[INFO] fetching crate mail 0.7.0...
[INFO] checking mail-0.7.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate mail 0.7.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate mail 0.7.0 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 mail 0.7.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate mail 0.7.0
[INFO] tweaked toml for crates.io crate mail 0.7.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate mail 0.7.0 already has a lockfile, it will not be regenerated
[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]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quoted_printable v0.4.2
[INFO] [stderr]   Downloaded vec1 v1.5.0
[INFO] [stderr]   Downloaded tokio-tls v0.2.1
[INFO] [stderr]   Downloaded crossbeam-queue v0.2.2
[INFO] [stderr]   Downloaded openssl v0.10.29
[INFO] [stderr]   Downloaded mail-core v0.6.2
[INFO] [stderr]   Downloaded mail-template v0.6.1
[INFO] [stderr]   Downloaded soft-ascii-string v1.1.0
[INFO] [stderr]   Downloaded base64 v0.6.0
[INFO] [stderr]   Downloaded tokio-uds v0.2.6
[INFO] [stderr]   Downloaded vcpkg v0.2.9
[INFO] [stderr]   Downloaded quoted-string v0.6.1
[INFO] [stderr]   Downloaded media-type v0.4.0-unstable
[INFO] [stderr]   Downloaded vec-drain-where v1.0.1
[INFO] [stderr]   Downloaded media-type-impl-utils v0.3.0-unstable
[INFO] [stderr]   Downloaded mail-internals v0.2.3
[INFO] [stderr]   Downloaded checked_command v0.2.2
[INFO] [stderr]   Downloaded lut v0.1.0-unstable
[INFO] [stderr]   Downloaded total-order-multi-map v0.4.6
[INFO] [stderr]   Downloaded mail-smtp v0.3.0
[INFO] [stderr]   Downloaded mail-headers v0.6.6
[INFO] [stderr]   Downloaded new-tokio-smtp v0.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] b9081cd247e26638918d75c24a1d273c877735f72ea4fa48d8cd1bcfeb3e5bef
[INFO] running `Command { std: "docker" "start" "-a" "b9081cd247e26638918d75c24a1d273c877735f72ea4fa48d8cd1bcfeb3e5bef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b9081cd247e26638918d75c24a1d273c877735f72ea4fa48d8cd1bcfeb3e5bef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9081cd247e26638918d75c24a1d273c877735f72ea4fa48d8cd1bcfeb3e5bef", kill_on_drop: false }`
[INFO] [stdout] b9081cd247e26638918d75c24a1d273c877735f72ea4fa48d8cd1bcfeb3e5bef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 88e596e4638f291ad85ed99d27af115659fae54aae43c766b5bcaee2c5f982e2
[INFO] running `Command { std: "docker" "start" "-a" "88e596e4638f291ad85ed99d27af115659fae54aae43c766b5bcaee2c5f982e2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking futures v0.1.29
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling serde v1.0.111
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking gimli v0.21.0
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking smallvec v1.4.0
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking quoted-string v0.6.1
[INFO] [stderr]     Checking object v0.19.0
[INFO] [stderr]     Checking lut v0.1.0-unstable
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking unicode-normalization v0.1.12
[INFO] [stderr]     Checking media-type-impl-utils v0.3.0-unstable
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]     Checking safemem v0.2.0
[INFO] [stderr]     Checking media-type v0.4.0-unstable
[INFO] [stderr]     Checking vec-drain-where v1.0.1
[INFO] [stderr]     Checking soft-ascii-string v1.1.0
[INFO] [stderr]     Checking base64 v0.6.0
[INFO] [stderr]    Compiling checked_command v0.2.2
[INFO] [stderr]     Checking quoted_printable v0.4.2
[INFO] [stderr]     Checking total-order-multi-map v0.4.6
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]     Checking owning_ref v0.4.1
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking rpassword v2.1.0
[INFO] [stderr]     Checking tokio-sync v0.1.8
[INFO] [stderr]     Checking nom v3.2.1
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking tokio-executor v0.1.10
[INFO] [stderr]     Checking crossbeam-queue v0.2.2
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking tokio-timer v0.2.13
[INFO] [stderr]     Checking tokio-current-thread v0.1.7
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking tokio-codec v0.1.2
[INFO] [stderr]     Checking tokio-uds v0.2.6
[INFO] [stderr]     Checking tokio-udp v0.1.6
