[INFO] fetching crate YAPL 0.1.0...
[INFO] checking YAPL-0.1.0 against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] extracting crate YAPL 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate YAPL 0.1.0 on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate YAPL 0.1.0
[INFO] finished tweaking crates.io crate YAPL 0.1.0
[INFO] tweaked toml for crates.io crate YAPL 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 072913efb07e64d6c0dc0ecc9a2e46ed8cbadc0617fc151dcca555dabe6b220c
[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" "072913efb07e64d6c0dc0ecc9a2e46ed8cbadc0617fc151dcca555dabe6b220c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "072913efb07e64d6c0dc0ecc9a2e46ed8cbadc0617fc151dcca555dabe6b220c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "072913efb07e64d6c0dc0ecc9a2e46ed8cbadc0617fc151dcca555dabe6b220c", kill_on_drop: false }`
[INFO] [stdout] 072913efb07e64d6c0dc0ecc9a2e46ed8cbadc0617fc151dcca555dabe6b220c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e1728b0752056275f8e3aaf28b06c476d916f12b79fa3b9edec9133e50f61432
[INFO] running `Command { std: "docker" "start" "-a" "e1728b0752056275f8e3aaf28b06c476d916f12b79fa3b9edec9133e50f61432", kill_on_drop: false }`
[INFO] [stderr]     Checking YAPL v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: crate `YAPL` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `yapl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `isPrime` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn isPrime(n: u64) -> bool
[INFO] [stdout]    |        ^^^^^^^ help: convert the identifier to snake case: `is_prime`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `YAPL` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `yapl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `isPrime` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn isPrime(n: u64) -> bool
[INFO] [stdout]    |        ^^^^^^^ help: convert the identifier to snake case: `is_prime`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "e1728b0752056275f8e3aaf28b06c476d916f12b79fa3b9edec9133e50f61432", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1728b0752056275f8e3aaf28b06c476d916f12b79fa3b9edec9133e50f61432", kill_on_drop: false }`
[INFO] [stdout] e1728b0752056275f8e3aaf28b06c476d916f12b79fa3b9edec9133e50f61432