[INFO] fetching crate varisat 0.2.2...
[INFO] checking varisat-0.2.2 against try#bb9dbf1d07454a99066eabaabd5819851281494b for pr-80920
[INFO] extracting crate varisat 0.2.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate varisat 0.2.2 on toolchain bb9dbf1d07454a99066eabaabd5819851281494b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "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-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 386b2d3833fd4fbb682f75a8e4c7236bd09029b3391dc03923b1e6c0e462f51e
[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" "386b2d3833fd4fbb682f75a8e4c7236bd09029b3391dc03923b1e6c0e462f51e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "386b2d3833fd4fbb682f75a8e4c7236bd09029b3391dc03923b1e6c0e462f51e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "386b2d3833fd4fbb682f75a8e4c7236bd09029b3391dc03923b1e6c0e462f51e", kill_on_drop: false }`
[INFO] [stdout] 386b2d3833fd4fbb682f75a8e4c7236bd09029b3391dc03923b1e6c0e462f51e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] d8b83f561a8adcc629f0b7df3cc617e7ab4aa4ce4218a871ec5899c2fb2e2c9d
[INFO] running `Command { std: "docker" "start" "-a" "d8b83f561a8adcc629f0b7df3cc617e7ab4aa4ce4218a871ec5899c2fb2e2c9d", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]    Compiling serde v1.0.119
[INFO] [stderr]     Checking vec_mut_scan v0.3.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]    Compiling varisat v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]     Checking bit-set v0.5.2
[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]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_xorshift v0.2.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking ordered-float v2.0.1
[INFO] [stderr]     Checking proptest v0.10.1
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling partial_ref_derive v0.3.2
[INFO] [stderr]    Compiling serde_derive v1.0.119
[INFO] [stderr]    Compiling varisat-internal-macros v0.2.2
[INFO] [stderr]     Checking partial_ref v0.3.2
[INFO] [stderr]     Checking thiserror v1.0.23
[INFO] [stderr]     Checking varisat-formula v0.2.2
[INFO] [stderr]     Checking varisat-internal-proof v0.2.2
[INFO] [stderr]     Checking varisat-dimacs v0.2.2
[INFO] [stderr]     Checking varisat-checker v0.2.2
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 59.69s
[INFO] running `Command { std: "docker" "inspect" "d8b83f561a8adcc629f0b7df3cc617e7ab4aa4ce4218a871ec5899c2fb2e2c9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8b83f561a8adcc629f0b7df3cc617e7ab4aa4ce4218a871ec5899c2fb2e2c9d", kill_on_drop: false }`
[INFO] [stdout] d8b83f561a8adcc629f0b7df3cc617e7ab4aa4ce4218a871ec5899c2fb2e2c9d