[INFO] cloning repository https://github.com/elusive/rust_prime_sieve
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/elusive/rust_prime_sieve" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felusive%2Frust_prime_sieve", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felusive%2Frust_prime_sieve'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5b5026ce49d99e29b4551d393b3bb140f515f36f
[INFO] checking elusive/rust_prime_sieve against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felusive%2Frust_prime_sieve" "/workspace/builds/worker-28/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-28/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/elusive/rust_prime_sieve on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/elusive/rust_prime_sieve
[INFO] finished tweaking git repo https://github.com/elusive/rust_prime_sieve
[INFO] tweaked toml for git repo https://github.com/elusive/rust_prime_sieve written to /workspace/builds/worker-28/source/Cargo.toml
[INFO] crate git repo https://github.com/elusive/rust_prime_sieve already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded stopwatch v0.0.7
[INFO] [stderr]   Downloaded num-iter v0.1.40
[INFO] [stderr]   Downloaded libc v0.2.68
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0f4fa2eba1ba293f6a0f8080d59007f276f0ba82ee4881d5843a7b88bb0b9b40
[INFO] running `Command { std: "docker" "start" "-a" "0f4fa2eba1ba293f6a0f8080d59007f276f0ba82ee4881d5843a7b88bb0b9b40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0f4fa2eba1ba293f6a0f8080d59007f276f0ba82ee4881d5843a7b88bb0b9b40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f4fa2eba1ba293f6a0f8080d59007f276f0ba82ee4881d5843a7b88bb0b9b40", kill_on_drop: false }`
[INFO] [stdout] 0f4fa2eba1ba293f6a0f8080d59007f276f0ba82ee4881d5843a7b88bb0b9b40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a1b1276afb19574c56508b16183162afc3cd50ad390f4f0fbf507516c354bbc8
[INFO] running `Command { std: "docker" "start" "-a" "a1b1276afb19574c56508b16183162afc3cd50ad390f4f0fbf507516c354bbc8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking stopwatch v0.0.7
[INFO] [stderr]     Checking primes v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `primeCount` should have a snake case name
[INFO] [stdout]  --> src/engine.rs:7:13
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let mut primeCount = 0;
[INFO] [stdout]   |             ^^^^^^^^^^ help: convert the identifier to snake case: `prime_count`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `primeCount` should have a snake case name
[INFO] [stdout]  --> src/engine.rs:7:13
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let mut primeCount = 0;
[INFO] [stdout]   |             ^^^^^^^^^^ help: convert the identifier to snake case: `prime_count`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` 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]     Finished dev [unoptimized + debuginfo] target(s) in 8.73s
[INFO] running `Command { std: "docker" "inspect" "a1b1276afb19574c56508b16183162afc3cd50ad390f4f0fbf507516c354bbc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1b1276afb19574c56508b16183162afc3cd50ad390f4f0fbf507516c354bbc8", kill_on_drop: false }`
[INFO] [stdout] a1b1276afb19574c56508b16183162afc3cd50ad390f4f0fbf507516c354bbc8