[INFO] cloning repository https://github.com/hextriclosan/rusty-jvm [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hextriclosan/rusty-jvm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhextriclosan%2Frusty-jvm", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhextriclosan%2Frusty-jvm'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 3666479258e4ab98867e4b6b99680d28ab01afa6 [INFO] checking hextriclosan/rusty-jvm against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhextriclosan%2Frusty-jvm" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/hextriclosan/rusty-jvm on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/hextriclosan/rusty-jvm [INFO] finished tweaking git repo https://github.com/hextriclosan/rusty-jvm [INFO] tweaked toml for git repo https://github.com/hextriclosan/rusty-jvm written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/hextriclosan/rusty-jvm already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 21aea34052bfa55d0942b0730e28b87a356e0368847d3a1a7023886e84b35ec8 [INFO] running `Command { std: "docker" "start" "-a" "21aea34052bfa55d0942b0730e28b87a356e0368847d3a1a7023886e84b35ec8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "21aea34052bfa55d0942b0730e28b87a356e0368847d3a1a7023886e84b35ec8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "21aea34052bfa55d0942b0730e28b87a356e0368847d3a1a7023886e84b35ec8", kill_on_drop: false }` [INFO] [stdout] 21aea34052bfa55d0942b0730e28b87a356e0368847d3a1a7023886e84b35ec8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 51c10dd425b14d390d7c80c5d4d1bd3914c075143c89180aa033f63b5d4fde86 [INFO] running `Command { std: "docker" "start" "-a" "51c10dd425b14d390d7c80c5d4d1bd3914c075143c89180aa033f63b5d4fde86", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Checking cesu8 v1.1.0 [INFO] [stderr] Checking jclass v0.1.0 (/opt/rustwide/workdir/jclass) [INFO] [stderr] Checking vm v0.1.0 (/opt/rustwide/workdir/vm) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> vm/src/heap/java_instance.rs:12:13 [INFO] [stdout] | [INFO] [stdout] 12 | let mut fields = HashMap::new(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `class_ref` and `fields` are never read [INFO] [stdout] --> vm/src/heap/java_instance.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 5 | pub(crate) struct JavaInstance<'a> { [INFO] [stdout] | ------------ fields in this struct [INFO] [stdout] 6 | class_ref: &'a JavaClass, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 7 | fields: HashMap, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `JavaInstance` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `value` is never read [INFO] [stdout] --> vm/src/heap/java_instance.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 19 | pub(crate) struct Field { [INFO] [stdout] | ----- field in this struct [INFO] [stdout] 20 | value: i32, // todo: support other types [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Field` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> vm/src/heap/java_instance.rs:12:13 [INFO] [stdout] | [INFO] [stdout] 12 | let mut fields = HashMap::new(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `class_ref` and `fields` are never read [INFO] [stdout] --> vm/src/heap/java_instance.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 5 | pub(crate) struct JavaInstance<'a> { [INFO] [stdout] | ------------ fields in this struct [INFO] [stdout] 6 | class_ref: &'a JavaClass, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 7 | fields: HashMap, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `JavaInstance` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `value` is never read [INFO] [stdout] --> vm/src/heap/java_instance.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 19 | pub(crate) struct Field { [INFO] [stdout] | ----- field in this struct [INFO] [stdout] 20 | value: i32, // todo: support other types [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Field` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking rusty-jvm v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.19s [INFO] running `Command { std: "docker" "inspect" "51c10dd425b14d390d7c80c5d4d1bd3914c075143c89180aa033f63b5d4fde86", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "51c10dd425b14d390d7c80c5d4d1bd3914c075143c89180aa033f63b5d4fde86", kill_on_drop: false }` [INFO] [stdout] 51c10dd425b14d390d7c80c5d4d1bd3914c075143c89180aa033f63b5d4fde86 [INFO] checking hextriclosan/rusty-jvm against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhextriclosan%2Frusty-jvm" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/hextriclosan/rusty-jvm on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/hextriclosan/rusty-jvm [INFO] finished tweaking git repo https://github.com/hextriclosan/rusty-jvm [INFO] tweaked toml for git repo https://github.com/hextriclosan/rusty-jvm written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/hextriclosan/rusty-jvm already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] bd55a74d5854cc5cd692025bc65a5bd823e8ba65fd1b594062854b57eed5f08d [INFO] running `Command { std: "docker" "start" "-a" "bd55a74d5854cc5cd692025bc65a5bd823e8ba65fd1b594062854b57eed5f08d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bd55a74d5854cc5cd692025bc65a5bd823e8ba65fd1b594062854b57eed5f08d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bd55a74d5854cc5cd692025bc65a5bd823e8ba65fd1b594062854b57eed5f08d", kill_on_drop: false }` [INFO] [stdout] bd55a74d5854cc5cd692025bc65a5bd823e8ba65fd1b594062854b57eed5f08d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6e6ef2c01a762ae28aa1ae095b2ca7b8f2730962d95f1bb9c7c498187fd9f70a [INFO] running `Command { std: "docker" "start" "-a" "6e6ef2c01a762ae28aa1ae095b2ca7b8f2730962d95f1bb9c7c498187fd9f70a", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Checking cesu8 v1.1.0 [INFO] [stderr] Checking jclass v0.1.0 (/opt/rustwide/workdir/jclass) [INFO] [stderr] Checking vm v0.1.0 (/opt/rustwide/workdir/vm) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> vm/src/heap/java_instance.rs:12:13 [INFO] [stdout] | [INFO] [stdout] 12 | let mut fields = HashMap::new(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `class_ref` and `fields` are never read [INFO] [stdout] --> vm/src/heap/java_instance.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 5 | pub(crate) struct JavaInstance<'a> { [INFO] [stdout] | ------------ fields in this struct [INFO] [stdout] 6 | class_ref: &'a JavaClass, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 7 | fields: HashMap, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `JavaInstance` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `value` is never read [INFO] [stdout] --> vm/src/heap/java_instance.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 19 | pub(crate) struct Field { [INFO] [stdout] | ----- field in this struct [INFO] [stdout] 20 | value: i32, // todo: support other types [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Field` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> vm/src/heap/java_instance.rs:12:13 [INFO] [stdout] | [INFO] [stdout] 12 | let mut fields = HashMap::new(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `class_ref` and `fields` are never read [INFO] [stdout] --> vm/src/heap/java_instance.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 5 | pub(crate) struct JavaInstance<'a> { [INFO] [stdout] | ------------ fields in this struct [INFO] [stdout] 6 | class_ref: &'a JavaClass, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 7 | fields: HashMap, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `JavaInstance` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `value` is never read [INFO] [stdout] --> vm/src/heap/java_instance.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 19 | pub(crate) struct Field { [INFO] [stdout] | ----- field in this struct [INFO] [stdout] 20 | value: i32, // todo: support other types [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Field` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking rusty-jvm v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.22s [INFO] running `Command { std: "docker" "inspect" "6e6ef2c01a762ae28aa1ae095b2ca7b8f2730962d95f1bb9c7c498187fd9f70a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6e6ef2c01a762ae28aa1ae095b2ca7b8f2730962d95f1bb9c7c498187fd9f70a", kill_on_drop: false }` [INFO] [stdout] 6e6ef2c01a762ae28aa1ae095b2ca7b8f2730962d95f1bb9c7c498187fd9f70a