[INFO] fetching crate nyar_prime 0.1.0...
[INFO] checking nyar_prime-0.1.0 against beta for pr-78714
[INFO] extracting crate nyar_prime 0.1.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate nyar_prime 0.1.0 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nyar_prime 0.1.0
[INFO] finished tweaking crates.io crate nyar_prime 0.1.0
[INFO] tweaked toml for crates.io crate nyar_prime 0.1.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 16b3517178b655bb857ab1f50989ea9b3ba2e5f7b271bcc8ac9963385eaa7f5a
[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" "16b3517178b655bb857ab1f50989ea9b3ba2e5f7b271bcc8ac9963385eaa7f5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "16b3517178b655bb857ab1f50989ea9b3ba2e5f7b271bcc8ac9963385eaa7f5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16b3517178b655bb857ab1f50989ea9b3ba2e5f7b271bcc8ac9963385eaa7f5a", kill_on_drop: false }`
[INFO] [stdout] 16b3517178b655bb857ab1f50989ea9b3ba2e5f7b271bcc8ac9963385eaa7f5a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "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] c020b7dd79f7009e7477d790f035dfb0584a0fb31c16396d2f4f38f667ce46cf
[INFO] running `Command { std: "docker" "start" "-a" "c020b7dd79f7009e7477d790f035dfb0584a0fb31c16396d2f4f38f667ce46cf", kill_on_drop: false }`
[INFO] [stderr]     Checking hamming v0.1.3
[INFO] [stderr]     Checking primal-estimate v0.2.1
[INFO] [stderr]     Checking rand_xoshiro v0.1.0
[INFO] [stderr]     Checking bstr v0.2.14
[INFO] [stderr]     Checking num-complex v0.2.4
[INFO] [stderr]     Checking num-bigint v0.2.6
[INFO] [stderr]     Checking num-iter v0.1.42
[INFO] [stderr]     Checking primal-check v0.2.3
[INFO] [stderr]     Checking criterion-plot v0.3.1
[INFO] [stderr]     Checking primal-bit v0.2.4
[INFO] [stderr]     Checking primal-sieve v0.2.9
[INFO] [stderr]     Checking primal v0.2.3
[INFO] [stderr]     Checking csv v1.1.4
[INFO] [stderr]     Checking num-rational v0.2.4
[INFO] [stderr]     Checking criterion v0.2.11
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking nyar_prime v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `index`
[INFO] [stdout]  --> src/special/primorial.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     index: BigInt,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `index`
[INFO] [stdout]  --> src/special/primorial_pi.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     index: BigInt,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `ordinal`
[INFO] [stdout]  --> src/special/fermat_prime.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     ordinal: BigInt,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `ordinal`
[INFO] [stdout]  --> src/special/mersenne_prime.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     ordinal: BigInt,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `index`
[INFO] [stdout]  --> src/special/primorial.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     index: BigInt,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `index`
[INFO] [stdout]  --> src/special/primorial_pi.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     index: BigInt,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `ordinal`
[INFO] [stdout]  --> src/special/fermat_prime.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     ordinal: BigInt,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `ordinal`
[INFO] [stdout]  --> src/special/mersenne_prime.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     ordinal: BigInt,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.69s
[INFO] running `Command { std: "docker" "inspect" "c020b7dd79f7009e7477d790f035dfb0584a0fb31c16396d2f4f38f667ce46cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c020b7dd79f7009e7477d790f035dfb0584a0fb31c16396d2f4f38f667ce46cf", kill_on_drop: false }`
[INFO] [stdout] c020b7dd79f7009e7477d790f035dfb0584a0fb31c16396d2f4f38f667ce46cf