`
[INFO] [stdout]  --> benches/lib0_benchmarks.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | use criterion::{black_box, criterion_group, criterion_main, Criterion, SamplingMode};
[INFO] [stdout]   |                 ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]   --> tests/encoding_test.rs:38:17
[INFO] [stdout]    |
[INFO] [stdout] 38 | #[derive(Debug, proptest_derive::Arbitrary)]
[INFO] [stdout]    |                 ^-------------------------
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 `Arbitrary` is not local
[INFO] [stdout]    |                 move the `impl` block outside of this constant `_IMPL_ARBITRARY_FOR_EncodingTypes`
[INFO] [stdout] 39 | enum EncodingTypes {
[INFO] [stdout]    |      ------------- `EncodingTypes` is not local
[INFO] [stdout]    |
[INFO] [stdout]    = note: the derive macro `proptest_derive::Arbitrary` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]    = note: the derive macro `proptest_derive::Arbitrary` may come from an old version of the `proptest_derive` crate, try updating your dependency with `cargo update -p proptest_derive`
[INFO] [stdout]    = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]    = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]    = note: `#[warn(non_local_definitions)]` on by default
[INFO] [stdout]    = note: this warning originates in the derive macro `proptest_derive::Arbitrary` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 44.52s
[INFO] running `Command { std: "docker" "inspect" "fd3d5addf73d3ef2f7052718e214abf7ca0cb3f994eab85703684cb98b399363", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd3d5addf73d3ef2f7052718e214abf7ca0cb3f994eab85703684cb98b399363", kill_on_drop: false }`
[INFO] [stdout] fd3d5addf73d3ef2f7052718e214abf7ca0cb3f994eab85703684cb98b399363