[INFO] fetching crate mnist-extractor 0.1.1...
[INFO] testing mnist-extractor-0.1.1 against 1.54.0 for beta-1.55-1
[INFO] extracting crate mnist-extractor 0.1.1 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate mnist-extractor 0.1.1 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 mnist-extractor 0.1.1
[INFO] finished tweaking crates.io crate mnist-extractor 0.1.1
[INFO] tweaked toml for crates.io crate mnist-extractor 0.1.1 written to /workspace/builds/worker-11/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 13acbb5acbbda668fe1c17b00beb37a0b1e22804e0ec2d8ae2feb6395c01c496
[INFO] running `Command { std: "docker" "start" "-a" "13acbb5acbbda668fe1c17b00beb37a0b1e22804e0ec2d8ae2feb6395c01c496", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "13acbb5acbbda668fe1c17b00beb37a0b1e22804e0ec2d8ae2feb6395c01c496", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13acbb5acbbda668fe1c17b00beb37a0b1e22804e0ec2d8ae2feb6395c01c496", kill_on_drop: false }`
[INFO] [stdout] 13acbb5acbbda668fe1c17b00beb37a0b1e22804e0ec2d8ae2feb6395c01c496
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] cef266e6a9ac22924e424c85814ba8b3c3cc5fccc6a16506b5e466254755f1c3
[INFO] running `Command { std: "docker" "start" "-a" "cef266e6a9ac22924e424c85814ba8b3c3cc5fccc6a16506b5e466254755f1c3", kill_on_drop: false }`
[INFO] [stderr]    Compiling ndarray v0.13.1
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]    Compiling matrixmultiply v0.2.4
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling cookie_store v0.7.0
[INFO] [stderr]    Compiling reqwest v0.9.24
[INFO] [stderr]    Compiling mnist-extractor v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.99s
[INFO] running `Command { std: "docker" "inspect" "cef266e6a9ac22924e424c85814ba8b3c3cc5fccc6a16506b5e466254755f1c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cef266e6a9ac22924e424c85814ba8b3c3cc5fccc6a16506b5e466254755f1c3", kill_on_drop: false }`
[INFO] [stdout] cef266e6a9ac22924e424c85814ba8b3c3cc5fccc6a16506b5e466254755f1c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 01c9d8150b200f6e5437746e045add4d18f05d24f59eabbc0bc09d66ece13887
[INFO] running `Command { std: "docker" "start" "-a" "01c9d8150b200f6e5437746e045add4d18f05d24f59eabbc0bc09d66ece13887", kill_on_drop: false }`
[INFO] [stderr]    Compiling mnist-extractor v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.14s
[INFO] running `Command { std: "docker" "inspect" "01c9d8150b200f6e5437746e045add4d18f05d24f59eabbc0bc09d66ece13887", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01c9d8150b200f6e5437746e045add4d18f05d24f59eabbc0bc09d66ece13887", kill_on_drop: false }`
[INFO] [stdout] 01c9d8150b200f6e5437746e045add4d18f05d24f59eabbc0bc09d66ece13887
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 704bb9ca95ea4f267fc2abbde4b4f598a6806b623b98763af8a650f51b9f3963
[INFO] running `Command { std: "docker" "start" "-a" "704bb9ca95ea4f267fc2abbde4b4f598a6806b623b98763af8a650f51b9f3963", 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] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.31s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mnist_extractor-e01b7c0df00460db)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mnist-extractor
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - clean_everything (line 67) ... ok
[INFO] [stdout] test src/lib.rs - clean_all_extracted (line 51) ... ok
[INFO] [stdout] test src/lib.rs - get_all (line 26) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - get_all (line 26) stdout ----
[INFO] [stdout] Test executable failed (exit code 101).
