[INFO] fetching crate masstree 0.3.5...
[INFO] checking masstree-0.3.5 against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-150727
[INFO] extracting crate masstree 0.3.5 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate masstree 0.3.5
[INFO] finished tweaking crates.io crate masstree 0.3.5
[INFO] tweaked toml for crates.io crate masstree 0.3.5 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate masstree 0.3.5 on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate masstree 0.3.5 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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--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]  Downloading crates ...
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[INFO] [stderr]   Downloaded iai-callgrind-runner v0.16.1
[INFO] [stderr]   Downloaded congee v0.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d0765bca9267a667e083bfb820d01ab3e730f4a53ca2bc1b781472cdecc1ddf9
[INFO] running `Command { std: "docker" "start" "-a" "d0765bca9267a667e083bfb820d01ab3e730f4a53ca2bc1b781472cdecc1ddf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d0765bca9267a667e083bfb820d01ab3e730f4a53ca2bc1b781472cdecc1ddf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0765bca9267a667e083bfb820d01ab3e730f4a53ca2bc1b781472cdecc1ddf9", kill_on_drop: false }`
[INFO] [stdout] d0765bca9267a667e083bfb820d01ab3e730f4a53ca2bc1b781472cdecc1ddf9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 476e95edfe953d7af2ca924cf90270de0190cfd3a956b4079bd5c31aa0a0bc37
[INFO] running `Command { std: "docker" "start" "-a" "476e95edfe953d7af2ca924cf90270de0190cfd3a956b4079bd5c31aa0a0bc37", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling rustix v1.1.2
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[INFO] [stderr]     Checking masstree v0.3.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking scc v3.4.8
[INFO] [stdout] warning: unused imports: `BoxAllocator` and `GenericAllocator`
[INFO] [stdout]    --> src/lib.rs:211:31
[INFO] [stdout]     |
[INFO] [stdout] 211 | pub(crate) use alloc_common::{BoxAllocator, GenericAllocator};
[INFO] [stdout]     |                               ^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `-W unused-imports` implied by `-W unused`
[INFO] [stdout]     = help: to override `-W unused` add `#[allow(unused_imports)]`
[INFO] [stdout] 
[INFO] [stdout] 
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[INFO] [stderr]     Checking criterion-plot v0.8.1
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[INFO] [stderr]     Checking regex v1.12.2
[INFO] [stdout] warning: struct `GenericAllocator` is never constructed
[INFO] [stdout]   --> src/alloc_common.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct GenericAllocator;
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `-W dead-code` implied by `-W unused`
[INFO] [stdout]    = help: to override `-W unused` add `#[expect(dead_code)]` or `#[allow(dead_code)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `try_alloc_with_kind`, `try_alloc`, `try_alloc_zeroed_with_kind`, `try_alloc_zeroed`, and `dealloc` are never used
[INFO] [stdout]   --> src/alloc_common.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl GenericAllocator {
[INFO] [stdout]    | --------------------- associated functions in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 22 |     pub fn try_alloc_with_kind<T>(kind: AllocKind) -> AllocResult<*mut T> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |     pub fn try_alloc<T>() -> AllocResult<*mut T> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 56 |     pub fn try_alloc_zeroed_with_kind<T>(kind: AllocKind) -> AllocResult<*mut T> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 77 |     pub fn try_alloc_zeroed<T>() -> AllocResult<*mut T> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 88 |     pub unsafe fn dealloc<T>(ptr: *mut T) {
[INFO] [stdout]    |                   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BoxAllocator` is never constructed
[INFO] [stdout]   --> src/alloc_common.rs:98:12
[INFO] [stdout]    |
[INFO] [stdout] 98 | pub struct BoxAllocator;
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `try_box_with_kind` and `try_box` are never used
[INFO] [stdout]    --> src/alloc_common.rs:106:12
[INFO] [stdout]     |
[INFO] [stdout] 100 | impl BoxAllocator {
[INFO] [stdout]     | ----------------- associated functions in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 106 |     pub fn try_box_with_kind<T>(value: T, kind: AllocKind) -> AllocResult<Box<T>> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 124 |     pub fn try_box<T>(value: T) -> AllocResult<Box<T>> {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
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[INFO] [stdout] warning: unused imports: `BoxAllocator` and `GenericAllocator`
[INFO] [stdout]    --> src/lib.rs:211:31
[INFO] [stdout]     |
[INFO] [stdout] 211 | pub(crate) use alloc_common::{BoxAllocator, GenericAllocator};
[INFO] [stdout]     |                               ^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `-W unused-imports` implied by `-W unused`
[INFO] [stdout]     = help: to override `-W unused` add `#[allow(unused_imports)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 36.06s
[INFO] running `Command { std: "docker" "inspect" "476e95edfe953d7af2ca924cf90270de0190cfd3a956b4079bd5c31aa0a0bc37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "476e95edfe953d7af2ca924cf90270de0190cfd3a956b4079bd5c31aa0a0bc37", kill_on_drop: false }`
[INFO] [stdout] 476e95edfe953d7af2ca924cf90270de0190cfd3a956b4079bd5c31aa0a0bc37
