[INFO] fetching crate lz_stream_io 0.1.0...
[INFO] testing lz_stream_io-0.1.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate lz_stream_io 0.1.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate lz_stream_io 0.1.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lz_stream_io 0.1.0
[INFO] finished tweaking crates.io crate lz_stream_io 0.1.0
[INFO] tweaked toml for crates.io crate lz_stream_io 0.1.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7a3f71b25fefd13ae4ca5dafdfe0dfba5a94ce6d362fe85b6e031ca78e588029
[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" "7a3f71b25fefd13ae4ca5dafdfe0dfba5a94ce6d362fe85b6e031ca78e588029", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a3f71b25fefd13ae4ca5dafdfe0dfba5a94ce6d362fe85b6e031ca78e588029", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a3f71b25fefd13ae4ca5dafdfe0dfba5a94ce6d362fe85b6e031ca78e588029", kill_on_drop: false }`
[INFO] [stdout] 7a3f71b25fefd13ae4ca5dafdfe0dfba5a94ce6d362fe85b6e031ca78e588029
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 47bde576067b8685c4a8f8ef0cd5be1217db0125de3116e206fc4b6b25efc08f
[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" "47bde576067b8685c4a8f8ef0cd5be1217db0125de3116e206fc4b6b25efc08f", kill_on_drop: false }`
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling tokio-io v0.1.13
[INFO] [stderr]    Compiling lz_stream_io v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.89s
[INFO] running `Command { std: "docker" "inspect" "47bde576067b8685c4a8f8ef0cd5be1217db0125de3116e206fc4b6b25efc08f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47bde576067b8685c4a8f8ef0cd5be1217db0125de3116e206fc4b6b25efc08f", kill_on_drop: false }`
[INFO] [stdout] 47bde576067b8685c4a8f8ef0cd5be1217db0125de3116e206fc4b6b25efc08f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+beta-2021-01-01" "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] 8a6778eb6fff8630c6dc162f2f2bc36621e3dc9359852f54636a26e82a3275e0
[INFO] running `Command { std: "docker" "start" "-a" "8a6778eb6fff8630c6dc162f2f2bc36621e3dc9359852f54636a26e82a3275e0", kill_on_drop: false }`
[INFO] [stderr]    Compiling lz_stream_io v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.51s
[INFO] running `Command { std: "docker" "inspect" "8a6778eb6fff8630c6dc162f2f2bc36621e3dc9359852f54636a26e82a3275e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a6778eb6fff8630c6dc162f2f2bc36621e3dc9359852f54636a26e82a3275e0", kill_on_drop: false }`
[INFO] [stdout] 8a6778eb6fff8630c6dc162f2f2bc36621e3dc9359852f54636a26e82a3275e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c0a1760398bcbc1ebb84c6ad65bbdd1a6a331c4f63a93cc1ee03cd676cd73b87
[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" "c0a1760398bcbc1ebb84c6ad65bbdd1a6a331c4f63a93cc1ee03cd676cd73b87", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/lz_stream_io-2fcc8af21b30b80a
[INFO] [stdout] running 2 tests
[INFO] [stdout] test sink_write::tests::async_write_works ... ok
[INFO] [stderr]    Doc-tests lz_stream_io
[INFO] [stdout] test stream_read::tests::async_read_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 6) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.95s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c0a1760398bcbc1ebb84c6ad65bbdd1a6a331c4f63a93cc1ee03cd676cd73b87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0a1760398bcbc1ebb84c6ad65bbdd1a6a331c4f63a93cc1ee03cd676cd73b87", kill_on_drop: false }`
[INFO] [stdout] c0a1760398bcbc1ebb84c6ad65bbdd1a6a331c4f63a93cc1ee03cd676cd73b87