[INFO] fetching crate deepmesa 0.9.0...
[INFO] checking deepmesa-0.9.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate deepmesa 0.9.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate deepmesa 0.9.0 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate deepmesa 0.9.0
[INFO] finished tweaking crates.io crate deepmesa 0.9.0
[INFO] tweaked toml for crates.io crate deepmesa 0.9.0 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 4 packages
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded deepmesa-encoding v0.9.0
[INFO] [stderr]   Downloaded deepmesa-lists v0.9.0
[INFO] [stderr]   Downloaded deepmesa-collections v0.9.0
[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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4d1e1f560e4cf93e5d36bf3e4790bfbe96a84144b9aacbe19b045bfb1be7e372
[INFO] running `Command { std: "docker" "start" "-a" "4d1e1f560e4cf93e5d36bf3e4790bfbe96a84144b9aacbe19b045bfb1be7e372", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4d1e1f560e4cf93e5d36bf3e4790bfbe96a84144b9aacbe19b045bfb1be7e372", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d1e1f560e4cf93e5d36bf3e4790bfbe96a84144b9aacbe19b045bfb1be7e372", kill_on_drop: false }`
[INFO] [stdout] 4d1e1f560e4cf93e5d36bf3e4790bfbe96a84144b9aacbe19b045bfb1be7e372
[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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0c76a55755a94b0cce1e10056186cf9fe86f78c9cf9b5cac7214e44eeab68e08
[INFO] running `Command { std: "docker" "start" "-a" "0c76a55755a94b0cce1e10056186cf9fe86f78c9cf9b5cac7214e44eeab68e08", kill_on_drop: false }`
[INFO] [stderr]     Checking deepmesa-collections v0.9.0
[INFO] [stderr]     Checking deepmesa-lists v0.9.0
[INFO] [stderr]     Checking deepmesa-encoding v0.9.0
[INFO] [stderr]     Checking deepmesa v0.9.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.32s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: deepmesa-collections v0.9.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "0c76a55755a94b0cce1e10056186cf9fe86f78c9cf9b5cac7214e44eeab68e08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c76a55755a94b0cce1e10056186cf9fe86f78c9cf9b5cac7214e44eeab68e08", kill_on_drop: false }`
[INFO] [stdout] 0c76a55755a94b0cce1e10056186cf9fe86f78c9cf9b5cac7214e44eeab68e08
[INFO] checking deepmesa-0.9.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate deepmesa 0.9.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate deepmesa 0.9.0 on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate deepmesa 0.9.0
[INFO] finished tweaking crates.io crate deepmesa 0.9.0
[INFO] tweaked toml for crates.io crate deepmesa 0.9.0 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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eed167697e93628d95ab236e687b3239a629a4ffaaab812b8ca20ed1efd64769
[INFO] running `Command { std: "docker" "start" "-a" "eed167697e93628d95ab236e687b3239a629a4ffaaab812b8ca20ed1efd64769", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eed167697e93628d95ab236e687b3239a629a4ffaaab812b8ca20ed1efd64769", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eed167697e93628d95ab236e687b3239a629a4ffaaab812b8ca20ed1efd64769", kill_on_drop: false }`
[INFO] [stdout] eed167697e93628d95ab236e687b3239a629a4ffaaab812b8ca20ed1efd64769
[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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e0a8a906555739699e40c3632b91a60463f157cf6362420063626731424c92a
[INFO] running `Command { std: "docker" "start" "-a" "9e0a8a906555739699e40c3632b91a60463f157cf6362420063626731424c92a", kill_on_drop: false }`
[INFO] [stderr]     Checking deepmesa-collections v0.9.0
[INFO] [stderr]     Checking deepmesa-lists v0.9.0
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/deepmesa-collections-0.9.0/src/bitvec/traits.rs:714:17
[INFO] [stdout]     |
[INFO] [stdout] 714 | /                 match n {
[INFO] [stdout] 715 | |                     0 => return *self,
[INFO] [stdout] 716 | |                     $sz => return *self,
[INFO] [stdout] 717 | |                     _ => return *self >> ($sz - n),
[INFO] [stdout] 718 | |                 };
[INFO] [stdout]     | |_________________^ cannot infer type
[INFO] [stdout] ...
[INFO] [stdout] 739 |   impl_as_lsb0!(u8, 8);
[INFO] [stdout]     |   -------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `impl_as_lsb0` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `deepmesa-collections` (lib) due to 2 previous errors; 18 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "9e0a8a906555739699e40c3632b91a60463f157cf6362420063626731424c92a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e0a8a906555739699e40c3632b91a60463f157cf6362420063626731424c92a", kill_on_drop: false }`
[INFO] [stdout] 9e0a8a906555739699e40c3632b91a60463f157cf6362420063626731424c92a