[INFO] cloning repository melvinw/rust-bpf [INFO] running `"git" "clone" "--bare" "git://github.com/melvinw/rust-bpf.git" "work/cache/sources/gh/melvinw/rust-bpf"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/melvinw/rust-bpf'... [INFO] running `"git" "clone" "work/cache/sources/gh/melvinw/rust-bpf" "work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/melvinw/rust-bpf"` [INFO] [stderr] Cloning into 'work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/melvinw/rust-bpf'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/melvinw/rust-bpf" "work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/melvinw/rust-bpf"` [INFO] [stderr] Cloning into 'work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/melvinw/rust-bpf'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 673b26301563759f232e9665febd00ee3db75089 [INFO] sha for GitHub repo melvinw/rust-bpf: 673b26301563759f232e9665febd00ee3db75089 [INFO] validating manifest of melvinw/rust-bpf on toolchain master#c0086b9e8972fef9fd4af24bae20d45021ed06c6 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of melvinw/rust-bpf on toolchain try#290ac7b29f41ff9fa5232f9a1116ea71a3501063 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing melvinw/rust-bpf [INFO] finished frobbing melvinw/rust-bpf [INFO] frobbed toml for melvinw/rust-bpf written to work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/melvinw/rust-bpf/Cargo.toml [INFO] started frobbing melvinw/rust-bpf [INFO] finished frobbing melvinw/rust-bpf [INFO] frobbed toml for melvinw/rust-bpf written to work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/melvinw/rust-bpf/Cargo.toml [INFO] crate melvinw/rust-bpf has a lockfile. skipping [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking melvinw/rust-bpf against master#c0086b9e8972fef9fd4af24bae20d45021ed06c6 for pr-58899 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58899/worker-1/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/melvinw/rust-bpf:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 58589c68e53cecf062a027d1f5b81267df01050070181f1e021c6af31d5c6ad2 [INFO] running `"docker" "start" "-a" "58589c68e53cecf062a027d1f5b81267df01050070181f1e021c6af31d5c6ad2"` [INFO] [stderr] Checking libc v0.2.32 [INFO] [stderr] Checking memchr v1.0.2 [INFO] [stderr] Checking aho-corasick v0.6.3 [INFO] [stderr] Checking regex v0.2.2 [INFO] [stderr] Checking rust_bpf v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `NativeEndian` [INFO] [stderr] --> src/vm/machine.rs:8:34 [INFO] [stderr] | [INFO] [stderr] 8 | use self::byteorder::{BigEndian, NativeEndian, ReadBytesExt}; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] warning: unused import: `NativeEndian` [INFO] [stderr] --> src/vm/machine.rs:8:34 [INFO] [stderr] | [INFO] [stderr] 8 | use self::byteorder::{BigEndian, NativeEndian, ReadBytesExt}; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `instructions` [INFO] [stderr] --> src/assembler/main.rs:146:11 [INFO] [stderr] | [INFO] [stderr] 146 | let mut instructions: Vec = Vec::new(); [INFO] [stderr] | ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_instructions` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `op` [INFO] [stderr] --> src/assembler/main.rs:158:9 [INFO] [stderr] | [INFO] [stderr] 158 | let op = instr.op.unwrap(); [INFO] [stderr] | ^^ help: consider prefixing with an underscore: `_op` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/assembler/main.rs:146:7 [INFO] [stderr] | [INFO] [stderr] 146 | let mut instructions: Vec = Vec::new(); [INFO] [stderr] | ----^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `PacketNibble` [INFO] [stderr] --> src/assembler/main.rs:85:3 [INFO] [stderr] | [INFO] [stderr] 85 | PacketNibble(u32), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `JumpLabel` [INFO] [stderr] --> src/assembler/main.rs:86:3 [INFO] [stderr] | [INFO] [stderr] 86 | JumpLabel(&'a str), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `TwoBranch` [INFO] [stderr] --> src/assembler/main.rs:87:3 [INFO] [stderr] | [INFO] [stderr] 87 | TwoBranch(&'a str, &'a str), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `OneBranch` [INFO] [stderr] --> src/assembler/main.rs:88:3 [INFO] [stderr] | [INFO] [stderr] 88 | OneBranch(&'a str), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `instructions` [INFO] [stderr] --> src/assembler/main.rs:146:11 [INFO] [stderr] | [INFO] [stderr] 146 | let mut instructions: Vec = Vec::new(); [INFO] [stderr] | ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_instructions` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `op` [INFO] [stderr] --> src/assembler/main.rs:158:9 [INFO] [stderr] | [INFO] [stderr] 158 | let op = instr.op.unwrap(); [INFO] [stderr] | ^^ help: consider prefixing with an underscore: `_op` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/assembler/main.rs:146:7 [INFO] [stderr] | [INFO] [stderr] 146 | let mut instructions: Vec = Vec::new(); [INFO] [stderr] | ----^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `PacketNibble` [INFO] [stderr] --> src/assembler/main.rs:85:3 [INFO] [stderr] | [INFO] [stderr] 85 | PacketNibble(u32), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `JumpLabel` [INFO] [stderr] --> src/assembler/main.rs:86:3 [INFO] [stderr] | [INFO] [stderr] 86 | JumpLabel(&'a str), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `TwoBranch` [INFO] [stderr] --> src/assembler/main.rs:87:3 [INFO] [stderr] | [INFO] [stderr] 87 | TwoBranch(&'a str, &'a str), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `OneBranch` [INFO] [stderr] --> src/assembler/main.rs:88:3 [INFO] [stderr] | [INFO] [stderr] 88 | OneBranch(&'a str), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 6.39s [INFO] running `"docker" "inspect" "58589c68e53cecf062a027d1f5b81267df01050070181f1e021c6af31d5c6ad2"` [INFO] running `"docker" "rm" "-f" "58589c68e53cecf062a027d1f5b81267df01050070181f1e021c6af31d5c6ad2"` [INFO] [stdout] 58589c68e53cecf062a027d1f5b81267df01050070181f1e021c6af31d5c6ad2