[INFO] fetching crate tokio-stdin 0.1.2...
[INFO] testing tokio-stdin-0.1.2 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate tokio-stdin 0.1.2 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate tokio-stdin 0.1.2 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tokio-stdin 0.1.2
[INFO] finished tweaking crates.io crate tokio-stdin 0.1.2
[INFO] tweaked toml for crates.io crate tokio-stdin 0.1.2 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 926d8b6bed4160e5e26c3597f4c47be2b64d62f4885b85efd16367c6061cd548
[INFO] running `Command { std: "docker" "start" "-a" "926d8b6bed4160e5e26c3597f4c47be2b64d62f4885b85efd16367c6061cd548", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "926d8b6bed4160e5e26c3597f4c47be2b64d62f4885b85efd16367c6061cd548", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "926d8b6bed4160e5e26c3597f4c47be2b64d62f4885b85efd16367c6061cd548", kill_on_drop: false }`
[INFO] [stdout] 926d8b6bed4160e5e26c3597f4c47be2b64d62f4885b85efd16367c6061cd548
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3a73f96403af9fd73fe618c48e9eacb67f4f85afed7f5ab979a92f35be5eedf0
[INFO] running `Command { std: "docker" "start" "-a" "3a73f96403af9fd73fe618c48e9eacb67f4f85afed7f5ab979a92f35be5eedf0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling tokio-stdin v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `futures::stream::MapErr` in tuple element 0 that must be used
[INFO] [stdout]   --> src/lib.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 55 | /         iter(stdin_lock.bytes())
[INFO] [stdout] 56 | |             .map_err(Error::Stdin)
[INFO] [stdout] 57 | |             .forward(stdin_sink)
[INFO] [stdout] 58 | |             .wait()
[INFO] [stdout] 59 | |             .unwrap();
[INFO] [stdout]    | |______________________^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 | #![deny(warnings)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` implied by `#[warn(warnings)]`
[INFO] [stdout]    = note: streams do nothing unless polled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `SinkMapErr` in tuple element 1 that must be used
[INFO] [stdout]   --> src/lib.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 55 | /         iter(stdin_lock.bytes())
[INFO] [stdout] 56 | |             .map_err(Error::Stdin)
[INFO] [stdout] 57 | |             .forward(stdin_sink)
[INFO] [stdout] 58 | |             .wait()
[INFO] [stdout] 59 | |             .unwrap();
[INFO] [stdout]    | |______________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: sinks do nothing unless polled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `futures::stream::MapErr` in tuple element 0 that must be used
[INFO] [stdout]   --> src/lib.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 | /         iter(stdin_lock.bytes())
[INFO] [stdout] 74 | |             .map_err(Error::Stdin)
[INFO] [stdout] 75 | |             .forward(stdin_sink)
[INFO] [stdout] 76 | |             .wait()
[INFO] [stdout] 77 | |             .unwrap();
[INFO] [stdout]    | |______________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: streams do nothing unless polled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `SinkMapErr` in tuple element 1 that must be used
[INFO] [stdout]   --> src/lib.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 | /         iter(stdin_lock.bytes())
[INFO] [stdout] 74 | |             .map_err(Error::Stdin)
[INFO] [stdout] 75 | |             .forward(stdin_sink)
[INFO] [stdout] 76 | |             .wait()
[INFO] [stdout] 77 | |             .unwrap();
[INFO] [stdout]    | |______________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: sinks do nothing unless polled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `Command { std: "docker" "inspect" "3a73f96403af9fd73fe618c48e9eacb67f4f85afed7f5ab979a92f35be5eedf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a73f96403af9fd73fe618c48e9eacb67f4f85afed7f5ab979a92f35be5eedf0", kill_on_drop: false }`
[INFO] [stdout] 3a73f96403af9fd73fe618c48e9eacb67f4f85afed7f5ab979a92f35be5eedf0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e9e85de97726051748510db2cf739233e9f4016bd9acd62d484c03694f0c1ec0
[INFO] running `Command { std: "docker" "start" "-a" "e9e85de97726051748510db2cf739233e9f4016bd9acd62d484c03694f0c1ec0", kill_on_drop: false }`
