[INFO] updating cached repository https://github.com/gfreezy/hippo
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] [stderr] From https://github.com/gfreezy/hippo
[INFO] [stderr]    03f608d..b509416  master     -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b509416bc6b6c9b45297eee0f407ac171fcafe76
[INFO] checking gfreezy/hippo against try#d7b51666469c792a8a3f40849607739bae1e705e for pr-71665
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgfreezy%2Fhippo" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gfreezy/hippo on toolchain d7b51666469c792a8a3f40849607739bae1e705e
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/gfreezy/hippo
[INFO] finished tweaking git repo https://github.com/gfreezy/hippo
[INFO] tweaked toml for git repo https://github.com/gfreezy/hippo written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/gfreezy/hippo already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tracing-appender v0.1.0
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7683a6bb5bf0aad15b4757c1a64454be07d40d329b37e629ed70b0f8a7c773ed
[INFO] running `"docker" "start" "-a" "7683a6bb5bf0aad15b4757c1a64454be07d40d329b37e629ed70b0f8a7c773ed"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking utf8-ranges v1.0.4
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]     Checking linked-hash-map v0.5.2
[INFO] [stderr]     Checking smallvec v1.2.0
[INFO] [stderr]     Checking static_assertions v0.3.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking podio v0.1.6
[INFO] [stderr]     Checking dtoa v0.4.4
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking cesu8 v1.1.0
[INFO] [stderr]     Checking tracing-core v0.1.10
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking sharded-slab v0.0.9
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking miniz_oxide v0.3.5
[INFO] [stderr]     Checking yaml-rust v0.4.3
[INFO] [stderr]    Compiling nom v5.0.1
[INFO] [stderr]     Checking aho-corasick v0.7.9
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking tracing-log v0.1.1
[INFO] [stderr]     Checking regex-automata v0.1.8
[INFO] [stderr]    Compiling bzip2-sys v0.1.7
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking clicolors-control v1.0.1
[INFO] [stderr]     Checking flate2 v1.0.13
[INFO] [stderr]     Checking termios v0.3.1
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking crossbeam-channel v0.4.2
[INFO] [stderr]    Compiling lexical-core v0.4.6
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking bzip2 v0.3.3
[INFO] [stderr]     Checking zip v0.5.4
[INFO] [stderr]    Compiling enum-methods v0.0.8
[INFO] [stderr]     Checking console v0.9.1
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling tracing-attributes v0.1.7
[INFO] [stderr]     Checking tracing v0.1.13
[INFO] [stderr]     Checking serde v1.0.104
[INFO] [stderr]     Checking serde_json v1.0.44
[INFO] [stderr]     Checking tracing-serde v0.1.1
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking serde_yaml v0.8.11
[INFO] [stderr]     Checking tracing-subscriber v0.2.5
[INFO] [stderr]     Checking insta v0.12.0
[INFO] [stderr]     Checking tracing-appender v0.1.0
[INFO] [stderr]     Checking hippo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `jenv`
[INFO] [stderr]   --> src/runtime/native.rs:95:41
[INFO] [stderr]    |
[INFO] [stderr] 95 | pub fn java_lang_System_registerNatives(jenv: &mut JvmEnv, _class: &Class, args: Vec<Operand>) {}
[INFO] [stderr]    |                                         ^^^^ help: if this is intentional, prefix it with an underscore: `_jenv`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]   --> src/runtime/native.rs:95:76
[INFO] [stderr]    |
[INFO] [stderr] 95 | pub fn java_lang_System_registerNatives(jenv: &mut JvmEnv, _class: &Class, args: Vec<Operand>) {}
[INFO] [stderr]    |                                                                            ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `jenv`
[INFO] [stderr]   --> src/runtime/native.rs:96:41
[INFO] [stderr]    |
[INFO] [stderr] 96 | pub fn java_lang_Object_registerNatives(jenv: &mut JvmEnv, _class: &Class, args: Vec<Operand>) {}
[INFO] [stderr]    |                                         ^^^^ help: if this is intentional, prefix it with an underscore: `_jenv`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]   --> src/runtime/native.rs:96:76
[INFO] [stderr]    |
[INFO] [stderr] 96 | pub fn java_lang_Object_registerNatives(jenv: &mut JvmEnv, _class: &Class, args: Vec<Operand>) {}
[INFO] [stderr]    |                                                                            ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `jenv`
[INFO] [stderr]   --> src/runtime/native.rs:95:41
[INFO] [stderr]    |
[INFO] [stderr] 95 | pub fn java_lang_System_registerNatives(jenv: &mut JvmEnv, _class: &Class, args: Vec<Operand>) {}
[INFO] [stderr]    |                                         ^^^^ help: if this is intentional, prefix it with an underscore: `_jenv`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]   --> src/runtime/native.rs:95:76
[INFO] [stderr]    |
[INFO] [stderr] 95 | pub fn java_lang_System_registerNatives(jenv: &mut JvmEnv, _class: &Class, args: Vec<Operand>) {}
[INFO] [stderr]    |                                                                            ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `jenv`
[INFO] [stderr]   --> src/runtime/native.rs:96:41
[INFO] [stderr]    |
[INFO] [stderr] 96 | pub fn java_lang_Object_registerNatives(jenv: &mut JvmEnv, _class: &Class, args: Vec<Operand>) {}
[INFO] [stderr]    |                                         ^^^^ help: if this is intentional, prefix it with an underscore: `_jenv`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]   --> src/runtime/native.rs:96:76
[INFO] [stderr]    |
[INFO] [stderr] 96 | pub fn java_lang_Object_registerNatives(jenv: &mut JvmEnv, _class: &Class, args: Vec<Operand>) {}
[INFO] [stderr]    |                                                                            ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 09s
[INFO] running `"docker" "inspect" "7683a6bb5bf0aad15b4757c1a64454be07d40d329b37e629ed70b0f8a7c773ed"`
[INFO] running `"docker" "rm" "-f" "7683a6bb5bf0aad15b4757c1a64454be07d40d329b37e629ed70b0f8a7c773ed"`
[INFO] [stdout] 7683a6bb5bf0aad15b4757c1a64454be07d40d329b37e629ed70b0f8a7c773ed