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking addr2line v0.12.1
[INFO] [stderr]     Checking tokio-fs v0.1.7
[INFO] [stderr]     Checking backtrace v0.3.48
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling serde_derive v1.0.111
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking vec1 v1.5.0
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking mail-internals v0.2.3
[INFO] [stderr]     Checking mail-headers v0.6.6
[INFO] [stderr]     Checking mail-core v0.6.2
[INFO] [stderr]     Checking mail-template v0.6.1
[INFO] [stderr]     Checking mail v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.86s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: lut v0.1.0-unstable, nom v3.2.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 4`
[INFO] running `Command { std: "docker" "inspect" "88e596e4638f291ad85ed99d27af115659fae54aae43c766b5bcaee2c5f982e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88e596e4638f291ad85ed99d27af115659fae54aae43c766b5bcaee2c5f982e2", kill_on_drop: false }`
[INFO] [stdout] 88e596e4638f291ad85ed99d27af115659fae54aae43c766b5bcaee2c5f982e2
[INFO] checking mail-0.7.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate mail 0.7.0 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate mail 0.7.0 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 mail 0.7.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate mail 0.7.0
[INFO] tweaked toml for crates.io crate mail 0.7.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate crates.io crate mail 0.7.0 already has a lockfile, it will not be regenerated
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 3496e80f7ecf6956fe7f73368d99a5a0499559b18dfe3782023810ee0ae911b4
[INFO] running `Command { std: "docker" "start" "-a" "3496e80f7ecf6956fe7f73368d99a5a0499559b18dfe3782023810ee0ae911b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3496e80f7ecf6956fe7f73368d99a5a0499559b18dfe3782023810ee0ae911b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3496e80f7ecf6956fe7f73368d99a5a0499559b18dfe3782023810ee0ae911b4", kill_on_drop: false }`
[INFO] [stdout] 3496e80f7ecf6956fe7f73368d99a5a0499559b18dfe3782023810ee0ae911b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 679faa86685a1bafbec8cccd16a1c18121d395e1309ac089327b23e1b9573f1f
[INFO] running `Command { std: "docker" "start" "-a" "679faa86685a1bafbec8cccd16a1c18121d395e1309ac089327b23e1b9573f1f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking futures v0.1.29
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling serde v1.0.111
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking gimli v0.21.0
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking quoted-string v0.6.1
[INFO] [stderr]     Checking smallvec v1.4.0
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking lut v0.1.0-unstable
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking object v0.19.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking media-type-impl-utils v0.3.0-unstable
[INFO] [stderr]     Checking unicode-normalization v0.1.12
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]     Checking safemem v0.2.0
[INFO] [stderr]     Checking base64 v0.6.0
[INFO] [stderr]     Checking media-type v0.4.0-unstable
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]     Checking quoted_printable v0.4.2
[INFO] [stderr]    Compiling checked_command v0.2.2
[INFO] [stderr]     Checking soft-ascii-string v1.1.0
[INFO] [stderr]     Checking vec-drain-where v1.0.1
[INFO] [stderr]     Checking owning_ref v0.4.1
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]     Checking total-order-multi-map v0.4.6
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking nom v3.2.1
[INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/bytes-0.4.12/src/buf/buf.rs:19:9
[INFO] [stdout]     |
[INFO] [stdout] 19  | /         if let Some(ret) = ret {
[INFO] [stdout] 20  | |              // if the direct convertion was possible, advance and return
[INFO] [stdout] 21  | |             $this.advance($size);
[INFO] [stdout] 22  | |             return ret;
[INFO] [stdout] ...   |
[INFO] [stdout] 27  | |             return $conv(&buf);
[INFO] [stdout] 28  | |         }
[INFO] [stdout]     | |_________^ cannot satisfy `_ -> _`
[INFO] [stdout] ...
