[INFO] cloning repository https://github.com/alexflk/rt
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alexflk/rt" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexflk%2Frt", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexflk%2Frt'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] be087cf89a649d5241330305637a728f4f21fcdd
[INFO] checking alexflk/rt against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexflk%2Frt" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/alexflk/rt 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/alexflk/rt
[INFO] finished tweaking git repo https://github.com/alexflk/rt
[INFO] tweaked toml for git repo https://github.com/alexflk/rt written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/alexflk/rt 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] aa3170cc62484d089268693aa3da1da422a236c582cf355a3a90956be13427a5
[INFO] running `Command { std: "docker" "start" "-a" "aa3170cc62484d089268693aa3da1da422a236c582cf355a3a90956be13427a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa3170cc62484d089268693aa3da1da422a236c582cf355a3a90956be13427a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa3170cc62484d089268693aa3da1da422a236c582cf355a3a90956be13427a5", kill_on_drop: false }`
[INFO] [stdout] aa3170cc62484d089268693aa3da1da422a236c582cf355a3a90956be13427a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 1fa260bc79efb3e3fdb12f76896e1d45ccd156ba4fa8a099ece9717afc400d66
[INFO] running `Command { std: "docker" "start" "-a" "1fa260bc79efb3e3fdb12f76896e1d45ccd156ba4fa8a099ece9717afc400d66", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]     Checking simd-adler32 v0.3.7
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking weezl v0.1.7
[INFO] [stderr]     Checking fdeflate v0.3.0
[INFO] [stderr]     Checking zune-inflate v0.2.54
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking half v2.2.1
[INFO] [stderr]     Checking lebe v0.5.2
[INFO] [stderr]     Checking bytemuck v1.13.1
[INFO] [stderr]     Checking bit_field v0.10.2
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking smallvec v1.11.0
[INFO] [stderr]     Checking gif v0.12.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking flate2 v1.0.26
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking qoi v0.4.1
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]     Checking png v0.17.9
[INFO] [stderr]    Compiling quote v1.0.32
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]    Compiling syn v2.0.28
[INFO] [stderr]     Checking nanorand v0.7.0
[INFO] [stderr]     Checking rayon v1.7.0
[INFO] [stderr]     Checking jpeg-decoder v0.3.0
[INFO] [stderr]     Checking tiff v0.9.0
[INFO] [stderr]    Compiling pin-project-internal v1.1.3
[INFO] [stderr]     Checking pin-project v1.1.3
[INFO] [stderr]     Checking flume v0.10.14
[INFO] [stderr]     Checking exr v1.7.0
[INFO] [stderr]     Checking image v0.24.7
[INFO] [stderr]     Checking rt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.29s
[INFO] running `Command { std: "docker" "inspect" "1fa260bc79efb3e3fdb12f76896e1d45ccd156ba4fa8a099ece9717afc400d66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fa260bc79efb3e3fdb12f76896e1d45ccd156ba4fa8a099ece9717afc400d66", kill_on_drop: false }`
[INFO] [stdout] 1fa260bc79efb3e3fdb12f76896e1d45ccd156ba4fa8a099ece9717afc400d66
[INFO] checking alexflk/rt against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexflk%2Frt" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/alexflk/rt 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/alexflk/rt
[INFO] finished tweaking git repo https://github.com/alexflk/rt
[INFO] tweaked toml for git repo https://github.com/alexflk/rt written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/alexflk/rt 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 3c78352284eacf49cdd5d86bd04b0bd9774c5568827eef30f001789bbeabadf9
[INFO] running `Command { std: "docker" "start" "-a" "3c78352284eacf49cdd5d86bd04b0bd9774c5568827eef30f001789bbeabadf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c78352284eacf49cdd5d86bd04b0bd9774c5568827eef30f001789bbeabadf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c78352284eacf49cdd5d86bd04b0bd9774c5568827eef30f001789bbeabadf9", kill_on_drop: false }`
[INFO] [stdout] 3c78352284eacf49cdd5d86bd04b0bd9774c5568827eef30f001789bbeabadf9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 0536d312e08d75326b7cf5e03e56fe29ebccaa807afba63044727504cdcdbb71
[INFO] running `Command { std: "docker" "start" "-a" "0536d312e08d75326b7cf5e03e56fe29ebccaa807afba63044727504cdcdbb71", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]     Checking simd-adler32 v0.3.7
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]     Checking weezl v0.1.7
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]     Checking fdeflate v0.3.0
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/miniz_oxide-0.7.1/src/inflate/core.rs:1154:9
[INFO] [stdout]      |
[INFO] [stdout] 1154 | /         match state {
[INFO] [stdout] 1155 | |             Start => generate_state!(state, 'state_machine, {
[INFO] [stdout] 1156 | |                 l.bit_buf = 0;
[INFO] [stdout] 1157 | |                 l.num_bits = 0;
[INFO] [stdout] ...    |
[INFO] [stdout] 1699 | |             _ => break TINFLStatus::Failed,
[INFO] [stdout] 1700 | |         };
[INFO] [stdout]      | |_________^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking zune-inflate v0.2.54
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking lebe v0.5.2
[INFO] [stderr]     Checking smallvec v1.11.0
[INFO] [stderr]     Checking bit_field v0.10.2
[INFO] [stderr]     Checking bytemuck v1.13.1
[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 `miniz_oxide` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/crossbeam-utils-0.8.16/src/sync/parker.rs:371:25
[INFO] [stdout]     |
[INFO] [stdout] 371 | /                         match self.state.swap(EMPTY, SeqCst) {
[INFO] [stdout] 372 | |                             NOTIFIED | PARKED => return,
[INFO] [stdout] 373 | |                             n => panic!("inconsistent park_timeout state: {}", n),
[INFO] [stdout] 374 | |                         };
[INFO] [stdout]     | |_________________________^ cannot infer type
[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 `crossbeam-utils` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "0536d312e08d75326b7cf5e03e56fe29ebccaa807afba63044727504cdcdbb71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0536d312e08d75326b7cf5e03e56fe29ebccaa807afba63044727504cdcdbb71", kill_on_drop: false }`
[INFO] [stdout] 0536d312e08d75326b7cf5e03e56fe29ebccaa807afba63044727504cdcdbb71