[INFO] updating cached repository derricw/rustrsa
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/derricw/rustrsa
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/derricw/rustrsa" "work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/derricw/rustrsa"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/derricw/rustrsa'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/derricw/rustrsa" "work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/derricw/rustrsa"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/derricw/rustrsa'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 25a5a991e8504b1792617e5bff272b15539ea3af
[INFO] sha for GitHub repo derricw/rustrsa: 25a5a991e8504b1792617e5bff272b15539ea3af
[INFO] validating manifest of derricw/rustrsa on toolchain master#0f88167f89fffe321590c5148f21b7d51d44388d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of derricw/rustrsa on toolchain try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing derricw/rustrsa
[INFO] finished frobbing derricw/rustrsa
[INFO] frobbed toml for derricw/rustrsa written to work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/derricw/rustrsa/Cargo.toml
[INFO] started frobbing derricw/rustrsa
[INFO] finished frobbing derricw/rustrsa
[INFO] frobbed toml for derricw/rustrsa written to work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/derricw/rustrsa/Cargo.toml
[INFO] crate derricw/rustrsa already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking derricw/rustrsa against try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b for pr-58948
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58948/worker-5/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/derricw/rustrsa:/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" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 26ac89b560c26820b9277331ced5e0cf2394695602b26c554923b0257a576737
[INFO] running `"docker" "start" "-a" "26ac89b560c26820b9277331ced5e0cf2394695602b26c554923b0257a576737"`
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling rustc-cfg v0.2.0
[INFO] [stderr]     Checking ieee754 v0.2.2
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]     Checking num-complex v0.2.0
[INFO] [stderr]     Checking num-rational v0.2.1
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]     Checking mod_exp v1.0.0
[INFO] [stderr]    Compiling ramp v0.5.0
[INFO] [stderr]     Checking rustrsa v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `math`
[INFO] [stderr]  --> src/crypt.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use math;
[INFO] [stderr]   |     ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ramp::Int`
[INFO] [stderr]  --> src/crypt.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use ramp::Int;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `math`
[INFO] [stderr]  --> src/crypt.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use math;
[INFO] [stderr]   |     ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ramp::Int`
[INFO] [stderr]  --> src/crypt.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use ramp::Int;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `DEFAULT_EXP`
[INFO] [stderr]   --> src/crypt.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | const DEFAULT_EXP: u32 = 65537;         // standard
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `DEFAULT_BLOCK_SIZE`
[INFO] [stderr]   --> src/crypt.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | const DEFAULT_BLOCK_SIZE: u32 = 128;    // bytes
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `extern_prelude` has been stable since 1.30.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(extern_prelude)]  // has to go in crate root. this is lib.rs for libraries
[INFO] [stderr]   |            ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(stable_features)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `DEFAULT_EXP`
[INFO] [stderr]   --> src/crypt.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | const DEFAULT_EXP: u32 = 65537;         // standard
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `DEFAULT_BLOCK_SIZE`
[INFO] [stderr]   --> src/crypt.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | const DEFAULT_BLOCK_SIZE: u32 = 128;    // bytes
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `extern_prelude` has been stable since 1.30.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(extern_prelude)]  // has to go in crate root. this is lib.rs for libraries
[INFO] [stderr]   |            ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(stable_features)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.18s
[INFO] running `"docker" "inspect" "26ac89b560c26820b9277331ced5e0cf2394695602b26c554923b0257a576737"`
[INFO] running `"docker" "rm" "-f" "26ac89b560c26820b9277331ced5e0cf2394695602b26c554923b0257a576737"`
[INFO] [stdout] 26ac89b560c26820b9277331ced5e0cf2394695602b26c554923b0257a576737