[INFO] cloning repository https://github.com/7h3qu1rkyb1t/m3-client
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/7h3qu1rkyb1t/m3-client" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F7h3qu1rkyb1t%2Fm3-client", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F7h3qu1rkyb1t%2Fm3-client'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 912a16c998afd3764c0420d64b39fbadced42653
[INFO] checking 7h3qu1rkyb1t/m3-client against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F7h3qu1rkyb1t%2Fm3-client" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/7h3qu1rkyb1t/m3-client 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 git repo https://github.com/7h3qu1rkyb1t/m3-client
[INFO] finished tweaking git repo https://github.com/7h3qu1rkyb1t/m3-client
[INFO] tweaked toml for git repo https://github.com/7h3qu1rkyb1t/m3-client written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/7h3qu1rkyb1t/m3-client 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]  Downloading crates ...
[INFO] [stderr]   Downloaded minimp3 v0.3.5
[INFO] [stderr]   Downloaded coreaudio-sys v0.2.5
[INFO] [stderr]   Downloaded cpal v0.11.0
[INFO] [stderr]   Downloaded rodio v0.11.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 5ce72a37931868677a839699a0fe3d77f8f9d55347a7f15c6323115e87c64912
[INFO] running `Command { std: "docker" "start" "-a" "5ce72a37931868677a839699a0fe3d77f8f9d55347a7f15c6323115e87c64912", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5ce72a37931868677a839699a0fe3d77f8f9d55347a7f15c6323115e87c64912", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ce72a37931868677a839699a0fe3d77f8f9d55347a7f15c6323115e87c64912", kill_on_drop: false }`
[INFO] [stdout] 5ce72a37931868677a839699a0fe3d77f8f9d55347a7f15c6323115e87c64912
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 8086db92e70cc98e01af0bbd761e863042c19cedeecf9f9f5f25e391af2cc1d0
[INFO] running `Command { std: "docker" "start" "-a" "8086db92e70cc98e01af0bbd761e863042c19cedeecf9f9f5f25e391af2cc1d0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.20
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling syn v1.0.40
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]    Compiling cc v1.0.59
[INFO] [stderr]    Compiling cpal v0.11.0
[INFO] [stderr]     Checking tinyvec v0.3.4
[INFO] [stderr]     Checking hound v3.4.0
[INFO] [stderr]     Checking claxon v0.4.3
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]     Checking ogg v0.7.0
[INFO] [stderr]     Checking lewton v0.10.1
[INFO] [stderr]    Compiling alsa-sys v0.1.2
[INFO] [stderr]    Compiling minimp3-sys v0.3.2
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking slice-deque v0.3.0
[INFO] [stderr]     Checking minimp3 v0.3.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking rodio v0.11.0
[INFO] [stderr]     Checking m3-client v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.62s
[INFO] running `Command { std: "docker" "inspect" "8086db92e70cc98e01af0bbd761e863042c19cedeecf9f9f5f25e391af2cc1d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8086db92e70cc98e01af0bbd761e863042c19cedeecf9f9f5f25e391af2cc1d0", kill_on_drop: false }`
[INFO] [stdout] 8086db92e70cc98e01af0bbd761e863042c19cedeecf9f9f5f25e391af2cc1d0
[INFO] checking 7h3qu1rkyb1t/m3-client against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F7h3qu1rkyb1t%2Fm3-client" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/7h3qu1rkyb1t/m3-client 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 git repo https://github.com/7h3qu1rkyb1t/m3-client
[INFO] finished tweaking git repo https://github.com/7h3qu1rkyb1t/m3-client
[INFO] tweaked toml for git repo https://github.com/7h3qu1rkyb1t/m3-client written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/7h3qu1rkyb1t/m3-client 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 2325ac6ed24b6e88738d73db63f8f48617ba3aaae50fcaa19bb7d794bf735996
