[INFO] cloning repository https://github.com/rust-lang-nursery/polonius
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rust-lang-nursery/polonius" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-lang-nursery%2Fpolonius", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-lang-nursery%2Fpolonius'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a80bd0068d30d570c110a77d109e4a04a042bffb
[INFO] checking rust-lang-nursery/polonius against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-lang-nursery%2Fpolonius" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rust-lang-nursery/polonius on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-1-tc1/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/rust-lang-nursery/polonius
[INFO] finished tweaking git repo https://github.com/rust-lang-nursery/polonius
[INFO] tweaked toml for git repo https://github.com/rust-lang-nursery/polonius written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/rust-lang-nursery/polonius 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: /workspace/builds/worker-1-tc1/source/polonius-engine/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ordermap v0.3.5
[INFO] [stderr]   Downloaded datafrog v2.0.1
[INFO] [stderr]   Downloaded diff v0.1.12
[INFO] [stderr]   Downloaded fixedbitset v0.1.9
[INFO] [stderr]   Downloaded petgraph v0.4.13
[INFO] [stderr]   Downloaded pico-args v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 311ed0a92f4179ffe24b1dc5d19178fd5e09c9dc0a0a58fe017288b38d23c1b4
[INFO] running `Command { std: "docker" "start" "-a" "311ed0a92f4179ffe24b1dc5d19178fd5e09c9dc0a0a58fe017288b38d23c1b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "311ed0a92f4179ffe24b1dc5d19178fd5e09c9dc0a0a58fe017288b38d23c1b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "311ed0a92f4179ffe24b1dc5d19178fd5e09c9dc0a0a58fe017288b38d23c1b4", kill_on_drop: false }`
[INFO] [stdout] 311ed0a92f4179ffe24b1dc5d19178fd5e09c9dc0a0a58fe017288b38d23c1b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1023e87dfbec244d464ba7b10e0583282dedaa34d19fedf10cef5399f2724d76
[INFO] running `Command { std: "docker" "start" "-a" "1023e87dfbec244d464ba7b10e0583282dedaa34d19fedf10cef5399f2724d76", kill_on_drop: false }`
[INFO] [stderr] warning: /opt/rustwide/workdir/polonius-engine/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking datafrog v2.0.1
[INFO] [stderr]     Checking ordermap v0.3.5
[INFO] [stderr]     Checking fixedbitset v0.1.9
[INFO] [stderr]     Checking pico-args v0.2.0
[INFO] [stderr]     Checking diff v0.1.12
[INFO] [stderr]     Checking polonius-parser v0.5.0 (/opt/rustwide/workdir/polonius-parser)
[INFO] [stderr]     Checking polonius-engine v0.13.0 (/opt/rustwide/workdir/polonius-engine)
[INFO] [stderr]     Checking petgraph v0.4.13
[INFO] [stderr]     Checking polonius v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `Command { std: "docker" "inspect" "1023e87dfbec244d464ba7b10e0583282dedaa34d19fedf10cef5399f2724d76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1023e87dfbec244d464ba7b10e0583282dedaa34d19fedf10cef5399f2724d76", kill_on_drop: false }`
[INFO] [stdout] 1023e87dfbec244d464ba7b10e0583282dedaa34d19fedf10cef5399f2724d76