[INFO] crate collection 0.1.1 is already in cache
[INFO] extracting crate collection 0.1.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/collection/0.1.1
[INFO] extracting crate collection 0.1.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/collection/0.1.1
[INFO] validating manifest of collection-0.1.1 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 collection-0.1.1 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 collection-0.1.1
[INFO] finished frobbing collection-0.1.1
[INFO] frobbed toml for collection-0.1.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/collection/0.1.1/Cargo.toml
[INFO] started frobbing collection-0.1.1
[INFO] finished frobbing collection-0.1.1
[INFO] frobbed toml for collection-0.1.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/collection/0.1.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 collection-0.1.1 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-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/collection/0.1.1:/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=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] 13b4481d2b0a998d3076a607cdc1813eb403f8e46e262989bcd07f1f9ab1f61d
[INFO] running `"docker" "start" "-a" "13b4481d2b0a998d3076a607cdc1813eb403f8e46e262989bcd07f1f9ab1f61d"`
[INFO] [stderr]    Compiling trait-group v0.1.0
[INFO] [stderr]    Compiling seahash v3.0.6
[INFO] [stderr]    Compiling collection v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]    --> src/collection/mod.rs:271:1
[INFO] [stderr]     |
[INFO] [stderr] 271 | / macro_rules! collection {
[INFO] [stderr] 272 | |     ($collection:ident<$t:ident>
[INFO] [stderr] 273 | |      {
[INFO] [stderr] 274 | |          $( $slot:ident: $submeta:ident<$subtype:ty>, )*
[INFO] [stderr] ...   |
[INFO] [stderr] 327 | |     )
[INFO] [stderr] 328 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_macros)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.17s
[INFO] running `"docker" "inspect" "13b4481d2b0a998d3076a607cdc1813eb403f8e46e262989bcd07f1f9ab1f61d"`
[INFO] running `"docker" "rm" "-f" "13b4481d2b0a998d3076a607cdc1813eb403f8e46e262989bcd07f1f9ab1f61d"`
[INFO] [stdout] 13b4481d2b0a998d3076a607cdc1813eb403f8e46e262989bcd07f1f9ab1f61d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/collection/0.1.1:/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=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] 396e44b2351bf369cd535e7137b4836460ba5f85ce513c76d368763f67e167fd
[INFO] running `"docker" "start" "-a" "396e44b2351bf369cd535e7137b4836460ba5f85ce513c76d368763f67e167fd"`
[INFO] [stderr]    Compiling collection v0.1.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.31s
[INFO] running `"docker" "inspect" "396e44b2351bf369cd535e7137b4836460ba5f85ce513c76d368763f67e167fd"`
[INFO] running `"docker" "rm" "-f" "396e44b2351bf369cd535e7137b4836460ba5f85ce513c76d368763f67e167fd"`
[INFO] [stdout] 396e44b2351bf369cd535e7137b4836460ba5f85ce513c76d368763f67e167fd
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/collection/0.1.1:/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=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] 8f4376f509dcbd8cff5769dbb5f693c4455d00ab838b6f692f0660d88e59a5b6
[INFO] running `"docker" "start" "-a" "8f4376f509dcbd8cff5769dbb5f693c4455d00ab838b6f692f0660d88e59a5b6"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/collection-e087635c2f9dc776
[INFO] [stdout] 
[INFO] [stdout] running 27 tests
[INFO] [stdout] test ops::map::tests::overwrite ... ok
[INFO] [stdout] test ops::map::tests::clone ... ok
[INFO] [stdout] test ops::map::tests::insert ... ok
[INFO] [stdout] test ops::map::tests::merge ... ok
[INFO] [stdout] test ops::set::tests::partial_equal ... ok
[INFO] [stdout] test ops::set::tests::insert_one ... ok
[INFO] [stdout] test ops::set::tests::member ... ok
[INFO] [stdout] test ops::set::tests::set_clone_noninterleaving ... ok
[INFO] [stdout] test ops::set::tests::set_insert ... ok
[INFO] [stdout] test ops::vector::tests::concat_comprehensive ... ok
[INFO] [stdout] test ops::set::tests::set_clone_interleaving ... ok
[INFO] [stdout] test ops::vector::tests::concat ... ok
[INFO] [stdout] test ops::vector::tests::insert_panic ... ok
[INFO] [stdout] test ops::set::tests::set_remove ... ok
[INFO] [stdout] test ops::vector::tests::partial_equal ... ok
[INFO] [stdout] test ops::vector::tests::partial_equal_ordering ... ok
[INFO] [stdout] test ops::set::tests::union_overlapping ... ok
[INFO] [stdout] test ops::vector::tests::indexing ... ok
[INFO] [stdout] test ops::map::tests::partial_eq ... ok
[INFO] [stdout] test ops::set::tests::union ... ok
[INFO] [stdout] test ops::vector::tests::insert ... ok
[INFO] [stdout] test ops::set::tests::set_equal ... ok
[INFO] [stdout] test ops::vector::tests::remove ... ok
[INFO] [stdout] test ops::vector::tests::remove_from_back ... ok
[INFO] [stdout] test ops::vector::tests::splice_middle ... ok
[INFO] [stdout] test ops::vector::tests::mutate ... ok
[INFO] [stdout] test ops::vector::tests::split ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 27 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests collection
[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" "8f4376f509dcbd8cff5769dbb5f693c4455d00ab838b6f692f0660d88e59a5b6"`
[INFO] running `"docker" "rm" "-f" "8f4376f509dcbd8cff5769dbb5f693c4455d00ab838b6f692f0660d88e59a5b6"`
[INFO] [stdout] 8f4376f509dcbd8cff5769dbb5f693c4455d00ab838b6f692f0660d88e59a5b6