[INFO] cloning repository https://github.com/jvns/ltrace-bcc [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jvns/ltrace-bcc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjvns%2Fltrace-bcc", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjvns%2Fltrace-bcc'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f35407cc72485c336397af8dbf5c759befcf6d5b [INFO] checking jvns/ltrace-bcc against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjvns%2Fltrace-bcc" "/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/jvns/ltrace-bcc 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/jvns/ltrace-bcc [INFO] finished tweaking git repo https://github.com/jvns/ltrace-bcc [INFO] tweaked toml for git repo https://github.com/jvns/ltrace-bcc written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/jvns/ltrace-bcc 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 unicode-xid v0.0.4 [INFO] [stderr] Downloaded scroll_derive v0.8.0 [INFO] [stderr] Downloaded synom v0.11.3 [INFO] [stderr] Downloaded cfg-if v0.1.2 [INFO] [stderr] Downloaded atty v0.2.6 [INFO] [stderr] Downloaded bcc-sys v0.4.0 [INFO] [stderr] Downloaded goblin v0.0.14 [INFO] [stderr] Downloaded ansi_term v0.10.2 [INFO] [stderr] Downloaded redox_syscall v0.1.37 [INFO] [stderr] Downloaded syn v0.11.11 [INFO] [stderr] Downloaded bitflags v1.0.1 [INFO] [stderr] Downloaded clap v2.30.0 [INFO] [stderr] Downloaded bindgen v0.31.3 [INFO] [stderr] Downloaded backtrace-sys v0.1.16 [INFO] [stderr] Downloaded regex-syntax v0.4.2 [INFO] [stderr] Downloaded regex v0.2.6 [INFO] [stderr] Downloaded winapi v0.3.4 [INFO] [stderr] Downloaded libc v0.2.36 [INFO] [stderr] Downloaded textwrap v0.9.0 [INFO] [stderr] Downloaded unicode-width v0.1.4 [INFO] [stderr] Downloaded vec_map v0.8.0 [INFO] [stderr] Downloaded aho-corasick v0.6.4 [INFO] [stderr] Downloaded memchr v2.0.1 [INFO] [stderr] Downloaded lazy_static v1.0.0 [INFO] [stderr] Downloaded unreachable v1.0.0 [INFO] [stderr] Downloaded thread_local v0.3.5 [INFO] [stderr] Downloaded utf8-ranges v1.0.0 [INFO] [stderr] Downloaded lazy_static v0.2.11 [INFO] [stderr] Downloaded byteorder v1.2.1 [INFO] [stderr] Downloaded bcc v0.0.3 [INFO] [stderr] Downloaded cc v1.0.4 [INFO] [stderr] Downloaded rustc-demangle v0.1.6 [INFO] [stderr] Downloaded backtrace v0.3.5 [INFO] [stderr] Downloaded synstructure v0.6.1 [INFO] [stderr] Downloaded failure_derive v0.1.1 [INFO] [stderr] Downloaded failure v0.1.1 [INFO] [stderr] Downloaded log v0.4.1 [INFO] [stderr] Downloaded plain v0.2.3 [INFO] [stderr] Downloaded quote v0.3.15 [INFO] [stderr] Downloaded scroll v0.8.0 [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] 63b4ec45bcb549f0785eba88fc93acea2709f2e04e09a1062e9ebdafbd7b754c [INFO] running `Command { std: "docker" "start" "-a" "63b4ec45bcb549f0785eba88fc93acea2709f2e04e09a1062e9ebdafbd7b754c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "63b4ec45bcb549f0785eba88fc93acea2709f2e04e09a1062e9ebdafbd7b754c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "63b4ec45bcb549f0785eba88fc93acea2709f2e04e09a1062e9ebdafbd7b754c", kill_on_drop: false }` [INFO] [stdout] 63b4ec45bcb549f0785eba88fc93acea2709f2e04e09a1062e9ebdafbd7b754c [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] 84e2bfccaa048591c3a657cd1016e975dcb66481c0a8bb874ff5976a95ca8af5 [INFO] running `Command { std: "docker" "start" "-a" "84e2bfccaa048591c3a657cd1016e975dcb66481c0a8bb874ff5976a95ca8af5", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.36 [INFO] [stderr] Compiling quote v0.3.15 [INFO] [stderr] Compiling lazy_static v1.0.0 [INFO] [stderr] Compiling glob v0.2.11 [INFO] [stderr] Compiling unicode-xid v0.0.4 [INFO] [stderr] Compiling void v1.0.2 [INFO] [stderr] Compiling cfg-if v0.1.2 [INFO] [stderr] Compiling libloading v0.4.3 [INFO] [stderr] Compiling utf8-ranges v1.0.0 [INFO] [stderr] Compiling regex-syntax v0.4.2 [INFO] [stderr] Compiling unicode-width v0.1.4 [INFO] [stderr] Compiling ansi_term v0.10.2 [INFO] [stderr] Compiling vec_map v0.8.0 [INFO] [stderr] Compiling cc v1.0.4 [INFO] [stderr] Compiling bitflags v1.0.1 [INFO] [stderr] Compiling unreachable v1.0.0 [INFO] [stderr] Compiling log v0.4.1 [INFO] [stderr] Compiling synom v0.11.3 [INFO] [stderr] Compiling textwrap v0.9.0 [INFO] [stderr] Compiling strsim v0.7.0 [INFO] [stderr] Compiling bindgen v0.31.3 [INFO] [stderr] Compiling thread_local v0.3.5 [INFO] [stderr] Compiling lazy_static v0.2.11 [INFO] [stderr] Compiling syn v0.11.11 [INFO] [stderr] Compiling peeking_take_while v0.1.2 [INFO] [stderr] Compiling log v0.3.9 [INFO] [stderr] Checking rustc-demangle v0.1.6 [INFO] [stderr] Checking byteorder v1.2.1 [INFO] [stderr] Checking plain v0.2.3 [INFO] [stderr] Compiling clang-sys v0.21.2 [INFO] [stderr] Compiling memchr v2.0.1 [INFO] [stderr] Compiling memchr v1.0.2 [INFO] [stderr] Compiling atty v0.2.6 [INFO] [stderr] Compiling which v1.0.5 [INFO] [stderr] Compiling clap v2.30.0 [INFO] [stderr] Compiling nom v3.2.1 [INFO] [stderr] Compiling aho-corasick v0.6.4 [INFO] [stderr] Compiling backtrace-sys v0.1.16 [INFO] [stderr] Compiling regex v0.2.6 [INFO] [stderr] Compiling synstructure v0.6.1 [INFO] [stderr] Compiling scroll_derive v0.8.0 [INFO] [stderr] Compiling cexpr v0.2.3 [INFO] [stderr] Compiling failure_derive v0.1.1 [INFO] [stderr] Checking scroll v0.8.0 [INFO] [stderr] Compiling env_logger v0.4.3 [INFO] [stderr] Checking goblin v0.0.14 [INFO] [stderr] Compiling bcc-sys v0.4.0 [INFO] [stderr] Checking backtrace v0.3.5 [INFO] [stderr] Checking failure v0.1.1 [INFO] [stderr] Checking bcc v0.0.3 [INFO] [stderr] Checking ltrace-bcc v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:169:32 [INFO] [stdout] | [INFO] [stdout] 169 | fn perf_data_callback() -> Box { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 169 | fn perf_data_callback() -> Box { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:169:32 [INFO] [stdout] | [INFO] [stdout] 169 | fn perf_data_callback() -> Box { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 169 | fn perf_data_callback() -> Box { [INFO] [stdout] | +++ [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 7.94s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v3.2.1 [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" "84e2bfccaa048591c3a657cd1016e975dcb66481c0a8bb874ff5976a95ca8af5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "84e2bfccaa048591c3a657cd1016e975dcb66481c0a8bb874ff5976a95ca8af5", kill_on_drop: false }` [INFO] [stdout] 84e2bfccaa048591c3a657cd1016e975dcb66481c0a8bb874ff5976a95ca8af5 [INFO] checking jvns/ltrace-bcc against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjvns%2Fltrace-bcc" "/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/jvns/ltrace-bcc 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/jvns/ltrace-bcc [INFO] finished tweaking git repo https://github.com/jvns/ltrace-bcc [INFO] tweaked toml for git repo https://github.com/jvns/ltrace-bcc written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/jvns/ltrace-bcc 