[INFO] [stdout] 335 |           buf_get_impl!(self, 2, BigEndian::read_u16);
[INFO] [stdout]     |           ------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `buf_get_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/bytes-0.4.12/src/buf/buf.rs:19:9
[INFO] [stdout]     |
[INFO] [stdout] 19  | /         if let Some(ret) = ret {
[INFO] [stdout] 20  | |              // if the direct convertion was possible, advance and return
[INFO] [stdout] 21  | |             $this.advance($size);
[INFO] [stdout] 22  | |             return ret;
[INFO] [stdout] ...   |
[INFO] [stdout] 27  | |             return $conv(&buf);
[INFO] [stdout] 28  | |         }
[INFO] [stdout]     | |_________^ cannot satisfy `_ -> _`
[INFO] [stdout] ...
[INFO] [stdout] 356 |           buf_get_impl!(self, 2, LittleEndian::read_u16);
[INFO] [stdout]     |           ---------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `buf_get_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/bytes-0.4.12/src/buf/buf.rs:19:9
[INFO] [stdout]     |
[INFO] [stdout] 19  | /         if let Some(ret) = ret {
[INFO] [stdout] 20  | |              // if the direct convertion was possible, advance and return
[INFO] [stdout] 21  | |             $this.advance($size);
[INFO] [stdout] 22  | |             return ret;
[INFO] [stdout] ...   |
[INFO] [stdout] 27  | |             return $conv(&buf);
[INFO] [stdout] 28  | |         }
[INFO] [stdout]     | |_________^ cannot satisfy `_ -> _`
[INFO] [stdout] ...
[INFO] [stdout] 385 |           buf_get_impl!(self, 2, BigEndian::read_i16);
[INFO] [stdout]     |           ------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `buf_get_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/bytes-0.4.12/src/buf/buf.rs:19:9
[INFO] [stdout]     |
[INFO] [stdout] 19  | /         if let Some(ret) = ret {
[INFO] [stdout] 20  | |              // if the direct convertion was possible, advance and return
[INFO] [stdout] 21  | |             $this.advance($size);
[INFO] [stdout] 22  | |             return ret;
[INFO] [stdout] ...   |
[INFO] [stdout] 27  | |             return $conv(&buf);
[INFO] [stdout] 28  | |         }
[INFO] [stdout]     | |_________^ cannot satisfy `_ -> _`
[INFO] [stdout] ...
[INFO] [stdout] 406 |           buf_get_impl!(self, 2, LittleEndian::read_i16);
[INFO] [stdout]     |           ---------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `buf_get_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/bytes-0.4.12/src/buf/buf.rs:19:9
[INFO] [stdout]     |
[INFO] [stdout] 19  | /         if let Some(ret) = ret {
[INFO] [stdout] 20  | |              // if the direct convertion was possible, advance and return
[INFO] [stdout] 21  | |             $this.advance($size);
[INFO] [stdout] 22  | |             return ret;
[INFO] [stdout] ...   |
[INFO] [stdout] 27  | |             return $conv(&buf);
[INFO] [stdout] 28  | |         }
[INFO] [stdout]     | |_________^ cannot satisfy `_ -> _`
[INFO] [stdout] ...
[INFO] [stdout] 435 |           buf_get_impl!(self, 4, BigEndian::read_u32);
[INFO] [stdout]     |           ------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `buf_get_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/bytes-0.4.12/src/buf/buf.rs:19:9
[INFO] [stdout]     |
[INFO] [stdout] 19  | /         if let Some(ret) = ret {
[INFO] [stdout] 20  | |              // if the direct convertion was possible, advance and return
[INFO] [stdout] 21  | |             $this.advance($size);
[INFO] [stdout] 22  | |             return ret;
[INFO] [stdout] ...   |
[INFO] [stdout] 27  | |             return $conv(&buf);
[INFO] [stdout] 28  | |         }
[INFO] [stdout]     | |_________^ cannot satisfy `_ -> _`
[INFO] [stdout] ...
