[INFO] cloning repository https://github.com/benjaminmwilson/rust-webservice-helloworld [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/benjaminmwilson/rust-webservice-helloworld" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenjaminmwilson%2Frust-webservice-helloworld", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenjaminmwilson%2Frust-webservice-helloworld'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 76fa9711d553619a132693425a3ed5ea9eb59e5b [INFO] checking benjaminmwilson/rust-webservice-helloworld against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenjaminmwilson%2Frust-webservice-helloworld" "/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/benjaminmwilson/rust-webservice-helloworld 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/benjaminmwilson/rust-webservice-helloworld [INFO] finished tweaking git repo https://github.com/benjaminmwilson/rust-webservice-helloworld [INFO] tweaked toml for git repo https://github.com/benjaminmwilson/rust-webservice-helloworld written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/benjaminmwilson/rust-webservice-helloworld 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-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] 30d19736bcaae7072408d85c3a48f1f04e1b6f89126c4e97d0f69fe8a22f7040 [INFO] running `Command { std: "docker" "start" "-a" "30d19736bcaae7072408d85c3a48f1f04e1b6f89126c4e97d0f69fe8a22f7040", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "30d19736bcaae7072408d85c3a48f1f04e1b6f89126c4e97d0f69fe8a22f7040", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "30d19736bcaae7072408d85c3a48f1f04e1b6f89126c4e97d0f69fe8a22f7040", kill_on_drop: false }` [INFO] [stdout] 30d19736bcaae7072408d85c3a48f1f04e1b6f89126c4e97d0f69fe8a22f7040 [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] aead63f96176a8e82b426d9d0c3753b17af28046f2d324f77615aa704ec0c23c [INFO] running `Command { std: "docker" "start" "-a" "aead63f96176a8e82b426d9d0c3753b17af28046f2d324f77615aa704ec0c23c", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.54 [INFO] [stderr] Checking cfg-if v0.1.7 [INFO] [stderr] Checking traitobject v0.1.0 [INFO] [stderr] Checking matches v0.1.8 [INFO] [stderr] Compiling byteorder v1.3.1 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Checking smallvec v0.6.9 [INFO] [stderr] Compiling serde v1.0.91 [INFO] [stderr] Checking log v0.4.6 [INFO] [stderr] Compiling memchr v2.2.0 [INFO] [stderr] Checking unicode-bidi v0.3.4 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Checking unicode-normalization v0.1.8 [INFO] [stderr] Compiling httparse v1.3.3 [INFO] [stderr] Compiling unicase v1.4.2 [INFO] [stderr] Compiling ryu v0.2.8 [INFO] [stderr] Checking unsafe-any v0.4.2 [INFO] [stderr] Checking percent-encoding v1.0.1 [INFO] [stderr] Checking safemem v0.3.0 [INFO] [stderr] Checking ucd-util v0.1.3 [INFO] [stderr] Compiling regex v1.1.6 [INFO] [stderr] Checking lazy_static v1.3.0 [INFO] [stderr] Checking regex-syntax v0.6.6 [INFO] [stderr] Checking base64 v0.9.3 [INFO] [stderr] Checking aho-corasick v0.7.3 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking time v0.1.42 [INFO] [stderr] Checking num_cpus v1.10.0 [INFO] [stderr] Checking typemap v0.3.3 [INFO] [stderr] Checking mime v0.2.6 [INFO] [stderr] Checking utf8-ranges v1.0.2 [INFO] [stderr] Checking typeable v0.1.2 [INFO] [stderr] Checking language-tags v0.2.2 [INFO] [stderr] Checking itoa v0.4.4 [INFO] [stderr] Checking plugin v0.2.6 [INFO] [stderr] Checking groupable v0.2.0 [INFO] [stderr] Checking modifier v0.1.0 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Checking url v1.7.2 [INFO] [stderr] Checking hyper v0.10.16 [INFO] [stderr] Checking serde_json v1.0.39 [INFO] [stderr] Checking mustache v0.9.0 [INFO] [stderr] Checking nickel v0.11.0 [INFO] [stderr] Checking rust-webservice-helloworld v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `MediaType`, `Options` [INFO] [stdout] --> src/main.rs:3:34 [INFO] [stdout] | [INFO] [stdout] 3 | use nickel::{Nickel, HttpRouter, MediaType, Options}; [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `MediaType`, `Options` [INFO] [stdout] --> src/main.rs:3:34 [INFO] [stdout] | [INFO] [stdout] 3 | use nickel::{Nickel, HttpRouter, MediaType, Options}; [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 2.88s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: traitobject v0.1.0 [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" "aead63f96176a8e82b426d9d0c3753b17af28046f2d324f77615aa704ec0c23c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "aead63f96176a8e82b426d9d0c3753b17af28046f2d324f77615aa704ec0c23c", kill_on_drop: