[INFO] fetching crate bitstream-rs 0.2.0...
[INFO] testing bitstream-rs-0.2.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate bitstream-rs 0.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate bitstream-rs 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 bitstream-rs 0.2.0
[INFO] finished tweaking crates.io crate bitstream-rs 0.2.0
[INFO] tweaked toml for crates.io crate bitstream-rs 0.2.0 written to /workspace/builds/worker-4/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 413afbf746197e3627ae3b4fd90c78f7510d56542ad5161301ce923494ed368c
[INFO] running `Command { std: "docker" "start" "-a" "413afbf746197e3627ae3b4fd90c78f7510d56542ad5161301ce923494ed368c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "413afbf746197e3627ae3b4fd90c78f7510d56542ad5161301ce923494ed368c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "413afbf746197e3627ae3b4fd90c78f7510d56542ad5161301ce923494ed368c", kill_on_drop: false }`
[INFO] [stdout] 413afbf746197e3627ae3b4fd90c78f7510d56542ad5161301ce923494ed368c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 95cefa132d0f281d9ebaae193eabd52f632115558812e46deedcc322949db744
[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" "95cefa132d0f281d9ebaae193eabd52f632115558812e46deedcc322949db744", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitstream-rs v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "95cefa132d0f281d9ebaae193eabd52f632115558812e46deedcc322949db744", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95cefa132d0f281d9ebaae193eabd52f632115558812e46deedcc322949db744", kill_on_drop: false }`
[INFO] [stdout] 95cefa132d0f281d9ebaae193eabd52f632115558812e46deedcc322949db744
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6df707fa34ddccb174523e8cb5decbeef42f3c2a6a0701b7f2d6109621c8d8a4
[INFO] running `Command { std: "docker" "start" "-a" "6df707fa34ddccb174523e8cb5decbeef42f3c2a6a0701b7f2d6109621c8d8a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitstream-rs v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `Command { std: "docker" "inspect" "6df707fa34ddccb174523e8cb5decbeef42f3c2a6a0701b7f2d6109621c8d8a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6df707fa34ddccb174523e8cb5decbeef42f3c2a6a0701b7f2d6109621c8d8a4", kill_on_drop: false }`
[INFO] [stdout] 6df707fa34ddccb174523e8cb5decbeef42f3c2a6a0701b7f2d6109621c8d8a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bb4a594c5aa7944e9fd5bfb07f42db79b53dc426ce77e448a80324452f6121fe
[INFO] running `Command { std: "docker" "start" "-a" "bb4a594c5aa7944e9fd5bfb07f42db79b53dc426ce77e448a80324452f6121fe", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/bitstream-a70844b8bd9fbde1
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test tests::test_reader_no_pad_empty ... ok
[INFO] [stdout] test tests::test_writer_no_pad ... ok
[INFO] [stdout] test tests::test_writer_no_pad_empty ... ok
[INFO] [stdout] test tests::test_writer_length_pad_empty ... ok
[INFO] [stdout] test tests::test_write_read_length_pad_empty ... ok
[INFO] [stdout] test tests::test_writer_length_pad ... ok
[INFO] [stdout] test tests::test_write_read_length_pad ... ok
[INFO] [stdout] test tests::test_reader_no_pad ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests bitstream
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - BitReader (line 46) ... ok
[INFO] [stdout] test src/lib.rs - BitReader<R, P>::with_padding (line 128) ... ok
[INFO] [stdout] test src/lib.rs - BitWriter (line 23) ... 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" "bb4a594c5aa7944e9fd5bfb07f42db79b53dc426ce77e448a80324452f6121fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb4a594c5aa7944e9fd5bfb07f42db79b53dc426ce77e448a80324452f6121fe", kill_on_drop: false }`
[INFO] [stdout] bb4a594c5aa7944e9fd5bfb07f42db79b53dc426ce77e448a80324452f6121fe