[INFO] fetching crate graphsmith 0.0.0...
[INFO] testing graphsmith-0.0.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate graphsmith 0.0.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate graphsmith 0.0.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate graphsmith 0.0.0
[INFO] finished tweaking crates.io crate graphsmith 0.0.0
[INFO] tweaked toml for crates.io crate graphsmith 0.0.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate graphsmith 0.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 48a2de34201abab4c2182fafa69f1d6da6ae0d8875811dc22eb31ca201534174
[INFO] running `Command { std: "docker" "start" "-a" "48a2de34201abab4c2182fafa69f1d6da6ae0d8875811dc22eb31ca201534174", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "48a2de34201abab4c2182fafa69f1d6da6ae0d8875811dc22eb31ca201534174", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48a2de34201abab4c2182fafa69f1d6da6ae0d8875811dc22eb31ca201534174", kill_on_drop: false }`
[INFO] [stdout] 48a2de34201abab4c2182fafa69f1d6da6ae0d8875811dc22eb31ca201534174
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 147938de39e8caf5d38778292ce382f85c7a21da3a35664d71df59610ba9af87
[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" "147938de39e8caf5d38778292ce382f85c7a21da3a35664d71df59610ba9af87", kill_on_drop: false }`
[INFO] [stderr]    Compiling graphsmith v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `Command { std: "docker" "inspect" "147938de39e8caf5d38778292ce382f85c7a21da3a35664d71df59610ba9af87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "147938de39e8caf5d38778292ce382f85c7a21da3a35664d71df59610ba9af87", kill_on_drop: false }`
[INFO] [stdout] 147938de39e8caf5d38778292ce382f85c7a21da3a35664d71df59610ba9af87
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--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] f4b6d0a371b6c902b6d52c8d4b30580c7c08dda4cb6fb4242d30a3a78240ca24
[INFO] running `Command { std: "docker" "start" "-a" "f4b6d0a371b6c902b6d52c8d4b30580c7c08dda4cb6fb4242d30a3a78240ca24", kill_on_drop: false }`
[INFO] [stderr]    Compiling graphsmith v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "f4b6d0a371b6c902b6d52c8d4b30580c7c08dda4cb6fb4242d30a3a78240ca24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4b6d0a371b6c902b6d52c8d4b30580c7c08dda4cb6fb4242d30a3a78240ca24", kill_on_drop: false }`
[INFO] [stdout] f4b6d0a371b6c902b6d52c8d4b30580c7c08dda4cb6fb4242d30a3a78240ca24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 60a6f35fd6cd79d603aa76f2f872e3a47b331bff35cdbc65462a7bccf44a4cc2
[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" "60a6f35fd6cd79d603aa76f2f872e3a47b331bff35cdbc65462a7bccf44a4cc2", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/graphsmith-1f74da8714f88a44
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "60a6f35fd6cd79d603aa76f2f872e3a47b331bff35cdbc65462a7bccf44a4cc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60a6f35fd6cd79d603aa76f2f872e3a47b331bff35cdbc65462a7bccf44a4cc2", kill_on_drop: false }`
[INFO] [stdout] 60a6f35fd6cd79d603aa76f2f872e3a47b331bff35cdbc65462a7bccf44a4cc2