[INFO] cloning repository https://github.com/CleanCut/duel
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CleanCut/duel" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCleanCut%2Fduel", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCleanCut%2Fduel'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3d7d7749ab3695ff6fe303035dad955850670b09
[INFO] checking CleanCut/duel against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCleanCut%2Fduel" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/CleanCut/duel 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/CleanCut/duel
[INFO] finished tweaking git repo https://github.com/CleanCut/duel
[INFO] tweaked toml for git repo https://github.com/CleanCut/duel written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/CleanCut/duel 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]  Downloading crates ...
[INFO] [stderr]   Downloaded impose v0.2.0
[INFO] [stderr]   Downloaded zmq-sys v0.8.2
[INFO] [stderr]   Downloaded serde_derive v1.0.70
[INFO] [stderr]   Downloaded rand_core v0.2.1
[INFO] [stderr]   Downloaded serde v1.0.70
[INFO] [stderr]   Downloaded cgl v0.2.2
[INFO] [stderr]   Downloaded bincode v1.0.1
[INFO] [stderr]   Downloaded tempfile v3.0.2
[INFO] [stderr]   Downloaded hound v1.1.0
[INFO] [stderr]   Downloaded libloading v0.5.0
[INFO] [stderr]   Downloaded gleam v0.5.1
[INFO] [stderr]   Downloaded glutin v0.14.0
[INFO] [stderr]   Downloaded x11-dl v2.18.0
[INFO] [stderr]   Downloaded winit v0.12.0
[INFO] [stderr]   Downloaded coreaudio-sys v0.1.2
[INFO] [stderr]   Downloaded cgmath v0.14.1
[INFO] [stderr]   Downloaded claxon v0.3.1
[INFO] [stderr]   Downloaded glium v0.21.0
[INFO] [stderr]   Downloaded coreaudio-rs v0.7.0
[INFO] [stderr]   Downloaded cpal v0.6.0
[INFO] [stderr]   Downloaded rand v0.5.3
[INFO] [stderr]   Downloaded rodio v0.6.0
[INFO] [stderr]   Downloaded zmq v0.8.2
[INFO] [stderr]   Downloaded ogg v0.4.1
[INFO] [stderr]   Downloaded objc v0.2.3
[INFO] [stderr]   Downloaded lewton v0.5.2
[INFO] [stderr]   Downloaded rusty_sword_arena v0.5.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] c2a3861008bc2b82a5119d4ea1dece5324b427829af9eba4cabee683cc9fda1c
[INFO] running `Command { std: "docker" "start" "-a" "c2a3861008bc2b82a5119d4ea1dece5324b427829af9eba4cabee683cc9fda1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c2a3861008bc2b82a5119d4ea1dece5324b427829af9eba4cabee683cc9fda1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2a3861008bc2b82a5119d4ea1dece5324b427829af9eba4cabee683cc9fda1c", kill_on_drop: false }`
[INFO] [stdout] c2a3861008bc2b82a5119d4ea1dece5324b427829af9eba4cabee683cc9fda1c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 575873f0b102ee153fb787b558579c8406ada16b1de78a082535818edddddc2f
[INFO] running `Command { std: "docker" "start" "-a" "575873f0b102ee153fb787b558579c8406ada16b1de78a082535818edddddc2f", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.42
[INFO] [stderr]    Compiling pkg-config v0.3.11
[INFO] [stderr]    Compiling bitflags v1.0.3
[INFO] [stderr]    Compiling cc v1.0.17
[INFO] [stderr]     Checking lazy_static v1.0.1
[INFO] [stderr]    Compiling khronos_api v2.2.0
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling toml v0.2.1
[INFO] [stderr]    Compiling xml-rs v0.7.0
[INFO] [stderr]    Compiling cfg-if v0.1.4
[INFO] [stderr]    Compiling log v0.4.3
[INFO] [stderr]     Checking token_store v0.1.2
[INFO] [stderr]    Compiling metadeps v1.1.2
[INFO] [stderr]    Compiling num-traits v0.2.5
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking memmap v0.6.2
[INFO] [stderr]    Compiling x11-dl v2.18.0
[INFO] [stderr]    Compiling alsa-sys v0.1.2
[INFO] [stderr]    Compiling wayland-scanner v0.12.5
[INFO] [stderr]    Compiling gl_generator v0.9.0
[INFO] [stderr]    Compiling zmq-sys v0.8.2
[INFO] [stderr]     Checking remove_dir_all v0.5.1
[INFO] [stderr]     Checking byteorder v1.2.3
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]     Checking tempfile v3.0.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.23
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling wayland-client v0.12.5
[INFO] [stderr]    Compiling wayland-protocols v0.12.5
[INFO] [stderr]    Compiling glutin v0.14.0
[INFO] [stderr]     Checking dlib v0.4.1
[INFO] [stderr]     Checking wayland-sys v0.12.5
[INFO] [stderr]    Compiling proc-macro2 v0.4.6
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking ogg v0.4.1
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]     Checking shared_library v0.1.8
[INFO] [stderr]     Checking approx v0.1.1
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]    Compiling serde v1.0.70
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking cpal v0.6.0
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking cgmath v0.14.1
[INFO] [stderr]    Compiling quote v0.6.3
[INFO] [stderr]     Checking lewton v0.5.2
[INFO] [stderr]    Compiling zmq v0.8.2
[INFO] [stderr]    Compiling glium v0.21.0
