[INFO] fetching crate facto 0.3.1...
[INFO] checking facto-0.3.1 against master#fd0c901b00ee1e08a250039cdb90258603497e20 for pr-153692
[INFO] extracting crate facto 0.3.1 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate facto 0.3.1
[INFO] finished tweaking crates.io crate facto 0.3.1
[INFO] tweaked toml for crates.io crate facto 0.3.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate facto 0.3.1 on toolchain fd0c901b00ee1e08a250039cdb90258603497e20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fd0c901b00ee1e08a250039cdb90258603497e20" "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" "+fd0c901b00ee1e08a250039cdb90258603497e20" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 23 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fd0c901b00ee1e08a250039cdb90258603497e20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded redc v0.1.0
[INFO] [stderr]   Downloaded twoword v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+fd0c901b00ee1e08a250039cdb90258603497e20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4dd6d47d55cf8b7625d6e491e117d66d4103a26dc81355ac1256696275d3abae
[INFO] running `Command { std: "docker" "start" "-a" "4dd6d47d55cf8b7625d6e491e117d66d4103a26dc81355ac1256696275d3abae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4dd6d47d55cf8b7625d6e491e117d66d4103a26dc81355ac1256696275d3abae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4dd6d47d55cf8b7625d6e491e117d66d4103a26dc81355ac1256696275d3abae", kill_on_drop: false }`
[INFO] [stdout] 4dd6d47d55cf8b7625d6e491e117d66d4103a26dc81355ac1256696275d3abae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+fd0c901b00ee1e08a250039cdb90258603497e20" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f1e31ba480bae76c6d371374cf9a32f7e1ac0eb4c8550c59c5c6a32f7928b76a
[INFO] running `Command { std: "docker" "start" "-a" "f1e31ba480bae76c6d371374cf9a32f7e1ac0eb4c8550c59c5c6a32f7928b76a", kill_on_drop: false }`
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.7.0
[INFO] [stderr]    Compiling libm v0.2.16
[INFO] [stderr]    Compiling rug v1.29.0
[INFO] [stderr]     Checking az v1.3.0
[INFO] [stderr]     Checking twoword v0.1.0
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking redc v0.1.0
[INFO] [stderr]     Checking facto v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: missing documentation for the crate
[INFO] [stdout]    --> tests/complete_factor.rs:1:1
[INFO] [stdout]     |
[INFO] [stdout]   1 | / #![deny(unsafe_code)]
[INFO] [stdout]   2 | | #![warn(missing_docs)]
[INFO] [stdout]   3 | | #![warn(missing_debug_implementations)]
[INFO] [stdout]   4 | | #![warn(unused)]
[INFO] [stdout] ...   |
[INFO] [stdout] 170 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> tests/complete_factor.rs:2:9
[INFO] [stdout]     |
[INFO] [stdout]   2 | #![warn(missing_docs)]
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4m 11s
[INFO] running `Command { std: "docker" "inspect" "f1e31ba480bae76c6d371374cf9a32f7e1ac0eb4c8550c59c5c6a32f7928b76a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1e31ba480bae76c6d371374cf9a32f7e1ac0eb4c8550c59c5c6a32f7928b76a", kill_on_drop: false }`
[INFO] [stdout] f1e31ba480bae76c6d371374cf9a32f7e1ac0eb4c8550c59c5c6a32f7928b76a