[INFO] fetching crate block-array-cow 0.1.4...
[INFO] testing block-array-cow-0.1.4 against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] extracting crate block-array-cow 0.1.4 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate block-array-cow 0.1.4 on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate block-array-cow 0.1.4
[INFO] finished tweaking crates.io crate block-array-cow 0.1.4
[INFO] tweaked toml for crates.io crate block-array-cow 0.1.4 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f1a5553a9600f9f778d63cf3951c34bb0a6b27211761a32a23bd201ff14ed284
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f1a5553a9600f9f778d63cf3951c34bb0a6b27211761a32a23bd201ff14ed284", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f1a5553a9600f9f778d63cf3951c34bb0a6b27211761a32a23bd201ff14ed284", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1a5553a9600f9f778d63cf3951c34bb0a6b27211761a32a23bd201ff14ed284", kill_on_drop: false }`
[INFO] [stdout] f1a5553a9600f9f778d63cf3951c34bb0a6b27211761a32a23bd201ff14ed284
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 883df017db1b19be977a75b5d780b72945351afbbf4e02a77ec751b76cc58b94
[INFO] running `Command { std: "docker" "start" "-a" "883df017db1b19be977a75b5d780b72945351afbbf4e02a77ec751b76cc58b94", kill_on_drop: false }`
[INFO] [stderr]    Compiling block-array-cow v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.41s
[INFO] running `Command { std: "docker" "inspect" "883df017db1b19be977a75b5d780b72945351afbbf4e02a77ec751b76cc58b94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "883df017db1b19be977a75b5d780b72945351afbbf4e02a77ec751b76cc58b94", kill_on_drop: false }`
[INFO] [stdout] 883df017db1b19be977a75b5d780b72945351afbbf4e02a77ec751b76cc58b94
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 82563a419a87a509fdf5f21bc23a6f9ce6c868058814345a21dabd1a5d4884fb
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "82563a419a87a509fdf5f21bc23a6f9ce6c868058814345a21dabd1a5d4884fb", kill_on_drop: false }`
[INFO] [stderr]    Compiling block-array-cow v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stdout]    --> tests/rand.rs:106:42
[INFO] [stdout]     |
[INFO] [stdout] 106 |                   let mut v: $t = unsafe { ::std::mem::uninitialized() };
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 142 | / rand_gen_any_impl! {
[INFO] [stdout] 143 | |     i16 i64 isize
[INFO] [stdout] 144 | |     u16 u64 usize
[INFO] [stdout] 145 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stdout]    --> tests/rand.rs:106:42
[INFO] [stdout]     |
[INFO] [stdout] 106 |                   let mut v: $t = unsafe { ::std::mem::uninitialized() };
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 142 | / rand_gen_any_impl! {
[INFO] [stdout] 143 | |     i16 i64 isize
[INFO] [stdout] 144 | |     u16 u64 usize
[INFO] [stdout] 145 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stdout]    --> tests/rand.rs:106:42
[INFO] [stdout]     |
[INFO] [stdout] 106 |                   let mut v: $t = unsafe { ::std::mem::uninitialized() };
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 142 | / rand_gen_any_impl! {
[INFO] [stdout] 143 | |     i16 i64 isize
[INFO] [stdout] 144 | |     u16 u64 usize
[INFO] [stdout] 145 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stdout]    --> tests/rand.rs:106:42
[INFO] [stdout]     |
[INFO] [stdout] 106 |                   let mut v: $t = unsafe { ::std::mem::uninitialized() };
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 142 | / rand_gen_any_impl! {
[INFO] [stdout] 143 | |     i16 i64 isize
[INFO] [stdout] 144 | |     u16 u64 usize
[INFO] [stdout] 145 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.71s
[INFO] running `Command { std: "docker" "inspect" "82563a419a87a509fdf5f21bc23a6f9ce6c868058814345a21dabd1a5d4884fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82563a419a87a509fdf5f21bc23a6f9ce6c868058814345a21dabd1a5d4884fb", kill_on_drop: false }`
[INFO] [stdout] 82563a419a87a509fdf5f21bc23a6f9ce6c868058814345a21dabd1a5d4884fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fc6b02d7941e963d3a095e1e5110898b5aaa62bdae3f2cb845aadbd73c18d63d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "fc6b02d7941e963d3a095e1e5110898b5aaa62bdae3f2cb845aadbd73c18d63d", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> tests/rand.rs:106:42
[INFO] [stderr]     |
[INFO] [stderr] 106 |                   let mut v: $t = unsafe { ::std::mem::uninitialized() };
