[INFO] cloning repository https://github.com/adam-r-kowalski/ra
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/adam-r-kowalski/ra" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadam-r-kowalski%2Fra", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadam-r-kowalski%2Fra'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0a521d8184f4a178dd0704712d10821864382f30
[INFO] checking adam-r-kowalski/ra against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadam-r-kowalski%2Fra" "/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/adam-r-kowalski/ra 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/adam-r-kowalski/ra
[INFO] finished tweaking git repo https://github.com/adam-r-kowalski/ra
[INFO] tweaked toml for git repo https://github.com/adam-r-kowalski/ra written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/adam-r-kowalski/ra 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 enumset_derive v0.5.5
[INFO] [stderr]   Downloaded wasmer-engine-universal v2.0.0
[INFO] [stderr]   Downloaded wasmer-engine v2.0.0
[INFO] [stderr]   Downloaded wasmer-derive v2.0.0
[INFO] [stderr]   Downloaded wasmer-object v2.0.0
[INFO] [stderr]   Downloaded wasmer-engine-dylib v2.0.0
[INFO] [stderr]   Downloaded wasmer-types v2.0.0
[INFO] [stderr]   Downloaded rkyv_derive v0.6.7
[INFO] [stderr]   Downloaded rkyv v0.6.7
[INFO] [stderr]   Downloaded wasmer-compiler v2.0.0
[INFO] [stderr]   Downloaded wasmer-vm v2.0.0
[INFO] [stderr]   Downloaded wasmer-compiler-cranelift v2.0.0
[INFO] [stderr]   Downloaded enumset v1.0.7
[INFO] [stderr]   Downloaded object v0.26.1
[INFO] [stderr]   Downloaded wasmer v2.0.0
[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] 880eab6b61a0d94caba30086b48c0979eff0c3c5b9de54e3911e6d5a62daac25
[INFO] running `Command { std: "docker" "start" "-a" "880eab6b61a0d94caba30086b48c0979eff0c3c5b9de54e3911e6d5a62daac25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "880eab6b61a0d94caba30086b48c0979eff0c3c5b9de54e3911e6d5a62daac25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "880eab6b61a0d94caba30086b48c0979eff0c3c5b9de54e3911e6d5a62daac25", kill_on_drop: false }`
[INFO] [stdout] 880eab6b61a0d94caba30086b48c0979eff0c3c5b9de54e3911e6d5a62daac25
[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] 1a0e1d7a3237bd2ab2879670f38276e81755940cda8ad215b885d741ff4e69da
[INFO] running `Command { std: "docker" "start" "-a" "1a0e1d7a3237bd2ab2879670f38276e81755940cda8ad215b885d741ff4e69da", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.99
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling rustversion v1.0.5
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling target-lexicon v0.12.2
[INFO] [stderr]    Compiling rkyv v0.6.7
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking seahash v4.1.0
[INFO] [stderr]     Checking gimli v0.25.0
[INFO] [stderr]     Checking object v0.26.1
[INFO] [stderr]     Checking rustc-demangle v0.1.20
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]    Compiling wasmer-vm v2.0.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking region v2.2.0
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]     Checking more-asserts v0.2.1
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.74.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling cranelift-entity v0.74.0
[INFO] [stderr]     Checking wasmparser v0.78.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.74.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]     Checking leb128 v0.2.4
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking regalloc v0.0.31
[INFO] [stderr]     Checking cranelift-bforest v0.74.0
[INFO] [stderr]     Checking addr2line v0.16.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking memmap2 v0.2.3
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]     Checking tracing-core v0.1.19
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]    Compiling wasmer-compiler-cranelift v2.0.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking which v4.2.2
[INFO] [stderr]     Checking wast v37.0.0
[INFO] [stderr]     Checking libloading v0.7.0
[INFO] [stderr]     Checking diff v0.1.12
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking pretty_assertions v0.7.2
[INFO] [stderr]    Compiling darling_core v0.13.0
[INFO] [stderr]    Compiling ptr_meta_derive v0.1.4
[INFO] [stderr]    Compiling loupe-derive v0.1.3
[INFO] [stderr]     Checking ptr_meta v0.1.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling rkyv_derive v0.6.7
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling darling_macro v0.13.0
[INFO] [stderr]     Checking wat v1.0.39
[INFO] [stderr]    Compiling wasmer-derive v2.0.0
[INFO] [stderr]    Compiling cranelift-codegen v0.74.0
[INFO] [stderr]    Compiling darling v0.13.0
[INFO] [stderr]    Compiling enumset_derive v0.5.5
[INFO] [stderr]     Checking thiserror v1.0.26
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking enumset v1.0.7
[INFO] [stderr]     Checking serde_bytes v0.11.5
[INFO] [stderr]     Checking loupe v0.1.3
[INFO] [stderr]     Checking gimli v0.24.0
[INFO] [stderr]     Checking object v0.25.3
[INFO] [stderr]     Checking wasmer-types v2.0.0
[INFO] [stderr]     Checking wasmer-compiler v2.0.0
[INFO] [stderr]     Checking wasmer-engine v2.0.0
[INFO] [stderr]     Checking wasmer-object v2.0.0
[INFO] [stderr]     Checking wasmer-engine-dylib v2.0.0
[INFO] [stderr]     Checking wasmer-engine-universal v2.0.0
[INFO] [stderr]     Checking cranelift-frontend v0.74.0
[INFO] [stderr]     Checking wasmer v2.0.0
[INFO] [stderr]     Checking mongoose v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.36s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: cranelift-codegen-meta v0.74.0, wasmparser v0.78.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "1a0e1d7a3237bd2ab2879670f38276e81755940cda8ad215b885d741ff4e69da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a0e1d7a3237bd2ab2879670f38276e81755940cda8ad215b885d741ff4e69da", kill_on_drop: false }`
[INFO] [stdout] 1a0e1d7a3237bd2ab2879670f38276e81755940cda8ad215b885d741ff4e69da