[INFO] fetching crate eureka 1.8.0...
[INFO] checking eureka-1.8.0 against master#af3c6e733a40e671550e0f0f5aeecaa13772ba56 for pr-74989
[INFO] extracting crate eureka 1.8.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate eureka 1.8.0 on toolchain af3c6e733a40e671550e0f0f5aeecaa13772ba56
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate eureka 1.8.0
[INFO] finished tweaking crates.io crate eureka 1.8.0
[INFO] tweaked toml for crates.io crate eureka 1.8.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate eureka 1.8.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aca3d3e4fcd7b911102b551cdedf14fb219c983504334e7187dcbae8172dc230
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "aca3d3e4fcd7b911102b551cdedf14fb219c983504334e7187dcbae8172dc230", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aca3d3e4fcd7b911102b551cdedf14fb219c983504334e7187dcbae8172dc230", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aca3d3e4fcd7b911102b551cdedf14fb219c983504334e7187dcbae8172dc230", kill_on_drop: false }`
[INFO] [stdout] aca3d3e4fcd7b911102b551cdedf14fb219c983504334e7187dcbae8172dc230
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] af4e5808dd0c3ff4d0e0f1de84f1583271b0811c1e4c9c1ad32f03cf5486e7f5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "af4e5808dd0c3ff4d0e0f1de84f1583271b0811c1e4c9c1ad32f03cf5486e7f5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking tinyvec v0.3.3
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]    Compiling cc v1.0.58
[INFO] [stderr]     Checking clap v2.33.2
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling libssh2-sys v0.2.18
[INFO] [stderr]    Compiling libgit2-sys v0.12.9+1.0.1
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]     Checking git2 v0.13.8
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking which v4.0.2
[INFO] [stderr]     Checking eureka v1.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `eureka`
[INFO] [stdout]   --> tests/tests.rs:76:13
[INFO] [stdout]    |
[INFO] [stdout] 76 |         let eureka = Eureka::new(fh, printer, reader);
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_eureka`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file`
[INFO] [stdout]   --> tests/tests.rs:22:31
[INFO] [stdout]    |
[INFO] [stdout] 22 |         fn config_read(&self, file: ConfigFile) -> io::Result<String> {
[INFO] [stdout]    |                               ^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file`
[INFO] [stdout]   --> tests/tests.rs:26:32
[INFO] [stdout]    |
[INFO] [stdout] 26 |         fn config_write(&self, file: ConfigFile, value: String) -> io::Result<()> {
[INFO] [stdout]    |                                ^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> tests/tests.rs:26:50
[INFO] [stdout]    |
[INFO] [stdout] 26 |         fn config_write(&self, file: ConfigFile, value: String) -> io::Result<()> {
[INFO] [stdout]    |                                                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file`
[INFO] [stdout]   --> tests/tests.rs:32:27
[INFO] [stdout]    |
[INFO] [stdout] 32 |         fn file_rm(&self, file: ConfigFile) -> io::Result<()> {
[INFO] [stdout]    |                           ^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> tests/tests.rs:40:29
[INFO] [stdout]    |
[INFO] [stdout] 40 |         fn print(&mut self, value: &str) {
[INFO] [stdout]    |                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> tests/tests.rs:44:31
[INFO] [stdout]    |
[INFO] [stdout] 44 |         fn println(&mut self, value: &str) {
[INFO] [stdout]    |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> tests/tests.rs:54:36
[INFO] [stdout]    |
[INFO] [stdout] 54 |         fn input_header(&mut self, value: &str) {
[INFO] [stdout]    |                                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> tests/tests.rs:58:38
[INFO] [stdout]    |
[INFO] [stdout] 58 |         fn println_styled(&mut self, value: &str, opts: PrintOptions) {
[INFO] [stdout]    |                                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `opts`
[INFO] [stdout]   --> tests/tests.rs:58:51
[INFO] [stdout]    |
[INFO] [stdout] 58 |         fn println_styled(&mut self, value: &str, opts: PrintOptions) {
[INFO] [stdout]    |                                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_opts`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 54.85s
[INFO] running `Command { std: "docker" "inspect" "af4e5808dd0c3ff4d0e0f1de84f1583271b0811c1e4c9c1ad32f03cf5486e7f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af4e5808dd0c3ff4d0e0f1de84f1583271b0811c1e4c9c1ad32f03cf5486e7f5", kill_on_drop: false }`
[INFO] [stdout] af4e5808dd0c3ff4d0e0f1de84f1583271b0811c1e4c9c1ad32f03cf5486e7f5