[INFO] [stderr]     |                                            ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 142 | / rand_gen_any_impl! {
[INFO] [stderr] 143 | |     i16 i64 isize
[INFO] [stderr] 144 | |     u16 u64 usize
[INFO] [stderr] 145 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> tests/rand.rs:106:42
[INFO] [stderr]     |
[INFO] [stderr] 106 |                   let mut v: $t = unsafe { ::std::mem::uninitialized() };
[INFO] [stderr]     |                                            ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 142 | / rand_gen_any_impl! {
[INFO] [stderr] 143 | |     i16 i64 isize
[INFO] [stderr] 144 | |     u16 u64 usize
[INFO] [stderr] 145 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> tests/rand.rs:106:42
[INFO] [stderr]     |
[INFO] [stderr] 106 |                   let mut v: $t = unsafe { ::std::mem::uninitialized() };
[INFO] [stderr]     |                                            ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 142 | / rand_gen_any_impl! {
[INFO] [stderr] 143 | |     i16 i64 isize
[INFO] [stderr] 144 | |     u16 u64 usize
[INFO] [stderr] 145 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> tests/rand.rs:106:42
[INFO] [stderr]     |
[INFO] [stderr] 106 |                   let mut v: $t = unsafe { ::std::mem::uninitialized() };
[INFO] [stderr]     |                                            ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 142 | / rand_gen_any_impl! {
[INFO] [stderr] 143 | |     i16 i64 isize
[INFO] [stderr] 144 | |     u16 u64 usize
[INFO] [stderr] 145 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/block_array_cow-76d157a32ba138bd
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rand-ae46e305cb6f016c
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tests-d0bad4859e217f8c
[INFO] [stdout] test mempool_elem::test::test_mempool ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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] [stdout] 
[INFO] [stdout] running 39 tests
[INFO] [stdout] test nop ... ok
[INFO] [stdout] test text_dupe_increase_decrease ... ok
[INFO] [stdout] test single ... ok
[INFO] [stdout] test text_mixed ... ok
[INFO] [stdout] test nop_state ... ok
[INFO] [stdout] test rand_data_stride1_chunk32_mutate2 ... ok
[INFO] [stdout] test text_sentences_chunk_1024 ... ok
[INFO] [stdout] test rand_chunk_8_stride1_chunk64 ... ok
[INFO] [stdout] test double_diff ... ok
[INFO] [stdout] test double_nop ... ok
[INFO] [stdout] test text_sentences_chunk_128 ... ok
[INFO] [stdout] test rand_chunk_64_stride8_chunk32 ... ok
[INFO] [stdout] test rand_chunk_31_stride11_chunk21 ... ok
[INFO] [stdout] test text_sentences_chunk_131 ... ok
[INFO] [stdout] test rand_data_stride8_chunk512_mutate2 ... ok
[INFO] [stdout] test rand_chunk_32_stride1_chunk64 ... ok
[INFO] [stdout] test rand_data_stride32_chunk64_mutate8 ... ok
[INFO] [stdout] test text_sentences_chunk_32 ... ok
[INFO] [stdout] test text_sentences_chunk_13 ... ok
[INFO] [stdout] test text_sentences_chunk_8 ... ok
[INFO] [stdout] test rand_data_stride32_chunk64_mutate1 ... ok
[INFO] [stdout] test rand_data_stride12_chunk48_mutate2 ... ok
[INFO] [stdout] test text_sentences_random_stride32_chunk1 ... ok
[INFO] [stdout] test text_words_chunk_13 ... ok
[INFO] [stdout] test text_words_chunk_131 ... ok
[INFO] [stdout] test text_sentences_random_stride12_chunk512 ... ok
[INFO] [stdout] test text_words_chunk_128 ... ok
[INFO] [stdout] test text_words_chunk_1024 ... ok
[INFO] [stdout] test text_sentences_chunk_3 ... ok
[INFO] [stdout] test text_sentences_random_stride8_chunk8 ... ok
[INFO] [stdout] test text_words_chunk_32 ... ok
[INFO] [stdout] test text_sentences_chunk_2 ... ok
[INFO] [stdout] test text_words_chunk_8 ... ok
[INFO] [stdout] test text_words_chunk_3 ... ok
[INFO] [stdout] test text_sentences_random_stride3_chunk3 ... ok
[INFO] [stdout] test text_words_chunk_2 ... ok
[INFO] [stdout] test text_words_chunk_1 ... ok
[INFO] [stdout] test text_sentences_random_stride128_chunk6 ... ok
[INFO] [stderr]    Doc-tests block-array-cow
[INFO] [stdout] test text_sentences_chunk_1 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 39 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 89) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fc6b02d7941e963d3a095e1e5110898b5aaa62bdae3f2cb845aadbd73c18d63d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc6b02d7941e963d3a095e1e5110898b5aaa62bdae3f2cb845aadbd73c18d63d", kill_on_drop: false }`
[INFO] [stdout] fc6b02d7941e963d3a095e1e5110898b5aaa62bdae3f2cb845aadbd73c18d63d