[INFO] cloning repository https://github.com/tcr/checkMark
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tcr/checkMark" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftcr%2FcheckMark", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftcr%2FcheckMark'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 21d65d6bda58abe6614aa49dc59590fdb935c5d8
[INFO] documenting tcr/checkMark against 1.54.0 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftcr%2FcheckMark" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tcr/checkMark on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-7/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/tcr/checkMark
[INFO] finished tweaking git repo https://github.com/tcr/checkMark
[INFO] tweaked toml for git repo https://github.com/tcr/checkMark written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/tcr/checkMark already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e96db2585f4d58cee1c0b217d22db8f0abeee75a3420bef27b65458af50ac3c0
[INFO] running `Command { std: "docker" "start" "-a" "e96db2585f4d58cee1c0b217d22db8f0abeee75a3420bef27b65458af50ac3c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e96db2585f4d58cee1c0b217d22db8f0abeee75a3420bef27b65458af50ac3c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e96db2585f4d58cee1c0b217d22db8f0abeee75a3420bef27b65458af50ac3c0", kill_on_drop: false }`
[INFO] [stdout] e96db2585f4d58cee1c0b217d22db8f0abeee75a3420bef27b65458af50ac3c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2510ae9af8a3d55fd214d2a396b0a7de03b0c09796d8ab1e9d5a93820bdcba03
[INFO] running `Command { std: "docker" "start" "-a" "2510ae9af8a3d55fd214d2a396b0a7de03b0c09796d8ab1e9d5a93820bdcba03", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]    Compiling cc v1.0.41
[INFO] [stderr]    Compiling byteorder v1.3.2
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[INFO] [stderr]     Checking smallvec v0.6.10
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[INFO] [stderr]    Compiling arrayvec v0.4.11
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[INFO] [stderr]    Compiling serde v1.0.99
[INFO] [stderr]    Compiling getrandom v0.1.11
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[INFO] [stderr]     Checking rand_chacha v0.2.1
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[INFO] [stderr]    Compiling quote v1.0.2
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[INFO] [stderr]     Checking phf v0.7.24
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]    Compiling openssl-sys v0.9.49
[INFO] [stderr]    Compiling servo-freetype-sys v4.0.5
[INFO] [stderr]    Compiling harfbuzz-sys v0.3.2
[INFO] [stderr]    Compiling bzip2-sys v0.1.7
[INFO] [stderr]     Checking rand v0.7.0
[INFO] [stderr]    Compiling regex v1.2.1
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[INFO] [stderr]     Checking png v0.15.0
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[INFO] [stderr]     Checking tokio-io v0.1.12
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[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]     Checking string v0.2.1
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[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking cookie v0.12.0
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking freetype v0.4.1
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking rayon v1.2.0
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]     Checking backtrace v0.3.35
[INFO] [stderr]     Checking bzip2 v0.3.3
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking tokio-threadpool v0.1.15
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]    Compiling mime_guess v1.8.7
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking chrono v0.4.8
[INFO] [stderr]     Checking lines-are-rusty v0.1.0 (/opt/rustwide/workdir/lines-are-rusty)
[INFO] [stderr]     Checking zip v0.5.3
[INFO] [stderr]     Checking harfbuzz_rs v1.0.0
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stdout] warning: unused variable: `num_pages`
[INFO] [stdout]    --> lines-are-rusty/src/parse.rs:145:9
[INFO] [stdout]     |
[INFO] [stdout] 145 |     let num_pages = 1;
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_pages`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking tokio-fs v0.1.6
[INFO] [stderr]     Checking publicsuffix v1.5.3
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]     Checking http-body v0.1.0
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[INFO] [stderr]     Checking tungstenite v0.9.1
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[INFO] [stderr]     Checking tokio-udp v0.1.5
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[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]     Checking multipart v0.16.1
[INFO] [stderr]     Checking resvg v0.8.0
[INFO] [stderr]    Compiling juniper_codegen v0.13.2
[INFO] [stderr]    Compiling serde_derive v1.0.99
[INFO] [stderr]    Compiling headers-derive v0.1.1
[INFO] [stderr]     Checking headers v0.2.1
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking commandspec v0.12.2
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[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
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[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking juniper v0.13.1
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]     Checking warp v0.1.19
[INFO] [stderr]     Checking reqwest v0.9.20
[INFO] [stderr]     Checking juniper_warp v0.4.1
[INFO] [stderr]  Documenting checkmark v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 48.83s
[INFO] running `Command { std: "docker" "inspect" "2510ae9af8a3d55fd214d2a396b0a7de03b0c09796d8ab1e9d5a93820bdcba03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2510ae9af8a3d55fd214d2a396b0a7de03b0c09796d8ab1e9d5a93820bdcba03", kill_on_drop: false }`
[INFO] [stdout] 2510ae9af8a3d55fd214d2a396b0a7de03b0c09796d8ab1e9d5a93820bdcba03
