[INFO] fetching crate mercurius 0.5.0...
[INFO] testing mercurius-0.5.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate mercurius 0.5.0 into /workspace/builds/worker-100/source
[INFO] validating manifest of crates.io crate mercurius 0.5.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mercurius 0.5.0
[INFO] finished tweaking crates.io crate mercurius 0.5.0
[INFO] tweaked toml for crates.io crate mercurius 0.5.0 written to /workspace/builds/worker-100/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded derive-new v0.5.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 23fc86848f683b9ef2f614eccb938d2df7639459dd1bc0956f265bce374193b7
[INFO] running `Command { std: "docker" "start" "-a" "23fc86848f683b9ef2f614eccb938d2df7639459dd1bc0956f265bce374193b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "23fc86848f683b9ef2f614eccb938d2df7639459dd1bc0956f265bce374193b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23fc86848f683b9ef2f614eccb938d2df7639459dd1bc0956f265bce374193b7", kill_on_drop: false }`
[INFO] [stdout] 23fc86848f683b9ef2f614eccb938d2df7639459dd1bc0956f265bce374193b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3b1274aefd5a588a8446cf3116de20ae780593afc6e1b34e6335148895ec0500
[INFO] running `Command { std: "docker" "start" "-a" "3b1274aefd5a588a8446cf3116de20ae780593afc6e1b34e6335148895ec0500", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling linked-hash-map v0.5.4
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling dtoa v0.4.8
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]    Compiling derive-new v0.5.9
[INFO] [stderr]    Compiling thiserror v1.0.29
[INFO] [stderr]    Compiling serde_yaml v0.8.21
[INFO] [stderr]    Compiling mercurius v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.30s
[INFO] running `Command { std: "docker" "inspect" "3b1274aefd5a588a8446cf3116de20ae780593afc6e1b34e6335148895ec0500", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b1274aefd5a588a8446cf3116de20ae780593afc6e1b34e6335148895ec0500", kill_on_drop: false }`
[INFO] [stdout] 3b1274aefd5a588a8446cf3116de20ae780593afc6e1b34e6335148895ec0500
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 68fd369af23173a7b16edb46a365413a7e4ced50541aefba78487cd0f869f350
[INFO] running `Command { std: "docker" "start" "-a" "68fd369af23173a7b16edb46a365413a7e4ced50541aefba78487cd0f869f350", kill_on_drop: false }`
[INFO] [stderr]    Compiling mercurius v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.80s
[INFO] running `Command { std: "docker" "inspect" "68fd369af23173a7b16edb46a365413a7e4ced50541aefba78487cd0f869f350", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68fd369af23173a7b16edb46a365413a7e4ced50541aefba78487cd0f869f350", kill_on_drop: false }`
[INFO] [stdout] 68fd369af23173a7b16edb46a365413a7e4ced50541aefba78487cd0f869f350
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 43feec7588a3df1273e270bed70a06098f4cdd43e333b03c5c897daf09e54786
[INFO] running `Command { std: "docker" "start" "-a" "43feec7588a3df1273e270bed70a06098f4cdd43e333b03c5c897daf09e54786", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mercurius-4eef5909f66f9bce)
[INFO] [stdout] 
[INFO] [stdout] running 49 tests
[INFO] [stdout] test ext::after::test::lazy ... ok
[INFO] [stdout] test ext::after::test::never_match ... ok
[INFO] [stdout] test ext::after::test::only_once ... ok
[INFO] [stdout] test ext::before::test::empty_pseudo ... ok
[INFO] [stdout] test ext::before::test::never_match ... ok
[INFO] [stdout] test ext::before::test::only_once ... ok
[INFO] [stdout] test ext::tail::test::normal ... ok
[INFO] [stdout] test frontmatter::readable::test::date_sub ... ok
[INFO] [stdout] test parse::linklabel::test::whitespace_normalization ... ok
[INFO] [stdout] test ext::before::test::lazy ... ok
[INFO] [stdout] test ext::head::test::normal ... ok
[INFO] [stdout] test ext::link::test::iter ... ok
[INFO] [stdout] test parse::parse::test::issue_283 ... ok
