[INFO] crate imprint 0.2.0 is already in cache
[INFO] testing imprint-0.2.0 against 1.38.0 for beta-1.39-1
[INFO] extracting crate imprint 0.2.0 into work/builds/worker-2/source
[INFO] validating manifest of crates.io crate imprint 0.2.0 on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate imprint 0.2.0
[INFO] finished tweaking crates.io crate imprint 0.2.0
[INFO] tweaked toml for crates.io crate imprint 0.2.0 written to work/builds/worker-2/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 7ed52571633c888ae1e8a1f33b2a2474374c3a5ea5aa45001fb068a37b234d7f
[INFO] running `"docker" "start" "-a" "7ed52571633c888ae1e8a1f33b2a2474374c3a5ea5aa45001fb068a37b234d7f"`
[INFO] [stderr]    Compiling imprint v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: the item `mem` is imported redundantly
[INFO] [stderr]    --> src/lib.rs:427:19
[INFO] [stderr]     |
[INFO] [stderr] 22  | use std::{fmt, mem};
[INFO] [stderr]     |                --- the item `mem` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 427 |         use std::{mem, ptr};
[INFO] [stderr]     |                   ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `"docker" "inspect" "7ed52571633c888ae1e8a1f33b2a2474374c3a5ea5aa45001fb068a37b234d7f"`
[INFO] running `"docker" "rm" "-f" "7ed52571633c888ae1e8a1f33b2a2474374c3a5ea5aa45001fb068a37b234d7f"`
[INFO] [stdout] 7ed52571633c888ae1e8a1f33b2a2474374c3a5ea5aa45001fb068a37b234d7f
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 22082aa5a42ce3bab91c3231b55c5da54a5f2ff23a132a6a01cbcaa1d4a68c58
[INFO] running `"docker" "start" "-a" "22082aa5a42ce3bab91c3231b55c5da54a5f2ff23a132a6a01cbcaa1d4a68c58"`
[INFO] [stderr]    Compiling imprint v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: the item `mem` is imported redundantly
[INFO] [stderr]    --> src/lib.rs:427:19
[INFO] [stderr]     |
[INFO] [stderr] 22  | use std::{fmt, mem};
[INFO] [stderr]     |                --- the item `mem` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 427 |         use std::{mem, ptr};
[INFO] [stderr]     |                   ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.75s
[INFO] running `"docker" "inspect" "22082aa5a42ce3bab91c3231b55c5da54a5f2ff23a132a6a01cbcaa1d4a68c58"`
[INFO] running `"docker" "rm" "-f" "22082aa5a42ce3bab91c3231b55c5da54a5f2ff23a132a6a01cbcaa1d4a68c58"`
[INFO] [stdout] 22082aa5a42ce3bab91c3231b55c5da54a5f2ff23a132a6a01cbcaa1d4a68c58
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] dc03a5c1617a79b9e06d415102134e6497da097148b11729ddac0246b341fcc2
[INFO] running `"docker" "start" "-a" "dc03a5c1617a79b9e06d415102134e6497da097148b11729ddac0246b341fcc2"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/imprint-de4fd84c65420673
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test arith::tests::it_works ... ok
[INFO] [stdout] test tests::exists ... ok
[INFO] [stdout] test ix::tests::it_works ... ok
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests imprint
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test src/lib.rs - TyEq<T, U>::apply (line 230) ... ok
[INFO] [stdout] test src/lib.rs - IdF (line 340) ... ok
[INFO] [stdout] test src/lib.rs - imprint (line 49) ... ok
[INFO] [stdout] test src/lib.rs - TyEq<T, U>::apply (line 241) ... ok
[INFO] [stdout] test src/lib.rs - Exists (line 390) ... ok
[INFO] [stdout] test src/lib.rs - TyEq (line 177) ... ok
[INFO] [stdout] test src/lib.rs - TyFn (line 322) ... ok
[INFO] [stdout] test src/lib.rs - imprint (line 57) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "dc03a5c1617a79b9e06d415102134e6497da097148b11729ddac0246b341fcc2"`
[INFO] running `"docker" "rm" "-f" "dc03a5c1617a79b9e06d415102134e6497da097148b11729ddac0246b341fcc2"`
[INFO] [stdout] dc03a5c1617a79b9e06d415102134e6497da097148b11729ddac0246b341fcc2