[INFO] cloning repository https://github.com/projectmeka/meka-passport
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/projectmeka/meka-passport" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprojectmeka%2Fmeka-passport", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprojectmeka%2Fmeka-passport'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5206cfe1bd22c6ee46b0e001ba719c0762c30aeb
[INFO] checking projectmeka/meka-passport against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprojectmeka%2Fmeka-passport" "/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/projectmeka/meka-passport 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/projectmeka/meka-passport
[INFO] finished tweaking git repo https://github.com/projectmeka/meka-passport
[INFO] tweaked toml for git repo https://github.com/projectmeka/meka-passport written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/projectmeka/meka-passport 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]     Updating git repository `https://github.com/paritytech/substrate.git`
[INFO] [stderr]     Updating git repository `https://github.com/paritytech/substrate-bip39`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 1 package
[INFO] [stderr]       Adding meka-passport v0.1.0 (/workspace/builds/worker-4-tc1/source)
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded parity-wasm v0.31.3
[INFO] [stderr]   Downloaded tiny-bip39 v0.6.2
[INFO] [stderr]   Downloaded once_cell v0.1.8
[INFO] [stderr]   Downloaded regex v1.1.7
[INFO] [stderr]   Downloaded safe-mix v1.0.0
[INFO] [stderr]   Downloaded regex-syntax v0.6.7
[INFO] [stderr]   Downloaded sha3 v0.8.2
[INFO] [stderr]   Downloaded integer-sqrt v0.1.2
[INFO] [stderr]   Downloaded tiny-keccak v1.4.4
[INFO] [stderr]   Downloaded hex v0.3.2
[INFO] [stderr]   Downloaded toml v0.5.1
[INFO] [stderr]   Downloaded utf8-ranges v1.0.3
[INFO] [stderr]   Downloaded clear_on_drop v0.2.3
[INFO] [stderr]   Downloaded syn v0.15.38
[INFO] [stderr]   Downloaded rayon v1.1.0
[INFO] [stderr]   Downloaded wasmi-validation v0.1.0
[INFO] [stderr]   Downloaded block-padding v0.1.4
[INFO] [stderr]   Downloaded twox-hash v1.3.0
[INFO] [stderr]   Downloaded serde v1.0.93
[INFO] [stderr]   Downloaded rayon-core v1.5.0
[INFO] [stderr]   Downloaded hex-literal v0.1.4
[INFO] [stderr]   Downloaded hex-literal-impl v0.1.2
[INFO] [stderr]   Downloaded trie-db v0.12.4
[INFO] [stderr]   Downloaded hash-db v0.12.4
[INFO] [stderr]   Downloaded parity-util-mem v0.1.0
[INFO] [stderr]   Downloaded heapsize v0.4.2
[INFO] [stderr]   Downloaded environmental v1.0.1
[INFO] [stderr]   Downloaded hash256-std-hasher v0.12.4
[INFO] [stderr]   Downloaded impl-serde v0.2.0
[INFO] [stderr]   Downloaded subtle v2.1.0
[INFO] [stderr]   Downloaded impl-serde v0.1.1
[INFO] [stderr]   Downloaded paste v0.1.5
[INFO] [stderr]   Downloaded proc-macro-hack v0.4.1
[INFO] [stderr]   Downloaded crypto-mac v0.4.0
[INFO] [stderr]   Downloaded paste-impl v0.1.5
[INFO] [stderr]   Downloaded elastic-array v0.10.2
[INFO] [stderr]   Downloaded memory-db v0.12.4
[INFO] [stderr]   Downloaded primitive-types v0.2.4
[INFO] [stderr]   Downloaded bitmask v0.5.0
[INFO] [stderr]   Downloaded hmac v0.7.0
[INFO] [stderr]   Downloaded hmac v0.4.2
[INFO] [stderr]   Downloaded proc-macro-hack v0.5.7
[INFO] [stderr]   Downloaded fixed-hash v0.3.2
[INFO] [stderr]   Downloaded hashbrown v0.1.8
[INFO] [stderr]   Downloaded libsecp256k1 v0.2.2
[INFO] [stderr]   Downloaded trie-root v0.12.4
[INFO] [stderr]   Downloaded hashmap_core v0.1.10
[INFO] [stderr]   Downloaded serde_derive v1.0.93
[INFO] [stderr]   Downloaded ed25519-dalek v1.0.0-pre.1
[INFO] [stderr]   Downloaded cc v1.0.37
[INFO] [stderr]   Downloaded proc-macro-hack-impl v0.4.1
[INFO] [stderr]   Downloaded parity-codec-derive v3.3.0
[INFO] [stderr]   Downloaded hmac-drbg v0.1.2
[INFO] [stderr]   Downloaded block-buffer v0.2.0
[INFO] [stderr]   Downloaded digest v0.6.2