false }` [INFO] [stdout] aead63f96176a8e82b426d9d0c3753b17af28046f2d324f77615aa704ec0c23c [INFO] checking benjaminmwilson/rust-webservice-helloworld against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenjaminmwilson%2Frust-webservice-helloworld" "/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/benjaminmwilson/rust-webservice-helloworld 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/benjaminmwilson/rust-webservice-helloworld [INFO] finished tweaking git repo https://github.com/benjaminmwilson/rust-webservice-helloworld [INFO] tweaked toml for git repo https://github.com/benjaminmwilson/rust-webservice-helloworld written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/benjaminmwilson/rust-webservice-helloworld 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] ddde9fe4981d26181b679d05be607ff598eaf7c84d90526d31be1d3be16ea541 [INFO] running `Command { std: "docker" "start" "-a" "ddde9fe4981d26181b679d05be607ff598eaf7c84d90526d31be1d3be16ea541", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ddde9fe4981d26181b679d05be607ff598eaf7c84d90526d31be1d3be16ea541", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ddde9fe4981d26181b679d05be607ff598eaf7c84d90526d31be1d3be16ea541", kill_on_drop: false }` [INFO] [stdout] ddde9fe4981d26181b679d05be607ff598eaf7c84d90526d31be1d3be16ea541 [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] 0d15f4f81707c8f24522a21cc79c53892773499246e59a02defd1dfacd672714 [INFO] running `Command { std: "docker" "start" "-a" "0d15f4f81707c8f24522a21cc79c53892773499246e59a02defd1dfacd672714", kill_on_drop: false }` [INFO] [stderr] Checking cfg-if v0.1.7 [INFO] [stderr] Compiling libc v0.2.54 [INFO] [stderr] Compiling memchr v2.2.0 [INFO] [stderr] Checking matches v0.1.8 [INFO] [stderr] Checking smallvec v0.6.9 [INFO] [stderr] Compiling serde v1.0.91 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Compiling byteorder v1.3.1 [INFO] [stderr] Checking log v0.4.6 [INFO] [stderr] Checking traitobject v0.1.0 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Checking unicode-bidi v0.3.4 [INFO] [stderr] Checking unicode-normalization v0.1.8 [INFO] [stderr] Compiling httparse v1.3.3 [INFO] [stderr] Compiling unicase v1.4.2 [INFO] [stderr] Compiling ryu v0.2.8 [INFO] [stderr] Checking unsafe-any v0.4.2 [INFO] [stderr] Compiling regex v1.1.6 [INFO] [stderr] Checking percent-encoding v1.0.1 [INFO] [stderr] Checking safemem v0.3.0 [INFO] [stderr] Checking lazy_static v1.3.0 [INFO] [stderr] Checking ucd-util v0.1.3 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking num_cpus v1.10.0 [INFO] [stderr] Checking time v0.1.42 [INFO] [stderr] Checking regex-syntax v0.6.6 [INFO] [stderr] Checking base64 v0.9.3 [INFO] [stderr] Checking typemap v0.3.3 [INFO] [stderr] Checking aho-corasick v0.7.3 [INFO] [stderr] Checking mime v0.2.6 [INFO] [stderr] Checking typeable v0.1.2 [INFO] [stderr] Checking language-tags v0.2.2 [INFO] [stderr] Checking itoa v0.4.4 [INFO] [stderr] Checking utf8-ranges v1.0.2 [INFO] [stderr] Checking plugin v0.2.6 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Checking groupable v0.2.0 [INFO] [stderr] Checking modifier v0.1.0 [INFO] [stderr] Checking url v1.7.2 [INFO] [stderr] Checking hyper v0.10.16 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-1.1.6/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[E0283]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/hyper-0.10.16/src/server/listener.rs:45:19 [INFO] [stdout] | [INFO] [stdout] 45 | thread::spawn(move || { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: cannot satisfy `_: Send` [INFO] [stdout] note: required by a bound in `spawn` [INFO] [stdout] --> /rustc/3a4bc97f6385a3aa300a4fd689b44350e54fd676/library/std/src/thread/mod.rs:672:1 [INFO] [stdout] help: try giving this closure an explicit return type [INFO] [stdout] | [INFO] [stdout] 45 | thread::spawn(move || -> /* Type */ { [INFO] [stdout] | +++++++++++++ [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] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0283`. [INFO] [stdout] [INFO] [stderr] error: could not compile `hyper` (lib) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "0d15f4f81707c8f24522a21cc79c53892773499246e59a02defd1dfacd672714", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0d15f4f81707c8f24522a21cc79c53892773499246e59a02defd1dfacd672714", kill_on_drop: false }` [INFO] [stdout] 0d15f4f81707c8f24522a21cc79c53892773499246e59a02defd1dfacd672714