[INFO] updating cached repository Geal/pgo-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Geal/pgo-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Geal/pgo-rust" "work/ex/beta-1.38-1/sources/1.37.0/gh/Geal/pgo-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Geal/pgo-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Geal/pgo-rust" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Geal/pgo-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Geal/pgo-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a4ad565469fcf9260ab581e631224796d5778994
[INFO] sha for GitHub repo Geal/pgo-rust: a4ad565469fcf9260ab581e631224796d5778994
[INFO] validating manifest of Geal/pgo-rust on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Geal/pgo-rust on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Geal/pgo-rust
[INFO] finished frobbing Geal/pgo-rust
[INFO] frobbed toml for Geal/pgo-rust written to work/ex/beta-1.38-1/sources/1.37.0/gh/Geal/pgo-rust/Cargo.toml
[INFO] started frobbing Geal/pgo-rust
[INFO] finished frobbing Geal/pgo-rust
[INFO] frobbed toml for Geal/pgo-rust written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Geal/pgo-rust/Cargo.toml
[INFO] crate Geal/pgo-rust already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing Geal/pgo-rust against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Geal/pgo-rust:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] b9b6bfa983265e82b7daf6189f0c62e74059ef887ad767a10472a4af1e962993
[INFO] running `"docker" "start" "-a" "b9b6bfa983265e82b7daf6189f0c62e74059ef887ad767a10472a4af1e962993"`
[INFO] [stderr]    Compiling pgo v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around `for` head expression
[INFO] [stderr]    --> src/main.rs:189:14
[INFO] [stderr]     |
[INFO] [stderr] 189 |     for _ in (0..n) {
[INFO] [stderr]     |              ^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:150:12
[INFO] [stderr]     |
[INFO] [stderr] 150 | fn advance(mut bodies: &mut [Planet; N_BODIES], dt: f64,
[INFO] [stderr]     |            ----^^^^^^
[INFO] [stderr]     |            |
[INFO] [stderr]     |            help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `"docker" "inspect" "b9b6bfa983265e82b7daf6189f0c62e74059ef887ad767a10472a4af1e962993"`
[INFO] running `"docker" "rm" "-f" "b9b6bfa983265e82b7daf6189f0c62e74059ef887ad767a10472a4af1e962993"`
[INFO] [stdout] b9b6bfa983265e82b7daf6189f0c62e74059ef887ad767a10472a4af1e962993
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Geal/pgo-rust:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 7ca32eb9ef6bae321e0b57135a082a4cd7773fdd5f3d5c6e3d54ff22709ea6ce
[INFO] running `"docker" "start" "-a" "7ca32eb9ef6bae321e0b57135a082a4cd7773fdd5f3d5c6e3d54ff22709ea6ce"`
[INFO] [stderr]    Compiling pgo v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around `for` head expression
[INFO] [stderr]    --> src/main.rs:189:14
[INFO] [stderr]     |
[INFO] [stderr] 189 |     for _ in (0..n) {
[INFO] [stderr]     |              ^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:150:12
[INFO] [stderr]     |
[INFO] [stderr] 150 | fn advance(mut bodies: &mut [Planet; N_BODIES], dt: f64,
[INFO] [stderr]     |            ----^^^^^^
[INFO] [stderr]     |            |
[INFO] [stderr]     |            help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `"docker" "inspect" "7ca32eb9ef6bae321e0b57135a082a4cd7773fdd5f3d5c6e3d54ff22709ea6ce"`
[INFO] running `"docker" "rm" "-f" "7ca32eb9ef6bae321e0b57135a082a4cd7773fdd5f3d5c6e3d54ff22709ea6ce"`
[INFO] [stdout] 7ca32eb9ef6bae321e0b57135a082a4cd7773fdd5f3d5c6e3d54ff22709ea6ce
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Geal/pgo-rust:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 1f43a0afe159f6ee9463def10bf943425dd48a19662da8dd0c92eaf415363f73
[INFO] running `"docker" "start" "-a" "1f43a0afe159f6ee9463def10bf943425dd48a19662da8dd0c92eaf415363f73"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/pgo-e9ff2258d0fd5006
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "1f43a0afe159f6ee9463def10bf943425dd48a19662da8dd0c92eaf415363f73"`
[INFO] running `"docker" "rm" "-f" "1f43a0afe159f6ee9463def10bf943425dd48a19662da8dd0c92eaf415363f73"`
[INFO] [stdout] 1f43a0afe159f6ee9463def10bf943425dd48a19662da8dd0c92eaf415363f73