[INFO] fetching crate mio-byte-fifo 0.1.3...
[INFO] testing mio-byte-fifo-0.1.3 against beta-2020-10-09 for beta-1.48-1
[INFO] extracting crate mio-byte-fifo 0.1.3 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate mio-byte-fifo 0.1.3 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mio-byte-fifo 0.1.3
[INFO] finished tweaking crates.io crate mio-byte-fifo 0.1.3
[INFO] tweaked toml for crates.io crate mio-byte-fifo 0.1.3 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ringbuf v0.1.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3fd3049c7ce1967ca2ad282992ca94c21e1351c411d75f7c348599123f02cb09
[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" "3fd3049c7ce1967ca2ad282992ca94c21e1351c411d75f7c348599123f02cb09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3fd3049c7ce1967ca2ad282992ca94c21e1351c411d75f7c348599123f02cb09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fd3049c7ce1967ca2ad282992ca94c21e1351c411d75f7c348599123f02cb09", kill_on_drop: false }`
[INFO] [stdout] 3fd3049c7ce1967ca2ad282992ca94c21e1351c411d75f7c348599123f02cb09
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2a448ea11f654ab130ff95ce6984ef65834343f046baa5ab6234173fc2762b5e
[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" "2a448ea11f654ab130ff95ce6984ef65834343f046baa5ab6234173fc2762b5e", kill_on_drop: false }`
[INFO] [stderr]    Compiling ringbuf v0.1.9
[INFO] [stderr]    Compiling mio-byte-fifo v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `Command { std: "docker" "inspect" "2a448ea11f654ab130ff95ce6984ef65834343f046baa5ab6234173fc2762b5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a448ea11f654ab130ff95ce6984ef65834343f046baa5ab6234173fc2762b5e", kill_on_drop: false }`
[INFO] [stdout] 2a448ea11f654ab130ff95ce6984ef65834343f046baa5ab6234173fc2762b5e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a0e91652339929a5b7fe3f23e0ea4398d2782fd7233c1a65d840d27a5d81ec98
[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" "a0e91652339929a5b7fe3f23e0ea4398d2782fd7233c1a65d840d27a5d81ec98", kill_on_drop: false }`
[INFO] [stderr]    Compiling mio-byte-fifo v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:628:51
[INFO] [stdout]     |
[INFO] [stdout] 628 |                 assert_eq!(err.get_ref().unwrap().description(), "Ring buffer is empty");
[INFO] [stdout]     |                                                   ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:643:51
[INFO] [stdout]     |
[INFO] [stdout] 643 |                 assert_eq!(err.get_ref().unwrap().description(), "Ring buffer is full");
[INFO] [stdout]     |                                                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:694:53
[INFO] [stdout]     |
[INFO] [stdout] 694 |                     assert_eq!(e.get_ref().unwrap().description(), "Ring buffer is empty");
[INFO] [stdout]     |                                                     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:712:53
[INFO] [stdout]     |
[INFO] [stdout] 712 |                     assert_eq!(e.get_ref().unwrap().description(), "Ring buffer is full");
[INFO] [stdout]     |                                                     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:733:51
[INFO] [stdout]     |
[INFO] [stdout] 733 |                 assert_eq!(err.get_ref().unwrap().description(), "Consumer was closed");
[INFO] [stdout]     |                                                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:759:51
[INFO] [stdout]     |
[INFO] [stdout] 759 |                 assert_eq!(err.get_ref().unwrap().description(), "Producer was closed");
[INFO] [stdout]     |                                                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.35s
[INFO] running `Command { std: "docker" "inspect" "a0e91652339929a5b7fe3f23e0ea4398d2782fd7233c1a65d840d27a5d81ec98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0e91652339929a5b7fe3f23e0ea4398d2782fd7233c1a65d840d27a5d81ec98", kill_on_drop: false }`
[INFO] [stdout] a0e91652339929a5b7fe3f23e0ea4398d2782fd7233c1a65d840d27a5d81ec98
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3aabd0dda59d8356c43388e0a52bab526eef1d8e0fb9a32c84f6c195274dceb3
[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" "3aabd0dda59d8356c43388e0a52bab526eef1d8e0fb9a32c84f6c195274dceb3", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:628:51
[INFO] [stderr]     |
[INFO] [stderr] 628 |                 assert_eq!(err.get_ref().unwrap().description(), "Ring buffer is empty");
[INFO] [stderr]     |                                                   ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:643:51
[INFO] [stderr]     |
[INFO] [stderr] 643 |                 assert_eq!(err.get_ref().unwrap().description(), "Ring buffer is full");
[INFO] [stderr]     |                                                   ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:694:53
[INFO] [stderr]     |
[INFO] [stderr] 694 |                     assert_eq!(e.get_ref().unwrap().description(), "Ring buffer is empty");
[INFO] [stderr]     |                                                     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:712:53
[INFO] [stderr]     |
[INFO] [stderr] 712 |                     assert_eq!(e.get_ref().unwrap().description(), "Ring buffer is full");
[INFO] [stderr]     |                                                     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:733:51
[INFO] [stderr]     |
[INFO] [stderr] 733 |                 assert_eq!(err.get_ref().unwrap().description(), "Consumer was closed");
[INFO] [stderr]     |                                                   ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:759:51
[INFO] [stderr]     |
[INFO] [stderr] 759 |                 assert_eq!(err.get_ref().unwrap().description(), "Producer was closed");
[INFO] [stderr]     |                                                   ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mio_byte_fifo-9277590ad37a227a
[INFO] [stdout] 
[INFO] [stdout] running 24 tests
[INFO] [stdout] test test::close_cons ... ok
[INFO] [stdout] test test::close_prod ... ok
[INFO] [stdout] test test::read_block ... ok
[INFO] [stdout] test test::write_block ... ok
[INFO] [stdout] test test::write_read ... ok
[INFO] [stdout] test test::write_read_concat ... ok
[INFO] [stdout] test test::write_read_full ... ok
[INFO] [stdout] test test::write_read_empty ... ok
[INFO] [stdout] test test::write_read_transmit ... ok
[INFO] [stdout] test test::write_read_split ... ok
[INFO] [stdout] test test::read_transmit_block ... ok
[INFO] [stdout] test test::write_read_transmit_concat ... ok
[INFO] [stdout] test test::write_read_transmit_split ... ok
[INFO] [stdout] test test::write_transmit_block ... ok
[INFO] [stdout] test test::poll_cons_close ... ok
[INFO] [stdout] test test::reg_drop ... ok
[INFO] [stdout] test test::reg_set_r ... ok
[INFO] [stdout] test test::reg_set_w ... ok
[INFO] [stdout] test test::poll_prod_close ... ok
[INFO] [stdout] test test::poll_prod_cons ... ok
[INFO] [stdout] test test::dereg_reg ... ok
[INFO] [stdout] test test::reg_set_twice ... ok
[INFO] [stdout] test test::poll_cons ... ok
[INFO] [stdout] test test::poll_prod ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 24 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mio-byte-fifo
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 5) ... ok
[INFO] [stdout] test src/lib.rs - (line 27) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3aabd0dda59d8356c43388e0a52bab526eef1d8e0fb9a32c84f6c195274dceb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3aabd0dda59d8356c43388e0a52bab526eef1d8e0fb9a32c84f6c195274dceb3", kill_on_drop: false }`
[INFO] [stdout] 3aabd0dda59d8356c43388e0a52bab526eef1d8e0fb9a32c84f6c195274dceb3
