[INFO] fetching crate varisat 0.2.2...
[INFO] checking varisat-0.2.2 against try#6f12b8fe67b4eed2e838dab803ed9493b9d62c0f for pr-79073
[INFO] extracting crate varisat 0.2.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate varisat 0.2.2 on toolchain 6f12b8fe67b4eed2e838dab803ed9493b9d62c0f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate varisat 0.2.2
[INFO] finished tweaking crates.io crate varisat 0.2.2
[INFO] tweaked toml for crates.io crate varisat 0.2.2 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d1bdab136e453ef9360cdb33955859fa09fce4e4238e85319eef7404b7caf397
[INFO] running `Command { std: "docker" "start" "-a" "d1bdab136e453ef9360cdb33955859fa09fce4e4238e85319eef7404b7caf397", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d1bdab136e453ef9360cdb33955859fa09fce4e4238e85319eef7404b7caf397", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1bdab136e453ef9360cdb33955859fa09fce4e4238e85319eef7404b7caf397", kill_on_drop: false }`
[INFO] [stdout] d1bdab136e453ef9360cdb33955859fa09fce4e4238e85319eef7404b7caf397
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 43f4e008d245de49e22afdd529ec3367baba1a26ed69a8796dd85baf60434f2f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "43f4e008d245de49e22afdd529ec3367baba1a26ed69a8796dd85baf60434f2f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking vec_mut_scan v0.3.0
[INFO] [stderr]     Checking leb128 v0.2.4
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking anyhow v1.0.34
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling varisat v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking ordered-float v2.0.0
[INFO] [stderr]     Checking varisat-formula v0.2.2
[INFO] [stderr]     Checking varisat-internal-proof v0.2.2
[INFO] [stderr] warning: drat-trim proof checker not found, some tests will be disabled: No such file or directory (os error 2)
[INFO] [stderr] warning: rate proof checker not found, some tests will be disabled: No such file or directory (os error 2)
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]    Compiling syn v1.0.50
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]    Compiling partial_ref_derive v0.3.2
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling varisat-internal-macros v0.2.2
[INFO] [stderr]     Checking partial_ref v0.3.2
[INFO] [stderr]     Checking thiserror v1.0.22
[INFO] [stderr]     Checking varisat-dimacs v0.2.2
[INFO] [stderr]     Checking varisat-checker v0.2.2
[INFO] [stderr]     Checking serde v1.0.117
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 11s
[INFO] running `Command { std: "docker" "inspect" "43f4e008d245de49e22afdd529ec3367baba1a26ed69a8796dd85baf60434f2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43f4e008d245de49e22afdd529ec3367baba1a26ed69a8796dd85baf60434f2f", kill_on_drop: false }`
[INFO] [stdout] 43f4e008d245de49e22afdd529ec3367baba1a26ed69a8796dd85baf60434f2f