[INFO] fetching crate greeks 0.5.0...
[INFO] checking greeks-0.5.0 against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] extracting crate greeks 0.5.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate greeks 0.5.0 on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate greeks 0.5.0
[INFO] finished tweaking crates.io crate greeks 0.5.0
[INFO] tweaked toml for crates.io crate greeks 0.5.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] af87a73213cc0b4959bba9d72f17d02e15387c6c2b69fb2f9348c4e9c5168e71
[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" "af87a73213cc0b4959bba9d72f17d02e15387c6c2b69fb2f9348c4e9c5168e71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "af87a73213cc0b4959bba9d72f17d02e15387c6c2b69fb2f9348c4e9c5168e71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af87a73213cc0b4959bba9d72f17d02e15387c6c2b69fb2f9348c4e9c5168e71", kill_on_drop: false }`
[INFO] [stdout] af87a73213cc0b4959bba9d72f17d02e15387c6c2b69fb2f9348c4e9c5168e71
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "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] 8f16fbe1917743e03448eae2105b58f73ecfa0612c7db41bd1b37abce2aa83f0
[INFO] running `Command { std: "docker" "start" "-a" "8f16fbe1917743e03448eae2105b58f73ecfa0612c7db41bd1b37abce2aa83f0", kill_on_drop: false }`
[INFO] [stderr]     Checking greeks v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]    --> src/greeks/first.rs:178:24
[INFO] [stdout]     |
[INFO] [stdout] 178 |     let mult3 = E.powf((-d1.powf(2.0) / 2.0));
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]    --> src/greeks/first.rs:178:24
[INFO] [stdout]     |
[INFO] [stdout] 178 |     let mult3 = E.powf((-d1.powf(2.0) / 2.0));
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` 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] [stdout] warning: unused variable: `r`
[INFO] [stdout]   --> benches/bench.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let r = b.iter(|| {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]   --> benches/bench.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let r = b.iter(|| {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]   --> benches/bench.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 |     let r = b.iter(|| {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]   --> benches/bench.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 56 |     let r = b.iter(|| {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]   --> benches/bench.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 |     let r = b.iter(|| {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]   --> benches/bench.rs:81:9
[INFO] [stdout]    |
[INFO] [stdout] 81 |     let r = b.iter(|| {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]   --> benches/bench.rs:94:9
[INFO] [stdout]    |
[INFO] [stdout] 94 |     let r = b.iter(|| {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]    --> benches/bench.rs:106:9
[INFO] [stdout]     |
[INFO] [stdout] 106 |     let r = b.iter(|| {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "8f16fbe1917743e03448eae2105b58f73ecfa0612c7db41bd1b37abce2aa83f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f16fbe1917743e03448eae2105b58f73ecfa0612c7db41bd1b37abce2aa83f0", kill_on_drop: false }`
[INFO] [stdout] 8f16fbe1917743e03448eae2105b58f73ecfa0612c7db41bd1b37abce2aa83f0