[INFO] fetching crate mnist-extractor 0.1.1...
[INFO] testing mnist-extractor-0.1.1 against master#1ef7943ee607160a564655b6596f83670ef95df5 for pr-146098-6
[INFO] extracting crate mnist-extractor 0.1.1 into /workspace/builds/worker-7-tc1/source
[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-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mnist-extractor 0.1.1 on toolchain 1ef7943ee607160a564655b6596f83670ef95df5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 199 packages to latest compatible versions
[INFO] [stderr]       Adding libflate v0.1.27 (available: v2.2.0)
[INFO] [stderr]       Adding ndarray v0.13.1 (available: v0.17.1)
[INFO] [stderr]       Adding reqwest v0.9.24 (available: v0.12.24)
[INFO] [stderr]       Adding wasi v0.10.0+wasi-snapshot-preview1 (available: v0.10.2+wasi-snapshot-preview1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a624727616c00936f19d90927e79b07c8388d7828c806fbea053e7d5c9998bbe
[INFO] running `Command { std: "docker" "start" "-a" "a624727616c00936f19d90927e79b07c8388d7828c806fbea053e7d5c9998bbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a624727616c00936f19d90927e79b07c8388d7828c806fbea053e7d5c9998bbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a624727616c00936f19d90927e79b07c8388d7828c806fbea053e7d5c9998bbe", kill_on_drop: false }`
[INFO] [stdout] a624727616c00936f19d90927e79b07c8388d7828c806fbea053e7d5c9998bbe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 318124cb0e9f2fc70fd37c6ea28a7ae793c538a3cf9a548fb6294744901b339b
[INFO] running `Command { std: "docker" "start" "-a" "318124cb0e9f2fc70fd37c6ea28a7ae793c538a3cf9a548fb6294744901b339b", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures v0.1.31
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[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` profile [unoptimized + debuginfo] target(s) in 1m 41s
[INFO] running `Command { std: "docker" "inspect" "318124cb0e9f2fc70fd37c6ea28a7ae793c538a3cf9a548fb6294744901b339b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "318124cb0e9f2fc70fd37c6ea28a7ae793c538a3cf9a548fb6294744901b339b", kill_on_drop: false }`
[INFO] [stdout] 318124cb0e9f2fc70fd37c6ea28a7ae793c538a3cf9a548fb6294744901b339b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 71271b5641494d270bca45b1e617fb4238bd1a089901313f7989fa5c508de8cb
[INFO] running `Command { std: "docker" "start" "-a" "71271b5641494d270bca45b1e617fb4238bd1a089901313f7989fa5c508de8cb", kill_on_drop: false }`
[INFO] [stderr]    Compiling mnist-extractor v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "71271b5641494d270bca45b1e617fb4238bd1a089901313f7989fa5c508de8cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71271b5641494d270bca45b1e617fb4238bd1a089901313f7989fa5c508de8cb", kill_on_drop: false }`
[INFO] [stdout] 71271b5641494d270bca45b1e617fb4238bd1a089901313f7989fa5c508de8cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 81e072cd19de8a87eb344d2420160d05e8f17a3b58655bb8caa1dad3676296e7
[INFO] running `Command { std: "docker" "start" "-a" "81e072cd19de8a87eb344d2420160d05e8f17a3b58655bb8caa1dad3676296e7", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.45s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mnist_extractor-deaf7179e7a55b31)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mnist_extractor
[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 status: 101).