[INFO] [stderr]   Downloaded sha2 v0.6.0
[INFO] [stderr]   Downloaded malloc_size_of_derive v0.1.0
[INFO] [stderr]   Downloaded parity-codec v3.5.1
[INFO] [stderr]   Downloaded merlin v1.1.0
[INFO] [stderr]   Downloaded spin v0.5.0
[INFO] [stderr]   Downloaded bitflags v1.1.0
[INFO] [stderr]   Downloaded impl-codec v0.2.0
[INFO] [stderr]   Downloaded uint v0.7.1
[INFO] [stderr]   Downloaded backtrace v0.3.31
[INFO] [stderr]   Downloaded wasmi v0.4.5
[INFO] [stderr]   Downloaded schnorrkel v0.1.1
[INFO] [stderr]   Downloaded curve25519-dalek v1.2.1
[INFO] [stderr]   Downloaded ring v0.14.6
[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] b59a73d6fbed841beb96f1ceb8e67e11d9f5fcc02f28df7eda653bc0e0c674ca
[INFO] running `Command { std: "docker" "start" "-a" "b59a73d6fbed841beb96f1ceb8e67e11d9f5fcc02f28df7eda653bc0e0c674ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b59a73d6fbed841beb96f1ceb8e67e11d9f5fcc02f28df7eda653bc0e0c674ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b59a73d6fbed841beb96f1ceb8e67e11d9f5fcc02f28df7eda653bc0e0c674ca", kill_on_drop: false }`
[INFO] [stdout] b59a73d6fbed841beb96f1ceb8e67e11d9f5fcc02f28df7eda653bc0e0c674ca
[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] 41a6a0c4854772522b6e9755593d5fc26c74b34c114897c23e400ffb5ec0a45e
[INFO] running `Command { std: "docker" "start" "-a" "41a6a0c4854772522b6e9755593d5fc26c74b34c114897c23e400ffb5ec0a45e", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.38
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling autocfg v0.1.4
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]    Compiling cc v1.0.37
[INFO] [stderr]     Checking rand_core v0.4.0
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling serde v1.0.93
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking crossbeam-utils v0.6.5
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking rustc-demangle v0.1.15
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]    Compiling heapsize v0.4.2
[INFO] [stderr]     Checking block-padding v0.1.4
[INFO] [stderr]     Checking opaque-debug v0.2.2
[INFO] [stderr]    Compiling rayon-core v1.5.0
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking crossbeam-epoch v0.7.1
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling backtrace v0.3.31
[INFO] [stderr]    Compiling subtle v2.1.0
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]     Checking subtle v1.0.0
[INFO] [stderr]     Checking constant_time_eq v0.1.3
[INFO] [stderr]     Checking owning_ref v0.4.0
[INFO] [stderr]     Checking crossbeam-deque v0.6.3
[INFO] [stderr]    Compiling proc-macro-hack-impl v0.4.1
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]     Checking rustc-hex v2.0.1
[INFO] [stderr]     Checking smallvec v0.6.10
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]     Checking hash-db v0.12.4
[INFO] [stderr]     Checking parity-wasm v0.31.3
[INFO] [stderr]    Compiling sr-std v1.0.0 (https://github.com/paritytech/substrate.git?branch=v1.0#bb684569)
[INFO] [stderr]     Checking static_assertions v0.2.5
[INFO] [stderr]    Compiling regex v1.1.7
[INFO] [stderr]     Checking ucd-util v0.1.3
[INFO] [stderr]     Checking uint v0.7.1
[INFO] [stderr]     Checking hashbrown v0.1.8
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking regex-syntax v0.6.7
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking num_cpus v1.10.1
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking memory_units v0.3.0
[INFO] [stderr]     Checking spin v0.5.0
[INFO] [stderr]     Checking utf8-ranges v1.0.3
[INFO] [stderr]     Checking untrusted v0.6.2
[INFO] [stderr]    Compiling proc-macro-hack v0.4.1
[INFO] [stderr]    Compiling clear_on_drop v0.2.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling ring v0.14.6
[INFO] [stderr]    Compiling hex-literal-impl v0.1.2
[INFO] [stderr]     Checking hash256-std-hasher v0.12.4
[INFO] [stderr]     Checking blake2-rfc v0.2.18
