[INFO] fetching crate sandpile 0.1.0...
[INFO] testing sandpile-0.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate sandpile 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate sandpile 0.1.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sandpile 0.1.0
[INFO] finished tweaking crates.io crate sandpile 0.1.0
[INFO] tweaked toml for crates.io crate sandpile 0.1.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5f60c2e4e1d50ca574355afe32133fb54e76239aeefd71f51a360b9b610ad2bf
[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" "5f60c2e4e1d50ca574355afe32133fb54e76239aeefd71f51a360b9b610ad2bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5f60c2e4e1d50ca574355afe32133fb54e76239aeefd71f51a360b9b610ad2bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f60c2e4e1d50ca574355afe32133fb54e76239aeefd71f51a360b9b610ad2bf", kill_on_drop: false }`
[INFO] [stdout] 5f60c2e4e1d50ca574355afe32133fb54e76239aeefd71f51a360b9b610ad2bf
[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=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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a668dac582ed5a5633b4f3c3e52e43e0b3ae44f88070d54a7f17d48b10fb3730
[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" "a668dac582ed5a5633b4f3c3e52e43e0b3ae44f88070d54a7f17d48b10fb3730", kill_on_drop: false }`
[INFO] [stderr]    Compiling sandpile v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "a668dac582ed5a5633b4f3c3e52e43e0b3ae44f88070d54a7f17d48b10fb3730", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a668dac582ed5a5633b4f3c3e52e43e0b3ae44f88070d54a7f17d48b10fb3730", kill_on_drop: false }`
[INFO] [stdout] a668dac582ed5a5633b4f3c3e52e43e0b3ae44f88070d54a7f17d48b10fb3730
[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=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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f0c45462f1d106ca5dd05343af2347dcce0fd3e34e58d739ffa0b56839505b4b
[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" "f0c45462f1d106ca5dd05343af2347dcce0fd3e34e58d739ffa0b56839505b4b", kill_on_drop: false }`
[INFO] [stderr]    Compiling sandpile v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.09s
[INFO] running `Command { std: "docker" "inspect" "f0c45462f1d106ca5dd05343af2347dcce0fd3e34e58d739ffa0b56839505b4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0c45462f1d106ca5dd05343af2347dcce0fd3e34e58d739ffa0b56839505b4b", kill_on_drop: false }`
[INFO] [stdout] f0c45462f1d106ca5dd05343af2347dcce0fd3e34e58d739ffa0b56839505b4b
[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=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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c079c41200391397e62541316a308335753cd0be2d395d805d5f3ac03c06e0e9
[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" "c079c41200391397e62541316a308335753cd0be2d395d805d5f3ac03c06e0e9", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 5 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/sandpile-9ba97f0088973bc3)
[INFO] [stdout] test sandpile::tests::stabilization_test_1 ... ok
[INFO] [stdout] test sandpile::tests::test_equality ... ok
[INFO] [stdout] test sandpile::tests::stabilization_test_2 ... ok
[INFO] [stdout] test sandpile::tests::test_data_initialization ... ok
[INFO] [stdout] test sandpile::tests::addition_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests sandpile
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c079c41200391397e62541316a308335753cd0be2d395d805d5f3ac03c06e0e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c079c41200391397e62541316a308335753cd0be2d395d805d5f3ac03c06e0e9", kill_on_drop: false }`
[INFO] [stdout] c079c41200391397e62541316a308335753cd0be2d395d805d5f3ac03c06e0e9