[INFO] fetching crate reachability_solver 0.2.0...
[INFO] checking reachability_solver-0.2.0 against try#05c8870159e4f328578a970e125aa76d24f03b56 for pr-76219
[INFO] extracting crate reachability_solver 0.2.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate reachability_solver 0.2.0 on toolchain 05c8870159e4f328578a970e125aa76d24f03b56
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate reachability_solver 0.2.0
[INFO] finished tweaking crates.io crate reachability_solver 0.2.0
[INFO] tweaked toml for crates.io crate reachability_solver 0.2.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate reachability_solver 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cuckoofilter v0.3.2
[INFO] [stderr]   Downloaded linear_solver v0.2.2
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6db4ff00c295fdcf54a9c5157fcc150758858d7188bfa0ef5a48ed29cb21f6c1
[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" "6db4ff00c295fdcf54a9c5157fcc150758858d7188bfa0ef5a48ed29cb21f6c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6db4ff00c295fdcf54a9c5157fcc150758858d7188bfa0ef5a48ed29cb21f6c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6db4ff00c295fdcf54a9c5157fcc150758858d7188bfa0ef5a48ed29cb21f6c1", kill_on_drop: false }`
[INFO] [stdout] 6db4ff00c295fdcf54a9c5157fcc150758858d7188bfa0ef5a48ed29cb21f6c1
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 20858d06a25405a7d2147236614e5dbd29eea2492d46a03ea9a770f9ec828fe4
[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" "20858d06a25405a7d2147236614e5dbd29eea2492d46a03ea9a770f9ec828fe4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking cuckoofilter v0.3.2
[INFO] [stderr]     Checking linear_solver v0.2.2
[INFO] [stderr]     Checking reachability_solver v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.64s
[INFO] running `Command { std: "docker" "inspect" "20858d06a25405a7d2147236614e5dbd29eea2492d46a03ea9a770f9ec828fe4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20858d06a25405a7d2147236614e5dbd29eea2492d46a03ea9a770f9ec828fe4", kill_on_drop: false }`
[INFO] [stdout] 20858d06a25405a7d2147236614e5dbd29eea2492d46a03ea9a770f9ec828fe4