[INFO] cloning repository https://github.com/gmadrid/itools
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gmadrid/itools" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgmadrid%2Fitools", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgmadrid%2Fitools'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 578e16d9de30e2637f828e2a422ec58d602f7c8d
[INFO] documenting gmadrid/itools 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%2Fgmadrid%2Fitools" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gmadrid/itools 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/gmadrid/itools
[INFO] finished tweaking git repo https://github.com/gmadrid/itools
[INFO] tweaked toml for git repo https://github.com/gmadrid/itools written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/gmadrid/itools 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded owning_ref v0.3.3
[INFO] [stderr]   Downloaded opaque-debug v0.2.1
[INFO] [stderr]   Downloaded parking_lot v0.6.4
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[INFO] [stderr]   Downloaded num-derive v0.2.3
[INFO] [stderr]   Downloaded rand_core v0.2.2
[INFO] [stderr]   Downloaded rand v0.5.5
[INFO] [stderr]   Downloaded smallvec v0.6.5
[INFO] [stderr]   Downloaded proc-macro2 v0.4.20
[INFO] [stderr]   Downloaded yaml-rust v0.4.2
[INFO] [stderr]   Downloaded bk-tree v0.3.0
[INFO] [stderr]   Downloaded gif v0.10.1
[INFO] [stderr]   Downloaded rayon-core v1.4.1
[INFO] [stderr]   Downloaded deflate v0.7.19
[INFO] [stderr]   Downloaded image v0.19.0
[INFO] [stderr]   Downloaded serde_derive v1.0.80
[INFO] [stderr]   Downloaded regex v1.0.5
[INFO] [stderr]   Downloaded rand_core v0.3.0
[INFO] [stderr]   Downloaded indicatif v0.9.0
[INFO] [stderr]   Downloaded png v0.12.0
[INFO] [stderr]   Downloaded syn v0.15.15
[INFO] [stderr]   Downloaded bit-vec v0.4.4
[INFO] [stderr]   Downloaded serde_yaml v0.8.7
[INFO] [stderr]   Downloaded parking_lot_core v0.3.1
[INFO] [stderr]   Downloaded stable_deref_trait v1.1.1
[INFO] [stderr]   Downloaded walkdir v2.2.5
[INFO] [stderr]   Downloaded termios v0.3.1
[INFO] [stderr]   Downloaded console v0.6.2
[INFO] [stderr]   Downloaded lock_api v0.1.4
[INFO] [stderr]   Downloaded subprocess v0.1.17
[INFO] [stderr]   Downloaded rayon v1.0.2
[INFO] [stderr]   Downloaded adler32 v1.0.3
[INFO] [stderr]   Downloaded color_quant v1.0.1
[INFO] [stderr]   Downloaded clicolors-control v0.2.0
[INFO] [stderr]   Downloaded img_hash v2.1.0
[INFO] [stderr]   Downloaded quote v0.6.8
[INFO] [stderr]   Downloaded inflate v0.4.3
[INFO] [stderr]   Downloaded crossbeam-utils v0.5.0
[INFO] [stderr]   Downloaded block-padding v0.1.2
[INFO] [stderr]   Downloaded same-file v1.0.3
[INFO] [stderr]   Downloaded digest v0.8.0
[INFO] [stderr]   Downloaded linked-hash-map v0.5.1
[INFO] [stderr]   Downloaded generic-array v0.12.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] d0e5d9f230954b1eac146e52af199da2905e8c0c7db5dca9366a9b380aa75cf7
[INFO] running `Command { std: "docker" "start" "-a" "d0e5d9f230954b1eac146e52af199da2905e8c0c7db5dca9366a9b380aa75cf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d0e5d9f230954b1eac146e52af199da2905e8c0c7db5dca9366a9b380aa75cf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0e5d9f230954b1eac146e52af199da2905e8c0c7db5dca9366a9b380aa75cf7", kill_on_drop: false }`
[INFO] [stdout] d0e5d9f230954b1eac146e52af199da2905e8c0c7db5dca9366a9b380aa75cf7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] b00a7c66fd7ae54516cf386fafe85c566108adfe8e2791cc603503e1b71a2cb4
[INFO] running `Command { std: "docker" "start" "-a" "b00a7c66fd7ae54516cf386fafe85c566108adfe8e2791cc603503e1b71a2cb4", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling proc-macro2 v0.4.20
[INFO] [stderr]     Checking nodrop v0.1.12
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking byteorder v1.2.7
