[INFO] crate num-prime 0.4.1 is already in cache
[INFO] checking num-prime-0.4.1 against master#9cf699d2ff4ff23a6d6862a35727f4d5d3567dae for pr-98456-1
[INFO] extracting crate num-prime 0.4.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate num-prime 0.4.1 on toolchain 9cf699d2ff4ff23a6d6862a35727f4d5d3567dae
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cf699d2ff4ff23a6d6862a35727f4d5d3567dae" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate num-prime 0.4.1
[INFO] finished tweaking crates.io crate num-prime 0.4.1
[INFO] tweaked toml for crates.io crate num-prime 0.4.1 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate num-prime 0.4.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cf699d2ff4ff23a6d6862a35727f4d5d3567dae" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+9cf699d2ff4ff23a6d6862a35727f4d5d3567dae" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d53490efc59ec4dd901da886d3448566ab9f042c8bd5a0e3bfb0d80bff920439
[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" "d53490efc59ec4dd901da886d3448566ab9f042c8bd5a0e3bfb0d80bff920439", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d53490efc59ec4dd901da886d3448566ab9f042c8bd5a0e3bfb0d80bff920439", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d53490efc59ec4dd901da886d3448566ab9f042c8bd5a0e3bfb0d80bff920439", kill_on_drop: false }`
[INFO] [stdout] d53490efc59ec4dd901da886d3448566ab9f042c8bd5a0e3bfb0d80bff920439
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+9cf699d2ff4ff23a6d6862a35727f4d5d3567dae" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 356bb78b4fa2146349875975b239b0094c36b21b7c0a59517b815785369886b1
[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" "356bb78b4fa2146349875975b239b0094c36b21b7c0a59517b815785369886b1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]     Checking once_cell v1.9.0
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking funty v2.0.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking wyz v0.5.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]     Checking bitvec v1.0.0
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking lru v0.7.2
[INFO] [stderr]     Checking num-modular v0.5.0
[INFO] [stderr]     Checking num-prime v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `pollard_pp1` is never used
[INFO] [stdout]    --> src/factor.rs:324:4
[INFO] [stdout]     |
[INFO] [stdout] 324 | fn pollard_pp1() {}
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `williams_pp1` is never used
[INFO] [stdout]    --> src/factor.rs:325:4
[INFO] [stdout]     |
[INFO] [stdout] 325 | fn williams_pp1() {}
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `psw` is never used
[INFO] [stdout]    --> src/traits.rs:132:8
[INFO] [stdout]     |
[INFO] [stdout] 132 |     fn psw() {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `pm1_trials` and `pp1_trials` are never read
[INFO] [stdout]    --> src/traits.rs:152:5
[INFO] [stdout]     |
[INFO] [stdout] 140 | pub struct FactorizationConfig {
[INFO] [stdout]     |            ------------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 152 |     pm1_trials: usize,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 155 |     pp1_trials: usize,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `FactorizationConfig` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `profile_n` is never used
[INFO] [stdout]   --> examples/profile_factorization.rs:10:4
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn profile_n(n: u128) -> Vec<(String, usize)> {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `pollard_pp1` is never used
[INFO] [stdout]    --> src/factor.rs:324:4
[INFO] [stdout]     |
[INFO] [stdout] 324 | fn pollard_pp1() {}
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `williams_pp1` is never used
[INFO] [stdout]    --> src/factor.rs:325:4
[INFO] [stdout]     |
[INFO] [stdout] 325 | fn williams_pp1() {}
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `psw` is never used
[INFO] [stdout]    --> src/traits.rs:132:8
[INFO] [stdout]     |
[INFO] [stdout] 132 |     fn psw() {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `pm1_trials` and `pp1_trials` are never read
[INFO] [stdout]    --> src/traits.rs:152:5
[INFO] [stdout]     |
[INFO] [stdout] 140 | pub struct FactorizationConfig {
[INFO] [stdout]     |            ------------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 152 |     pm1_trials: usize,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 155 |     pp1_trials: usize,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `FactorizationConfig` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.11s
[INFO] running `Command { std: "docker" "inspect" "356bb78b4fa2146349875975b239b0094c36b21b7c0a59517b815785369886b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "356bb78b4fa2146349875975b239b0094c36b21b7c0a59517b815785369886b1", kill_on_drop: false }`
[INFO] [stdout] 356bb78b4fa2146349875975b239b0094c36b21b7c0a59517b815785369886b1