[INFO] fetching crate flash-mockstream 0.1.1...
[INFO] testing flash-mockstream-0.1.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate flash-mockstream 0.1.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate flash-mockstream 0.1.1 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 flash-mockstream 0.1.1
[INFO] finished tweaking crates.io crate flash-mockstream 0.1.1
[INFO] tweaked toml for crates.io crate flash-mockstream 0.1.1 written to /workspace/builds/worker-2/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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] c0803cee62bbcdeb013ecaaa81c0c214dcb02c9cf23d5387f9c30536877f0958
[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" "c0803cee62bbcdeb013ecaaa81c0c214dcb02c9cf23d5387f9c30536877f0958", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c0803cee62bbcdeb013ecaaa81c0c214dcb02c9cf23d5387f9c30536877f0958", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0803cee62bbcdeb013ecaaa81c0c214dcb02c9cf23d5387f9c30536877f0958", kill_on_drop: false }`
[INFO] [stdout] c0803cee62bbcdeb013ecaaa81c0c214dcb02c9cf23d5387f9c30536877f0958
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] b4a3dc0cf1594d1ed4700d550ca052f769636576e37c2e8f59b9ab71e719909f
[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" "b4a3dc0cf1594d1ed4700d550ca052f769636576e37c2e8f59b9ab71e719909f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling tokio-io v0.1.13
[INFO] [stderr]    Compiling flash-mockstream v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.12s
[INFO] running `Command { std: "docker" "inspect" "b4a3dc0cf1594d1ed4700d550ca052f769636576e37c2e8f59b9ab71e719909f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4a3dc0cf1594d1ed4700d550ca052f769636576e37c2e8f59b9ab71e719909f", kill_on_drop: false }`
[INFO] [stdout] b4a3dc0cf1594d1ed4700d550ca052f769636576e37c2e8f59b9ab71e719909f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 7b46b1605da99bccecd7719534cf6c64c5f8fe06cd8c51c4ab9df4e7f274a42a
[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" "7b46b1605da99bccecd7719534cf6c64c5f8fe06cd8c51c4ab9df4e7f274a42a", kill_on_drop: false }`
[INFO] [stderr]    Compiling flash-mockstream v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.11s
[INFO] running `Command { std: "docker" "inspect" "7b46b1605da99bccecd7719534cf6c64c5f8fe06cd8c51c4ab9df4e7f274a42a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b46b1605da99bccecd7719534cf6c64c5f8fe06cd8c51c4ab9df4e7f274a42a", kill_on_drop: false }`
[INFO] [stdout] 7b46b1605da99bccecd7719534cf6c64c5f8fe06cd8c51c4ab9df4e7f274a42a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 8dbd1093694bcbdec7353ebd8ddae2ba5d10c2b5f2f57a093bfad1c30ec511cd
[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" "8dbd1093694bcbdec7353ebd8ddae2ba5d10c2b5f2f57a093bfad1c30ec511cd", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/flash_mockstream-bbee7a802daec9a4
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test mockstream::tests::test_write ... ok
[INFO] [stdout] test mockstream::tests::test_read ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/read_write-31f9984129979f25
[INFO] [stderr]    Doc-tests flash-mockstream
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_read_write ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8dbd1093694bcbdec7353ebd8ddae2ba5d10c2b5f2f57a093bfad1c30ec511cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8dbd1093694bcbdec7353ebd8ddae2ba5d10c2b5f2f57a093bfad1c30ec511cd", kill_on_drop: false }`
[INFO] [stdout] 8dbd1093694bcbdec7353ebd8ddae2ba5d10c2b5f2f57a093bfad1c30ec511cd