[INFO] [stdout] test parse::parse::test::another_emphasis_panic ... ok
[INFO] [stdout] test ext::iterwith::test::normal ... ok
[INFO] [stdout] test parse::parse::test::code_block_kind_check_indented ... ok
[INFO] [stdout] test parse::parse::test::code_block_kind_check_fenced ... ok
[INFO] [stdout] test frontmatter::field::test::deserialize ... ok
[INFO] [stdout] test parse::parse::test::issue_305 ... ok
[INFO] [stdout] test ext::after::test::empty_pseudo ... ok
[INFO] [stdout] test parse::parse::test::issue_311 ... ok
[INFO] [stdout] test parse::parse::test::body_size ... ok
[INFO] [stdout] test parse::linklabel::test::return_carriage_linefeed_ok ... ok
[INFO] [stdout] test parse::parse::test::issue_303 ... ok
[INFO] [stdout] test parse::parse::test::issue_306 ... ok
[INFO] [stdout] test parse::parse::test::issue_289 ... ok
[INFO] [stdout] test ext::within::test::normal ... ok
[INFO] [stdout] test parse::parse::test::issue_313 ... ok
[INFO] [stdout] test parse::parse::test::issue_320 ... ok
[INFO] [stdout] test parse::parse::test::lone_hashtag ... ok
[INFO] [stdout] test parse::parse::test::offset_iter ... ok
[INFO] [stdout] test parse::parse::test::offset_iter_issue_404 ... ok
[INFO] [stdout] test parse::puncttable::tests::test_unicode ... ok
[INFO] [stdout] test parse::scanners::test::overflow_by_addition ... ok
[INFO] [stdout] test parse::scanners::test::overflow_list ... ok
[INFO] [stdout] test parse::strings::test_special_string::cowstr_char_to_string ... ok
[INFO] [stdout] test parse::parse::test::offset_iter_issue_378 ... ok
[INFO] [stdout] test parse::puncttable::tests::test_ascii ... ok
[INFO] [stdout] test parse::strings::test_special_string::inlinestr_fits_twentytwo ... ok
[INFO] [stdout] test parse::strings::test_special_string::inlinestr_not_fits_twentythree ... ok
[INFO] [stdout] test parse::parse::test::issue_319 ... ok
[INFO] [stdout] test parse::strings::test_special_string::inlinestr_ascii ... ok
[INFO] [stdout] test parse::strings::test_special_string::max_inline_str_len_atleast_five ... ok
[INFO] [stdout] test parse::parse::test::node_size ... ok
[INFO] [stdout] test parse::strings::test_special_string::cowstr_size ... ok
[INFO] [stdout] test parse::parse::test::lots_of_backslashes ... ok
[INFO] [stdout] test parse::strings::test_special_string::inlinestr_unicode ... ok
[INFO] [stdout] test parse::parse::test::single_open_fish_bracket ... ok
[INFO] [stdout] test parse::strings::test_special_string::small_boxed_str_clones_to_stack ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 49 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/lib.rs (/opt/rustwide/target/debug/deps/lib-86614426e8ddda54)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test inspect ... ok
[INFO] [stdout] test link ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mercurius
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test src/ext/mod.rs - ext::MarkdownExt::inspect_frontmatter (line 46) ... ok
[INFO] [stdout] test src/ext/mod.rs - ext::MarkdownExt::within (line 256) ... ok
[INFO] [stdout] test src/ext/mod.rs - ext::MarkdownExt::head (line 208) ... ok
[INFO] [stdout] test src/ext/mod.rs - ext::MarkdownExt::before (line 104) ... ok
[INFO] [stdout] test src/ext/mod.rs - ext::MarkdownExt::link (line 144) ... ok
[INFO] [stdout] test src/ext/mod.rs - ext::MarkdownExt::tail (line 232) ... ok
[INFO] [stdout] test src/ext/mod.rs - ext::MarkdownExt::after (line 70) ... ok
[INFO] [stdout] test src/parse/mod.rs - parse (line 30) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.06s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "43feec7588a3df1273e270bed70a06098f4cdd43e333b03c5c897daf09e54786", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43feec7588a3df1273e270bed70a06098f4cdd43e333b03c5c897daf09e54786", kill_on_drop: false }`
[INFO] [stdout] 43feec7588a3df1273e270bed70a06098f4cdd43e333b03c5c897daf09e54786