[INFO] fetching crate html-minifier 3.0.7...
[INFO] testing html-minifier-3.0.7 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate html-minifier 3.0.7 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate html-minifier 3.0.7 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "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-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 580c3605ee61b6aa8ab8994a81ba5b9d841096ad0bd77a6a415cbfa70dd28e71
[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" "580c3605ee61b6aa8ab8994a81ba5b9d841096ad0bd77a6a415cbfa70dd28e71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "580c3605ee61b6aa8ab8994a81ba5b9d841096ad0bd77a6a415cbfa70dd28e71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "580c3605ee61b6aa8ab8994a81ba5b9d841096ad0bd77a6a415cbfa70dd28e71", kill_on_drop: false }`
[INFO] [stdout] 580c3605ee61b6aa8ab8994a81ba5b9d841096ad0bd77a6a415cbfa70dd28e71
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3b3c8608c4397c106c1fd1c87bff3b4bd7687b78f73546929043439c38aee4a6
[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" "3b3c8608c4397c106c1fd1c87bff3b4bd7687b78f73546929043439c38aee4a6", kill_on_drop: false }`
[INFO] [stderr]    Compiling utf8-width v0.1.4
[INFO] [stderr]    Compiling macro-utils v0.1.3
[INFO] [stderr]    Compiling cow-utils v0.1.2
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-bigint v0.3.0
[INFO] [stderr]    Compiling minifier v0.0.36
[INFO] [stderr]    Compiling html-escape v0.2.6
[INFO] [stderr]    Compiling num-integer v0.1.43
[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 20.82s
[INFO] running `Command { std: "docker" "inspect" "3b3c8608c4397c106c1fd1c87bff3b4bd7687b78f73546929043439c38aee4a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b3c8608c4397c106c1fd1c87bff3b4bd7687b78f73546929043439c38aee4a6", kill_on_drop: false }`
[INFO] [stdout] 3b3c8608c4397c106c1fd1c87bff3b4bd7687b78f73546929043439c38aee4a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 863e50a1bcf7bd73e0075fc21a3d86db28ed17ea0cd0b5b4fe9d9758b35a206f
[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" "863e50a1bcf7bd73e0075fc21a3d86db28ed17ea0cd0b5b4fe9d9758b35a206f", kill_on_drop: false }`
[INFO] [stderr]    Compiling html-minifier v3.0.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "863e50a1bcf7bd73e0075fc21a3d86db28ed17ea0cd0b5b4fe9d9758b35a206f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "863e50a1bcf7bd73e0075fc21a3d86db28ed17ea0cd0b5b4fe9d9758b35a206f", kill_on_drop: false }`
[INFO] [stdout] 863e50a1bcf7bd73e0075fc21a3d86db28ed17ea0cd0b5b4fe9d9758b35a206f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cdbfb4ba5be448de41bee53c734f18ac72be3a82c2211caae78e01517b9baea2
[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" "cdbfb4ba5be448de41bee53c734f18ac72be3a82c2211caae78e01517b9baea2", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/html_minifier-0551421df793de6e
[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 100) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 28) ... ok
[INFO] [stdout] test src/lib.rs - (line 84) ... ok
[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:11:92
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55f156ec58d5 - backtrace::backtrace::libunwind::trace::h5e2646fa3eddf2ea
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stdout]    1:     0x55f156ec58d5 - backtrace::backtrace::trace_unsynchronized::hb95dd7f77ce47877
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stdout]    2:     0x55f156ec58d5 - std::sys_common::backtrace::_print_fmt::h5e71b67af43fd70d
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stdout]    3:     0x55f156ec58d5 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hdb4a83d2b61107e5
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stdout]    4:     0x55f156ee3f6c - core::fmt::write::ha20e7262fa3e8a7a
[INFO] [stdout]                                at src/libcore/fmt/mod.rs:1076
[INFO] [stdout]    5:     0x55f156ec3f92 - std::io::Write::write_fmt::h1aebfe8a5a79e36d
[INFO] [stdout]                                at src/libstd/io/mod.rs:1537
[INFO] [stdout]    6:     0x55f156ec7d10 - std::sys_common::backtrace::_print::h9c07314cc66ba539
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stdout]    7:     0x55f156ec7d10 - std::sys_common::backtrace::print::hd1fd65f49a2d8544
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stdout]    8:     0x55f156ec7d10 - std::panicking::default_hook::{{closure}}::h222da46485ab36fc
[INFO] [stdout]                                at src/libstd/panicking.rs:198
[INFO] [stdout]    9:     0x55f156ec7a5c - std::panicking::default_hook::hc5868949d129ed00
[INFO] [stdout]                                at src/libstd/panicking.rs:217
[INFO] [stdout]   10:     0x55f156ec8353 - std::panicking::rust_panic_with_hook::h26a6ab8b0993c0c8
[INFO] [stdout]                                at src/libstd/panicking.rs:526
[INFO] [stdout]   11:     0x55f156ec7f4b - rust_begin_unwind
[INFO] [stdout]                                at src/libstd/panicking.rs:437
[INFO] [stdout]   12:     0x55f156ee3371 - core::panicking::panic_fmt::h17139c2000299725
[INFO] [stdout]                                at src/libcore/panicking.rs:85
[INFO] [stdout]   13:     0x55f156ee3193 - core::option::expect_none_failed::h972f96abb4ec8952
[INFO] [stdout]                                at src/libcore/option.rs:1269
[INFO] [stdout]   14:     0x55f156e9968b - core::result::Result<T,E>::unwrap::hd0a36c8c8b914130
[INFO] [stdout]   15:     0x55f156e9cd95 - rust_out::main::h405f65324f7b53be
[INFO] [stdout]   16:     0x55f156e97243 - std::rt::lang_start::{{closure}}::ha8395b9615e12984
[INFO] [stdout]   17:     0x55f156ec8723 - std::rt::lang_start_internal::{{closure}}::h84a998219831fa70
[INFO] [stdout]                                at src/libstd/rt.rs:52
[INFO] [stdout]   18:     0x55f156ec8723 - std::panicking::try::do_call::he8e1d689a3e26def
[INFO] [stdout]                                at src/libstd/panicking.rs:348
[INFO] [stdout]   19:     0x55f156ec8723 - std::panicking::try::h264b6eebc2fa7bbf
[INFO] [stdout]                                at src/libstd/panicking.rs:325
[INFO] [stdout]   20:     0x55f156ec8723 - std::panic::catch_unwind::hbf28fafa723b2128
[INFO] [stdout]                                at src/libstd/panic.rs:394
[INFO] [stdout]   21:     0x55f156ec8723 - std::rt::lang_start_internal::he959aa59bc3ec202
[INFO] [stdout]                                at src/libstd/rt.rs:51
[INFO] [stdout]   22:     0x55f156e97228 - std::rt::lang_start::hf91fc87199e1c84e
[INFO] [stdout]   23:     0x55f156e9cfeb - main
[INFO] [stdout]   24:     0x7fe177afc0b3 - __libc_start_main
[INFO] [stdout]   25:     0x55f156e8b17e - _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" "cdbfb4ba5be448de41bee53c734f18ac72be3a82c2211caae78e01517b9baea2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdbfb4ba5be448de41bee53c734f18ac72be3a82c2211caae78e01517b9baea2", kill_on_drop: false }`
[INFO] [stdout] cdbfb4ba5be448de41bee53c734f18ac72be3a82c2211caae78e01517b9baea2