Dec 19 12:47:12.665 INFO checking melvinw/rust-bpf against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 12:47:12.665 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-2/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 12:47:13.172 INFO [stdout] ebb8844f0ca0b5a635dc51b18fa49cd2e8619bcbf8bf6ce1cdf407741d3b85e1
Dec 19 12:47:13.178 INFO running `"docker" "start" "-a" "ebb8844f0ca0b5a635dc51b18fa49cd2e8619bcbf8bf6ce1cdf407741d3b85e1"`
Dec 19 12:47:14.572 INFO [stderr]     Checking libc v0.2.32
Dec 19 12:47:15.628 INFO [stderr]     Checking memchr v1.0.2
Dec 19 12:47:15.992 INFO [stderr]     Checking aho-corasick v0.6.3
Dec 19 12:47:16.573 INFO [stderr]     Checking regex v0.2.2
Dec 19 12:47:18.755 INFO [stderr]     Checking rust_bpf v0.1.0 (/opt/crater/workdir)
Dec 19 12:47:19.392 INFO [stderr] warning: unused import: `NativeEndian`
Dec 19 12:47:19.392 INFO [stderr]  --> src/vm/machine.rs:8:34
Dec 19 12:47:19.392 INFO [stderr]   |
Dec 19 12:47:19.392 INFO [stderr] 8 | use self::byteorder::{BigEndian, NativeEndian, ReadBytesExt};
Dec 19 12:47:19.392 INFO [stderr]   |                                  ^^^^^^^^^^^^
Dec 19 12:47:19.392 INFO [stderr]   |
Dec 19 12:47:19.392 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 12:47:19.392 INFO [stderr] 
Dec 19 12:47:19.718 INFO [stderr] warning: unused import: `NativeEndian`
Dec 19 12:47:19.718 INFO [stderr]  --> src/vm/machine.rs:8:34
Dec 19 12:47:19.718 INFO [stderr]   |
Dec 19 12:47:19.718 INFO [stderr] 8 | use self::byteorder::{BigEndian, NativeEndian, ReadBytesExt};
Dec 19 12:47:19.718 INFO [stderr]   |                                  ^^^^^^^^^^^^
Dec 19 12:47:19.728 INFO [stderr]   |
Dec 19 12:47:19.728 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 12:47:19.728 INFO [stderr] 
Dec 19 12:47:19.756 INFO [stderr] warning: unused variable: `instructions`
Dec 19 12:47:19.756 INFO [stderr]    --> src/assembler/main.rs:146:11
Dec 19 12:47:19.756 INFO [stderr]     |
Dec 19 12:47:19.756 INFO [stderr] 146 |   let mut instructions: Vec<Instruction> = Vec::new();
Dec 19 12:47:19.756 INFO [stderr]     |           ^^^^^^^^^^^^ help: consider using `_instructions` instead
Dec 19 12:47:19.756 INFO [stderr]     |
Dec 19 12:47:19.756 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 19 12:47:19.756 INFO [stderr] 
Dec 19 12:47:19.756 INFO [stderr] warning: unused variable: `op`
Dec 19 12:47:19.756 INFO [stderr]    --> src/assembler/main.rs:158:9
Dec 19 12:47:19.756 INFO [stderr]     |
Dec 19 12:47:19.756 INFO [stderr] 158 |     let op = instr.op.unwrap();
Dec 19 12:47:19.756 INFO [stderr]     |         ^^ help: consider using `_op` instead
Dec 19 12:47:19.756 INFO [stderr] 
Dec 19 12:47:19.772 INFO [stderr] warning: variable does not need to be mutable
Dec 19 12:47:19.772 INFO [stderr]    --> src/assembler/main.rs:146:7
Dec 19 12:47:19.772 INFO [stderr]     |
Dec 19 12:47:19.772 INFO [stderr] 146 |   let mut instructions: Vec<Instruction> = Vec::new();
Dec 19 12:47:19.772 INFO [stderr]     |       ----^^^^^^^^^^^^
Dec 19 12:47:19.772 INFO [stderr]     |       |
Dec 19 12:47:19.772 INFO [stderr]     |       help: remove this `mut`
Dec 19 12:47:19.772 INFO [stderr]     |
