[INFO] cloning repository https://github.com/Teapane/hello_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Teapane/hello_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTeapane%2Fhello_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTeapane%2Fhello_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f8b2bb99116d88e44ba169d833202487f602cb00
[INFO] checking Teapane/hello_rust against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTeapane%2Fhello_rust" "/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/Teapane/hello_rust 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/Teapane/hello_rust
[INFO] finished tweaking git repo https://github.com/Teapane/hello_rust
[INFO] tweaked toml for git repo https://github.com/Teapane/hello_rust written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Teapane/hello_rust 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 smallvec v0.4.5
[INFO] [stderr]   Downloaded error-chain v0.10.0
[INFO] [stderr]   Downloaded ferris-says v0.2.0
[INFO] [stderr]   Downloaded backtrace v0.3.55
[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] 13b4fb6734bf19dbe9cb10aa1eaa9d9ce0f0bb19d407f4f418d9b74f64ecbcc4
[INFO] running `Command { std: "docker" "start" "-a" "13b4fb6734bf19dbe9cb10aa1eaa9d9ce0f0bb19d407f4f418d9b74f64ecbcc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "13b4fb6734bf19dbe9cb10aa1eaa9d9ce0f0bb19d407f4f418d9b74f64ecbcc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13b4fb6734bf19dbe9cb10aa1eaa9d9ce0f0bb19d407f4f418d9b74f64ecbcc4", kill_on_drop: false }`
[INFO] [stdout] 13b4fb6734bf19dbe9cb10aa1eaa9d9ce0f0bb19d407f4f418d9b74f64ecbcc4
[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] fb4e113351f071c254eb5568b4a225b9a63f30d426dea4c4dd01f844d1593fc8
[INFO] running `Command { std: "docker" "start" "-a" "fb4e113351f071c254eb5568b4a225b9a63f30d426dea4c4dd01f844d1593fc8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]     Checking object v0.22.0
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]     Checking smallvec v0.4.5
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking addr2line v0.14.1
[INFO] [stderr]     Checking backtrace v0.3.55
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]     Checking ferris-says v0.2.0
[INFO] [stderr]     Checking hello-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.65s
[INFO] running `Command { std: "docker" "inspect" "fb4e113351f071c254eb5568b4a225b9a63f30d426dea4c4dd01f844d1593fc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb4e113351f071c254eb5568b4a225b9a63f30d426dea4c4dd01f844d1593fc8", kill_on_drop: false }`
[INFO] [stdout] fb4e113351f071c254eb5568b4a225b9a63f30d426dea4c4dd01f844d1593fc8
[INFO] checking Teapane/hello_rust against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTeapane%2Fhello_rust" "/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/Teapane/hello_rust 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/Teapane/hello_rust
[INFO] finished tweaking git repo https://github.com/Teapane/hello_rust
[INFO] tweaked toml for git repo https://github.com/Teapane/hello_rust written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Teapane/hello_rust 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] 028fc40a0d259fdf1cde866c98f69a70a5a0d2ba759cbca35c847245cbbefbde
[INFO] running `Command { std: "docker" "start" "-a" "028fc40a0d259fdf1cde866c98f69a70a5a0d2ba759cbca35c847245cbbefbde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "028fc40a0d259fdf1cde866c98f69a70a5a0d2ba759cbca35c847245cbbefbde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "028fc40a0d259fdf1cde866c98f69a70a5a0d2ba759cbca35c847245cbbefbde", kill_on_drop: false }`
[INFO] [stdout] 028fc40a0d259fdf1cde866c98f69a70a5a0d2ba759cbca35c847245cbbefbde
[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] e9e85e61e406b628e6d8456d697c2eb19d885885366fcbc2f67bc8db603ba36d
[INFO] running `Command { std: "docker" "start" "-a" "e9e85e61e406b628e6d8456d697c2eb19d885885366fcbc2f67bc8db603ba36d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking object v0.22.0
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]     Checking smallvec v0.4.5
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/miniz_oxide-0.4.3/src/inflate/core.rs:1060:9
[INFO] [stdout]      |
[INFO] [stdout] 1060 | /         match state {
[INFO] [stdout] 1061 | |             Start => generate_state!(state, 'state_machine, {
[INFO] [stdout] 1062 | |                 l.bit_buf = 0;
[INFO] [stdout] 1063 | |                 l.num_bits = 0;
[INFO] [stdout] ...    |
[INFO] [stdout] 1592 | |             _ => break TINFLStatus::Failed,
[INFO] [stdout] 1593 | |         };
[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 `miniz_oxide` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "e9e85e61e406b628e6d8456d697c2eb19d885885366fcbc2f67bc8db603ba36d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9e85e61e406b628e6d8456d697c2eb19d885885366fcbc2f67bc8db603ba36d", kill_on_drop: false }`
[INFO] [stdout] e9e85e61e406b628e6d8456d697c2eb19d885885366fcbc2f67bc8db603ba36d