[INFO] [stdout] 456 |           buf_get_impl!(self, 4, LittleEndian::read_u32);
[INFO] [stdout]     |           ---------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `buf_get_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/bytes-0.4.12/src/buf/buf.rs:19:9
[INFO] [stdout]     |
[INFO] [stdout] 19  | /         if let Some(ret) = ret {
[INFO] [stdout] 20  | |              // if the direct convertion was possible, advance and return
[INFO] [stdout] 21  | |             $this.advance($size);
[INFO] [stdout] 22  | |             return ret;
[INFO] [stdout] ...   |
[INFO] [stdout] 27  | |             return $conv(&buf);
[INFO] [stdout] 28  | |         }
[INFO] [stdout]     | |_________^ cannot satisfy `_ -> _`
[INFO] [stdout] ...
[INFO] [stdout] 485 |           buf_get_impl!(self, 4, BigEndian::read_i32);
[INFO] [stdout]     |           ------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `buf_get_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/bytes-0.4.12/src/buf/buf.rs:19:9
[INFO] [stdout]     |
[INFO] [stdout] 19  | /         if let Some(ret) = ret {
[INFO] [stdout] 20  | |              // if the direct convertion was possible, advance and return
[INFO] [stdout] 21  | |             $this.advance($size);
[INFO] [stdout] 22  | |             return ret;
[INFO] [stdout] ...   |
[INFO] [stdout] 27  | |             return $conv(&buf);
[INFO] [stdout] 28  | |         }
[INFO] [stdout]     | |_________^ cannot satisfy `_ -> _`
[INFO] [stdout] ...
[INFO] [stdout] 506 |           buf_get_impl!(self, 4, LittleEndian::read_i32);
[INFO] [stdout]     |           ---------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `buf_get_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/bytes-0.4.12/src/buf/buf.rs:19:9
[INFO] [stdout]     |
[INFO] [stdout] 19  | /         if let Some(ret) = ret {
[INFO] [stdout] 20  | |              // if the direct convertion was possible, advance and return
[INFO] [stdout] 21  | |             $this.advance($size);
[INFO] [stdout] 22  | |             return ret;
[INFO] [stdout] ...   |
[INFO] [stdout] 27  | |             return $conv(&buf);
[INFO] [stdout] 28  | |         }
[INFO] [stdout]     | |_________^ cannot satisfy `_ -> _`
[INFO] [stdout] ...
[INFO] [stdout] 535 |           buf_get_impl!(self, 8, BigEndian::read_u64);
[INFO] [stdout]     |           ------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `buf_get_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/bytes-0.4.12/src/buf/buf.rs:19:9
[INFO] [stdout]     |
[INFO] [stdout] 19  | /         if let Some(ret) = ret {
[INFO] [stdout] 20  | |              // if the direct convertion was possible, advance and return
[INFO] [stdout] 21  | |             $this.advance($size);
[INFO] [stdout] 22  | |             return ret;
[INFO] [stdout] ...   |
[INFO] [stdout] 27  | |             return $conv(&buf);
[INFO] [stdout] 28  | |         }
[INFO] [stdout]     | |_________^ cannot satisfy `_ -> _`
[INFO] [stdout] ...
[INFO] [stdout] 556 |           buf_get_impl!(self, 8, LittleEndian::read_u64);
[INFO] [stdout]     |           ---------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `buf_get_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/bytes-0.4.12/src/buf/buf.rs:19:9
[INFO] [stdout]     |
[INFO] [stdout] 19  | /         if let Some(ret) = ret {
[INFO] [stdout] 20  | |              // if the direct convertion was possible, advance and return
[INFO] [stdout] 21  | |             $this.advance($size);
[INFO] [stdout] 22  | |             return ret;
[INFO] [stdout] ...   |
[INFO] [stdout] 27  | |             return $conv(&buf);
[INFO] [stdout] 28  | |         }
[INFO] [stdout]     | |_________^ cannot satisfy `_ -> _`
[INFO] [stdout] ...
[INFO] [stdout] 585 |           buf_get_impl!(self, 8, BigEndian::read_i64);
[INFO] [stdout]     |           ------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `buf_get_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/bytes-0.4.12/src/buf/buf.rs:19:9
[INFO] [stdout]     |
[INFO] [stdout] 19  | /         if let Some(ret) = ret {
[INFO] [stdout] 20  | |              // if the direct convertion was possible, advance and return
[INFO] [stdout] 21  | |             $this.advance($size);
[INFO] [stdout] 22  | |             return ret;
[INFO] [stdout] ...   |
[INFO] [stdout] 27  | |             return $conv(&buf);
[INFO] [stdout] 28  | |         }
[INFO] [stdout]     | |_________^ cannot satisfy `_ -> _`
[INFO] [stdout] ...
