[INFO] cloning repository https://github.com/ColonelPhantom/parallel-prime
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ColonelPhantom/parallel-prime" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FColonelPhantom%2Fparallel-prime", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FColonelPhantom%2Fparallel-prime'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ad4411c889a8975fa01da5538963ddc94b8772d8
[INFO] checking ColonelPhantom/parallel-prime against master#9fa580b1175018b0a276b0bc68f9827a106f7260 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FColonelPhantom%2Fparallel-prime" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ColonelPhantom/parallel-prime on toolchain 9fa580b1175018b0a276b0bc68f9827a106f7260
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ColonelPhantom/parallel-prime
[INFO] finished tweaking git repo https://github.com/ColonelPhantom/parallel-prime
[INFO] tweaked toml for git repo https://github.com/ColonelPhantom/parallel-prime written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/ColonelPhantom/parallel-prime already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b8c7c4bf06616f37ecc87c6d594c733a669d22eeb09a404f73c795daf119c6d9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b8c7c4bf06616f37ecc87c6d594c733a669d22eeb09a404f73c795daf119c6d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b8c7c4bf06616f37ecc87c6d594c733a669d22eeb09a404f73c795daf119c6d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8c7c4bf06616f37ecc87c6d594c733a669d22eeb09a404f73c795daf119c6d9", kill_on_drop: false }`
[INFO] [stdout] b8c7c4bf06616f37ecc87c6d594c733a669d22eeb09a404f73c795daf119c6d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2fea39476d24b4ad76d2a1007bd2d7244fa27cf424b301c074a40255a80e37f1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2fea39476d24b4ad76d2a1007bd2d7244fa27cf424b301c074a40255a80e37f1", kill_on_drop: false }`
[INFO] [stderr]     Checking rand_core v0.4.0
[INFO] [stderr]    Compiling autocfg v0.1.4
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]     Checking smallvec v0.6.9
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]     Checking integer-sqrt v0.1.2
[INFO] [stderr]     Checking lock_api v0.2.0
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling parking_lot_core v0.5.0
[INFO] [stderr]    Compiling parking_lot v0.8.0
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking prime v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/threadpool.rs:8:25
[INFO] [stdout]   |
[INFO] [stdout] 8 |     queue: VecDeque<Box<FnOnce()+Send>>,
[INFO] [stdout]   |                         ^^^^^^^^^^^^^ help: use `dyn`: `dyn FnOnce()+Send`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/threadpool.rs:20:31
[INFO] [stdout]    |
[INFO] [stdout] 20 |     tasks: Mutex<VecDeque<Box<FnOnce()+Send>>>,
[INFO] [stdout]    |                               ^^^^^^^^^^^^^ help: use `dyn`: `dyn FnOnce()+Send`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/threadpool.rs:8:25
[INFO] [stdout]   |
[INFO] [stdout] 8 |     queue: VecDeque<Box<FnOnce()+Send>>,
[INFO] [stdout]   |                         ^^^^^^^^^^^^^ help: use `dyn`: `dyn FnOnce()+Send`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/threadpool.rs:20:31
[INFO] [stdout]    |
[INFO] [stdout] 20 |     tasks: Mutex<VecDeque<Box<FnOnce()+Send>>>,
[INFO] [stdout]    |                               ^^^^^^^^^^^^^ help: use `dyn`: `dyn FnOnce()+Send`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `enqueue`
[INFO] [stdout]   --> src/threadpool.rs:52:12
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn enqueue<F: 'static>(&self, f: F) where F: FnOnce()+Send {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `enqueue`
[INFO] [stdout]   --> src/threadpool.rs:52:12
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn enqueue<F: 'static>(&self, f: F) where F: FnOnce()+Send {
[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 13.37s
[INFO] running `Command { std: "docker" "inspect" "2fea39476d24b4ad76d2a1007bd2d7244fa27cf424b301c074a40255a80e37f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fea39476d24b4ad76d2a1007bd2d7244fa27cf424b301c074a40255a80e37f1", kill_on_drop: false }`
[INFO] [stdout] 2fea39476d24b4ad76d2a1007bd2d7244fa27cf424b301c074a40255a80e37f1