[INFO] cloning repository https://github.com/afandian/folktunefinder-abc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/afandian/folktunefinder-abc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fafandian%2Ffolktunefinder-abc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fafandian%2Ffolktunefinder-abc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] edf2a0fa212e35e940d2d4d91ae6b66fbeec182b
[INFO] documenting afandian/folktunefinder-abc against 1.75.0 for beta-1.76-rustdoc-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fafandian%2Ffolktunefinder-abc" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/afandian/folktunefinder-abc on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/afandian/folktunefinder-abc
[INFO] finished tweaking git repo https://github.com/afandian/folktunefinder-abc
[INFO] tweaked toml for git repo https://github.com/afandian/folktunefinder-abc written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/afandian/folktunefinder-abc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded matches v0.1.6
[INFO] [stderr]   Downloaded pest_generator v2.0.0
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[INFO] [stderr]   Downloaded syn v0.15.22
[INFO] [stderr]   Downloaded serde_derive v1.0.80
[INFO] [stderr]   Downloaded ryu v0.2.7
[INFO] [stderr]   Downloaded pest v2.0.2
[INFO] [stderr]   Downloaded tiny_http v0.5.9
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[INFO] [stderr]   Downloaded pest_meta v2.0.3
[INFO] [stderr]   Downloaded pest_derive v2.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bf07686f1d0a2af4b4715eee53e53bc89881c4c93511008fec2eb63856fdb43e
[INFO] running `Command { std: "docker" "start" "-a" "bf07686f1d0a2af4b4715eee53e53bc89881c4c93511008fec2eb63856fdb43e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bf07686f1d0a2af4b4715eee53e53bc89881c4c93511008fec2eb63856fdb43e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf07686f1d0a2af4b4715eee53e53bc89881c4c93511008fec2eb63856fdb43e", kill_on_drop: false }`
[INFO] [stdout] bf07686f1d0a2af4b4715eee53e53bc89881c4c93511008fec2eb63856fdb43e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 74d4f371582be52a102376e4f0c3d764b4d49f0e1dcbe5dfdcecedab692773e6
[INFO] running `Command { std: "docker" "start" "-a" "74d4f371582be52a102376e4f0c3d764b4d49f0e1dcbe5dfdcecedab692773e6", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.36
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]     Checking matches v0.1.6
[INFO] [stderr]    Compiling ucd-trie v0.1.1
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]     Checking lazy_static v1.0.0
[INFO] [stderr]    Compiling serde v1.0.80
[INFO] [stderr]    Compiling memchr v2.1.2
[INFO] [stderr]    Compiling pest v2.0.2
[INFO] [stderr]    Compiling maplit v1.0.1
[INFO] [stderr]     Checking num-traits v0.1.42
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking log v0.4.1
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]     Checking ucd-util v0.1.3
[INFO] [stderr]     Checking utf8-ranges v1.0.2
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]     Checking regex-syntax v0.6.4
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling pest_meta v2.0.3
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]     Checking time v0.1.39
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking uuid v0.1.18
[INFO] [stderr]     Checking encoding-index-korean v1.20141219.5
[INFO] [stderr]     Checking encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]     Checking encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-japanese v1.20141219.5
[INFO] [stderr]     Checking num-iter v0.1.34
[INFO] [stderr]     Checking encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]     Checking num v0.1.41
[INFO] [stderr]     Checking same-file v1.0.4
[INFO] [stderr]     Checking itoa v0.4.3
[INFO] [stderr]     Checking unicode-normalization v0.1.7
[INFO] [stderr]     Checking walkdir v2.2.7
[INFO] [stderr]     Checking encoding v0.2.33
[INFO] [stderr]     Checking chrono v0.2.25
[INFO] [stderr]     Checking url v0.2.38
[INFO] [stderr]    Compiling pest_generator v2.0.0
[INFO] [stderr]    Compiling syn v0.15.22
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking ascii v0.7.1
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking regex-syntax v0.4.2
[INFO] [stderr]     Checking chunked_transfer v0.3.1
[INFO] [stderr]     Checking rand_core v0.2.1
[INFO] [stderr]     Checking tiny_http v0.5.9
[INFO] [stderr]     Checking glob v0.2.11
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking unidecode v0.3.0
[INFO] [stderr]    Compiling pest_derive v2.0.1
[INFO] [stderr]     Checking regex v0.2.5
[INFO] [stderr]     Checking serde_json v1.0.33
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]     Checking handlebars v1.1.0
[INFO] [stderr]  Documenting folktunefinder-abc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.27s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24, syn v0.14.9
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] [stderr]    Generated /opt/rustwide/target/doc/folktunefinder_abc/index.html
[INFO] running `Command { std: "docker" "inspect" "74d4f371582be52a102376e4f0c3d764b4d49f0e1dcbe5dfdcecedab692773e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74d4f371582be52a102376e4f0c3d764b4d49f0e1dcbe5dfdcecedab692773e6", kill_on_drop: false }`
[INFO] [stdout] 74d4f371582be52a102376e4f0c3d764b4d49f0e1dcbe5dfdcecedab692773e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=1" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "rustdoc" "--lib" "-Zrustdoc-map" "-Z" "unstable-options" "--config" "build.rustdocflags=[\"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 147a91d00cf08ae6172af3d09920f75c9dd769260ed53a455f1a8a48eec2c6cc
[INFO] running `Command { std: "docker" "start" "-a" "147a91d00cf08ae6172af3d09920f75c9dd769260ed53a455f1a8a48eec2c6cc", kill_on_drop: false }`
[INFO] [stderr]  Documenting folktunefinder-abc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.56s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24, syn v0.14.9
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] [stderr]    Generated /opt/rustwide/target/doc/folktunefinder_abc/index.html
[INFO] running `Command { std: "docker" "inspect" "147a91d00cf08ae6172af3d09920f75c9dd769260ed53a455f1a8a48eec2c6cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "147a91d00cf08ae6172af3d09920f75c9dd769260ed53a455f1a8a48eec2c6cc", kill_on_drop: false }`
[INFO] [stdout] 147a91d00cf08ae6172af3d09920f75c9dd769260ed53a455f1a8a48eec2c6cc
