[INFO] cloning repository https://github.com/queuedq/exact-cover-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/queuedq/exact-cover-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqueuedq%2Fexact-cover-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqueuedq%2Fexact-cover-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 44bfc3e27da828d899b5e542b71aa5ffbeb4f1ee
[INFO] documenting queuedq/exact-cover-rs against 1.95.0 for beta-1.96-rustdoc-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqueuedq%2Fexact-cover-rs" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/queuedq/exact-cover-rs
[INFO] finished tweaking git repo https://github.com/queuedq/exact-cover-rs
[INFO] tweaked toml for git repo https://github.com/queuedq/exact-cover-rs written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/queuedq/exact-cover-rs on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/queuedq/exact-cover-rs 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pin-project-lite v0.2.7
[INFO] [stderr]   Downloaded futures-task v0.3.18
[INFO] [stderr]   Downloaded futures-macro v0.3.18
[INFO] [stderr]   Downloaded autocfg v1.0.1
[INFO] [stderr]   Downloaded slab v0.4.5
[INFO] [stderr]   Downloaded futures v0.3.18
[INFO] [stderr]   Downloaded futures-io v0.3.18
[INFO] [stderr]   Downloaded unicode-xid v0.2.2
[INFO] [stderr]   Downloaded futures-core v0.3.18
[INFO] [stderr]   Downloaded futures-executor v0.3.18
[INFO] [stderr]   Downloaded futures-channel v0.3.18
[INFO] [stderr]   Downloaded quote v1.0.10
[INFO] [stderr]   Downloaded indexmap v1.7.0
[INFO] [stderr]   Downloaded futures-util v0.3.18
[INFO] [stderr]   Downloaded futures-sink v0.3.18
[INFO] [stderr]   Downloaded syn v1.0.82
[INFO] [stderr]   Downloaded proc-macro2 v1.0.32
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 95a576db4fe36d77ca0b1006d79478de7938b911d64f5551546e9f75865bb102
[INFO] running `Command { std: "docker" "start" "-a" "95a576db4fe36d77ca0b1006d79478de7938b911d64f5551546e9f75865bb102", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "95a576db4fe36d77ca0b1006d79478de7938b911d64f5551546e9f75865bb102", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95a576db4fe36d77ca0b1006d79478de7938b911d64f5551546e9f75865bb102", kill_on_drop: false }`
[INFO] [stdout] 95a576db4fe36d77ca0b1006d79478de7938b911d64f5551546e9f75865bb102
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6df488355083283f2ff2708158878ac35a03312619182b639e30588ec0e13995
[INFO] running `Command { std: "docker" "start" "-a" "6df488355083283f2ff2708158878ac35a03312619182b639e30588ec0e13995", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling futures-core v0.3.18
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling futures-task v0.3.18
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling futures-channel v0.3.18
[INFO] [stderr]     Checking futures-sink v0.3.18
[INFO] [stderr]    Compiling futures-util v0.3.18
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking futures-io v0.3.18
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]     Checking slab v0.4.5
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling futures-macro v0.3.18
[INFO] [stderr]     Checking futures-executor v0.3.18
[INFO] [stderr]     Checking futures v0.3.18
[INFO] [stderr]  Documenting exact-cover v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `iterative_solve`
[INFO] [stdout]    --> src/dlx/dlx.rs:103:58
[INFO] [stdout]     |
[INFO] [stdout] 103 |     /// It functions as a reference implementation for [`iterative_solve`].
[INFO] [stdout]     |                                                          ^^^^^^^^^^^^^^^ no item named `iterative_solve` in scope
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout]     = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `iterative_solve`
[INFO] [stdout]    --> src/dlx/dlx_m.rs:125:58
[INFO] [stdout]     |
[INFO] [stdout] 125 |     /// It functions as a reference implementation for [`iterative_solve`].
[INFO] [stdout]     |                                                          ^^^^^^^^^^^^^^^ no item named `iterative_solve` in scope
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.10s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/exact_cover/index.html
[INFO] running `Command { std: "docker" "inspect" "6df488355083283f2ff2708158878ac35a03312619182b639e30588ec0e13995", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6df488355083283f2ff2708158878ac35a03312619182b639e30588ec0e13995", kill_on_drop: false }`
[INFO] [stdout] 6df488355083283f2ff2708158878ac35a03312619182b639e30588ec0e13995
[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" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "rustdoc" "--lib" "-Zrustdoc-map" "--config" "build.rustdocflags=[\"--cfg\", \"docsrs\", \"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d192a5ecc3dac3b24a8007e17e060fc3184471221f8d8c1ed6292e023a55e65
[INFO] running `Command { std: "docker" "start" "-a" "4d192a5ecc3dac3b24a8007e17e060fc3184471221f8d8c1ed6292e023a55e65", kill_on_drop: false }`
[INFO] [stderr]  Documenting exact-cover v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.81s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/exact_cover/index.html
[INFO] running `Command { std: "docker" "inspect" "4d192a5ecc3dac3b24a8007e17e060fc3184471221f8d8c1ed6292e023a55e65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d192a5ecc3dac3b24a8007e17e060fc3184471221f8d8c1ed6292e023a55e65", kill_on_drop: false }`
[INFO] [stdout] 4d192a5ecc3dac3b24a8007e17e060fc3184471221f8d8c1ed6292e023a55e65