[INFO] [stderr]     Checking claxon v0.3.1
[INFO] [stderr]     Checking hound v1.1.0
[INFO] [stderr]     Checking rustc-demangle v0.1.8
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking backtrace v0.3.9
[INFO] [stderr]    Compiling syn v0.14.4
[INFO] [stderr]     Checking wayland-kbd v0.13.1
[INFO] [stderr]     Checking smallvec v0.6.2
[INFO] [stderr]     Checking rand_core v0.2.1
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking rand v0.5.3
[INFO] [stderr]     Checking rodio v0.6.0
[INFO] [stderr]     Checking impose v0.2.0
[INFO] [stderr]     Checking wayland-window v0.13.3
[INFO] [stderr]     Checking winit v0.12.0
[INFO] [stderr]    Compiling serde_derive v1.0.70
[INFO] [stderr]     Checking bincode v1.0.1
[INFO] [stderr]     Checking rusty_sword_arena v0.5.1
[INFO] [stderr]     Checking duel v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.26s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.14.4
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "575873f0b102ee153fb787b558579c8406ada16b1de78a082535818edddddc2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "575873f0b102ee153fb787b558579c8406ada16b1de78a082535818edddddc2f", kill_on_drop: false }`
[INFO] [stdout] 575873f0b102ee153fb787b558579c8406ada16b1de78a082535818edddddc2f
[INFO] checking CleanCut/duel against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCleanCut%2Fduel" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/CleanCut/duel 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/CleanCut/duel
[INFO] finished tweaking git repo https://github.com/CleanCut/duel
[INFO] tweaked toml for git repo https://github.com/CleanCut/duel written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/CleanCut/duel 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] df21cec08c62c7f4f90a36232a6d0dbde2bbd998bbcddfedd0223b04e782e6d7
[INFO] running `Command { std: "docker" "start" "-a" "df21cec08c62c7f4f90a36232a6d0dbde2bbd998bbcddfedd0223b04e782e6d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "df21cec08c62c7f4f90a36232a6d0dbde2bbd998bbcddfedd0223b04e782e6d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df21cec08c62c7f4f90a36232a6d0dbde2bbd998bbcddfedd0223b04e782e6d7", kill_on_drop: false }`
[INFO] [stdout] df21cec08c62c7f4f90a36232a6d0dbde2bbd998bbcddfedd0223b04e782e6d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 0e5aeb8e0eeb869f6f6c55be198286ae6616b3cf0fbc48f97e1bfd47d1f0aff3
[INFO] running `Command { std: "docker" "start" "-a" "0e5aeb8e0eeb869f6f6c55be198286ae6616b3cf0fbc48f97e1bfd47d1f0aff3", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.42
[INFO] [stderr]    Compiling pkg-config v0.3.11
[INFO] [stderr]    Compiling bitflags v1.0.3
[INFO] [stderr]    Compiling cc v1.0.17
[INFO] [stderr]     Checking lazy_static v1.0.1
[INFO] [stderr]    Compiling khronos_api v2.2.0
[INFO] [stderr]    Compiling toml v0.2.1
[INFO] [stderr]    Compiling cfg-if v0.1.4
[INFO] [stderr]    Compiling xml-rs v0.7.0
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling log v0.4.3
[INFO] [stderr]     Checking token_store v0.1.2
[INFO] [stderr]    Compiling num-traits v0.2.5
[INFO] [stderr]    Compiling metadeps v1.1.2
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking memmap v0.6.2
[INFO] [stderr]    Compiling x11-dl v2.18.0
[INFO] [stderr]    Compiling alsa-sys v0.1.2
[INFO] [stderr]    Compiling wayland-scanner v0.12.5
[INFO] [stderr]    Compiling gl_generator v0.9.0
[INFO] [stderr]    Compiling zmq-sys v0.8.2
[INFO] [stderr]     Checking byteorder v1.2.3
[INFO] [stderr]     Checking remove_dir_all v0.5.1
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking tempfile v3.0.2
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.23
[INFO] [stderr]    Compiling proc-macro2 v0.4.6
[INFO] [stderr]     Checking ogg v0.4.1
[INFO] [stderr]    Compiling wayland-client v0.12.5
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/ogg-0.4.1/src/lib.rs:433:10
[INFO] [stdout]     |
[INFO] [stdout] 433 |                 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] 433 |                 try!(Err::<T, OggReadError>(OggReadError::NoCapturePatternFound));
[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-0.4.1/src/lib.rs:484:9
[INFO] [stdout]     |
[INFO] [stdout] 484 |             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] 484 |             try!(Err::<T, OggReadError>(OggReadError::InvalidStreamStructVer(stream_structure_version)));
[INFO] [stdout]     |                     +++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 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 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "0e5aeb8e0eeb869f6f6c55be198286ae6616b3cf0fbc48f97e1bfd47d1f0aff3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e5aeb8e0eeb869f6f6c55be198286ae6616b3cf0fbc48f97e1bfd47d1f0aff3", kill_on_drop: false }`
[INFO] [stdout] 0e5aeb8e0eeb869f6f6c55be198286ae6616b3cf0fbc48f97e1bfd47d1f0aff3