[INFO] cloning repository https://github.com/h33333333/rscan [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/h33333333/rscan" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fh33333333%2Frscan", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fh33333333%2Frscan'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 9c8c6ce6f76c9bc6312b16ccf28a787ae1d266d6 [INFO] checking h33333333/rscan against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fh33333333%2Frscan" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/h33333333/rscan 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/h33333333/rscan [INFO] finished tweaking git repo https://github.com/h33333333/rscan [INFO] tweaked toml for git repo https://github.com/h33333333/rscan written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/h33333333/rscan 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 ipnetwork v0.19.0 [INFO] [stderr] Downloaded pnet_base v0.31.0 [INFO] [stderr] Downloaded pnet_sys v0.31.0 [INFO] [stderr] Downloaded pnet_datalink v0.31.0 [INFO] [stderr] Downloaded pnet_macros v0.31.0 [INFO] [stderr] Downloaded pnet_packet v0.31.0 [INFO] [stderr] Downloaded pnet v0.31.0 [INFO] [stderr] Downloaded pnet_macros_support v0.31.0 [INFO] [stderr] Downloaded pnet_transport v0.31.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] d32f845eeb7389d49ef9c44cc0ffe65e128d7c23c45d5ff3c8b55ec5f9d60a1e [INFO] running `Command { std: "docker" "start" "-a" "d32f845eeb7389d49ef9c44cc0ffe65e128d7c23c45d5ff3c8b55ec5f9d60a1e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d32f845eeb7389d49ef9c44cc0ffe65e128d7c23c45d5ff3c8b55ec5f9d60a1e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d32f845eeb7389d49ef9c44cc0ffe65e128d7c23c45d5ff3c8b55ec5f9d60a1e", kill_on_drop: false }` [INFO] [stdout] d32f845eeb7389d49ef9c44cc0ffe65e128d7c23c45d5ff3c8b55ec5f9d60a1e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] bd9845d3580c5fa240a76d7e7a51a66bb23ca5a37145b4245ef31824a903794d [INFO] running `Command { std: "docker" "start" "-a" "bd9845d3580c5fa240a76d7e7a51a66bb23ca5a37145b4245ef31824a903794d", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Compiling proc-macro2 v1.0.40 [INFO] [stderr] Compiling quote v1.0.20 [INFO] [stderr] Compiling unicode-ident v1.0.2 [INFO] [stderr] Compiling syn v1.0.98 [INFO] [stderr] Checking no-std-net v0.6.0 [INFO] [stderr] Compiling regex-syntax v0.6.27 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Checking pnet_base v0.31.0 [INFO] [stderr] Compiling serde v1.0.140 [INFO] [stderr] Checking pnet_macros_support v0.31.0 [INFO] [stderr] Compiling pnet v0.31.0 [INFO] [stderr] Checking ppv-lite86 v0.2.16 [INFO] [stderr] Compiling aho-corasick v0.7.18 [INFO] [stderr] Checking getrandom v0.2.7 [INFO] [stderr] Checking pnet_sys v0.31.0 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Compiling regex v1.6.0 [INFO] [stderr] Checking ipnetwork v0.19.0 [INFO] [stderr] Checking pnet_datalink v0.31.0 [INFO] [stderr] Compiling pnet_macros v0.31.0 [INFO] [stderr] Checking pnet_packet v0.31.0 [INFO] [stderr] Checking pnet_transport v0.31.0 [INFO] [stderr] Checking rscan v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `pnet` is imported redundantly [INFO] [stdout] --> src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use pnet; [INFO] [stdout] | ^^^^ the item `pnet` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `pnet_datalink` is imported redundantly [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use pnet_datalink; [INFO] [stdout] | ^^^^^^^^^^^^^ the item `pnet_datalink` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `pnet_transport` is imported redundantly [INFO] [stdout] --> src/main.rs:7:22 [INFO] [stdout] | [INFO] [stdout] 7 | use pnet_transport::{self, icmp_packet_iter}; [INFO] [stdout] | ^^^^ the item `pnet_transport` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `rand` is imported redundantly [INFO] [stdout] --> src/main.rs:8:12 [INFO] [stdout] | [INFO] [stdout] 8 | use rand::{self, Rng}; [INFO] [stdout] | ^^^^ the item `rand` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `pnet` is imported redundantly [INFO] [stdout] --> src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use pnet; [INFO] [stdout] | ^^^^ the item `pnet` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `pnet_datalink` is imported redundantly [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use pnet_datalink; [INFO] [stdout] | ^^^^^^^^^^^^^ the item `pnet_datalink` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `pnet_transport` is imported redundantly [INFO] [stdout] --> src/main.rs:7:22 [INFO] [stdout] | [INFO] [stdout] 7 | use pnet_transport::{self, icmp_packet_iter}; [INFO] [stdout] | ^^^^ the item `pnet_transport` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `rand` is imported redundantly [INFO] [stdout] --> src/main.rs:8:12 [INFO] [stdout] | [INFO] [stdout] 8 | use rand::{self, Rng}; [INFO] [stdout] | ^^^^ the item `rand` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.25s [INFO] running `Command { std: "docker" "inspect" "bd9845d3580c5fa240a76d7e7a51a66bb23ca5a37145b4245ef31824a903794d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bd9845d3580c5fa240a76d7e7a51a66bb23ca5a37145b4245ef31824a903794d", kill_on_drop: false }` [INFO] [stdout] bd9845d3580c5fa240a76d7e7a51a66bb23ca5a37145b4245ef31824a903794d [INFO] checking h33333333/rscan against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fh33333333%2Frscan" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/h33333333/rscan 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/h33333333/rscan [INFO] finished tweaking git repo https://github.com/h33333333/rscan [INFO] tweaked toml for git repo https://github.com/h33333333/rscan written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/h33333333/rscan 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] b2656378642399f51ae0508e6c3bf51e4072bc1026215716e1a3b450b4c86aad [INFO] running `Command { std: "docker" "start" "-a" "b2656378642399f51ae0508e6c3bf51e4072bc1026215716e1a3b450b4c86aad", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b2656378642399f51ae0508e6c3bf51e4072bc1026215716e1a3b450b4c86aad", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b2656378642399f51ae0508e6c3bf51e4072bc1026215716e1a3b450b4c86aad", kill_on_drop: false }` [INFO] [stdout] b2656378642399f51ae0508e6c3bf51e4072bc1026215716e1a3b450b4c86aad [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 1ea4cfd0a74839be8d072fee52e1286a8269227ba56cbfa2a747b790b5e20e34 [INFO] running `Command { std: "docker" "start" "-a" "1ea4cfd0a74839be8d072fee52e1286a8269227ba56cbfa2a747b790b5e20e34", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Compiling proc-macro2 v1.0.40 [INFO] [stderr] Compiling unicode-ident v1.0.2 [INFO] [stderr] Compiling quote v1.0.20 [INFO] [stderr] Checking no-std-net v0.6.0 [INFO] [stderr] Compiling syn v1.0.98 [INFO] [stderr] Compiling serde v1.0.140 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Checking pnet_base v0.31.0 [INFO] [stderr] Compiling regex-syntax v0.6.27 [INFO] [stderr] Checking pnet_macros_support v0.31.0 [INFO] [stderr] Compiling pnet v0.31.0 [INFO] [stderr] Checking ppv-lite86 v0.2.16 [INFO] [stderr] Compiling aho-corasick v0.7.18 [INFO] [stderr] Checking pnet_sys v0.31.0 [INFO] [stderr] Checking getrandom v0.2.7 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Compiling regex v1.6.0 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-1.6.0/src/exec.rs:848:13 [INFO] [stdout] | [INFO] [stdout] 848 | / match dfa::Fsm::reverse( [INFO] [stdout] 849 | | &self.ro.dfa_reverse, [INFO] [stdout] 850 | | self.cache.value(), [INFO] [stdout] 851 | | false, [INFO] [stdout] ... | [INFO] [stdout] 862 | | Quit => return Some(Quit), [INFO] [stdout] 863 | | }; [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" "1ea4cfd0a74839be8d072fee52e1286a8269227ba56cbfa2a747b790b5e20e34", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1ea4cfd0a74839be8d072fee52e1286a8269227ba56cbfa2a747b790b5e20e34", kill_on_drop: false }` [INFO] [stdout] 1ea4cfd0a74839be8d072fee52e1286a8269227ba56cbfa2a747b790b5e20e34