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking rayon v1.1.0
[INFO] [stderr]     Checking base58 v0.1.0
[INFO] [stderr]     Checking generic-array v0.12.0
[INFO] [stderr]     Checking generic-array v0.8.3
[INFO] [stderr]     Checking hashmap_core v0.1.10
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]     Checking elastic-array v0.10.2
[INFO] [stderr]     Checking aho-corasick v0.7.3
[INFO] [stderr]     Checking hex-literal v0.1.4
[INFO] [stderr]     Checking digest v0.8.0
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking merlin v1.1.0
[INFO] [stderr]     Checking digest v0.6.2
[INFO] [stderr]     Checking sha2 v0.8.0
[INFO] [stderr]     Checking hmac v0.7.0
[INFO] [stderr]     Checking sha3 v0.8.2
[INFO] [stderr]    Compiling curve25519-dalek v1.2.1
[INFO] [stderr]     Checking crypto-mac v0.4.0
[INFO] [stderr]     Checking byte-tools v0.2.0
[INFO] [stderr]     Checking trie-root v0.12.4
[INFO] [stderr]     Checking hmac v0.4.2
[INFO] [stderr]     Checking wasmi-validation v0.1.0
[INFO] [stderr]     Checking block-buffer v0.2.0
[INFO] [stderr]     Checking fixed-hash v0.3.2
[INFO] [stderr]     Checking twox-hash v1.3.0
[INFO] [stderr]     Checking trie-db v0.12.4
[INFO] [stderr]     Checking hmac-drbg v0.1.2
[INFO] [stderr]    Compiling sr-io v1.0.0 (https://github.com/paritytech/substrate.git?branch=v1.0#bb684569)
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]     Checking sha2 v0.6.0
[INFO] [stderr]     Checking arrayref v0.3.5
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]     Checking tiny-keccak v1.4.4
[INFO] [stderr]     Checking environmental v1.0.1
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking integer-sqrt v0.1.2
[INFO] [stderr]    Compiling safe-mix v1.0.0
[INFO] [stderr]     Checking wasmi v0.4.5
[INFO] [stderr]     Checking bitmask v0.5.0
[INFO] [stderr]     Checking once_cell v0.1.8
[INFO] [stderr]     Checking libsecp256k1 v0.2.2
[INFO] [stderr]     Checking substrate-panic-handler v1.0.0 (https://github.com/paritytech/substrate.git?branch=v1.0#bb684569)
[INFO] [stderr]     Checking pbkdf2 v0.3.0
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling serde_derive v1.0.93
[INFO] [stderr]    Compiling srml-support-procedural-tools-derive v1.0.0 (https://github.com/paritytech/substrate.git?branch=v1.0#bb684569)
[INFO] [stderr]    Compiling proc-macro-hack v0.5.7
[INFO] [stderr]    Compiling malloc_size_of_derive v0.1.0
[INFO] [stderr]     Checking parity-util-mem v0.1.0
[INFO] [stderr]     Checking memory-db v0.12.4
[INFO] [stderr]    Compiling paste-impl v0.1.5
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking ed25519-dalek v1.0.0-pre.1
[INFO] [stderr]     Checking tiny-bip39 v0.6.2
[INFO] [stderr]     Checking schnorrkel v0.1.1
[INFO] [stderr]     Checking paste v0.1.5
[INFO] [stderr]     Checking substrate-bip39 v0.2.1 (https://github.com/paritytech/substrate-bip39#44307fda)
[INFO] [stderr]     Checking impl-serde v0.2.0
[INFO] [stderr]     Checking impl-serde v0.1.1
[INFO] [stderr]    Compiling toml v0.5.1
[INFO] [stderr]    Compiling proc-macro-crate v0.1.4
[INFO] [stderr]    Compiling srml-support-procedural-tools v1.0.0 (https://github.com/paritytech/substrate.git?branch=v1.0#bb684569)
[INFO] [stderr]    Compiling parity-codec-derive v3.3.0
[INFO] [stderr]    Compiling sr-api-macros v1.0.0 (https://github.com/paritytech/substrate.git?branch=v1.0#bb684569)
[INFO] [stderr]     Checking parity-codec v3.5.1
[INFO] [stderr]     Checking impl-codec v0.2.0
[INFO] [stderr]     Checking primitive-types v0.2.4
[INFO] [stderr]     Checking substrate-primitives v1.0.0 (https://github.com/paritytech/substrate.git?branch=v1.0#bb684569)
[INFO] [stderr]    Compiling srml-support-procedural v1.0.0 (https://github.com/paritytech/substrate.git?branch=v1.0#bb684569)
[INFO] [stderr]     Checking substrate-trie v1.0.0 (https://github.com/paritytech/substrate.git?branch=v1.0#bb684569)