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] 20e9a42d19d28e37a6b5daf3740817748eb634c3afa127825ca45639c2787e9f [INFO] running `Command { std: "docker" "start" "-a" "20e9a42d19d28e37a6b5daf3740817748eb634c3afa127825ca45639c2787e9f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "20e9a42d19d28e37a6b5daf3740817748eb634c3afa127825ca45639c2787e9f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "20e9a42d19d28e37a6b5daf3740817748eb634c3afa127825ca45639c2787e9f", kill_on_drop: false }` [INFO] [stdout] 20e9a42d19d28e37a6b5daf3740817748eb634c3afa127825ca45639c2787e9f [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] c6bf2ab98fa0ebedd6205c9196807a9828d69572a7fff61afa454094aee716bf [INFO] running `Command { std: "docker" "start" "-a" "c6bf2ab98fa0ebedd6205c9196807a9828d69572a7fff61afa454094aee716bf", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.36 [INFO] [stderr] Compiling quote v0.3.15 [INFO] [stderr] Compiling lazy_static v1.0.0 [INFO] [stderr] Compiling glob v0.2.11 [INFO] [stderr] Compiling void v1.0.2 [INFO] [stderr] Compiling unicode-xid v0.0.4 [INFO] [stderr] Compiling cfg-if v0.1.2 [INFO] [stderr] Compiling libloading v0.4.3 [INFO] [stderr] Compiling regex-syntax v0.4.2 [INFO] [stderr] Compiling unicode-width v0.1.4 [INFO] [stderr] Compiling utf8-ranges v1.0.0 [INFO] [stderr] Compiling bitflags v1.0.1 [INFO] [stderr] Compiling vec_map v0.8.0 [INFO] [stderr] Compiling bindgen v0.31.3 [INFO] [stderr] Compiling strsim v0.7.0 [INFO] [stderr] Compiling cc v1.0.4 [INFO] [stderr] Compiling unreachable v1.0.0 [INFO] [stderr] Compiling synom v0.11.3 [INFO] [stderr] Compiling log v0.4.1 [INFO] [stderr] Compiling textwrap v0.9.0 [INFO] [stderr] Compiling ansi_term v0.10.2 [INFO] [stderr] Compiling thread_local v0.3.5 [INFO] [stderr] Compiling peeking_take_while v0.1.2 [INFO] [stderr] Compiling lazy_static v0.2.11 [INFO] [stderr] Compiling syn v0.11.11 [INFO] [stderr] Compiling log v0.3.9 [INFO] [stderr] Checking rustc-demangle v0.1.6 [INFO] [stderr] Checking plain v0.2.3 [INFO] [stderr] Checking byteorder v1.2.1 [INFO] [stderr] Compiling clang-sys v0.21.2 [INFO] [stderr] Compiling memchr v2.0.1 [INFO] [stderr] Compiling memchr v1.0.2 [INFO] [stderr] Compiling atty v0.2.6 [INFO] [stderr] Compiling which v1.0.5 [INFO] [stderr] Compiling clap v2.30.0 [INFO] [stderr] Compiling aho-corasick v0.6.4 [INFO] [stderr] Compiling nom v3.2.1 [INFO] [stderr] Compiling backtrace-sys v0.1.16 [INFO] [stderr] Compiling regex v0.2.6 [INFO] [stderr] Compiling synstructure v0.6.1 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-0.2.6/src/exec.rs:742:13 [INFO] [stdout] | [INFO] [stdout] 742 | / match dfa::Fsm::reverse( [INFO] [stdout] 743 | | &self.ro.dfa_reverse, [INFO] [stdout] 744 | | self.cache, [INFO] [stdout] 745 | | false, [INFO] [stdout] ... | [INFO] [stdout] 752 | | Quit => return Some(Quit), [INFO] [stdout] 753 | | }; [INFO] [stdout] | |_____________^ cannot infer type [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling scroll_derive v0.8.0 [INFO] [stderr] Compiling cexpr v0.2.3 [INFO] [stderr] Compiling failure_derive v0.1.1 [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" "c6bf2ab98fa0ebedd6205c9196807a9828d69572a7fff61afa454094aee716bf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c6bf2ab98fa0ebedd6205c9196807a9828d69572a7fff61afa454094aee716bf", kill_on_drop: false }` [INFO] [stdout] c6bf2ab98fa0ebedd6205c9196807a9828d69572a7fff61afa454094aee716bf