[INFO] fetching crate greeks 0.5.0...
[INFO] checking greeks-0.5.0 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate greeks 0.5.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate greeks 0.5.0 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 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-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] bf120b7ef2fa6b5bb4c79e2a1fd3a418f33e296c74fe03b8042c6179fcc0a52a
[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" "bf120b7ef2fa6b5bb4c79e2a1fd3a418f33e296c74fe03b8042c6179fcc0a52a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bf120b7ef2fa6b5bb4c79e2a1fd3a418f33e296c74fe03b8042c6179fcc0a52a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf120b7ef2fa6b5bb4c79e2a1fd3a418f33e296c74fe03b8042c6179fcc0a52a", kill_on_drop: false }`
[INFO] [stdout] bf120b7ef2fa6b5bb4c79e2a1fd3a418f33e296c74fe03b8042c6179fcc0a52a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1a9958b34861d0eb2296897d591aafb8bca4ba079d3ae74b3ea4b387ebd89150
[INFO] running `Command { std: "docker" "start" "-a" "1a9958b34861d0eb2296897d591aafb8bca4ba079d3ae74b3ea4b387ebd89150", 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]     |                        ^                   ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 178 -     let mult3 = E.powf((-d1.powf(2.0) / 2.0));
[INFO] [stdout] 178 +     let mult3 = E.powf(-d1.powf(2.0) / 2.0);
[INFO] [stdout]     | 
[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]     |                        ^                   ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 178 -     let mult3 = E.powf((-d1.powf(2.0) / 2.0));
[INFO] [stdout] 178 +     let mult3 = E.powf(-d1.powf(2.0) / 2.0);
[INFO] [stdout]     | 
[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 0.98s
[INFO] running `Command { std: "docker" "inspect" "1a9958b34861d0eb2296897d591aafb8bca4ba079d3ae74b3ea4b387ebd89150", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a9958b34861d0eb2296897d591aafb8bca4ba079d3ae74b3ea4b387ebd89150", kill_on_drop: false }`
[INFO] [stdout] 1a9958b34861d0eb2296897d591aafb8bca4ba079d3ae74b3ea4b387ebd89150