[INFO] updating cached repository https://github.com/douchuan/jvm [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/douchuan/jvm [INFO] [stderr] 17e5666..29e2af1 master -> master [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 29e2af17babba5fafe3eb5ac3097dcebf4d90329 [INFO] checking douchuan/jvm against try#13f916f63bc6575d5ff1f989237dfabe88981368 for pr-69880 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdouchuan%2Fjvm" "/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/douchuan/jvm on toolchain 13f916f63bc6575d5ff1f989237dfabe88981368 [INFO] running `"/workspace/cargo-home/bin/cargo" "+13f916f63bc6575d5ff1f989237dfabe88981368" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/douchuan/jvm [INFO] finished tweaking git repo https://github.com/douchuan/jvm [INFO] tweaked toml for git repo https://github.com/douchuan/jvm written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/douchuan/jvm already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+13f916f63bc6575d5ff1f989237dfabe88981368" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [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" "+13f916f63bc6575d5ff1f989237dfabe88981368" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 48808b633894b58da08102bc0215528892581b42d98d05ddb1095d1040a8d5d6 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "48808b633894b58da08102bc0215528892581b42d98d05ddb1095d1040a8d5d6"` [INFO] [stderr] Compiling bzip2-sys v0.1.7 [INFO] [stderr] Compiling lexical-core v0.6.7 [INFO] [stderr] Checking dirs-sys v0.3.4 [INFO] [stderr] Checking nix v0.17.0 [INFO] [stderr] Checking flate2 v1.0.13 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking env_logger v0.7.1 [INFO] [stderr] Checking chrono v0.4.10 [INFO] [stderr] Checking dirs v2.0.2 [INFO] [stderr] Checking bzip2 v0.3.3 [INFO] [stderr] Checking zip v0.5.4 [INFO] [stderr] Checking nom v5.1.1 [INFO] [stderr] Checking jvm v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `RwLock` [INFO] [stderr] --> src/util/oop.rs:4:22 [INFO] [stderr] | [INFO] [stderr] 4 | use std::sync::{Arc, RwLock}; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `RwLock` [INFO] [stderr] --> src/util/oop.rs:4:22 [INFO] [stderr] | [INFO] [stderr] 4 | use std::sync::{Arc, RwLock}; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unreachable statement [INFO] [stderr] --> src/native/java_lang_Class.rs:832:5 [INFO] [stderr] | [INFO] [stderr] 831 | unimplemented!(); [INFO] [stderr] | ----------------- any code following this expression is unreachable [INFO] [stderr] 832 | let r = oop::consts::get_null(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unreachable expression [INFO] [stderr] --> src/native/sun_misc_Unsafe.rs:385:5 [INFO] [stderr] | [INFO] [stderr] 384 | unimplemented!(); [INFO] [stderr] | ----------------- any code following this expression is unreachable [INFO] [stderr] 385 | Ok(None) [INFO] [stderr] | ^^^^^^^^ unreachable expression [INFO] [stderr] [INFO] [stderr] warning: unreachable statement [INFO] [stderr] --> src/native/java_lang_Class.rs:832:5 [INFO] [stderr] | [INFO] [stderr] 831 | unimplemented!(); [INFO] [stderr] | ----------------- any code following this expression is unreachable [INFO] [stderr] 832 | let r = oop::consts::get_null(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unreachable expression [INFO] [stderr] --> src/native/sun_misc_Unsafe.rs:385:5 [INFO] [stderr] | [INFO] [stderr] 384 | unimplemented!(); [INFO] [stderr] | ----------------- any code following this expression is unreachable [INFO] [stderr] 385 | Ok(None) [INFO] [stderr] | ^^^^^^^^ unreachable expression [INFO] [stderr] [INFO] [stderr] warning: value assigned to `ref_bytes` is never read [INFO] [stderr] --> src/main.rs:148:17 [INFO] [stderr] | [INFO] [stderr] 148 | let mut ref_bytes = None; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `f2` [INFO] [stderr] --> src/main.rs:292:13 [INFO] [stderr] | [INFO] [stderr] 292 | let f2 = frame.read().unwrap(); [INFO] [stderr] | ^^ help: consider prefixing with an underscore: `_f2` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 32.63s [INFO] running `"docker" "inspect" "48808b633894b58da08102bc0215528892581b42d98d05ddb1095d1040a8d5d6"` [INFO] running `"docker" "rm" "-f" "48808b633894b58da08102bc0215528892581b42d98d05ddb1095d1040a8d5d6"` [INFO] [stdout] 48808b633894b58da08102bc0215528892581b42d98d05ddb1095d1040a8d5d6