[INFO] [stdout] 
[INFO] [stdout] stdout:
[INFO] [stdout] DOWNLOADING t10k-labels-idx1-ubyte
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] thread 'main' panicked at 'request failed: Error(Hyper(Error(Connect, Custom { kind: Other, error: "failed to lookup address information: Temporary failure in name resolution" })), "http://yann.lecun.com/exdb/mnist/t10k-labels-idx1-ubyte.gz")', src/lib.rs:117:47
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x560398640250 - std::backtrace_rs::backtrace::libunwind::trace::h34055254b57d8e79
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stdout]    1:     0x560398640250 - std::backtrace_rs::backtrace::trace_unsynchronized::h8f1e3fbd9afff6ec
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x560398640250 - std::sys_common::backtrace::_print_fmt::h3a99a796b770c360
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x560398640250 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h32d1f94a80615d18
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stdout]    4:     0x56039865d44c - core::fmt::write::h306731c068f7162c
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/fmt/mod.rs:1110:17
[INFO] [stdout]    5:     0x56039863ae75 - std::io::Write::write_fmt::hd2fa90334eee2a21
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/io/mod.rs:1588:15
[INFO] [stdout]    6:     0x56039864224b - std::sys_common::backtrace::_print::h5abaa2601a852287
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stdout]    7:     0x56039864224b - std::sys_common::backtrace::print::h8d81445442bb638f
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stdout]    8:     0x56039864224b - std::panicking::default_hook::{{closure}}::hcfe804496a9fa747
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:208:50
[INFO] [stdout]    9:     0x560398641d21 - std::panicking::default_hook::hbea8e3ccf2ba8901
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:225:9
[INFO] [stdout]   10:     0x560398642914 - std::panicking::rust_panic_with_hook::h7ee9e1a2d0f8975a
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:622:17
[INFO] [stdout]   11:     0x5603986423f7 - std::panicking::begin_panic_handler::{{closure}}::h8ab3b4491718b2c7
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:519:13
[INFO] [stdout]   12:     0x56039864074c - std::sys_common::backtrace::__rust_end_short_backtrace::hd489062ffa586a9f
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stdout]   13:     0x560398642359 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:515:5
[INFO] [stdout]   14:     0x5603981dc781 - core::panicking::panic_fmt::hca6330e3e14086b4
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/panicking.rs:92:14
[INFO] [stdout]   15:     0x5603981dc813 - core::result::unwrap_failed::h6160d2b4bfbb0e87
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/result.rs:1355:5
[INFO] [stdout]   16:     0x5603981e892d - core::result::Result<T,E>::expect::hf246be477150b5cb
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/result.rs:997:23
[INFO] [stdout]   17:     0x5603981deeba - mnist_extractor::download::he90a4e5086d4b2cd
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:117:20
[INFO] [stdout]   18:     0x5603981deb8f - mnist_extractor::maybe_download::h4f4f38ba6bf995b6
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:103:13
[INFO] [stdout]   19:     0x5603981de790 - mnist_extractor::maybe_read::h8b49b08614ce4a66
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:84:19
[INFO] [stdout]   20:     0x5603981de42a - mnist_extractor::get_all::h9e479f58333847f5
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:42:39
[INFO] [stdout]   21:     0x5603981dd205 - rust_out::main::_doctest_main_src_lib_rs_26_0::heebb57d8be8f56fb
[INFO] [stdout]   22:     0x5603981dd1e6 - rust_out::main::h2a38bb51b9580a7d
[INFO] [stdout]   23:     0x5603981dd163 - core::ops::function::FnOnce::call_once::hb73b95e6982fd3f0
[INFO] [stdout]   24:     0x5603981dd059 - std::sys_common::backtrace::__rust_begin_short_backtrace::h8371d112165838d3
[INFO] [stdout]   25:     0x5603981dd0c9 - std::rt::lang_start::{{closure}}::h783adf50233ec5ec
[INFO] [stdout]   26:     0x560398642f19 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h2aabc384aab89b7b
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:259:13
[INFO] [stdout]   27:     0x560398642f19 - std::panicking::try::do_call::hc5fcacb7a85fc7b1
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:401:40
[INFO] [stdout]   28:     0x560398642f19 - std::panicking::try::hb5d9603af3abbe3a
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:365:19
[INFO] [stdout]   29:     0x560398642f19 - std::panic::catch_unwind::h98fe6ac3925e64b4
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:434:14
[INFO] [stdout]   30:     0x560398642f19 - std::rt::lang_start_internal::h22ac7383c516f93e
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/rt.rs:34:21
[INFO] [stdout]   31:     0x5603981dd0b1 - std::rt::lang_start::h11b9716471e37ff8
[INFO] [stdout]   32:     0x5603981dd803 - main
[INFO] [stdout]   33:     0x7f02ece560b3 - __libc_start_main
[INFO] [stdout]   34:     0x5603981dcf1e - _start
[INFO] [stdout]   35:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - get_all (line 26)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 2 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 7.08s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "704bb9ca95ea4f267fc2abbde4b4f598a6806b623b98763af8a650f51b9f3963", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "704bb9ca95ea4f267fc2abbde4b4f598a6806b623b98763af8a650f51b9f3963", kill_on_drop: false }`
[INFO] [stdout] 704bb9ca95ea4f267fc2abbde4b4f598a6806b623b98763af8a650f51b9f3963
