[INFO] fetching crate breadthread 0.1.4...
[INFO] checking breadthread-0.1.4 against master#e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682 for beta-170-4
[INFO] extracting crate breadthread 0.1.4 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate breadthread 0.1.4 on toolchain e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate breadthread 0.1.4
[INFO] finished tweaking crates.io crate breadthread 0.1.4
[INFO] tweaked toml for crates.io crate breadthread 0.1.4 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ae62cab31b8241e4bedd109837450a76593e39d9246d5f6d3fbc565f5d302ffb
[INFO] running `Command { std: "docker" "start" "-a" "ae62cab31b8241e4bedd109837450a76593e39d9246d5f6d3fbc565f5d302ffb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ae62cab31b8241e4bedd109837450a76593e39d9246d5f6d3fbc565f5d302ffb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae62cab31b8241e4bedd109837450a76593e39d9246d5f6d3fbc565f5d302ffb", kill_on_drop: false }`
[INFO] [stdout] ae62cab31b8241e4bedd109837450a76593e39d9246d5f6d3fbc565f5d302ffb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 575a5dc397c44a472a2f2e0d9082abcf2499728d1e77632dd049d0ef5aeeb9b2
[INFO] running `Command { std: "docker" "start" "-a" "575a5dc397c44a472a2f2e0d9082abcf2499728d1e77632dd049d0ef5aeeb9b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling syn v2.0.18
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking tracing-core v0.1.31
[INFO] [stderr]     Checking flume v0.10.14
[INFO] [stderr]     Checking bytemuck v1.13.1
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]    Compiling getrandom v0.2.9
[INFO] [stderr]    Compiling const-random-macro v0.1.15
[INFO] [stderr]     Checking const-random v0.1.15
[INFO] [stderr]    Compiling tracing-attributes v0.1.24
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking breadthread v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `deleted_values`
[INFO] [stdout]   --> src/directive.rs:54:17
[INFO] [stdout]    |
[INFO] [stdout] 54 |                 deleted_values,
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^ help: try ignoring the field: `deleted_values: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `deleted_values`
[INFO] [stdout]   --> src/directive.rs:54:17
[INFO] [stdout]    |
[INFO] [stdout] 54 |                 deleted_values,
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^ help: try ignoring the field: `deleted_values: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `driver`
[INFO] [stdout]   --> src/directive.rs:29:38
[INFO] [stdout]    |
[INFO] [stdout] 29 |         let closure = Box::new(move |driver: &mut Driver<'lt, Pinned>| {
[INFO] [stdout]    |                                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_driver`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `driver`
[INFO] [stdout]   --> src/directive.rs:29:38
[INFO] [stdout]    |
[INFO] [stdout] 29 |         let closure = Box::new(move |driver: &mut Driver<'lt, Pinned>| {
[INFO] [stdout]    |                                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_driver`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `known_values` and `known_values_mut` are never used
[INFO] [stdout]   --> src/driver.rs:40:19
[INFO] [stdout]    |
[INFO] [stdout] 35 | impl<'lt, S: PinStatus> Driver<'lt, S> {
[INFO] [stdout]    | -------------------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 40 |     pub(crate) fn known_values(&self) -> &HashSet<usize> {
[INFO] [stdout]    |                   ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |     pub(crate) fn known_values_mut(&mut self) -> &mut HashSet<usize> {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `known_values` and `known_values_mut` are never used
[INFO] [stdout]   --> src/driver.rs:40:19
[INFO] [stdout]    |
[INFO] [stdout] 35 | impl<'lt, S: PinStatus> Driver<'lt, S> {
[INFO] [stdout]    | -------------------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 40 |     pub(crate) fn known_values(&self) -> &HashSet<usize> {
[INFO] [stdout]    |                   ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |     pub(crate) fn known_values_mut(&mut self) -> &mut HashSet<usize> {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.01s
[INFO] running `Command { std: "docker" "inspect" "575a5dc397c44a472a2f2e0d9082abcf2499728d1e77632dd049d0ef5aeeb9b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "575a5dc397c44a472a2f2e0d9082abcf2499728d1e77632dd049d0ef5aeeb9b2", kill_on_drop: false }`
[INFO] [stdout] 575a5dc397c44a472a2f2e0d9082abcf2499728d1e77632dd049d0ef5aeeb9b2
