[INFO] fetching crate roll-dice 0.2.0...
[INFO] testing roll-dice-0.2.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate roll-dice 0.2.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate roll-dice 0.2.0 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 roll-dice 0.2.0
[INFO] finished tweaking crates.io crate roll-dice 0.2.0
[INFO] tweaked toml for crates.io crate roll-dice 0.2.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stdout] 8c9263ebb68418bd61f95f9594727fcd41ca20587707e2ef174eedf960fb0cca
[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" "8c9263ebb68418bd61f95f9594727fcd41ca20587707e2ef174eedf960fb0cca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c9263ebb68418bd61f95f9594727fcd41ca20587707e2ef174eedf960fb0cca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c9263ebb68418bd61f95f9594727fcd41ca20587707e2ef174eedf960fb0cca", kill_on_drop: false }`
[INFO] [stdout] 8c9263ebb68418bd61f95f9594727fcd41ca20587707e2ef174eedf960fb0cca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c49460886017d9774c11f4be6ca00c840e85bf66ed1d5e59f9d663259684cbad
[INFO] running `Command { std: "docker" "start" "-a" "c49460886017d9774c11f4be6ca00c840e85bf66ed1d5e59f9d663259684cbad", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling roll-dice v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.07s
[INFO] running `Command { std: "docker" "inspect" "c49460886017d9774c11f4be6ca00c840e85bf66ed1d5e59f9d663259684cbad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c49460886017d9774c11f4be6ca00c840e85bf66ed1d5e59f9d663259684cbad", kill_on_drop: false }`
[INFO] [stdout] c49460886017d9774c11f4be6ca00c840e85bf66ed1d5e59f9d663259684cbad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stdout] 2b7c17953149c3ef0b69ca054355805e3378647348645b540b7a19c4756952bb
[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" "2b7c17953149c3ef0b69ca054355805e3378647348645b540b7a19c4756952bb", kill_on_drop: false }`
[INFO] [stderr]    Compiling roll-dice v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `Command { std: "docker" "inspect" "2b7c17953149c3ef0b69ca054355805e3378647348645b540b7a19c4756952bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b7c17953149c3ef0b69ca054355805e3378647348645b540b7a19c4756952bb", kill_on_drop: false }`
[INFO] [stdout] 2b7c17953149c3ef0b69ca054355805e3378647348645b540b7a19c4756952bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] f9cd095e1b1189e2f9e6ca4cf180e9b3a719a3d40eb18ca945ca2ef9cf9e7447
[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" "f9cd095e1b1189e2f9e6ca4cf180e9b3a719a3d40eb18ca945ca2ef9cf9e7447", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/roll_dice-44286d06e2edb381
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::die_faces ... ok
[INFO] [stdout] test tests::die_roll_d6 ... ok
[INFO] [stdout] test tests::roll_vector_contains_numbers_from_valid_range ... ok
[INFO] [stdout] test tests::roll_zero_dice ... ok
[INFO] [stdout] test tests::die_roll_d1 ... ok
[INFO] [stdout] test tests::roll_vector_length_equals_number_of_dice ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests roll-dice
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - roll (line 47) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f9cd095e1b1189e2f9e6ca4cf180e9b3a719a3d40eb18ca945ca2ef9cf9e7447", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9cd095e1b1189e2f9e6ca4cf180e9b3a719a3d40eb18ca945ca2ef9cf9e7447", kill_on_drop: false }`
[INFO] [stdout] f9cd095e1b1189e2f9e6ca4cf180e9b3a719a3d40eb18ca945ca2ef9cf9e7447