[INFO] fetching crate chi 0.0.1...
[INFO] checking chi-0.0.1 against master#39b841dfe36f90a7cd111e7f0c55f32594f6e578 for pr-77035
[INFO] extracting crate chi 0.0.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate chi 0.0.1 on toolchain 39b841dfe36f90a7cd111e7f0c55f32594f6e578
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate chi 0.0.1
[INFO] finished tweaking crates.io crate chi 0.0.1
[INFO] tweaked toml for crates.io crate chi 0.0.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] cd00b150bf41b4687a49083237e73ebe5a08a6260cb834131ce24b37cda5dbf9
[INFO] running `Command { std: "docker" "start" "-a" "cd00b150bf41b4687a49083237e73ebe5a08a6260cb834131ce24b37cda5dbf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd00b150bf41b4687a49083237e73ebe5a08a6260cb834131ce24b37cda5dbf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd00b150bf41b4687a49083237e73ebe5a08a6260cb834131ce24b37cda5dbf9", kill_on_drop: false }`
[INFO] [stdout] cd00b150bf41b4687a49083237e73ebe5a08a6260cb834131ce24b37cda5dbf9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] df5ad2d04708cb766730da3050a2cb2e6cf4bd7c5661ef12d51531f180624434
[INFO] running `Command { std: "docker" "start" "-a" "df5ad2d04708cb766730da3050a2cb2e6cf4bd7c5661ef12d51531f180624434", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking chi v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/cli/clone.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn run(m: &ArgMatches, cfg: &mut Config) {
[INFO] [stdout]   |        ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/cli/pull.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn run(m: &ArgMatches, cfg: &mut Config) {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/cli/push.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn run(m: &ArgMatches, cfg: &mut Config) {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_object`
[INFO] [stdout]   --> src/repository/object_store.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn get_object<T: Object>(hash: &str) -> std::io::Result<String> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/cli/clone.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn run(m: &ArgMatches, cfg: &mut Config) {
[INFO] [stdout]   |        ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/cli/pull.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn run(m: &ArgMatches, cfg: &mut Config) {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/cli/push.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn run(m: &ArgMatches, cfg: &mut Config) {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_object`
[INFO] [stdout]   --> src/repository/object_store.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn get_object<T: Object>(hash: &str) -> std::io::Result<String> {
[INFO] [stdout]    |        ^^^^^^^^^^
[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 [unoptimized + debuginfo] target(s) in 13.07s
[INFO] running `Command { std: "docker" "inspect" "df5ad2d04708cb766730da3050a2cb2e6cf4bd7c5661ef12d51531f180624434", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df5ad2d04708cb766730da3050a2cb2e6cf4bd7c5661ef12d51531f180624434", kill_on_drop: false }`
[INFO] [stdout] df5ad2d04708cb766730da3050a2cb2e6cf4bd7c5661ef12d51531f180624434