[INFO] fetching crate varisat-lrat 0.2.2...
[INFO] checking varisat-lrat-0.2.2 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] extracting crate varisat-lrat 0.2.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate varisat-lrat 0.2.2 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate varisat-lrat 0.2.2
[INFO] finished tweaking crates.io crate varisat-lrat 0.2.2
[INFO] tweaked toml for crates.io crate varisat-lrat 0.2.2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--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 varisat-formula v0.2.2
[INFO] [stderr]   Downloaded partial_ref_derive v0.3.2
[INFO] [stderr]   Downloaded vec_mut_scan v0.3.0
[INFO] [stderr]   Downloaded varisat v0.2.2
[INFO] [stderr]   Downloaded varisat-internal-macros v0.2.2
[INFO] [stderr]   Downloaded varisat-dimacs v0.2.2
[INFO] [stderr]   Downloaded varisat-internal-proof v0.2.2
[INFO] [stderr]   Downloaded varisat-checker v0.2.2
[INFO] [stderr]   Downloaded partial_ref v0.3.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f2decbe182ad55d93fef4cc232e2efbe2b2d2deaec5a34de05b7804127ccd31d
[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" "f2decbe182ad55d93fef4cc232e2efbe2b2d2deaec5a34de05b7804127ccd31d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f2decbe182ad55d93fef4cc232e2efbe2b2d2deaec5a34de05b7804127ccd31d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2decbe182ad55d93fef4cc232e2efbe2b2d2deaec5a34de05b7804127ccd31d", kill_on_drop: false }`
[INFO] [stdout] f2decbe182ad55d93fef4cc232e2efbe2b2d2deaec5a34de05b7804127ccd31d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 44e148bf8df31ad1de00e0530b774c7966ba0ee89a4e8e08934023faf2a02ad0
[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" "44e148bf8df31ad1de00e0530b774c7966ba0ee89a4e8e08934023faf2a02ad0", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking vec_mut_scan v0.3.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling anyhow v1.0.33
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking rand_xorshift v0.2.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.21
[INFO] [stderr]    Compiling partial_ref_derive v0.3.2
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling varisat v0.2.2
[INFO] [stderr]    Compiling varisat-lrat v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling aho-corasick v0.7.13
[INFO] [stderr] warning: check-lrat utility not found, some tests will be disabled: No such file or directory (os error 2)
[INFO] [stderr]     Checking partial_ref v0.3.2
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]     Checking proptest v0.10.1
[INFO] [stderr]     Checking ordered-float v2.0.0
[INFO] [stderr]     Checking thiserror v1.0.21
[INFO] [stderr]    Compiling varisat-internal-macros v0.2.2
[INFO] [stderr]     Checking serde v1.0.116
[INFO] [stderr]     Checking varisat-formula v0.2.2
[INFO] [stderr]     Checking varisat-dimacs v0.2.2
[INFO] [stderr]     Checking varisat-internal-proof v0.2.2
[INFO] [stderr]     Checking varisat-checker v0.2.2
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 50.53s
[INFO] running `Command { std: "docker" "inspect" "44e148bf8df31ad1de00e0530b774c7966ba0ee89a4e8e08934023faf2a02ad0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44e148bf8df31ad1de00e0530b774c7966ba0ee89a4e8e08934023faf2a02ad0", kill_on_drop: false }`
[INFO] [stdout] 44e148bf8df31ad1de00e0530b774c7966ba0ee89a4e8e08934023faf2a02ad0