[INFO] fetching crate freezebox 0.1.1...
[INFO] testing freezebox-0.1.1 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate freezebox 0.1.1 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate freezebox 0.1.1 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate freezebox 0.1.1
[INFO] finished tweaking crates.io crate freezebox 0.1.1
[INFO] tweaked toml for crates.io crate freezebox 0.1.1 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6d22fea7136287f19ef0acd642550a4c0224f76359afe89ad28c0a3438e442e7
[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" "6d22fea7136287f19ef0acd642550a4c0224f76359afe89ad28c0a3438e442e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6d22fea7136287f19ef0acd642550a4c0224f76359afe89ad28c0a3438e442e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d22fea7136287f19ef0acd642550a4c0224f76359afe89ad28c0a3438e442e7", kill_on_drop: false }`
[INFO] [stdout] 6d22fea7136287f19ef0acd642550a4c0224f76359afe89ad28c0a3438e442e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--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] 670de5fdc1f8b6d10d7713e1131b833fb74d412542e1f80b80c3ced371395f82
[INFO] running `Command { std: "docker" "start" "-a" "670de5fdc1f8b6d10d7713e1131b833fb74d412542e1f80b80c3ced371395f82", kill_on_drop: false }`
[INFO] [stderr]    Compiling freezebox v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "670de5fdc1f8b6d10d7713e1131b833fb74d412542e1f80b80c3ced371395f82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "670de5fdc1f8b6d10d7713e1131b833fb74d412542e1f80b80c3ced371395f82", kill_on_drop: false }`
[INFO] [stdout] 670de5fdc1f8b6d10d7713e1131b833fb74d412542e1f80b80c3ced371395f82
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] 8b232de5915d65de7b8427afe1bb3000b08aee3b5f2296f8d1aa7630c59c16fd
[INFO] running `Command { std: "docker" "start" "-a" "8b232de5915d65de7b8427afe1bb3000b08aee3b5f2296f8d1aa7630c59c16fd", kill_on_drop: false }`
[INFO] [stderr]    Compiling freezebox v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "8b232de5915d65de7b8427afe1bb3000b08aee3b5f2296f8d1aa7630c59c16fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b232de5915d65de7b8427afe1bb3000b08aee3b5f2296f8d1aa7630c59c16fd", kill_on_drop: false }`
[INFO] [stdout] 8b232de5915d65de7b8427afe1bb3000b08aee3b5f2296f8d1aa7630c59c16fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1f20da3a4db2655d7d7f7559e6ace3c40a61eec13f4314ecd9eea7abee193bca
[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" "1f20da3a4db2655d7d7f7559e6ace3c40a61eec13f4314ecd9eea7abee193bca", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/freezebox-deb78a7f02073fd3
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::freezebox_test ... ok
[INFO] [stdout] test tests::freezebox_panic_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests freezebox
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - _Unused (line 139) ... ok
[INFO] [stdout] test src/lib.rs - _Unused (line 128) ... ok
[INFO] [stdout] test src/lib.rs - (line 19) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1f20da3a4db2655d7d7f7559e6ace3c40a61eec13f4314ecd9eea7abee193bca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f20da3a4db2655d7d7f7559e6ace3c40a61eec13f4314ecd9eea7abee193bca", kill_on_drop: false }`
[INFO] [stdout] 1f20da3a4db2655d7d7f7559e6ace3c40a61eec13f4314ecd9eea7abee193bca