[INFO] fetching crate sancov 0.1.0...
[INFO] testing sancov-0.1.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] extracting crate sancov 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate sancov 0.1.0
[INFO] finished tweaking crates.io crate sancov 0.1.0
[INFO] tweaked toml for crates.io crate sancov 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate sancov 0.1.0 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 3 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sancov-sys v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c896d6f2f40b9f82a922f4901b98327087eff583905f62edef89a059307f2ec6
[INFO] running `Command { std: "docker" "start" "-a" "c896d6f2f40b9f82a922f4901b98327087eff583905f62edef89a059307f2ec6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c896d6f2f40b9f82a922f4901b98327087eff583905f62edef89a059307f2ec6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c896d6f2f40b9f82a922f4901b98327087eff583905f62edef89a059307f2ec6", kill_on_drop: false }`
[INFO] [stdout] c896d6f2f40b9f82a922f4901b98327087eff583905f62edef89a059307f2ec6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 62cb3b3d77940e92d61a9c1c8af333b865e0a93af448942871a89861988a1b6b
[INFO] running `Command { std: "docker" "start" "-a" "62cb3b3d77940e92d61a9c1c8af333b865e0a93af448942871a89861988a1b6b", kill_on_drop: false }`
[INFO] [stderr]    Compiling sancov-sys v0.1.0
[INFO] [stderr]    Compiling sancov v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "62cb3b3d77940e92d61a9c1c8af333b865e0a93af448942871a89861988a1b6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62cb3b3d77940e92d61a9c1c8af333b865e0a93af448942871a89861988a1b6b", kill_on_drop: false }`
[INFO] [stdout] 62cb3b3d77940e92d61a9c1c8af333b865e0a93af448942871a89861988a1b6b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3d127f46a60283f042edf4b9c6749df2b50217e81ca0bbe1f0633a4e2946f820
[INFO] running `Command { std: "docker" "start" "-a" "3d127f46a60283f042edf4b9c6749df2b50217e81ca0bbe1f0633a4e2946f820", kill_on_drop: false }`
[INFO] [stderr]    Compiling sancov v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: missing documentation for a function
[INFO] [stdout]    --> src/lib.rs:222:1
[INFO] [stdout]     |
[INFO] [stdout] 222 | pub fn __sanitizer_cov_8bit_counters_init(_: *const u8, _: *const u8) {}
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:3:9
[INFO] [stdout]     |
[INFO] [stdout]   3 | #![deny(missing_docs)]
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sancov` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "3d127f46a60283f042edf4b9c6749df2b50217e81ca0bbe1f0633a4e2946f820", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d127f46a60283f042edf4b9c6749df2b50217e81ca0bbe1f0633a4e2946f820", kill_on_drop: false }`
[INFO] [stdout] 3d127f46a60283f042edf4b9c6749df2b50217e81ca0bbe1f0633a4e2946f820