[INFO] fetching crate shardio 0.7.2...
[INFO] testing shardio-0.7.2 against 1.45.2 for beta-1.46-1
[INFO] extracting crate shardio 0.7.2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate shardio 0.7.2 on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate shardio 0.7.2
[INFO] finished tweaking crates.io crate shardio 0.7.2
[INFO] tweaked toml for crates.io crate shardio 0.7.2 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 45eeaf45dd08e5471a067766ac9f2cc456061926733563eaaa579642658d3450
[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" "45eeaf45dd08e5471a067766ac9f2cc456061926733563eaaa579642658d3450", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "45eeaf45dd08e5471a067766ac9f2cc456061926733563eaaa579642658d3450", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45eeaf45dd08e5471a067766ac9f2cc456061926733563eaaa579642658d3450", kill_on_drop: false }`
[INFO] [stdout] 45eeaf45dd08e5471a067766ac9f2cc456061926733563eaaa579642658d3450
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d10b1a8b76320f78acaf2eeb015289b011e082dda4568efcbeb27a8575ccff57
[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" "d10b1a8b76320f78acaf2eeb015289b011e082dda4568efcbeb27a8575ccff57", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.37
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling cc v1.0.58
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling adler v0.2.3
[INFO] [stderr]    Compiling gimli v0.22.0
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling object v0.20.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling min-max-heap v1.3.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling lz4-sys v1.9.2
[INFO] [stderr]    Compiling crossbeam-channel v0.4.3
[INFO] [stderr]    Compiling addr2line v0.13.0
[INFO] [stderr]    Compiling backtrace v0.3.50
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling lz4 v1.23.2
[INFO] [stderr]    Compiling bincode v1.3.1
[INFO] [stderr]    Compiling shardio v0.7.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 13s
[INFO] running `Command { std: "docker" "inspect" "d10b1a8b76320f78acaf2eeb015289b011e082dda4568efcbeb27a8575ccff57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d10b1a8b76320f78acaf2eeb015289b011e082dda4568efcbeb27a8575ccff57", kill_on_drop: false }`
[INFO] [stdout] d10b1a8b76320f78acaf2eeb015289b011e082dda4568efcbeb27a8575ccff57
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--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] 4d0612eceb64d9ca35971e7c748adf92c2f4202b7936d9786a0b432f10cf43e4
[INFO] running `Command { std: "docker" "start" "-a" "4d0612eceb64d9ca35971e7c748adf92c2f4202b7936d9786a0b432f10cf43e4", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.7.1
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling half v1.6.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling oorandom v11.1.2
[INFO] [stderr]    Compiling difference v2.0.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling is_sorted v0.1.1
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling rayon v1.3.1
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling pretty_assertions v0.5.1
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling aho-corasick v0.7.13
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling bstr v0.2.13
[INFO] [stderr]    Compiling serde_cbor v0.11.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling csv v1.1.3
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling tinytemplate v1.1.0
[INFO] [stderr]    Compiling criterion-plot v0.4.3
[INFO] [stderr]    Compiling plotters v0.2.15
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling quickcheck v0.9.2
[INFO] [stderr]    Compiling criterion v0.3.3
[INFO] [stderr]    Compiling shardio v0.7.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 57.47s
[INFO] running `Command { std: "docker" "inspect" "4d0612eceb64d9ca35971e7c748adf92c2f4202b7936d9786a0b432f10cf43e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d0612eceb64d9ca35971e7c748adf92c2f4202b7936d9786a0b432f10cf43e4", kill_on_drop: false }`
[INFO] [stdout] 4d0612eceb64d9ca35971e7c748adf92c2f4202b7936d9786a0b432f10cf43e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen", 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] 6b48fb5672ac1feb5f62ae8dadfaf0fb5af81aedbed1c1c9977b926aebe79844
[INFO] running `Command { std: "docker" "start" "-a" "6b48fb5672ac1feb5f62ae8dadfaf0fb5af81aedbed1c1c9977b926aebe79844", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/shardio-d506ccfe352064ae
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test range::range_tests::test_range_cmp ... ok
[INFO] [stdout] test range::range_tests::test_shard_cmp ... ok
[INFO] [stdout] test range::range_tests::test_range ... ok
[INFO] [stdout] test helper::thread_tests::thread_iterate_test ... ok
[INFO] [stdout] test shard_tests::test_ttyp_error ... ok
[INFO] [stdout] test shard_tests::test_styp_error ... ok
[INFO] [stdout] test helper::thread_tests::thread_write_test ... ok
[INFO] [stdout] test shard_tests::test_shard_one_key ... ok
[INFO] [stdout] test shard_tests::test_io_error ... ok
[INFO] [stdout] test shard_tests::test_shard_round_trip_sort_key_too_many_active_readers ... ok
[INFO] [stdout] test shard_tests::test_shard_round_trip ... ok
[INFO] [stdout] test shard_tests::multi_slice_correctness_quickcheck ... test shard_tests::multi_slice_correctness_quickcheck has been running for over 60 seconds
[INFO] [stdout] test shard_tests::test_shard_round_trip_sort_key ... test shard_tests::test_shard_round_trip_sort_key has been running for over 60 seconds
[INFO] [stdout] test shard_tests::test_shard_round_trip_sort_key ... ok
[INFO] [stdout] test shard_tests::multi_slice_correctness_quickcheck ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests shardio
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - SortKey (line 136) ... ok
[INFO] [stdout] test src/lib.rs -  (line 7) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs -  (line 7) stdout ----
[INFO] [stdout] Test executable failed (exit code 1).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] Error: Os { code: 30, kind: Other, message: "Read-only file system" }
[INFO] [stdout] 
[INFO] [stdout]    0: failure::backtrace::internal::InternalBacktrace::new
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.8/src/backtrace/internal.rs:46
[INFO] [stdout]    1: failure::backtrace::Backtrace::new
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.8/src/backtrace/mod.rs:121
[INFO] [stdout]    2: <failure::error::error_impl::ErrorImpl as core::convert::From<F>>::from
[INFO] [stdout]    3: <failure::error::Error as core::convert::From<F>>::from
[INFO] [stdout]    4: shardio::SortAndWriteHandler<T,S>::new
[INFO] [stdout]    5: shardio::ShardWriterInner<T,S>::new
[INFO] [stdout]    6: shardio::ShardWriter<T,S>::new
[INFO] [stdout]    7: rust_out::main
[INFO] [stdout]    8: std::rt::lang_start::{{closure}}
[INFO] [stdout]    9: std::rt::lang_start_internal::{{closure}}
[INFO] [stdout]              at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/rt.rs:52
[INFO] [stdout]       std::panicking::try::do_call
[INFO] [stdout]              at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panicking.rs:297
[INFO] [stdout]       std::panicking::try
[INFO] [stdout]              at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panicking.rs:274
[INFO] [stdout]       std::panic::catch_unwind
[INFO] [stdout]              at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panic.rs:394
[INFO] [stdout]       std::rt::lang_start_internal
[INFO] [stdout]              at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/rt.rs:51
[INFO] [stdout]   10: std::rt::lang_start
[INFO] [stdout]   11: main
[INFO] [stdout]   12: __libc_start_main
[INFO] [stdout]   13: _start
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs -  (line 7)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "6b48fb5672ac1feb5f62ae8dadfaf0fb5af81aedbed1c1c9977b926aebe79844", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b48fb5672ac1feb5f62ae8dadfaf0fb5af81aedbed1c1c9977b926aebe79844", kill_on_drop: false }`
[INFO] [stdout] 6b48fb5672ac1feb5f62ae8dadfaf0fb5af81aedbed1c1c9977b926aebe79844