[INFO] fetching crate suspend-core 0.1.0...
[INFO] checking suspend-core-0.1.0 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate suspend-core 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate suspend-core 0.1.0
[INFO] finished tweaking crates.io crate suspend-core 0.1.0
[INFO] tweaked toml for crates.io crate suspend-core 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate suspend-core 0.1.0 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 68 packages to latest compatible versions
[INFO] [stderr]       Adding futures-lite v1.13.0 (available: v2.6.0)
[INFO] [stderr]       Adding tracing-subscriber v0.2.25 (available: v0.3.19)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9a181d32d7ad4df19fd97834925e0a5d00785b47be8392c05a2ced8e14fd2d99
[INFO] running `Command { std: "docker" "start" "-a" "9a181d32d7ad4df19fd97834925e0a5d00785b47be8392c05a2ced8e14fd2d99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a181d32d7ad4df19fd97834925e0a5d00785b47be8392c05a2ced8e14fd2d99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a181d32d7ad4df19fd97834925e0a5d00785b47be8392c05a2ced8e14fd2d99", kill_on_drop: false }`
[INFO] [stdout] 9a181d32d7ad4df19fd97834925e0a5d00785b47be8392c05a2ced8e14fd2d99
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b7f2c45181ac345ff3197cd5f7ba4024f548ec04a06b0f057d5db4cf57deeac7
[INFO] running `Command { std: "docker" "start" "-a" "b7f2c45181ac345ff3197cd5f7ba4024f548ec04a06b0f057d5db4cf57deeac7", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]     Checking iana-time-zone v0.1.63
[INFO] [stderr]     Checking tracing-core v0.1.34
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking log v0.4.27
[INFO] [stderr]     Checking thread_local v1.1.9
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]     Checking parking v2.2.1
[INFO] [stderr]     Checking waker-fn v1.2.0
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking futures-io v0.3.31
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]     Checking fastrand v1.9.0
[INFO] [stderr]     Checking futures-lite v1.13.0
[INFO] [stderr]     Checking tracing-log v0.1.4
[INFO] [stderr]     Checking chrono v0.4.41
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking serde_json v1.0.140
[INFO] [stderr]     Checking tracing-serde v0.1.3
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking tracing-subscriber v0.2.25
[INFO] [stderr]     Checking suspend-core v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> src/listen.rs:229:22
[INFO] [stdout]     |
[INFO] [stdout] 229 |             unsafe { Box::from_raw(self as *const _ as *mut Self) };
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 229 |             unsafe { let _ = Box::from_raw(self as *const _ as *mut Self); };
[INFO] [stdout]     |                      +++++++                                             +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> src/listen.rs:229:22
[INFO] [stdout]     |
[INFO] [stdout] 229 |             unsafe { Box::from_raw(self as *const _ as *mut Self) };
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 229 |             unsafe { let _ = Box::from_raw(self as *const _ as *mut Self); };
[INFO] [stdout]     |                      +++++++                                             +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.01s
[INFO] running `Command { std: "docker" "inspect" "b7f2c45181ac345ff3197cd5f7ba4024f548ec04a06b0f057d5db4cf57deeac7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7f2c45181ac345ff3197cd5f7ba4024f548ec04a06b0f057d5db4cf57deeac7", kill_on_drop: false }`
[INFO] [stdout] b7f2c45181ac345ff3197cd5f7ba4024f548ec04a06b0f057d5db4cf57deeac7