[INFO] [stdout] 606 |           buf_get_impl!(self, 8, LittleEndian::read_i64);
[INFO] [stdout]     |           ---------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `buf_get_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/bytes-0.4.12/src/buf/buf.rs:19:9
[INFO] [stdout]     |
[INFO] [stdout] 19  | /         if let Some(ret) = ret {
[INFO] [stdout] 20  | |              // if the direct convertion was possible, advance and return
[INFO] [stdout] 21  | |             $this.advance($size);
[INFO] [stdout] 22  | |             return ret;
[INFO] [stdout] ...   |
[INFO] [stdout] 27  | |             return $conv(&buf);
[INFO] [stdout] 28  | |         }
[INFO] [stdout]     | |_________^ cannot satisfy `_ -> _`
[INFO] [stdout] ...
[INFO] [stdout] 828 |           buf_get_impl!(self, 4, BigEndian::read_f32);
[INFO] [stdout]     |           ------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `buf_get_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/bytes-0.4.12/src/buf/buf.rs:19:9
[INFO] [stdout]     |
[INFO] [stdout] 19  | /         if let Some(ret) = ret {
[INFO] [stdout] 20  | |              // if the direct convertion was possible, advance and return
[INFO] [stdout] 21  | |             $this.advance($size);
[INFO] [stdout] 22  | |             return ret;
[INFO] [stdout] ...   |
[INFO] [stdout] 27  | |             return $conv(&buf);
[INFO] [stdout] 28  | |         }
[INFO] [stdout]     | |_________^ cannot satisfy `_ -> _`
[INFO] [stdout] ...
[INFO] [stdout] 850 |           buf_get_impl!(self, 4, LittleEndian::read_f32);
[INFO] [stdout]     |           ---------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `buf_get_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/bytes-0.4.12/src/buf/buf.rs:19:9
[INFO] [stdout]     |
[INFO] [stdout] 19  | /         if let Some(ret) = ret {
[INFO] [stdout] 20  | |              // if the direct convertion was possible, advance and return
[INFO] [stdout] 21  | |             $this.advance($size);
[INFO] [stdout] 22  | |             return ret;
[INFO] [stdout] ...   |
[INFO] [stdout] 27  | |             return $conv(&buf);
[INFO] [stdout] 28  | |         }
[INFO] [stdout]     | |_________^ cannot satisfy `_ -> _`
[INFO] [stdout] ...
[INFO] [stdout] 880 |           buf_get_impl!(self, 8, BigEndian::read_f64);
[INFO] [stdout]     |           ------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `buf_get_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/bytes-0.4.12/src/buf/buf.rs:19:9
[INFO] [stdout]     |
[INFO] [stdout] 19  | /         if let Some(ret) = ret {
[INFO] [stdout] 20  | |              // if the direct convertion was possible, advance and return
[INFO] [stdout] 21  | |             $this.advance($size);
[INFO] [stdout] 22  | |             return ret;
[INFO] [stdout] ...   |
[INFO] [stdout] 27  | |             return $conv(&buf);
[INFO] [stdout] 28  | |         }
[INFO] [stdout]     | |_________^ cannot satisfy `_ -> _`
[INFO] [stdout] ...
[INFO] [stdout] 902 |           buf_get_impl!(self, 8, LittleEndian::read_f64);
[INFO] [stdout]     |           ---------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `buf_get_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking maybe-owned v0.3.4
[INFO] [stdout] error: aborting due to 16 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0284`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bytes` (lib) due to 17 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "679faa86685a1bafbec8cccd16a1c18121d395e1309ac089327b23e1b9573f1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "679faa86685a1bafbec8cccd16a1c18121d395e1309ac089327b23e1b9573f1f", kill_on_drop: false }`
[INFO] [stdout] 679faa86685a1bafbec8cccd16a1c18121d395e1309ac089327b23e1b9573f1f