[INFO] [stdout] 
[INFO] [stdout] stdout:
[INFO] [stdout] DOWNLOADING t10k-labels-idx1-ubyte
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] 
[INFO] [stdout] thread 'main' (79) panicked at src/lib.rs:117:47:
[INFO] [stdout] request failed: Error(Hyper(Error(Connect, Custom { kind: Uncategorized, error: "failed to lookup address information: Temporary failure in name resolution" })), "http://yann.lecun.com/exdb/mnist/t10k-labels-idx1-ubyte.gz")
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x62b6bb6febb2 - std::backtrace_rs::backtrace::libunwind::trace::h786de35fecf3582f
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x62b6bb6febb2 - std::backtrace_rs::backtrace::trace_unsynchronized::h4a7da1a2a64387f1
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x62b6bb6febb2 - std::sys::backtrace::_print_fmt::h6bd7d500070c788c
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x62b6bb6febb2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h6d82c1afff976903
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x62b6bb71020f - core::fmt::rt::Argument::fmt::hc4ce6d643d397690
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x62b6bb71020f - core::fmt::write::hb1e7ca88b6a3936e
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/fmt/mod.rs:1469:25
[INFO] [stdout]    6:     0x62b6bb6d8823 - std::io::default_write_fmt::hd5a9ffaa98f14929
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x62b6bb6d8823 - std::io::Write::write_fmt::hc04a1e5003ed78ae
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x62b6bb6dfbc2 - std::sys::backtrace::BacktraceLock::print::ha2430613ee79d059
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x62b6bb6e2a6f - std::panicking::default_hook::{{closure}}::hdbd2db9e5c303cf6
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x62b6bb6e28c9 - std::panicking::default_hook::hed93c70cba5fdcf0
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:328:9
[INFO] [stdout]   11:     0x62b6bb6e30f5 - std::panicking::panic_with_hook::h3862d766c2cec19b
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:834:13
[INFO] [stdout]   12:     0x62b6bb6e2eda - std::panicking::panic_handler::{{closure}}::hb95eb402b5e28ee1
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:707:13
[INFO] [stdout]   13:     0x62b6bb6dfd09 - std::sys::backtrace::__rust_end_short_backtrace::hf73a26dc1835d85a
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   14:     0x62b6bb6cc91d - __rustc[6ed5915ee467787]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:698:5
[INFO] [stdout]   15:     0x62b6bb7163c0 - core::panicking::panic_fmt::h3454303eb8e6f7cd
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/panicking.rs:80:14
[INFO] [stdout]   16:     0x62b6bb7155c6 - core::result::unwrap_failed::h2380020e6daeb464
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/result.rs:1862:5
[INFO] [stdout]   17:     0x62b6bb381a13 - core::result::Result<T,E>::expect::hbbb7712fe47e6bcc
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/result.rs:1185:23
[INFO] [stdout]   18:     0x62b6bb37eb0c - mnist_extractor::download::h4bcaafda513d2ad6
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:117:47
[INFO] [stdout]   19:     0x62b6bb37da00 - mnist_extractor::maybe_download::hef6ee9262d25b4e5
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:103:13
[INFO] [stdout]   20:     0x62b6bb37d870 - mnist_extractor::maybe_read::ha71cc9f85842cfc0
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:84:19
[INFO] [stdout]   21:     0x62b6bb37e43a - mnist_extractor::get_all::hb3d22ab79e4cb893
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:42:39
[INFO] [stdout]   22:     0x62b6bb37c9c8 - rust_out::main::_doctest_main_src_lib_rs_26_0::h4ce8b3c795203e9c
[INFO] [stdout]   23:     0x62b6bb37c9a6 - rust_out::main::h4033cd6033bd24e0
[INFO] [stdout]   24:     0x62b6bb37c973 - core::ops::function::FnOnce::call_once::h41347ff1687e6b73
[INFO] [stdout]   25:     0x62b6bb37c916 - std::sys::backtrace::__rust_begin_short_backtrace::h3dc8794c0fbffb60
[INFO] [stdout]   26:     0x62b6bb37c8f9 - std::rt::lang_start::{{closure}}::h1efb547a500af631
[INFO] [stdout]   27:     0x62b6bb6d9f20 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h3e39d917a8cc5592
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   28:     0x62b6bb6d9f20 - std::panicking::catch_unwind::do_call::hc1ce44ccb31bb18e
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:590:40
[INFO] [stdout]   29:     0x62b6bb6d9f20 - std::panicking::catch_unwind::ha27d9fd2a77bbb18
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:553:19
[INFO] [stdout]   30:     0x62b6bb6d9f20 - std::panic::catch_unwind::h0b0f1918d1e2eb85
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x62b6bb6d9f20 - std::rt::lang_start_internal::{{closure}}::heeac2294083edcfe
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/rt.rs:175:24
[INFO] [stdout]   32:     0x62b6bb6d9f20 - std::panicking::catch_unwind::do_call::h4bb7d51c3842c367
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:590:40
[INFO] [stdout]   33:     0x62b6bb6d9f20 - std::panicking::catch_unwind::h1d2f2878ba2618c4
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:553:19
[INFO] [stdout]   34:     0x62b6bb6d9f20 - std::panic::catch_unwind::h5070bdf026bf1f78
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x62b6bb6d9f20 - std::rt::lang_start_internal::h9590fa5449576090
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/rt.rs:171:5
[INFO] [stdout]   36:     0x62b6bb37c8e1 - std::rt::lang_start::hb5dea8481070e01f
[INFO] [stdout]   37:     0x62b6bb37ced5 - main
[INFO] [stdout]   38:     0x70bc9aad51ca - <unknown>
[INFO] [stdout]   39:     0x70bc9aad528b - __libc_start_main
[INFO] [stdout]   40:     0x62b6bb37c7c5 - _start
[INFO] [stdout]   41:                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 2.09s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "81e072cd19de8a87eb344d2420160d05e8f17a3b58655bb8caa1dad3676296e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81e072cd19de8a87eb344d2420160d05e8f17a3b58655bb8caa1dad3676296e7", kill_on_drop: false }`
[INFO] [stdout] 81e072cd19de8a87eb344d2420160d05e8f17a3b58655bb8caa1dad3676296e7
