[INFO] fetching crate range-set 0.0.11...
[INFO] checking range-set-0.0.11 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate range-set 0.0.11 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate range-set 0.0.11
[INFO] finished tweaking crates.io crate range-set 0.0.11
[INFO] tweaked toml for crates.io crate range-set 0.0.11 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate range-set 0.0.11 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 range-set 0.0.11 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-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] d02ca9148478fb721fc05e46a38e9ea30d4f9e926e0da5ba04824afd2a6c36bd
[INFO] running `Command { std: "docker" "start" "-a" "d02ca9148478fb721fc05e46a38e9ea30d4f9e926e0da5ba04824afd2a6c36bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d02ca9148478fb721fc05e46a38e9ea30d4f9e926e0da5ba04824afd2a6c36bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d02ca9148478fb721fc05e46a38e9ea30d4f9e926e0da5ba04824afd2a6c36bd", kill_on_drop: false }`
[INFO] [stdout] d02ca9148478fb721fc05e46a38e9ea30d4f9e926e0da5ba04824afd2a6c36bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] dd61a6c96900ade87fb5cc600ae13b2d6b00ae74f93a8a6cb32d1782b67744fc
[INFO] running `Command { std: "docker" "start" "-a" "dd61a6c96900ade87fb5cc600ae13b2d6b00ae74f93a8a6cb32d1782b67744fc", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking getrandom v0.2.11
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand_xorshift v0.3.0
[INFO] [stderr]     Checking range-set v0.0.11 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:686:16
[INFO] [stdout]     |
[INFO] [stdout] 686 |   pub fn iter (&self) -> Iter <A, T> {
[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] 686 |   pub fn iter (&self) -> Iter <'_, A, T> {
[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:686:16
[INFO] [stdout]     |
[INFO] [stdout] 686 |   pub fn iter (&self) -> Iter <A, T> {
[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] 686 |   pub fn iter (&self) -> Iter <'_, A, T> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.58s
[INFO] running `Command { std: "docker" "inspect" "dd61a6c96900ade87fb5cc600ae13b2d6b00ae74f93a8a6cb32d1782b67744fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd61a6c96900ade87fb5cc600ae13b2d6b00ae74f93a8a6cb32d1782b67744fc", kill_on_drop: false }`
[INFO] [stdout] dd61a6c96900ade87fb5cc600ae13b2d6b00ae74f93a8a6cb32d1782b67744fc