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]     Checking rand_core v0.3.0
[INFO] [stderr]     Checking ucd-util v0.1.2
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking arrayvec v0.4.7
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling rayon v1.0.2
[INFO] [stderr]     Checking adler32 v1.0.3
[INFO] [stderr]     Checking rand_core v0.2.2
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking smallvec v0.6.5
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]    Compiling num-derive v0.2.3
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling regex v1.0.5
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking either v1.5.0
[INFO] [stderr]     Checking utf8-ranges v1.0.2
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling memchr v2.1.1
[INFO] [stderr]     Checking lock_api v0.1.4
[INFO] [stderr]     Checking deflate v0.7.19
[INFO] [stderr]     Checking inflate v0.4.3
[INFO] [stderr]     Checking regex-syntax v0.6.2
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking color_quant v1.0.1
[INFO] [stderr]    Compiling serde v1.0.80
[INFO] [stderr]     Checking byte-tools v0.3.0
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking block-padding v0.1.2
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking clicolors-control v0.2.0
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking termios v0.3.1
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking gif v0.10.1
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking linked-hash-map v0.5.1
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]     Checking opaque-debug v0.2.1
[INFO] [stderr]     Checking dtoa v0.4.3
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]     Checking same-file v1.0.3
[INFO] [stderr]     Checking yaml-rust v0.4.2
[INFO] [stderr]     Checking bit-vec v0.4.4
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking walkdir v2.2.5
[INFO] [stderr]     Checking generic-array v0.12.0
[INFO] [stderr]     Checking subprocess v0.1.17
[INFO] [stderr]    Compiling syn v0.15.15
[INFO] [stderr]     Checking bk-tree v0.3.0
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking digest v0.8.0
[INFO] [stderr]     Checking block-buffer v0.7.0
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking sha2 v0.8.0
[INFO] [stderr]     Checking png v0.12.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]     Checking console v0.6.2
[INFO] [stderr]     Checking indicatif v0.9.0
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]     Checking serde_yaml v0.8.7
[INFO] [stderr]     Checking image v0.19.0
[INFO] [stderr]     Checking img_hash v2.1.0
[INFO] [stderr]  Documenting itools v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.28s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]    Generated /opt/rustwide/target/doc/itools/index.html
[INFO] running `Command { std: "docker" "inspect" "b00a7c66fd7ae54516cf386fafe85c566108adfe8e2791cc603503e1b71a2cb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b00a7c66fd7ae54516cf386fafe85c566108adfe8e2791cc603503e1b71a2cb4", kill_on_drop: false }`
[INFO] [stdout] b00a7c66fd7ae54516cf386fafe85c566108adfe8e2791cc603503e1b71a2cb4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 1873e8292cc02bf76a4925d7114d0a06d9f4f2fe8a93ed8c14c4a72418e8bfcb
[INFO] running `Command { std: "docker" "start" "-a" "1873e8292cc02bf76a4925d7114d0a06d9f4f2fe8a93ed8c14c4a72418e8bfcb", kill_on_drop: false }`
[INFO] [stderr]  Documenting itools v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]    Generated /opt/rustwide/target/doc/itools/index.html
[INFO] running `Command { std: "docker" "inspect" "1873e8292cc02bf76a4925d7114d0a06d9f4f2fe8a93ed8c14c4a72418e8bfcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1873e8292cc02bf76a4925d7114d0a06d9f4f2fe8a93ed8c14c4a72418e8bfcb", kill_on_drop: false }`
[INFO] [stdout] 1873e8292cc02bf76a4925d7114d0a06d9f4f2fe8a93ed8c14c4a72418e8bfcb