[INFO] running `Command { std: "docker" "start" "-a" "2325ac6ed24b6e88738d73db63f8f48617ba3aaae50fcaa19bb7d794bf735996", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2325ac6ed24b6e88738d73db63f8f48617ba3aaae50fcaa19bb7d794bf735996", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2325ac6ed24b6e88738d73db63f8f48617ba3aaae50fcaa19bb7d794bf735996", kill_on_drop: false }`
[INFO] [stdout] 2325ac6ed24b6e88738d73db63f8f48617ba3aaae50fcaa19bb7d794bf735996
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 64045120f554d81dd1be6171cf7a4187fc0810029e673f834e1ab7d10dcd73ee
[INFO] running `Command { std: "docker" "start" "-a" "64045120f554d81dd1be6171cf7a4187fc0810029e673f834e1ab7d10dcd73ee", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.20
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.40
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]    Compiling cc v1.0.59
[INFO] [stderr]    Compiling cpal v0.11.0
[INFO] [stderr]     Checking tinyvec v0.3.4
[INFO] [stderr]     Checking hound v3.4.0
[INFO] [stderr]     Checking claxon v0.4.3
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]     Checking ogg v0.7.0
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/ogg-0.7.0/src/reading.rs:192:9
[INFO] [stdout]     |
[INFO] [stdout] 192 |             try!(Err(OggReadError::InvalidStreamStructVer(stream_structure_version)));
[INFO] [stdout]     |                  ^^^ cannot infer type of the type parameter `T` declared on the enum `Result`
[INFO] [stdout]     |
[INFO] [stdout] help: consider specifying the generic arguments
[INFO] [stdout]     |
[INFO] [stdout] 192 |             try!(Err::<T, OggReadError>(OggReadError::InvalidStreamStructVer(stream_structure_version)));
[INFO] [stdout]     |                     +++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/ogg-0.7.0/src/reading.rs:290:10
[INFO] [stdout]     |
[INFO] [stdout] 290 |                 try!(Err(OggReadError::HashMismatch(self.checksum, hash_calculated)));
[INFO] [stdout]     |                      ^^^ cannot infer type of the type parameter `T` declared on the enum `Result`
[INFO] [stdout]     |
[INFO] [stdout] help: consider specifying the generic arguments
[INFO] [stdout]     |
[INFO] [stdout] 290 |                 try!(Err::<T, OggReadError>(OggReadError::HashMismatch(self.checksum, hash_calculated)));
[INFO] [stdout]     |                         +++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/ogg-0.7.0/src/reading.rs:424:11
[INFO] [stdout]     |
[INFO] [stdout] 424 |                     try!(Err(OggReadError::InvalidData));
[INFO] [stdout]     |                          ^^^ cannot infer type of the type parameter `T` declared on the enum `Result`
[INFO] [stdout]     |
[INFO] [stdout] help: consider specifying the generic arguments
[INFO] [stdout]     |
[INFO] [stdout] 424 |                     try!(Err::<T, OggReadError>(OggReadError::InvalidData));
[INFO] [stdout]     |                             +++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/ogg-0.7.0/src/reading.rs:614:10
[INFO] [stdout]     |
[INFO] [stdout] 614 |                 try!(Err(OggReadError::NoCapturePatternFound));
[INFO] [stdout]     |                      ^^^ cannot infer type of the type parameter `T` declared on the enum `Result`
[INFO] [stdout]     |
[INFO] [stdout] help: consider specifying the generic arguments
[INFO] [stdout]     |
[INFO] [stdout] 614 |                 try!(Err::<T, OggReadError>(OggReadError::NoCapturePatternFound));
[INFO] [stdout]     |                         +++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ogg` (lib) due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "64045120f554d81dd1be6171cf7a4187fc0810029e673f834e1ab7d10dcd73ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64045120f554d81dd1be6171cf7a4187fc0810029e673f834e1ab7d10dcd73ee", kill_on_drop: false }`
[INFO] [stdout] 64045120f554d81dd1be6171cf7a4187fc0810029e673f834e1ab7d10dcd73ee