[INFO] updating cached repository kettlekat/oiler
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/kettlekat/oiler
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/kettlekat/oiler" "work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/gh/kettlekat/oiler"`
[INFO] [stderr] Cloning into 'work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/gh/kettlekat/oiler'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/kettlekat/oiler" "work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/gh/kettlekat/oiler"`
[INFO] [stderr] Cloning into 'work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/gh/kettlekat/oiler'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0b2b00538a1c13db3eebea6fb026b2771e3a477c
[INFO] sha for GitHub repo kettlekat/oiler: 0b2b00538a1c13db3eebea6fb026b2771e3a477c
[INFO] validating manifest of kettlekat/oiler on toolchain master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f613dc138b4012cf3d2eb40718fbcc7cf0a34039-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of kettlekat/oiler on toolchain try#29640c57b5f92febba0e40c50cb863c9a7ede51d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+29640c57b5f92febba0e40c50cb863c9a7ede51d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing kettlekat/oiler
[INFO] finished frobbing kettlekat/oiler
[INFO] frobbed toml for kettlekat/oiler written to work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/gh/kettlekat/oiler/Cargo.toml
[INFO] started frobbing kettlekat/oiler
[INFO] finished frobbing kettlekat/oiler
[INFO] frobbed toml for kettlekat/oiler written to work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/gh/kettlekat/oiler/Cargo.toml
[INFO] crate kettlekat/oiler has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f613dc138b4012cf3d2eb40718fbcc7cf0a34039-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+29640c57b5f92febba0e40c50cb863c9a7ede51d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking kettlekat/oiler against try#29640c57b5f92febba0e40c50cb863c9a7ede51d for pr-57745
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57745/worker-2/try#29640c57b5f92febba0e40c50cb863c9a7ede51d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/gh/kettlekat/oiler:/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=forbid" "-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" "+29640c57b5f92febba0e40c50cb863c9a7ede51d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 8b847c6020feebf97445144fbfd464bbf9c1b8743fbbc08945ba436912b53e76
[INFO] running `"docker" "start" "-a" "8b847c6020feebf97445144fbfd464bbf9c1b8743fbbc08945ba436912b53e76"`
[INFO] [stderr]     Checking num-bigint v0.1.37
[INFO] [stderr]     Checking num-rational v0.1.36
[INFO] [stderr]     Checking num v0.1.37
[INFO] [stderr]     Checking oiler v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `util`
[INFO] [stderr]  --> src/series/fibonacci.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use util;
[INFO] [stderr]   |     ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Range`
[INFO] [stderr]   --> src/util.rs:28:1
[INFO] [stderr]    |
[INFO] [stderr] 28 | / pub struct Range<T>(pub T, pub T, pub T)
[INFO] [stderr] 29 | |     where for<'a> &'a T: Add<&'a T, Output = T>,
[INFO] [stderr] 30 | |           T: PartialOrd,
[INFO] [stderr] 31 | |           T: Clone;
[INFO] [stderr]    | |___________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Fibonacci`
[INFO] [stderr]  --> src/series/fibonacci.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub struct Fibonacci <T: Int> {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/series/fibonacci.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub fn new() -> Fibonacci<T> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused attribute
[INFO] [stderr]  --> src/series/fibonacci.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_attributes)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `util`
[INFO] [stderr]  --> src/series/fibonacci.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use util;
[INFO] [stderr]   |     ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Range`
[INFO] [stderr]   --> src/util.rs:28:1
[INFO] [stderr]    |
[INFO] [stderr] 28 | / pub struct Range<T>(pub T, pub T, pub T)
[INFO] [stderr] 29 | |     where for<'a> &'a T: Add<&'a T, Output = T>,
[INFO] [stderr] 30 | |           T: PartialOrd,
[INFO] [stderr] 31 | |           T: Clone;
[INFO] [stderr]    | |___________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Fibonacci`
[INFO] [stderr]  --> src/series/fibonacci.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub struct Fibonacci <T: Int> {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/series/fibonacci.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub fn new() -> Fibonacci<T> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused attribute
[INFO] [stderr]  --> src/series/fibonacci.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_attributes)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.21s
[INFO] running `"docker" "inspect" "8b847c6020feebf97445144fbfd464bbf9c1b8743fbbc08945ba436912b53e76"`
[INFO] running `"docker" "rm" "-f" "8b847c6020feebf97445144fbfd464bbf9c1b8743fbbc08945ba436912b53e76"`
[INFO] [stdout] 8b847c6020feebf97445144fbfd464bbf9c1b8743fbbc08945ba436912b53e76