[INFO] crate numtraits 0.0.1 is already in cache
[INFO] extracting crate numtraits 0.0.1 into work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/reg/numtraits/0.0.1
[INFO] extracting crate numtraits 0.0.1 into work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/reg/numtraits/0.0.1
[INFO] validating manifest of numtraits-0.0.1 on toolchain master#d99a320cba42f661aebfa1293b7b2ec3603dda75
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of numtraits-0.0.1 on toolchain try#e70472fc501b855c9080f3772432c10fe20b8866
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing numtraits-0.0.1
[INFO] finished frobbing numtraits-0.0.1
[INFO] frobbed toml for numtraits-0.0.1 written to work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/reg/numtraits/0.0.1/Cargo.toml
[INFO] started frobbing numtraits-0.0.1
[INFO] finished frobbing numtraits-0.0.1
[INFO] frobbed toml for numtraits-0.0.1 written to work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/reg/numtraits/0.0.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking numtraits-0.0.1 against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-1/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/reg/numtraits/0.0.1:/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 412638b90d1efd03b5b9634cf706ee9f9f9c574e8ee53550b915975f5d868068
[INFO] running `"docker" "start" "-a" "412638b90d1efd03b5b9634cf706ee9f9f9c574e8ee53550b915975f5d868068"`
[INFO] [stderr]     Checking numtraits v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]   --> src/lib.rs:50:1
[INFO] [stderr]    |
[INFO] [stderr] 50 | / macro_rules! from_to {
[INFO] [stderr] 51 | |     ($tr:ident, $f:ident, $t:ident) => {
[INFO] [stderr] 52 | |         impl $tr<$f> for $t {
[INFO] [stderr] 53 | |             fn from(x: $f) -> $t { x as $t }
[INFO] [stderr] 54 | |         }
[INFO] [stderr] 55 | |     }
[INFO] [stderr] 56 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_macros)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]   --> src/lib.rs:50:1
[INFO] [stderr]    |
[INFO] [stderr] 50 | / macro_rules! from_to {
[INFO] [stderr] 51 | |     ($tr:ident, $f:ident, $t:ident) => {
[INFO] [stderr] 52 | |         impl $tr<$f> for $t {
[INFO] [stderr] 53 | |             fn from(x: $f) -> $t { x as $t }
[INFO] [stderr] 54 | |         }
[INFO] [stderr] 55 | |     }
[INFO] [stderr] 56 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_macros)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `doit`
[INFO] [stderr]    --> src/lib.rs:121:1
[INFO] [stderr]     |
[INFO] [stderr] 121 | fn doit<T: UpCastAs<u64>>() {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `"docker" "inspect" "412638b90d1efd03b5b9634cf706ee9f9f9c574e8ee53550b915975f5d868068"`
[INFO] running `"docker" "rm" "-f" "412638b90d1efd03b5b9634cf706ee9f9f9c574e8ee53550b915975f5d868068"`
[INFO] [stdout] 412638b90d1efd03b5b9634cf706ee9f9f9c574e8ee53550b915975f5d868068