[INFO] crate threading 0.1.2 is already in cache
[INFO] checking threading-0.1.2 against master#bd0bacc694d7d8175804bb6f690cb846bfa4a9ee for pr-71665
[INFO] extracting crate threading 0.1.2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate threading 0.1.2 on toolchain bd0bacc694d7d8175804bb6f690cb846bfa4a9ee
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate threading 0.1.2
[INFO] finished tweaking crates.io crate threading 0.1.2
[INFO] tweaked toml for crates.io crate threading 0.1.2 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3af539b0ed8ef91c0cdc7356938c3c673ba1cf8587d410a657b119366e3f1f83
[INFO] running `"docker" "start" "-a" "3af539b0ed8ef91c0cdc7356938c3c673ba1cf8587d410a657b119366e3f1f83"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking threading v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:19:22
[INFO] [stderr]    |
[INFO] [stderr] 19 | type Truck<'a> = Box<FnBox + Send + 'a>;
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox + Send + 'a`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:19:22
[INFO] [stderr]    |
[INFO] [stderr] 19 | type Truck<'a> = Box<FnBox + Send + 'a>;
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox + Send + 'a`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused arithmetic operation that must be used
[INFO] [stderr]    --> src/lib.rs:165:13
[INFO] [stderr]     |
[INFO] [stderr] 165 |             i * i;
[INFO] [stderr]     |             ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.06s
[INFO] running `"docker" "inspect" "3af539b0ed8ef91c0cdc7356938c3c673ba1cf8587d410a657b119366e3f1f83"`
[INFO] running `"docker" "rm" "-f" "3af539b0ed8ef91c0cdc7356938c3c673ba1cf8587d410a657b119366e3f1f83"`
[INFO] [stdout] 3af539b0ed8ef91c0cdc7356938c3c673ba1cf8587d410a657b119366e3f1f83