[INFO] cloning repository https://github.com/ethanboxx/small_fun_rust_projects
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ethanboxx/small_fun_rust_projects" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fethanboxx%2Fsmall_fun_rust_projects", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fethanboxx%2Fsmall_fun_rust_projects'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 22617858a266daa8b27bddd0bfc2433f81573d8e
[INFO] checking ethanboxx/small_fun_rust_projects against master#9fa580b1175018b0a276b0bc68f9827a106f7260 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fethanboxx%2Fsmall_fun_rust_projects" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ethanboxx/small_fun_rust_projects 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/ethanboxx/small_fun_rust_projects
[INFO] finished tweaking git repo https://github.com/ethanboxx/small_fun_rust_projects
[INFO] tweaked toml for git repo https://github.com/ethanboxx/small_fun_rust_projects written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/ethanboxx/small_fun_rust_projects 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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] efa04a4e114d835917f404acfb3e69608862890b2b4248845fc577c35907dae4
[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" "efa04a4e114d835917f404acfb3e69608862890b2b4248845fc577c35907dae4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "efa04a4e114d835917f404acfb3e69608862890b2b4248845fc577c35907dae4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efa04a4e114d835917f404acfb3e69608862890b2b4248845fc577c35907dae4", kill_on_drop: false }`
[INFO] [stdout] efa04a4e114d835917f404acfb3e69608862890b2b4248845fc577c35907dae4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 8b48b4700d8e4d7b953f00254973f0b76e38442c45982ded86aa9acc230c2453
[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" "8b48b4700d8e4d7b953f00254973f0b76e38442c45982ded86aa9acc230c2453", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking rand_core v0.3.0
[INFO] [stderr]     Checking nvec v0.1.0 (/opt/rustwide/workdir/nvec)
[INFO] [stderr]     Checking fizzbuzz v0.1.0 (/opt/rustwide/workdir/fizzbuzz)
[INFO] [stderr]     Checking fibonacci v0.1.0 (/opt/rustwide/workdir/fibonacci)
[INFO] [stderr]     Checking binlist v0.1.0 (/opt/rustwide/workdir/binlist)
[INFO] [stderr]     Checking staircase v0.1.0 (/opt/rustwide/workdir/staircase)
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]  --> binlist/src/main.rs:2:16
[INFO] [stdout]   |
[INFO] [stdout] 2 |     for bin in (0..) {
[INFO] [stdout]   |                ^^^^^ help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]  --> binlist/src/main.rs:2:16
[INFO] [stdout]   |
[INFO] [stdout] 2 |     for bin in (0..) {
[INFO] [stdout]   |                ^^^^^ help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking rand_core v0.2.2
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]     Checking rayon v1.0.2
[INFO] [stderr]     Checking bubble_sort v0.1.0 (/opt/rustwide/workdir/bubble_sort)
[INFO] [stderr]     Checking primes v0.1.0 (/opt/rustwide/workdir/primes)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.52s
[INFO] running `Command { std: "docker" "inspect" "8b48b4700d8e4d7b953f00254973f0b76e38442c45982ded86aa9acc230c2453", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b48b4700d8e4d7b953f00254973f0b76e38442c45982ded86aa9acc230c2453", kill_on_drop: false }`
[INFO] [stdout] 8b48b4700d8e4d7b953f00254973f0b76e38442c45982ded86aa9acc230c2453