[INFO] fetching crate tokio-mockstream 1.1.0...
[INFO] checking tokio-mockstream-1.1.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate tokio-mockstream 1.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate tokio-mockstream 1.1.0 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tokio-mockstream 1.1.0
[INFO] finished tweaking crates.io crate tokio-mockstream 1.1.0
[INFO] tweaked toml for crates.io crate tokio-mockstream 1.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 8 packages
[INFO] [stderr]       Adding bytes v0.4.12 (latest: v1.6.0)
[INFO] [stderr]       Adding futures v0.1.31 (latest: v0.3.30)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b00f8f339edda2fea079a97333e76364c07a8619d4fc446fb113282ba760144c
[INFO] running `Command { std: "docker" "start" "-a" "b00f8f339edda2fea079a97333e76364c07a8619d4fc446fb113282ba760144c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b00f8f339edda2fea079a97333e76364c07a8619d4fc446fb113282ba760144c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b00f8f339edda2fea079a97333e76364c07a8619d4fc446fb113282ba760144c", kill_on_drop: false }`
[INFO] [stdout] b00f8f339edda2fea079a97333e76364c07a8619d4fc446fb113282ba760144c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c98632c63dd3271b83c4dece1bf81ec4e03291598b8a274961658ec45e8be57
[INFO] running `Command { std: "docker" "start" "-a" "5c98632c63dd3271b83c4dece1bf81ec4e03291598b8a274961658ec45e8be57", kill_on_drop: false }`
[INFO] [stderr]     Checking tokio-mockstream v1.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated method `tokio_io::AsyncRead::framed`: Use tokio_codec::Decoder::framed instead
[INFO] [stdout]   --> src/tests.rs:13:38
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let stream = MockStream::empty().framed(LineCodec);
[INFO] [stdout]    |                                      ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `tokio_io::AsyncRead::framed`: Use tokio_codec::Decoder::framed instead
[INFO] [stdout]   --> src/tests.rs:26:57
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let mut iter = MockStream::new(b"Hello\nGoodbye\n").framed(LineCodec).wait();
[INFO] [stdout]    |                                                         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "5c98632c63dd3271b83c4dece1bf81ec4e03291598b8a274961658ec45e8be57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c98632c63dd3271b83c4dece1bf81ec4e03291598b8a274961658ec45e8be57", kill_on_drop: false }`
[INFO] [stdout] 5c98632c63dd3271b83c4dece1bf81ec4e03291598b8a274961658ec45e8be57
[INFO] checking tokio-mockstream-1.1.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate tokio-mockstream 1.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate tokio-mockstream 1.1.0 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tokio-mockstream 1.1.0
[INFO] finished tweaking crates.io crate tokio-mockstream 1.1.0
[INFO] tweaked toml for crates.io crate tokio-mockstream 1.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 8 packages
[INFO] [stderr]       Adding bytes v0.4.12 (latest: v1.6.0)
[INFO] [stderr]       Adding futures v0.1.31 (latest: v0.3.30)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 314f98f863b85090cd381fb81928fb31b974670547aaa70be7f15fdb2dd764a2
[INFO] running `Command { std: "docker" "start" "-a" "314f98f863b85090cd381fb81928fb31b974670547aaa70be7f15fdb2dd764a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "314f98f863b85090cd381fb81928fb31b974670547aaa70be7f15fdb2dd764a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "314f98f863b85090cd381fb81928fb31b974670547aaa70be7f15fdb2dd764a2", kill_on_drop: false }`
[INFO] [stdout] 314f98f863b85090cd381fb81928fb31b974670547aaa70be7f15fdb2dd764a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 65a3abc1357d6fa12e8a7951a302635a4fe50c14587bd2a45183ff61bfd3542f
[INFO] running `Command { std: "docker" "start" "-a" "65a3abc1357d6fa12e8a7951a302635a4fe50c14587bd2a45183ff61bfd3542f", kill_on_drop: false }`
[INFO] [stderr]     Checking tokio-mockstream v1.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated method `tokio_io::AsyncRead::framed`: Use tokio_codec::Decoder::framed instead
[INFO] [stdout]   --> src/tests.rs:13:38
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let stream = MockStream::empty().framed(LineCodec);
[INFO] [stdout]    |                                      ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `tokio_io::AsyncRead::framed`: Use tokio_codec::Decoder::framed instead
[INFO] [stdout]   --> src/tests.rs:26:57
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let mut iter = MockStream::new(b"Hello\nGoodbye\n").framed(LineCodec).wait();
[INFO] [stdout]    |                                                         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "65a3abc1357d6fa12e8a7951a302635a4fe50c14587bd2a45183ff61bfd3542f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65a3abc1357d6fa12e8a7951a302635a4fe50c14587bd2a45183ff61bfd3542f", kill_on_drop: false }`
[INFO] [stdout] 65a3abc1357d6fa12e8a7951a302635a4fe50c14587bd2a45183ff61bfd3542f