[INFO] fetching crate emd_earcutr 0.1.0... [INFO] checking emd_earcutr-0.1.0 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170 [INFO] extracting crate emd_earcutr 0.1.0 into /workspace/builds/worker-6-tc1/source [INFO] started tweaking crates.io crate emd_earcutr 0.1.0 [INFO] finished tweaking crates.io crate emd_earcutr 0.1.0 [INFO] tweaked toml for crates.io crate emd_earcutr 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate emd_earcutr 0.1.0 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate emd_earcutr 0.1.0 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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 116a7190a8ef3f7174b9d3902fd8a78c9e29c928be4a6703128ccf7cf9aac356 [INFO] running `Command { std: "docker" "start" "-a" "116a7190a8ef3f7174b9d3902fd8a78c9e29c928be4a6703128ccf7cf9aac356", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "116a7190a8ef3f7174b9d3902fd8a78c9e29c928be4a6703128ccf7cf9aac356", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "116a7190a8ef3f7174b9d3902fd8a78c9e29c928be4a6703128ccf7cf9aac356", kill_on_drop: false }` [INFO] [stdout] 116a7190a8ef3f7174b9d3902fd8a78c9e29c928be4a6703128ccf7cf9aac356 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b09643533bceb4256c3ee818cc3ea0bee72cbbe01f535bf9b7ad6e3d47173e2f [INFO] running `Command { std: "docker" "start" "-a" "b09643533bceb4256c3ee818cc3ea0bee72cbbe01f535bf9b7ad6e3d47173e2f", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.50 [INFO] [stderr] Compiling quote v1.0.23 [INFO] [stderr] Compiling unicode-ident v1.0.6 [INFO] [stderr] Compiling serde v1.0.152 [INFO] [stderr] Compiling syn v1.0.107 [INFO] [stderr] Compiling serde_json v1.0.91 [INFO] [stderr] Compiling serde_derive v1.0.152 [INFO] [stderr] Checking ryu v1.0.12 [INFO] [stderr] Checking itoa v1.0.5 [INFO] [stderr] Checking bencher v0.1.5 [INFO] [stderr] Checking emd_earcutr v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:115:13 [INFO] [stdout] | [INFO] [stdout] 115 | fn iter(&self, r: std::ops::Range) -> NodeIterator { [INFO] [stdout] | ^^^^^ ------------ the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 115 | fn iter(&self, r: std::ops::Range) -> NodeIterator<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:118:19 [INFO] [stdout] | [INFO] [stdout] 118 | fn iter_pairs(&self, r: std::ops::Range) -> NodePairIterator { [INFO] [stdout] | ^^^^^ ---------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 118 | fn iter_pairs(&self, r: std::ops::Range) -> NodePairIterator<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:182:16 [INFO] [stdout] | [INFO] [stdout] 182 | fn new(ll: &LinkedLists, start: NodeIdx, end: NodeIdx) -> NodeIterator { [INFO] [stdout] | ^^^^^^^^^^^^ this lifetime flows to the output ------------ the lifetime gets resolved as `'_` [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 182 | fn new(ll: &LinkedLists, start: NodeIdx, end: NodeIdx) -> NodeIterator<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:215:16 [INFO] [stdout] | [INFO] [stdout] 215 | fn new(ll: &LinkedLists, start: NodeIdx, end: NodeIdx) -> NodePairIterator { [INFO] [stdout] | ^^^^^^^^^^^^ this lifetime flows to the output ---------------- the lifetime gets resolved as `'_` [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 215 | fn new(ll: &LinkedLists, start: NodeIdx, end: NodeIdx) -> NodePairIterator<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.50/src/lib.rs:92:30 [INFO] [stdout] | [INFO] [stdout] 92 | feature(proc_macro_span, proc_macro_span_shrink) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0635`. [INFO] [stdout] [INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 1 previous error [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "b09643533bceb4256c3ee818cc3ea0bee72cbbe01f535bf9b7ad6e3d47173e2f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b09643533bceb4256c3ee818cc3ea0bee72cbbe01f535bf9b7ad6e3d47173e2f", kill_on_drop: false }` [INFO] [stdout] b09643533bceb4256c3ee818cc3ea0bee72cbbe01f535bf9b7ad6e3d47173e2f