[INFO] crate mockstream 0.0.3 is already in cache
[INFO] testing mockstream-0.0.3 against 1.45.2 for beta-1.46-1
[INFO] extracting crate mockstream 0.0.3 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate mockstream 0.0.3 on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mockstream 0.0.3
[INFO] finished tweaking crates.io crate mockstream 0.0.3
[INFO] tweaked toml for crates.io crate mockstream 0.0.3 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 26db160101ddbf62e7ec30017db111fe3c88a0d795d163796d4ab0061fa75836
[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" "26db160101ddbf62e7ec30017db111fe3c88a0d795d163796d4ab0061fa75836", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "26db160101ddbf62e7ec30017db111fe3c88a0d795d163796d4ab0061fa75836", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26db160101ddbf62e7ec30017db111fe3c88a0d795d163796d4ab0061fa75836", kill_on_drop: false }`
[INFO] [stdout] 26db160101ddbf62e7ec30017db111fe3c88a0d795d163796d4ab0061fa75836
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "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] f6fb1859657368022708818d6deb56aaa66fdb3a724cbf96e64586ebc8180bf5
[INFO] running `Command { std: "docker" "start" "-a" "f6fb1859657368022708818d6deb56aaa66fdb3a724cbf96e64586ebc8180bf5", kill_on_drop: false }`
[INFO] [stderr]    Compiling mockstream v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "f6fb1859657368022708818d6deb56aaa66fdb3a724cbf96e64586ebc8180bf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6fb1859657368022708818d6deb56aaa66fdb3a724cbf96e64586ebc8180bf5", kill_on_drop: false }`
[INFO] [stdout] f6fb1859657368022708818d6deb56aaa66fdb3a724cbf96e64586ebc8180bf5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e8c03b39429e0ec1d004bfed5a274a44788d832000ac2bb879d8ce89f04a62b
[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" "4e8c03b39429e0ec1d004bfed5a274a44788d832000ac2bb879d8ce89f04a62b", kill_on_drop: false }`
[INFO] [stderr]    Compiling mockstream v0.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/tests.rs:133:14
[INFO] [stdout]     |
[INFO] [stdout] 133 |     let count = try![s.read(v.as_mut())];
[INFO] [stdout]     |                 ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/tests.rs:48:19
[INFO] [stdout]    |
[INFO] [stdout] 48 |     assert_eq!(error.description(), "The dog ate the ethernet cable");
[INFO] [stdout]    |                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/tests.rs:91:19
[INFO] [stdout]    |
[INFO] [stdout] 91 |     assert_eq!(error.description(), "Access denied");
[INFO] [stdout]    |                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `Command { std: "docker" "inspect" "4e8c03b39429e0ec1d004bfed5a274a44788d832000ac2bb879d8ce89f04a62b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e8c03b39429e0ec1d004bfed5a274a44788d832000ac2bb879d8ce89f04a62b", kill_on_drop: false }`
[INFO] [stdout] 4e8c03b39429e0ec1d004bfed5a274a44788d832000ac2bb879d8ce89f04a62b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6795fa5f885758bace5f4cd7fdd2c137ca1c0f9485e554eea2c1de039c42e633
[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" "6795fa5f885758bace5f4cd7fdd2c137ca1c0f9485e554eea2c1de039c42e633", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/tests.rs:133:14
[INFO] [stderr]     |
[INFO] [stderr] 133 |     let count = try![s.read(v.as_mut())];
[INFO] [stderr]     |                 ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/tests.rs:48:19
[INFO] [stderr]    |
[INFO] [stderr] 48 |     assert_eq!(error.description(), "The dog ate the ethernet cable");
[INFO] [stderr]    |                      ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/tests.rs:91:19
[INFO] [stderr]    |
[INFO] [stderr] 91 |     assert_eq!(error.description(), "Access denied");
[INFO] [stderr]    |                      ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mockstream-f2628704e991b4f7
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test tests::test_mock_stream_empty_and_fill ... ok
[INFO] [stdout] test tests::test_mock_stream_pop_again ... ok
[INFO] [stdout] test tests::test_mock_stream_write ... ok
[INFO] [stdout] test tests::test_mock_stream_read ... ok
[INFO] [stdout] test tests::test_failing_mock_stream_chain ... ok
[INFO] [stdout] test tests::test_failing_mock_stream_write ... ok
[INFO] [stdout] test tests::test_failing_mock_stream_read ... ok
[INFO] [stdout] test tests::test_mock_stream_read_lines ... ok
[INFO] [stdout] test tests::test_shared_mock_stream ... ok
[INFO] [stderr]    Doc-tests mockstream
[INFO] [stdout] test tests::test_failing_mock_stream_chain_interrupted ... ok
[INFO] [stdout] test tests::test_sync_mock_stream ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - FailingMockStream (line 159) ... 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" "6795fa5f885758bace5f4cd7fdd2c137ca1c0f9485e554eea2c1de039c42e633", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6795fa5f885758bace5f4cd7fdd2c137ca1c0f9485e554eea2c1de039c42e633", kill_on_drop: false }`
[INFO] [stdout] 6795fa5f885758bace5f4cd7fdd2c137ca1c0f9485e554eea2c1de039c42e633