[INFO] fetching crate rainbowcoat 0.1.0...
[INFO] testing rainbowcoat-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate rainbowcoat 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate rainbowcoat 0.1.0 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 rainbowcoat 0.1.0
[INFO] finished tweaking crates.io crate rainbowcoat 0.1.0
[INFO] tweaked toml for crates.io crate rainbowcoat 0.1.0 written to /workspace/builds/worker-7/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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/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] 8e4beb5ee7f6b5e55baa7ab7860c0a6acb8f37e4d003ff11e8226cd730eabd9b
[INFO] running `Command { std: "docker" "start" "-a" "8e4beb5ee7f6b5e55baa7ab7860c0a6acb8f37e4d003ff11e8226cd730eabd9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8e4beb5ee7f6b5e55baa7ab7860c0a6acb8f37e4d003ff11e8226cd730eabd9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e4beb5ee7f6b5e55baa7ab7860c0a6acb8f37e4d003ff11e8226cd730eabd9b", kill_on_drop: false }`
[INFO] [stdout] 8e4beb5ee7f6b5e55baa7ab7860c0a6acb8f37e4d003ff11e8226cd730eabd9b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/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] c789003bfcfa575a91851b35899d26d9b9e05b5ec48c93322a706847eeeb4225
[INFO] running `Command { std: "docker" "start" "-a" "c789003bfcfa575a91851b35899d26d9b9e05b5ec48c93322a706847eeeb4225", kill_on_drop: false }`
[INFO] [stderr]    Compiling ansi_term v0.9.0
[INFO] [stderr]    Compiling rainbowcoat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `Command { std: "docker" "inspect" "c789003bfcfa575a91851b35899d26d9b9e05b5ec48c93322a706847eeeb4225", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c789003bfcfa575a91851b35899d26d9b9e05b5ec48c93322a706847eeeb4225", kill_on_drop: false }`
[INFO] [stdout] c789003bfcfa575a91851b35899d26d9b9e05b5ec48c93322a706847eeeb4225
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c90ae531d33b4ca50583f013fad0f014204b95b637367d0be09ae40dca4cc987
[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" "c90ae531d33b4ca50583f013fad0f014204b95b637367d0be09ae40dca4cc987", kill_on_drop: false }`
[INFO] [stderr]    Compiling rainbowcoat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.18s
[INFO] running `Command { std: "docker" "inspect" "c90ae531d33b4ca50583f013fad0f014204b95b637367d0be09ae40dca4cc987", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c90ae531d33b4ca50583f013fad0f014204b95b637367d0be09ae40dca4cc987", kill_on_drop: false }`
[INFO] [stdout] c90ae531d33b4ca50583f013fad0f014204b95b637367d0be09ae40dca4cc987
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 24c6bde14c7ccf1d63a9c21c777af50133e391cfef6d193b4826e5d14a6cffe2
[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" "24c6bde14c7ccf1d63a9c21c777af50133e391cfef6d193b4826e5d14a6cffe2", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rainbowcoat-3743e83d0f599725
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] hello
[INFO] [stdout] test tests::colors_colors ... ok
[INFO] [stdout] test tests::stdout_convenience ... ok
[INFO] [stdout] test tests::colors_writes ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rainbowcoat
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 7) ... ok
[INFO] [stdout] test src/lib.rs - Colors (line 39) ... ok
[INFO] [stdout] test src/lib.rs - Colors (line 29) ... 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" "24c6bde14c7ccf1d63a9c21c777af50133e391cfef6d193b4826e5d14a6cffe2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24c6bde14c7ccf1d63a9c21c777af50133e391cfef6d193b4826e5d14a6cffe2", kill_on_drop: false }`
[INFO] [stdout] 24c6bde14c7ccf1d63a9c21c777af50133e391cfef6d193b4826e5d14a6cffe2