[INFO] cloning repository https://github.com/crazycarl/Traveling-Salesman [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/crazycarl/Traveling-Salesman" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcrazycarl%2FTraveling-Salesman", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcrazycarl%2FTraveling-Salesman'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c2d29bddbda3a60fa76ae7c0dc4032165df6bfb0 [INFO] checking crazycarl/Traveling-Salesman against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcrazycarl%2FTraveling-Salesman" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/crazycarl/Traveling-Salesman 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/crazycarl/Traveling-Salesman [INFO] finished tweaking git repo https://github.com/crazycarl/Traveling-Salesman [INFO] tweaked toml for git repo https://github.com/crazycarl/Traveling-Salesman written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/crazycarl/Traveling-Salesman 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 crossbeam v0.7.1 [INFO] [stderr] Downloaded regex-automata v0.1.7 [INFO] [stderr] Downloaded bstr v0.2.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 465c003290e3ad31e3f7eff06c8f680020ba70d82d0830406d892d8e1a89049a [INFO] running `Command { std: "docker" "start" "-a" "465c003290e3ad31e3f7eff06c8f680020ba70d82d0830406d892d8e1a89049a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "465c003290e3ad31e3f7eff06c8f680020ba70d82d0830406d892d8e1a89049a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "465c003290e3ad31e3f7eff06c8f680020ba70d82d0830406d892d8e1a89049a", kill_on_drop: false }` [INFO] [stdout] 465c003290e3ad31e3f7eff06c8f680020ba70d82d0830406d892d8e1a89049a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 6337f43109c6a151ac759f13aa423e07b13a90e64aaf288e88808f1349e11089 [INFO] running `Command { std: "docker" "start" "-a" "6337f43109c6a151ac759f13aa423e07b13a90e64aaf288e88808f1349e11089", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.60 [INFO] [stderr] Checking cfg-if v0.1.9 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling arrayvec v0.4.11 [INFO] [stderr] Compiling serde v1.0.97 [INFO] [stderr] Compiling ryu v1.0.0 [INFO] [stderr] Checking smallvec v0.6.10 [INFO] [stderr] Checking crossbeam-utils v0.6.5 [INFO] [stderr] Checking itoa v0.4.4 [INFO] [stderr] Checking crossbeam-channel v0.3.8 [INFO] [stderr] Checking crossbeam-queue v0.1.2 [INFO] [stderr] Checking crossbeam-epoch v0.7.1 [INFO] [stderr] Checking regex-automata v0.1.7 [INFO] [stderr] Checking num_cpus v0.2.13 [INFO] [stderr] Checking crossbeam-deque v0.7.1 [INFO] [stderr] Checking crossbeam v0.7.1 [INFO] [stderr] Checking csv-core v0.1.6 [INFO] [stderr] Checking bstr v0.2.2 [INFO] [stderr] Checking csv v1.1.1 [INFO] [stderr] Checking traveling_sales_man v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.60s [INFO] running `Command { std: "docker" "inspect" "6337f43109c6a151ac759f13aa423e07b13a90e64aaf288e88808f1349e11089", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6337f43109c6a151ac759f13aa423e07b13a90e64aaf288e88808f1349e11089", kill_on_drop: false }` [INFO] [stdout] 6337f43109c6a151ac759f13aa423e07b13a90e64aaf288e88808f1349e11089 [INFO] checking crazycarl/Traveling-Salesman against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcrazycarl%2FTraveling-Salesman" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/crazycarl/Traveling-Salesman 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/crazycarl/Traveling-Salesman [INFO] finished tweaking git repo https://github.com/crazycarl/Traveling-Salesman [INFO] tweaked toml for git repo https://github.com/crazycarl/Traveling-Salesman written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/crazycarl/Traveling-Salesman 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 2056a3ef7454685f57f1a5a7668e9ab2f6eb35058e47fb5e987f25190465e1f6 [INFO] running `Command { std: "docker" "start" "-a" "2056a3ef7454685f57f1a5a7668e9ab2f6eb35058e47fb5e987f25190465e1f6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2056a3ef7454685f57f1a5a7668e9ab2f6eb35058e47fb5e987f25190465e1f6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2056a3ef7454685f57f1a5a7668e9ab2f6eb35058e47fb5e987f25190465e1f6", kill_on_drop: false }` [INFO] [stdout] 2056a3ef7454685f57f1a5a7668e9ab2f6eb35058e47fb5e987f25190465e1f6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 8d25e5d4fcb26621cdcfcb68d40c7face2fd5552f0c76f64d06ae8308dacfad2 [INFO] running `Command { std: "docker" "start" "-a" "8d25e5d4fcb26621cdcfcb68d40c7face2fd5552f0c76f64d06ae8308dacfad2", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.60 [INFO] [stderr] Checking cfg-if v0.1.9 [INFO] [stderr] Compiling arrayvec v0.4.11 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling serde v1.0.97 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Compiling ryu v1.0.0 [INFO] [stderr] Checking crossbeam-utils v0.6.5 [INFO] [stderr] Checking smallvec v0.6.10 [INFO] [stderr] Checking crossbeam-queue v0.1.2 [INFO] [stderr] Checking crossbeam-channel v0.3.8 [INFO] [stderr] Checking itoa v0.4.4 [INFO] [stderr] Checking crossbeam-epoch v0.7.1 [INFO] [stderr] Checking num_cpus v0.2.13 [INFO] [stderr] Checking regex-automata v0.1.7 [INFO] [stderr] Checking csv-core v0.1.6 [INFO] [stderr] Checking crossbeam-deque v0.7.1 [INFO] [stderr] Checking crossbeam v0.7.1 [INFO] [stderr] Checking bstr v0.2.2 [INFO] [stderr] Checking csv v1.1.1 [INFO] [stderr] Checking traveling_sales_man v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0283]: type annotations needed [INFO] [stdout] --> src/main.rs:402:21 [INFO] [stdout] | [INFO] [stdout] 402 | s.spawn(move |_| { [INFO] [stdout] | ----- ^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | type must be known at this point [INFO] [stdout] | [INFO] [stdout] = note: cannot satisfy `_: Send` [INFO] [stdout] note: required by a bound in `crossbeam::thread::Scope::<'env>::spawn` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/crossbeam-utils-0.6.5/src/thread.rs:244:12 [INFO] [stdout] | [INFO] [stdout] 240 | pub fn spawn<'scope, F, T>(&'scope self, f: F) -> ScopedJoinHandle<'scope, T> [INFO] [stdout] | ----- required by a bound in this associated function [INFO] [stdout] ... [INFO] [stdout] 244 | T: Send + 'env, [INFO] [stdout] | ^^^^ required by this bound in `Scope::<'env>::spawn` [INFO] [stdout] help: try giving this closure an explicit return type [INFO] [stdout] | [INFO] [stdout] 402 | s.spawn(move |_| -> /* Type */ { [INFO] [stdout] | +++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0283]: type annotations needed [INFO] [stdout] --> src/main.rs:402:21 [INFO] [stdout] | [INFO] [stdout] 402 | s.spawn(move |_| { [INFO] [stdout] | ----- ^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | type must be known at this point [INFO] [stdout] | [INFO] [stdout] = note: cannot satisfy `_: Send` [INFO] [stdout] note: required by a bound in `crossbeam::thread::Scope::<'env>::spawn` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/crossbeam-utils-0.6.5/src/thread.rs:244:12 [INFO] [stdout] | [INFO] [stdout] 240 | pub fn spawn<'scope, F, T>(&'scope self, f: F) -> ScopedJoinHandle<'scope, T> [INFO] [stdout] | ----- required by a bound in this associated function [INFO] [stdout] ... [INFO] [stdout] 244 | T: Send + 'env, [INFO] [stdout] | ^^^^ required by this bound in `Scope::<'env>::spawn` [INFO] [stdout] help: try giving this closure an explicit return type [INFO] [stdout] | [INFO] [stdout] 402 | s.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 E0283`. [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 E0283`. [INFO] [stdout] [INFO] [stderr] error: could not compile `traveling_sales_man` (bin "traveling_sales_man") due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `traveling_sales_man` (bin "traveling_sales_man" test) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "8d25e5d4fcb26621cdcfcb68d40c7face2fd5552f0c76f64d06ae8308dacfad2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8d25e5d4fcb26621cdcfcb68d40c7face2fd5552f0c76f64d06ae8308dacfad2", kill_on_drop: false }` [INFO] [stdout] 8d25e5d4fcb26621cdcfcb68d40c7face2fd5552f0c76f64d06ae8308dacfad2