[INFO] fetching crate html-minifier 3.0.7...
[INFO] testing html-minifier-3.0.7 against 1.45.2 for beta-1.46-1
[INFO] extracting crate html-minifier 3.0.7 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate html-minifier 3.0.7 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 html-minifier 3.0.7
[INFO] finished tweaking crates.io crate html-minifier 3.0.7
[INFO] tweaked toml for crates.io crate html-minifier 3.0.7 written to /workspace/builds/worker-8/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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2a0a9bdab75233848475dbf927be4f8c2079bcf1cdbfb9d43850f220fba0bc5e
[INFO] running `Command { std: "docker" "start" "-a" "2a0a9bdab75233848475dbf927be4f8c2079bcf1cdbfb9d43850f220fba0bc5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2a0a9bdab75233848475dbf927be4f8c2079bcf1cdbfb9d43850f220fba0bc5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a0a9bdab75233848475dbf927be4f8c2079bcf1cdbfb9d43850f220fba0bc5e", kill_on_drop: false }`
[INFO] [stdout] 2a0a9bdab75233848475dbf927be4f8c2079bcf1cdbfb9d43850f220fba0bc5e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 7b313191249d92cb56ab2a4277866fe965d8023d15a2b021976e7c9b06ecb5bf
[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" "7b313191249d92cb56ab2a4277866fe965d8023d15a2b021976e7c9b06ecb5bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling macro-utils v0.1.3
[INFO] [stderr]    Compiling utf8-width v0.1.4
[INFO] [stderr]    Compiling cow-utils v0.1.2
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-bigint v0.3.0
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling html-escape v0.2.6
[INFO] [stderr]    Compiling minifier v0.0.36
[INFO] [stderr]    Compiling enum-ordinalize v3.1.8
[INFO] [stderr]    Compiling educe v0.4.13
[INFO] [stderr]    Compiling html-minifier v3.0.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.95s
[INFO] running `Command { std: "docker" "inspect" "7b313191249d92cb56ab2a4277866fe965d8023d15a2b021976e7c9b06ecb5bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b313191249d92cb56ab2a4277866fe965d8023d15a2b021976e7c9b06ecb5bf", kill_on_drop: false }`
[INFO] [stdout] 7b313191249d92cb56ab2a4277866fe965d8023d15a2b021976e7c9b06ecb5bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stdout] 2f45722b32884254365cd46b2645f792f6219bf0192ab98d33d8e81e451d6471
[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" "2f45722b32884254365cd46b2645f792f6219bf0192ab98d33d8e81e451d6471", kill_on_drop: false }`
[INFO] [stderr]    Compiling html-minifier v3.0.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "2f45722b32884254365cd46b2645f792f6219bf0192ab98d33d8e81e451d6471", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f45722b32884254365cd46b2645f792f6219bf0192ab98d33d8e81e451d6471", kill_on_drop: false }`
[INFO] [stdout] 2f45722b32884254365cd46b2645f792f6219bf0192ab98d33d8e81e451d6471
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stdout] c89bfca79cef5346fbe503c59ceec6cd3402284c9836ec75d9ebc865068270e3
[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" "c89bfca79cef5346fbe503c59ceec6cd3402284c9836ec75d9ebc865068270e3", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/html_minifier-460c6b3ebfbe0e04
[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] [stderr]    Doc-tests html-minifier
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs -  (line 72) ... ok
[INFO] [stdout] test src/lib.rs -  (line 28) ... ok
[INFO] [stdout] test src/lib.rs -  (line 84) ... ok
[INFO] [stdout] test src/lib.rs -  (line 100) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs -  (line 100) stdout ----
[INFO] [stdout] Test executable failed (exit code 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 2, kind: NotFound, message: "No such file or directory" }', src/lib.rs:11:22
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55e5783d8975 - backtrace::backtrace::libunwind::trace::ha215bbf14e328799