[INFO] [stderr]    Compiling slab v0.3.0
[INFO] [stdout] warning: unused `futures::stream::MapErr` in tuple element 0 that must be used
[INFO] [stdout]   --> src/lib.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 55 | /         iter(stdin_lock.bytes())
[INFO] [stdout] 56 | |             .map_err(Error::Stdin)
[INFO] [stdout] 57 | |             .forward(stdin_sink)
[INFO] [stdout] 58 | |             .wait()
[INFO] [stdout] 59 | |             .unwrap();
[INFO] [stdout]    | |______________________^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 | #![deny(warnings)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` implied by `#[warn(warnings)]`
[INFO] [stdout]    = note: streams do nothing unless polled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `SinkMapErr` in tuple element 1 that must be used
[INFO] [stdout]   --> src/lib.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 55 | /         iter(stdin_lock.bytes())
[INFO] [stdout] 56 | |             .map_err(Error::Stdin)
[INFO] [stdout] 57 | |             .forward(stdin_sink)
[INFO] [stdout] 58 | |             .wait()
[INFO] [stdout] 59 | |             .unwrap();
[INFO] [stdout]    | |______________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: sinks do nothing unless polled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `futures::stream::MapErr` in tuple element 0 that must be used
[INFO] [stdout]   --> src/lib.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 | /         iter(stdin_lock.bytes())
[INFO] [stdout] 74 | |             .map_err(Error::Stdin)
[INFO] [stdout] 75 | |             .forward(stdin_sink)
[INFO] [stdout] 76 | |             .wait()
[INFO] [stdout] 77 | |             .unwrap();
[INFO] [stdout]    | |______________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: streams do nothing unless polled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `SinkMapErr` in tuple element 1 that must be used
[INFO] [stdout]   --> src/lib.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 | /         iter(stdin_lock.bytes())
[INFO] [stdout] 74 | |             .map_err(Error::Stdin)
[INFO] [stdout] 75 | |             .forward(stdin_sink)
[INFO] [stdout] 76 | |             .wait()
[INFO] [stdout] 77 | |             .unwrap();
[INFO] [stdout]    | |______________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: sinks do nothing unless polled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tokio-timer v0.1.2
[INFO] [stderr]    Compiling tokio-stdin v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `futures::stream::MapErr` in tuple element 0 that must be used
[INFO] [stdout]   --> src/lib.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 55 | /         iter(stdin_lock.bytes())
[INFO] [stdout] 56 | |             .map_err(Error::Stdin)
[INFO] [stdout] 57 | |             .forward(stdin_sink)
[INFO] [stdout] 58 | |             .wait()
[INFO] [stdout] 59 | |             .unwrap();
[INFO] [stdout]    | |______________________^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 | #![deny(warnings)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` implied by `#[warn(warnings)]`
[INFO] [stdout]    = note: streams do nothing unless polled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `SinkMapErr` in tuple element 1 that must be used
[INFO] [stdout]   --> src/lib.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 55 | /         iter(stdin_lock.bytes())
[INFO] [stdout] 56 | |             .map_err(Error::Stdin)
[INFO] [stdout] 57 | |             .forward(stdin_sink)
[INFO] [stdout] 58 | |             .wait()
[INFO] [stdout] 59 | |             .unwrap();
[INFO] [stdout]    | |______________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: sinks do nothing unless polled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `futures::stream::MapErr` in tuple element 0 that must be used
[INFO] [stdout]   --> src/lib.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 | /         iter(stdin_lock.bytes())
[INFO] [stdout] 74 | |             .map_err(Error::Stdin)
[INFO] [stdout] 75 | |             .forward(stdin_sink)
[INFO] [stdout] 76 | |             .wait()
[INFO] [stdout] 77 | |             .unwrap();
[INFO] [stdout]    | |______________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: streams do nothing unless polled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `SinkMapErr` in tuple element 1 that must be used