[INFO] [stderr]     Checking srml-metadata v1.0.0 (https://github.com/paritytech/substrate.git?branch=v1.0#bb684569)
[INFO] [stderr]     Checking substrate-state-machine v1.0.0 (https://github.com/paritytech/substrate.git?branch=v1.0#bb684569)
[INFO] [stderr]     Checking sr-primitives v1.0.0 (https://github.com/paritytech/substrate.git?branch=v1.0#bb684569)
[INFO] [stderr]     Checking substrate-inherents v1.0.0 (https://github.com/paritytech/substrate.git?branch=v1.0#bb684569)
[INFO] [stderr]     Checking srml-support v1.0.0 (https://github.com/paritytech/substrate.git?branch=v1.0#bb684569)
[INFO] [stderr]     Checking srml-system v1.0.0 (https://github.com/paritytech/substrate.git?branch=v1.0#bb684569)
[INFO] [stderr]     Checking meka-passport v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/lib.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | /// This module's storage items.
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/lib.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | /// This module's storage items.
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` 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 11.79s
[INFO] running `Command { std: "docker" "inspect" "41a6a0c4854772522b6e9755593d5fc26c74b34c114897c23e400ffb5ec0a45e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41a6a0c4854772522b6e9755593d5fc26c74b34c114897c23e400ffb5ec0a45e", kill_on_drop: false }`
[INFO] [stdout] 41a6a0c4854772522b6e9755593d5fc26c74b34c114897c23e400ffb5ec0a45e
[INFO] checking projectmeka/meka-passport against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprojectmeka%2Fmeka-passport" "/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/projectmeka/meka-passport 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/projectmeka/meka-passport
[INFO] finished tweaking git repo https://github.com/projectmeka/meka-passport
[INFO] tweaked toml for git repo https://github.com/projectmeka/meka-passport written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/projectmeka/meka-passport 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] 9237ff4d084edfd8faee984547808444f005a5d03be50345a50cf88ddc6feb43
[INFO] running `Command { std: "docker" "start" "-a" "9237ff4d084edfd8faee984547808444f005a5d03be50345a50cf88ddc6feb43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9237ff4d084edfd8faee984547808444f005a5d03be50345a50cf88ddc6feb43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9237ff4d084edfd8faee984547808444f005a5d03be50345a50cf88ddc6feb43", kill_on_drop: false }`
[INFO] [stdout] 9237ff4d084edfd8faee984547808444f005a5d03be50345a50cf88ddc6feb43
[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] c2b417ef6aef053025936ef1745507e6c1ca26cc5d7545647cc60a140d5257ed
[INFO] running `Command { std: "docker" "start" "-a" "c2b417ef6aef053025936ef1745507e6c1ca26cc5d7545647cc60a140d5257ed", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.38
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling autocfg v0.1.4
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]     Checking rand_core v0.4.0
[INFO] [stderr]    Compiling cc v1.0.37
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling serde v1.0.93
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking crossbeam-utils v0.6.5
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking rustc-demangle v0.1.15
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]    Compiling heapsize v0.4.2
[INFO] [stderr]     Checking block-padding v0.1.4
[INFO] [stderr]    Compiling subtle v2.1.0
[INFO] [stderr]     Checking opaque-debug v0.2.2
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking crossbeam-epoch v0.7.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling backtrace v0.3.31
[INFO] [stderr]    Compiling rayon-core v1.5.0
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]     Checking subtle v1.0.0
[INFO] [stderr]     Checking constant_time_eq v0.1.3
[INFO] [stderr]     Checking owning_ref v0.4.0
