[INFO] cloning repository https://github.com/chocol4te/navio2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chocol4te/navio2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchocol4te%2Fnavio2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchocol4te%2Fnavio2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a0fe5202b27ec1a5cde29cd74cb4fb0fefc982f2
[INFO] checking chocol4te/navio2 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchocol4te%2Fnavio2" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/chocol4te/navio2 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] removed /workspace/builds/worker-0-tc1/source/.cargo/config
[INFO] started tweaking git repo https://github.com/chocol4te/navio2
[INFO] finished tweaking git repo https://github.com/chocol4te/navio2
[INFO] tweaked toml for git repo https://github.com/chocol4te/navio2 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/chocol4te/navio2 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 rppal v0.11.2
[INFO] [stderr]   Downloaded cargo_metadata v0.6.4
[INFO] [stderr]   Downloaded ms5611 v1.0.0
[INFO] [stderr]   Downloaded cc v1.0.36
[INFO] [stderr]   Downloaded skeptic v0.13.4
[INFO] [stderr]   Downloaded i2cdev v0.3.2
[INFO] [stderr]   Downloaded bytecount v0.4.0
[INFO] [stderr]   Downloaded proc-macro2 v0.4.29
[INFO] [stderr]   Downloaded libm v0.1.2
[INFO] [stderr]   Downloaded alga v0.9.0
[INFO] [stderr]   Downloaded nalgebra v0.18.0
[INFO] [stderr]   Downloaded libc v0.2.54
[INFO] [stderr]   Downloaded nix v0.10.0
[INFO] [stderr]   Downloaded pulldown-cmark v0.2.0
[INFO] [stderr]   Downloaded mpu9250 v0.12.0
[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] b37f8c47f38b3b7beae98efb238a8b4f6781ef707e9d957a09e66e3178fffdf6
[INFO] running `Command { std: "docker" "start" "-a" "b37f8c47f38b3b7beae98efb238a8b4f6781ef707e9d957a09e66e3178fffdf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b37f8c47f38b3b7beae98efb238a8b4f6781ef707e9d957a09e66e3178fffdf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b37f8c47f38b3b7beae98efb238a8b4f6781ef707e9d957a09e66e3178fffdf6", kill_on_drop: false }`
[INFO] [stdout] b37f8c47f38b3b7beae98efb238a8b4f6781ef707e9d957a09e66e3178fffdf6
[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] 0574fec771dd5a84cc38ac8e0163cf1961431d63c138c306459440b5ade7e73c
[INFO] running `Command { std: "docker" "start" "-a" "0574fec771dd5a84cc38ac8e0163cf1961431d63c138c306459440b5ade7e73c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.54
[INFO] [stderr]    Compiling proc-macro2 v0.4.29
[INFO] [stderr]    Compiling cc v1.0.36
[INFO] [stderr]    Compiling syn v0.15.34
[INFO] [stderr]     Checking rand_core v0.4.0
[INFO] [stderr]    Compiling serde v1.0.91
[INFO] [stderr]    Compiling ryu v0.2.8
[INFO] [stderr]    Compiling rustc-demangle v0.1.14
[INFO] [stderr]    Compiling backtrace v0.3.15
[INFO] [stderr]    Compiling cfg-if v0.1.7
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling pulldown-cmark v0.2.0
[INFO] [stderr]    Compiling same-file v1.0.4
[INFO] [stderr]    Compiling remove_dir_all v0.5.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling walkdir v2.2.7
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]    Compiling bytecount v0.4.0
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling nix v0.10.0
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking libm v0.1.2
[INFO] [stderr]     Checking embedded-hal v0.2.3
[INFO] [stderr]     Checking generic-array v0.12.0
[INFO] [stderr]     Checking cast v0.2.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking rppal v0.11.2
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking alga v0.9.0
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]     Checking nalgebra v0.18.0
[INFO] [stderr]    Compiling error-chain v0.12.0
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling serde_json v1.0.39
[INFO] [stderr]    Compiling serde_derive v1.0.91
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]    Compiling cargo_metadata v0.6.4
[INFO] [stderr]    Compiling skeptic v0.13.4
[INFO] [stderr]    Compiling i2cdev v0.3.2
[INFO] [stderr]     Checking ms5611 v1.0.0
[INFO] [stderr]     Checking mpu9250 v0.12.0
[INFO] [stderr]     Checking navio2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `mpu9250::Mpu9250`