[INFO] [stdout]   --> src/lib.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 | /         iter(stdin_lock.bytes())
[INFO] [stdout] 74 | |             .map_err(Error::Stdin)
[INFO] [stdout] 75 | |             .forward(stdin_sink)
[INFO] [stdout] 76 | |             .wait()
[INFO] [stdout] 77 | |             .unwrap();
[INFO] [stdout]    | |______________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: sinks do nothing unless polled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.35s
[INFO] running `Command { std: "docker" "inspect" "e9e85de97726051748510db2cf739233e9f4016bd9acd62d484c03694f0c1ec0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9e85de97726051748510db2cf739233e9f4016bd9acd62d484c03694f0c1ec0", kill_on_drop: false }`
[INFO] [stdout] e9e85de97726051748510db2cf739233e9f4016bd9acd62d484c03694f0c1ec0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2c787be9c521c5be21ca8733b2a9570fbcb2bac181ed2b53ea69e19051372f59
[INFO] running `Command { std: "docker" "start" "-a" "2c787be9c521c5be21ca8733b2a9570fbcb2bac181ed2b53ea69e19051372f59", kill_on_drop: false }`
[INFO] [stderr] warning: unused `futures::stream::MapErr` in tuple element 0 that must be used
[INFO] [stderr]   --> src/lib.rs:55:9
[INFO] [stderr]    |
[INFO] [stderr] 55 | /         iter(stdin_lock.bytes())
[INFO] [stderr] 56 | |             .map_err(Error::Stdin)
[INFO] [stderr] 57 | |             .forward(stdin_sink)
[INFO] [stderr] 58 | |             .wait()
[INFO] [stderr] 59 | |             .unwrap();
[INFO] [stderr]    | |______________________^
[INFO] [stderr]    |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]   --> src/lib.rs:30:9
[INFO] [stderr]    |
[INFO] [stderr] 30 | #![deny(warnings)]
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` implied by `#[warn(warnings)]`
[INFO] [stderr]    = note: streams do nothing unless polled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `SinkMapErr` in tuple element 1 that must be used
[INFO] [stderr]   --> src/lib.rs:55:9
[INFO] [stderr]    |
[INFO] [stderr] 55 | /         iter(stdin_lock.bytes())
[INFO] [stderr] 56 | |             .map_err(Error::Stdin)
[INFO] [stderr] 57 | |             .forward(stdin_sink)
[INFO] [stderr] 58 | |             .wait()
[INFO] [stderr] 59 | |             .unwrap();
[INFO] [stderr]    | |______________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: sinks do nothing unless polled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `futures::stream::MapErr` in tuple element 0 that must be used
[INFO] [stderr]   --> src/lib.rs:73:9
[INFO] [stderr]    |
[INFO] [stderr] 73 | /         iter(stdin_lock.bytes())
[INFO] [stderr] 74 | |             .map_err(Error::Stdin)
[INFO] [stderr] 75 | |             .forward(stdin_sink)
[INFO] [stderr] 76 | |             .wait()
[INFO] [stderr] 77 | |             .unwrap();
[INFO] [stderr]    | |______________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: streams do nothing unless polled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `SinkMapErr` in tuple element 1 that must be used
[INFO] [stderr]   --> src/lib.rs:73:9
[INFO] [stderr]    |
[INFO] [stderr] 73 | /         iter(stdin_lock.bytes())
[INFO] [stderr] 74 | |             .map_err(Error::Stdin)
[INFO] [stderr] 75 | |             .forward(stdin_sink)
[INFO] [stderr] 76 | |             .wait()
[INFO] [stderr] 77 | |             .unwrap();
[INFO] [stderr]    | |______________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: sinks do nothing unless polled
[INFO] [stderr] 
[INFO] [stderr] warning: `tokio-stdin` (lib) generated 4 warnings
[INFO] [stderr] warning: `tokio-stdin` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tokio_stdin-854e2f65634af16f)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tokio-stdin
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 7) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.19s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2c787be9c521c5be21ca8733b2a9570fbcb2bac181ed2b53ea69e19051372f59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c787be9c521c5be21ca8733b2a9570fbcb2bac181ed2b53ea69e19051372f59", kill_on_drop: false }`
[INFO] [stdout] 2c787be9c521c5be21ca8733b2a9570fbcb2bac181ed2b53ea69e19051372f59