[INFO] [stderr]     Checking crossbeam-deque v0.6.3
[INFO] [stderr]    Compiling proc-macro-hack-impl v0.4.1
[INFO] [stderr]     Checking rustc-hex v2.0.1
[INFO] [stderr]     Checking smallvec v0.6.10
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]     Checking hash-db v0.12.4
[INFO] [stderr]     Checking parity-wasm v0.31.3
[INFO] [stderr]    Compiling sr-std v1.0.0 (https://github.com/paritytech/substrate.git?branch=v1.0#bb684569)
[INFO] [stderr]     Checking ucd-util v0.1.3
[INFO] [stderr]    Compiling regex v1.1.7
[INFO] [stderr]     Checking static_assertions v0.2.5
[INFO] [stderr]     Checking uint v0.7.1
[INFO] [stderr]     Checking hashbrown v0.1.8
[INFO] [stderr]     Checking thread_local v0.3.6
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[INFO] [stderr]     Checking utf8-ranges v1.0.3
[INFO] [stderr]     Checking memory_units v0.3.0
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking num_cpus v1.10.1
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking untrusted v0.6.2
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[INFO] [stderr]    Compiling hex-literal-impl v0.1.2
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[INFO] [stderr]     Checking log v0.4.6
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[INFO] [stderr]    Compiling clear_on_drop v0.2.3
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[INFO] [stderr]    Compiling ring v0.14.6
[INFO] [stderr]     Checking base58 v0.1.0
[INFO] [stderr]     Checking hashmap_core v0.1.10
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[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking merlin v1.1.0
[INFO] [stderr]     Checking crypto-mac v0.4.0
[INFO] [stderr]     Checking sha2 v0.8.0
[INFO] [stderr]     Checking sha3 v0.8.2
[INFO] [stderr]    Compiling curve25519-dalek v1.2.1
[INFO] [stderr]     Checking hmac v0.7.0
[INFO] [stderr]     Checking wasmi-validation v0.1.0
[INFO] [stderr]     Checking block-buffer v0.2.0
[INFO] [stderr]     Checking hmac v0.4.2
[INFO] [stderr]     Checking trie-root v0.12.4
[INFO] [stderr]    Compiling sr-io v1.0.0 (https://github.com/paritytech/substrate.git?branch=v1.0#bb684569)
[INFO] [stderr]     Checking sha2 v0.6.0
[INFO] [stderr]     Checking hmac-drbg v0.1.2
[INFO] [stderr]     Checking fixed-hash v0.3.2
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]     Checking arrayref v0.3.5
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking tiny-keccak v1.4.4
[INFO] [stderr]     Checking environmental v1.0.1
[INFO] [stderr]     Checking twox-hash v1.3.0
[INFO] [stderr]     Checking trie-db v0.12.4
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]     Checking integer-sqrt v0.1.2
[INFO] [stderr]    Compiling safe-mix v1.0.0
[INFO] [stderr]     Checking wasmi v0.4.5
[INFO] [stderr]     Checking bitmask v0.5.0
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking once_cell v0.1.8
[INFO] [stderr]     Checking libsecp256k1 v0.2.2
[INFO] [stderr]     Checking substrate-panic-handler v1.0.0 (https://github.com/paritytech/substrate.git?branch=v1.0#bb684569)
[INFO] [stderr]     Checking pbkdf2 v0.3.0
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-1.1.7/src/exec.rs:797:13
[INFO] [stdout]     |
[INFO] [stdout] 797 | /             match dfa::Fsm::reverse(
[INFO] [stdout] 798 | |                 &self.ro.dfa_reverse,
[INFO] [stdout] 799 | |                 self.cache,
[INFO] [stdout] 800 | |                 false,
[INFO] [stdout] ...   |
[INFO] [stdout] 811 | |                 Quit => return Some(Quit),
[INFO] [stdout] 812 | |             };
[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 `regex` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "c2b417ef6aef053025936ef1745507e6c1ca26cc5d7545647cc60a140d5257ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2b417ef6aef053025936ef1745507e6c1ca26cc5d7545647cc60a140d5257ed", kill_on_drop: false }`
[INFO] [stdout] c2b417ef6aef053025936ef1745507e6c1ca26cc5d7545647cc60a140d5257ed