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stdout]    1:     0x55e5783d8975 - backtrace::backtrace::trace_unsynchronized::h3384b099b135857a
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stdout]    2:     0x55e5783d8975 - std::sys_common::backtrace::_print_fmt::hfec93740f7294682
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stdout]    3:     0x55e5783d8975 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h5fe20777f4174074
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stdout]    4:     0x55e5783f718c - core::fmt::write::he14c3177144df275
[INFO] [stdout]                                at src/libcore/fmt/mod.rs:1076
[INFO] [stdout]    5:     0x55e5783d7113 - std::io::Write::write_fmt::h8e26323bfab8bcc5
[INFO] [stdout]                                at src/libstd/io/mod.rs:1537
[INFO] [stdout]    6:     0x55e5783dae80 - std::sys_common::backtrace::_print::h9cfa4c87526ba064
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stdout]    7:     0x55e5783dae80 - std::sys_common::backtrace::print::h94936584848b3272
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stdout]    8:     0x55e5783dae80 - std::panicking::default_hook::{{closure}}::h733b20cc9b496e46
[INFO] [stdout]                                at src/libstd/panicking.rs:198
[INFO] [stdout]    9:     0x55e5783dabcc - std::panicking::default_hook::h556d8cff6c12a651
[INFO] [stdout]                                at src/libstd/panicking.rs:218
[INFO] [stdout]   10:     0x55e5783db467 - std::panicking::rust_panic_with_hook::ha0c7ca5b39baa9d5
[INFO] [stdout]                                at src/libstd/panicking.rs:486
[INFO] [stdout]   11:     0x55e5783db06b - rust_begin_unwind
[INFO] [stdout]                                at src/libstd/panicking.rs:388
[INFO] [stdout]   12:     0x55e5783f6591 - core::panicking::panic_fmt::h106d7128cbbc7cd2
[INFO] [stdout]                                at src/libcore/panicking.rs:101
[INFO] [stdout]   13:     0x55e5783f63b3 - core::option::expect_none_failed::hfcafefc70a7975bb
[INFO] [stdout]                                at src/libcore/option.rs:1272
[INFO] [stdout]   14:     0x55e5783aba0b - core::result::Result<T,E>::unwrap::hb75a251449a02f57
[INFO] [stdout]   15:     0x55e5783af1c5 - rust_out::main::hce5147e828914a17
[INFO] [stdout]   16:     0x55e5783a9563 - std::rt::lang_start::{{closure}}::hce2334a302f4a64d
[INFO] [stdout]   17:     0x55e5783db838 - std::rt::lang_start_internal::{{closure}}::hefb489d56a389b75
[INFO] [stdout]                                at src/libstd/rt.rs:52
[INFO] [stdout]   18:     0x55e5783db838 - std::panicking::try::do_call::hb2bfa58b743656f1
[INFO] [stdout]                                at src/libstd/panicking.rs:297
[INFO] [stdout]   19:     0x55e5783db838 - std::panicking::try::haaa85a89ce3784c3
[INFO] [stdout]                                at src/libstd/panicking.rs:274
[INFO] [stdout]   20:     0x55e5783db838 - std::panic::catch_unwind::h49baa277f74e60cb
[INFO] [stdout]                                at src/libstd/panic.rs:394
[INFO] [stdout]   21:     0x55e5783db838 - std::rt::lang_start_internal::h7aa2f6739b31fe58
[INFO] [stdout]                                at src/libstd/rt.rs:51
[INFO] [stdout]   22:     0x55e5783a9548 - std::rt::lang_start::h67316abdc649cab9
[INFO] [stdout]   23:     0x55e5783af41b - main
[INFO] [stdout]   24:     0x7f235ddd50b3 - __libc_start_main
[INFO] [stdout]   25:     0x55e57839d17e - _start
[INFO] [stdout]   26:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs -  (line 100)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 3 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" "c89bfca79cef5346fbe503c59ceec6cd3402284c9836ec75d9ebc865068270e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c89bfca79cef5346fbe503c59ceec6cd3402284c9836ec75d9ebc865068270e3", kill_on_drop: false }`
[INFO] [stdout] c89bfca79cef5346fbe503c59ceec6cd3402284c9836ec75d9ebc865068270e3