[INFO] cloning repository https://github.com/NorbertBodziony/matching_engine
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/NorbertBodziony/matching_engine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNorbertBodziony%2Fmatching_engine", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNorbertBodziony%2Fmatching_engine'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8f977a91d8d0bde0ed832f22f0d976696301f063
[INFO] documenting NorbertBodziony/matching_engine against 1.69.0 for beta-1.70-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNorbertBodziony%2Fmatching_engine" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/NorbertBodziony/matching_engine on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/NorbertBodziony/matching_engine
[INFO] finished tweaking git repo https://github.com/NorbertBodziony/matching_engine
[INFO] tweaked toml for git repo https://github.com/NorbertBodziony/matching_engine written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/NorbertBodziony/matching_engine 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" "+1.69.0" "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 priority-queue v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8c2828c08af2fc3ea67cdfe44e09921e0744a231f99bf8df9f3d529fccdc8d4e
[INFO] running `Command { std: "docker" "start" "-a" "8c2828c08af2fc3ea67cdfe44e09921e0744a231f99bf8df9f3d529fccdc8d4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c2828c08af2fc3ea67cdfe44e09921e0744a231f99bf8df9f3d529fccdc8d4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c2828c08af2fc3ea67cdfe44e09921e0744a231f99bf8df9f3d529fccdc8d4e", kill_on_drop: false }`
[INFO] [stdout] 8c2828c08af2fc3ea67cdfe44e09921e0744a231f99bf8df9f3d529fccdc8d4e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3d48acd32d4cad16985813fa58a142018164a33820aa12765f23d7b5235c89ae
[INFO] running `Command { std: "docker" "start" "-a" "3d48acd32d4cad16985813fa58a142018164a33820aa12765f23d7b5235c89ae", kill_on_drop: false }`
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]    Compiling priority-queue v1.0.0
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]  Documenting engine v0.1.0 (/opt/rustwide/workdir/engine)
[INFO] [stderr]     Checking engine v0.1.0 (/opt/rustwide/workdir/engine)
[INFO] [stdout] warning: value assigned to `should_pop` is never read
[INFO] [stdout]   --> engine/src/offer.rs:25:17
[INFO] [stdout]    |
[INFO] [stdout] 25 |         let mut should_pop: bool = false;
[INFO] [stdout]    |                 ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `should_pop` is never read
[INFO] [stdout]   --> engine/src/offer.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |             should_pop = false;
[INFO] [stdout]    |             ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `should_pop` is never read
[INFO] [stdout]   --> engine/src/bid.rs:23:17
[INFO] [stdout]    |
[INFO] [stdout] 23 |         let mut should_pop: bool = false;
[INFO] [stdout]    |                 ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `should_pop` is never read
[INFO] [stdout]   --> engine/src/bid.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 25 |             should_pop = false;
[INFO] [stdout]    |             ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.30s
[INFO] running `Command { std: "docker" "inspect" "3d48acd32d4cad16985813fa58a142018164a33820aa12765f23d7b5235c89ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d48acd32d4cad16985813fa58a142018164a33820aa12765f23d7b5235c89ae", kill_on_drop: false }`
[INFO] [stdout] 3d48acd32d4cad16985813fa58a142018164a33820aa12765f23d7b5235c89ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "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] 38be9e6981132beb4a10e6bc55e0872ebf671594d5b715be99e3de030429ad61
[INFO] running `Command { std: "docker" "start" "-a" "38be9e6981132beb4a10e6bc55e0872ebf671594d5b715be99e3de030429ad61", kill_on_drop: false }`
[INFO] [stderr] error: manifest path `/opt/rustwide/workdir/Cargo.toml` is a virtual manifest, but this command requires running against an actual package in this workspace
[INFO] running `Command { std: "docker" "inspect" "38be9e6981132beb4a10e6bc55e0872ebf671594d5b715be99e3de030429ad61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38be9e6981132beb4a10e6bc55e0872ebf671594d5b715be99e3de030429ad61", kill_on_drop: false }`
[INFO] [stdout] 38be9e6981132beb4a10e6bc55e0872ebf671594d5b715be99e3de030429ad61
