[INFO] fetching crate ramp-primes 0.4.1... [INFO] checking ramp-primes-0.4.1 against master#195ad4830e11a544391abe296b146450dea8411b for pr-82781 [INFO] extracting crate ramp-primes 0.4.1 into /workspace/builds/worker-9/source [INFO] validating manifest of crates.io crate ramp-primes 0.4.1 on toolchain 195ad4830e11a544391abe296b146450dea8411b [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate ramp-primes 0.4.1 [INFO] finished tweaking crates.io crate ramp-primes 0.4.1 [INFO] tweaked toml for crates.io crate ramp-primes 0.4.1 written to /workspace/builds/worker-9/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 43b5040a18eec5f2fd0d14609fc68f3c02e8f6a258a5d70a7ed1c4217eb45129 [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" "43b5040a18eec5f2fd0d14609fc68f3c02e8f6a258a5d70a7ed1c4217eb45129", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "43b5040a18eec5f2fd0d14609fc68f3c02e8f6a258a5d70a7ed1c4217eb45129", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "43b5040a18eec5f2fd0d14609fc68f3c02e8f6a258a5d70a7ed1c4217eb45129", kill_on_drop: false }` [INFO] [stdout] 43b5040a18eec5f2fd0d14609fc68f3c02e8f6a258a5d70a7ed1c4217eb45129 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+195ad4830e11a544391abe296b146450dea8411b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0e31bc35209634ca6fc24968e6f6f63fcf6ca5607a23384fcc2e877a4cfdde1a [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" "0e31bc35209634ca6fc24968e6f6f63fcf6ca5607a23384fcc2e877a4cfdde1a", kill_on_drop: false }` [INFO] [stderr] Compiling rustc-serialize v0.3.24 [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Compiling rustc-cfg v0.2.0 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling libc v0.2.90 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking rand v0.5.6 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Checking num-traits v0.1.43 [INFO] [stderr] Compiling num-bigint v0.1.44 [INFO] [stderr] Compiling ramp v0.5.9 [INFO] [stderr] Checking ramp-primes v0.4.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: value assigned to `i` is never read [INFO] [stdout] --> src/lib.rs:185:13 [INFO] [stdout] | [INFO] [stdout] 185 | i = i + &two; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/lib.rs:364:13 [INFO] [stdout] | [INFO] [stdout] 364 | let x = Generator::new_prime(512); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/lib.rs:368:13 [INFO] [stdout] | [INFO] [stdout] 368 | let x = Generator::new_safe_prime(128); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/lib.rs:372:13 [INFO] [stdout] | [INFO] [stdout] 372 | let x = Generator::new_safe_prime_experimental(128); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `prime` [INFO] [stdout] --> src/lib.rs:377:13 [INFO] [stdout] | [INFO] [stdout] 377 | let prime = Factorization::prime_factor_32(x).unwrap(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_prime` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `i` is never read [INFO] [stdout] --> src/lib.rs:185:13 [INFO] [stdout] | [INFO] [stdout] 185 | i = i + &two; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 15.78s [INFO] running `Command { std: "docker" "inspect" "0e31bc35209634ca6fc24968e6f6f63fcf6ca5607a23384fcc2e877a4cfdde1a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0e31bc35209634ca6fc24968e6f6f63fcf6ca5607a23384fcc2e877a4cfdde1a", kill_on_drop: false }` [INFO] [stdout] 0e31bc35209634ca6fc24968e6f6f63fcf6ca5607a23384fcc2e877a4cfdde1a