[INFO] cloning repository https://github.com/Xianzhan/rust-jvm [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Xianzhan/rust-jvm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXianzhan%2Frust-jvm", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXianzhan%2Frust-jvm'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 7665921c07e545ba7103e015bf6b0d39a0952333 [INFO] checking Xianzhan/rust-jvm against master#e652caa679a304af11fc04f1f12452f255a82593 for pr-98000 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXianzhan%2Frust-jvm" "/workspace/builds/worker-1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Xianzhan/rust-jvm on toolchain e652caa679a304af11fc04f1f12452f255a82593 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e652caa679a304af11fc04f1f12452f255a82593" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Xianzhan/rust-jvm [INFO] finished tweaking git repo https://github.com/Xianzhan/rust-jvm [INFO] tweaked toml for git repo https://github.com/Xianzhan/rust-jvm written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/Xianzhan/rust-jvm already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e652caa679a304af11fc04f1f12452f255a82593" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded zip v0.5.11 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+e652caa679a304af11fc04f1f12452f255a82593" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0cf2279fd24cbb0d4b2bb9f9c66f1f755caad92516d4bd257f72cc7be7934c30 [INFO] running `Command { std: "docker" "start" "-a" "0cf2279fd24cbb0d4b2bb9f9c66f1f755caad92516d4bd257f72cc7be7934c30", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0cf2279fd24cbb0d4b2bb9f9c66f1f755caad92516d4bd257f72cc7be7934c30", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0cf2279fd24cbb0d4b2bb9f9c66f1f755caad92516d4bd257f72cc7be7934c30", kill_on_drop: false }` [INFO] [stdout] 0cf2279fd24cbb0d4b2bb9f9c66f1f755caad92516d4bd257f72cc7be7934c30 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+e652caa679a304af11fc04f1f12452f255a82593" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 81c8137c84654937fc2525a8fc3d1bf14291a86b96b4b66029c1580a370f07f1 [INFO] running `Command { std: "docker" "start" "-a" "81c8137c84654937fc2525a8fc3d1bf14291a86b96b4b66029c1580a370f07f1", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.88 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling cc v1.0.67 [INFO] [stderr] Compiling pkg-config v0.3.19 [INFO] [stderr] Compiling syn v1.0.64 [INFO] [stderr] Compiling crc32fast v1.2.1 [INFO] [stderr] Checking adler32 v1.2.0 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking miniz_oxide v0.3.7 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking flate2 v1.0.14 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Compiling bzip2-sys v0.1.10+1.0.8 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking bzip2 v0.3.3 [INFO] [stderr] Compiling thiserror-impl v1.0.24 [INFO] [stderr] Checking thiserror v1.0.24 [INFO] [stderr] Checking zip v0.5.11 [INFO] [stderr] Checking java v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: function is never used: `as_u16_be` [INFO] [stdout] --> src/classfile/mod.rs:16:8 [INFO] [stdout] | [INFO] [stdout] 16 | pub fn as_u16_be(v: &[u8], offset: usize) -> u16 { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `current_position` [INFO] [stdout] --> src/classfile/stream/mod.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | current_position: usize, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] = note: `ClassFileStream` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `as_u32_be` [INFO] [stdout] --> src/classfile/mod.rs:22:8 [INFO] [stdout] | [INFO] [stdout] 22 | pub fn as_u32_be(v: &[u8], offset: usize) -> u32 { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `as_u64_be` [INFO] [stdout] --> src/classfile/mod.rs:30:8 [INFO] [stdout] | [INFO] [stdout] 30 | pub fn as_u64_be(v: &[u8], offset: usize) -> u64 { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `get_u8` [INFO] [stdout] --> src/classfile/stream/mod.rs:19:12 [INFO] [stdout] | [INFO] [stdout] 19 | pub fn get_u8(&mut self) -> u8 { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `create_class_path_entry` [INFO] [stdout] --> src/classfile/loader/mod.rs:12:4 [INFO] [stdout] | [INFO] [stdout] 12 | fn create_class_path_entry(path: &str) -> Box { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `get_u16` [INFO] [stdout] --> src/classfile/stream/mod.rs:25:12 [INFO] [stdout] | [INFO] [stdout] 25 | pub fn get_u16(&mut self) -> u16 { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/classfile/loader/entry.rs:22:12 [INFO] [stdout] | [INFO] [stdout] 22 | pub fn new(path: &str) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `get_u32` [INFO] [stdout] --> src/classfile/stream/mod.rs:34:12 [INFO] [stdout] | [INFO] [stdout] 34 | pub fn get_u32(&mut self) -> u32 { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/classfile/loader/entry.rs:98:12 [INFO] [stdout] | [INFO] [stdout] 98 | pub fn new(path: &str) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `get_u64` [INFO] [stdout] --> src/classfile/stream/mod.rs:43:12 [INFO] [stdout] | [INFO] [stdout] 43 | pub fn get_u64(&mut self) -> u64 { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `current_position` [INFO] [stdout] --> src/classfile/stream/mod.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | current_position: usize, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ClassFileStream` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `get_u8` [INFO] [stdout] --> src/classfile/stream/mod.rs:19:12 [INFO] [stdout] | [INFO] [stdout] 19 | pub fn get_u8(&mut self) -> u8 { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `get_u16` [INFO] [stdout] --> src/classfile/stream/mod.rs:25:12 [INFO] [stdout] | [INFO] [stdout] 25 | pub fn get_u16(&mut self) -> u16 { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `get_u32` [INFO] [stdout] --> src/classfile/stream/mod.rs:34:12 [INFO] [stdout] | [INFO] [stdout] 34 | pub fn get_u32(&mut self) -> u32 { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `get_u64` [INFO] [stdout] --> src/classfile/stream/mod.rs:43:12 [INFO] [stdout] | [INFO] [stdout] 43 | pub fn get_u64(&mut self) -> u64 { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `print_data` [INFO] [stdout] --> src/classfile/stream/mod.rs:52:12 [INFO] [stdout] | [INFO] [stdout] 52 | pub fn print_data(&self) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 9.67s [INFO] running `Command { std: "docker" "inspect" "81c8137c84654937fc2525a8fc3d1bf14291a86b96b4b66029c1580a370f07f1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "81c8137c84654937fc2525a8fc3d1bf14291a86b96b4b66029c1580a370f07f1", kill_on_drop: false }` [INFO] [stdout] 81c8137c84654937fc2525a8fc3d1bf14291a86b96b4b66029c1580a370f07f1