[INFO] fetching crate shardio 0.8.0...
[INFO] testing shardio-0.8.0 against 1.54.0 for beta-1.55-1
[INFO] extracting crate shardio 0.8.0 into /workspace/builds/worker-16/source
[INFO] validating manifest of crates.io crate shardio 0.8.0 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate shardio 0.8.0
[INFO] finished tweaking crates.io crate shardio 0.8.0
[INFO] tweaked toml for crates.io crate shardio 0.8.0 written to /workspace/builds/worker-16/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b429fc58655e9f6028d8c715646e302e1ccb3842d30622805845ed9cd62f14a3
[INFO] running `Command { std: "docker" "start" "-a" "b429fc58655e9f6028d8c715646e302e1ccb3842d30622805845ed9cd62f14a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b429fc58655e9f6028d8c715646e302e1ccb3842d30622805845ed9cd62f14a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b429fc58655e9f6028d8c715646e302e1ccb3842d30622805845ed9cd62f14a3", kill_on_drop: false }`
[INFO] [stdout] b429fc58655e9f6028d8c715646e302e1ccb3842d30622805845ed9cd62f14a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b86fddfd2260b693f33386d418256e61712f79dd5bab34b60befa31441f0ec17
[INFO] running `Command { std: "docker" "start" "-a" "b86fddfd2260b693f33386d418256e61712f79dd5bab34b60befa31441f0ec17", kill_on_drop: false }`
[INFO] [stderr]    Compiling min-max-heap v1.3.0
[INFO] [stderr]    Compiling lz4-sys v1.9.2
[INFO] [stderr]    Compiling object v0.26.0
[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling lz4 v1.23.2
[INFO] [stderr]    Compiling shardio v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.94s
[INFO] running `Command { std: "docker" "inspect" "b86fddfd2260b693f33386d418256e61712f79dd5bab34b60befa31441f0ec17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b86fddfd2260b693f33386d418256e61712f79dd5bab34b60befa31441f0ec17", kill_on_drop: false }`
[INFO] [stdout] b86fddfd2260b693f33386d418256e61712f79dd5bab34b60befa31441f0ec17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ad3fc95730b6263a119c6d4e6cfeda167fd6766acadf0f4c1b5836b5589a8d2
[INFO] running `Command { std: "docker" "start" "-a" "5ad3fc95730b6263a119c6d4e6cfeda167fd6766acadf0f4c1b5836b5589a8d2", kill_on_drop: false }`
[INFO] [stderr]    Compiling plotters-backend v0.3.2
[INFO] [stderr]    Compiling half v1.7.1
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling difference v2.0.0
[INFO] [stderr]    Compiling is_sorted v0.1.1
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling pretty_assertions v0.6.1
[INFO] [stderr]    Compiling serde_cbor v0.11.1
[INFO] [stderr]    Compiling plotters-svg v0.3.1
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling plotters v0.3.1
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling criterion-plot v0.4.4
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling quickcheck v0.9.2
[INFO] [stderr]    Compiling criterion v0.3.5
[INFO] [stderr]    Compiling shardio v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 14.72s
[INFO] running `Command { std: "docker" "inspect" "5ad3fc95730b6263a119c6d4e6cfeda167fd6766acadf0f4c1b5836b5589a8d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ad3fc95730b6263a119c6d4e6cfeda167fd6766acadf0f4c1b5836b5589a8d2", kill_on_drop: false }`
[INFO] [stdout] 5ad3fc95730b6263a119c6d4e6cfeda167fd6766acadf0f4c1b5836b5589a8d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9631b74a965d9d17ad8a9ca961860a797ef1f9e298557a40b467fe5d24da6f32
[INFO] running `Command { std: "docker" "start" "-a" "9631b74a965d9d17ad8a9ca961860a797ef1f9e298557a40b467fe5d24da6f32", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/shardio-edd604cae512f722)
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test range::range_tests::test_range ... ok
[INFO] [stdout] test range::range_tests::test_range_cmp ... ok
[INFO] [stdout] test range::range_tests::test_shard_cmp ... ok
[INFO] [stdout] test helper::thread_tests::thread_iterate_test ... ok
[INFO] [stdout] test shard_tests::test_empty_open_set ... ok
[INFO] [stdout] test shard_tests::test_styp_error ... ok
[INFO] [stdout] test shard_tests::test_ttyp_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::test_shard_round_trip_sort_key ... ok
[INFO] [stdout] test shard_tests::multi_slice_correctness_quickcheck has been running for over 60 seconds
[INFO] [stdout] test shard_tests::multi_slice_correctness_quickcheck ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 317.83s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests shardio
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - SortKey (line 146) ... ok
[INFO] [stdout] test src/lib.rs - (line 11) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 11) 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:46:44
[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:121:35
[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: <core::result::Result<T,F> as core::ops::try_trait::FromResidual<core::result::Result<core::convert::Infallible,E>>>::from_residual
[INFO] [stdout]    5: shardio::SortAndWriteHandler<T,S>::new
[INFO] [stdout]    6: shardio::ShardWriterInner<T,S>::new
[INFO] [stdout]    7: shardio::ShardWriter<T,S>::new
[INFO] [stdout]    8: rust_out::main
[INFO] [stdout]    9: core::ops::function::FnOnce::call_once
[INFO] [stdout]   10: std::sys_common::backtrace::__rust_begin_short_backtrace
[INFO] [stdout]   11: std::rt::lang_start::{{closure}}
[INFO] [stdout]   12: core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:259:13
[INFO] [stdout]       std::panicking::try::do_call
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:401:40
[INFO] [stdout]       std::panicking::try
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:365:19
[INFO] [stdout]       std::panic::catch_unwind
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:434:14
[INFO] [stdout]       std::rt::lang_start_internal
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/rt.rs:34:21
[INFO] [stdout]   13: std::rt::lang_start
[INFO] [stdout]   14: main
[INFO] [stdout]   15: __libc_start_main
[INFO] [stdout]   16: _start
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 11)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.69s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "9631b74a965d9d17ad8a9ca961860a797ef1f9e298557a40b467fe5d24da6f32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9631b74a965d9d17ad8a9ca961860a797ef1f9e298557a40b467fe5d24da6f32", kill_on_drop: false }`
[INFO] [stdout] 9631b74a965d9d17ad8a9ca961860a797ef1f9e298557a40b467fe5d24da6f32