[INFO] [stdout]  --> src/lib.rs:6:61
[INFO] [stdout]   |
[INFO] [stdout] 6 | use {crate::led::Led, embedded_hal::digital::v2::OutputPin, mpu9250::Mpu9250, ms5611::Ms5611};
[INFO] [stdout]   |                                                             ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `mpu9250::Mpu9250`
[INFO] [stdout]  --> src/lib.rs:6:61
[INFO] [stdout]   |
[INFO] [stdout] 6 | use {crate::led::Led, embedded_hal::digital::v2::OutputPin, mpu9250::Mpu9250, ms5611::Ms5611};
[INFO] [stdout]   |                                                             ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.38s
[INFO] running `Command { std: "docker" "inspect" "0574fec771dd5a84cc38ac8e0163cf1961431d63c138c306459440b5ade7e73c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0574fec771dd5a84cc38ac8e0163cf1961431d63c138c306459440b5ade7e73c", kill_on_drop: false }`
[INFO] [stdout] 0574fec771dd5a84cc38ac8e0163cf1961431d63c138c306459440b5ade7e73c
[INFO] checking chocol4te/navio2 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchocol4te%2Fnavio2" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/chocol4te/navio2 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] removed /workspace/builds/worker-0-tc2/source/.cargo/config
[INFO] started tweaking git repo https://github.com/chocol4te/navio2
[INFO] finished tweaking git repo https://github.com/chocol4te/navio2
[INFO] tweaked toml for git repo https://github.com/chocol4te/navio2 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/chocol4te/navio2 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-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] 48a97e707a1bf13a6e70e06c282d4d70e701ed01a033f13bc1bae78733fea629
[INFO] running `Command { std: "docker" "start" "-a" "48a97e707a1bf13a6e70e06c282d4d70e701ed01a033f13bc1bae78733fea629", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "48a97e707a1bf13a6e70e06c282d4d70e701ed01a033f13bc1bae78733fea629", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48a97e707a1bf13a6e70e06c282d4d70e701ed01a033f13bc1bae78733fea629", kill_on_drop: false }`
[INFO] [stdout] 48a97e707a1bf13a6e70e06c282d4d70e701ed01a033f13bc1bae78733fea629
[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] 625450ec59e5764a757c683443d80f14214a80098dc6b3bb4b9b4da304e5ad7d
[INFO] running `Command { std: "docker" "start" "-a" "625450ec59e5764a757c683443d80f14214a80098dc6b3bb4b9b4da304e5ad7d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.54
[INFO] [stderr]    Compiling cc v1.0.36
[INFO] [stderr]    Compiling proc-macro2 v0.4.29
[INFO] [stderr]    Compiling syn v0.15.34
[INFO] [stderr]     Checking rand_core v0.4.0
[INFO] [stderr]    Compiling serde v1.0.91
[INFO] [stderr]    Compiling ryu v0.2.8
[INFO] [stderr]    Compiling cfg-if v0.1.7
[INFO] [stderr]    Compiling rustc-demangle v0.1.14
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling pulldown-cmark v0.2.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.1
[INFO] [stderr]    Compiling backtrace v0.3.15
[INFO] [stderr]    Compiling same-file v1.0.4
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling bytecount v0.4.0
[INFO] [stderr]    Compiling walkdir v2.2.7
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling nix v0.10.0
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/pulldown-cmark-0.2.0/src/parse.rs:549:13
[INFO] [stdout]     |
[INFO] [stdout] 549 |             panic!();
[INFO] [stdout]     |             ^^^^^^^^ cannot infer type
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `$crate::panic::panic_2015` which comes from the expansion of the macro `panic` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking libm v0.1.2
[INFO] [stderr]     Checking embedded-hal v0.2.3
[INFO] [stderr]     Checking generic-array v0.12.0
[INFO] [stderr]     Checking cast v0.2.2
[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 `pulldown-cmark` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "625450ec59e5764a757c683443d80f14214a80098dc6b3bb4b9b4da304e5ad7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "625450ec59e5764a757c683443d80f14214a80098dc6b3bb4b9b4da304e5ad7d", kill_on_drop: false }`
[INFO] [stdout] 625450ec59e5764a757c683443d80f14214a80098dc6b3bb4b9b4da304e5ad7d