Dec 19 12:47:19.772 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 19 12:47:19.772 INFO [stderr] 
Dec 19 12:47:19.776 INFO [stderr] warning: variant is never constructed: `PacketNibble`
Dec 19 12:47:19.776 INFO [stderr]   --> src/assembler/main.rs:85:3
Dec 19 12:47:19.776 INFO [stderr]    |
Dec 19 12:47:19.776 INFO [stderr] 85 |   PacketNibble(u32),
Dec 19 12:47:19.776 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^
Dec 19 12:47:19.780 INFO [stderr]    |
Dec 19 12:47:19.780 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 12:47:19.780 INFO [stderr] 
Dec 19 12:47:19.780 INFO [stderr] warning: variant is never constructed: `JumpLabel`
Dec 19 12:47:19.780 INFO [stderr]   --> src/assembler/main.rs:86:3
Dec 19 12:47:19.780 INFO [stderr]    |
Dec 19 12:47:19.780 INFO [stderr] 86 |   JumpLabel(&'a str),
Dec 19 12:47:19.780 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^
Dec 19 12:47:19.780 INFO [stderr] 
Dec 19 12:47:19.780 INFO [stderr] warning: variant is never constructed: `TwoBranch`
Dec 19 12:47:19.780 INFO [stderr]   --> src/assembler/main.rs:87:3
Dec 19 12:47:19.780 INFO [stderr]    |
Dec 19 12:47:19.780 INFO [stderr] 87 |   TwoBranch(&'a str, &'a str),
Dec 19 12:47:19.780 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:47:19.780 INFO [stderr] 
Dec 19 12:47:19.780 INFO [stderr] warning: variant is never constructed: `OneBranch`
Dec 19 12:47:19.780 INFO [stderr]   --> src/assembler/main.rs:88:3
Dec 19 12:47:19.780 INFO [stderr]    |
Dec 19 12:47:19.780 INFO [stderr] 88 |   OneBranch(&'a str),
Dec 19 12:47:19.780 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^
Dec 19 12:47:19.780 INFO [stderr] 
Dec 19 12:47:19.952 INFO [stderr] warning: unused variable: `instructions`
Dec 19 12:47:19.952 INFO [stderr]    --> src/assembler/main.rs:146:11
Dec 19 12:47:19.952 INFO [stderr]     |
Dec 19 12:47:19.952 INFO [stderr] 146 |   let mut instructions: Vec<Instruction> = Vec::new();
Dec 19 12:47:19.953 INFO [stderr]     |           ^^^^^^^^^^^^ help: consider using `_instructions` instead
Dec 19 12:47:19.953 INFO [stderr]     |
Dec 19 12:47:19.956 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 19 12:47:19.956 INFO [stderr] 
Dec 19 12:47:19.956 INFO [stderr] warning: unused variable: `op`
Dec 19 12:47:19.956 INFO [stderr]    --> src/assembler/main.rs:158:9
Dec 19 12:47:19.956 INFO [stderr]     |
Dec 19 12:47:19.956 INFO [stderr] 158 |     let op = instr.op.unwrap();
Dec 19 12:47:19.956 INFO [stderr]     |         ^^ help: consider using `_op` instead
Dec 19 12:47:19.956 INFO [stderr] 
Dec 19 12:47:19.983 INFO [stderr] warning: variable does not need to be mutable
Dec 19 12:47:19.983 INFO [stderr]    --> src/assembler/main.rs:146:7
Dec 19 12:47:19.983 INFO [stderr]     |
Dec 19 12:47:19.983 INFO [stderr] 146 |   let mut instructions: Vec<Instruction> = Vec::new();
Dec 19 12:47:19.983 INFO [stderr]     |       ----^^^^^^^^^^^^
Dec 19 12:47:19.983 INFO [stderr]     |       |
Dec 19 12:47:19.983 INFO [stderr]     |       help: remove this `mut`
Dec 19 12:47:19.983 INFO [stderr]     |
Dec 19 12:47:19.983 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 19 12:47:19.983 INFO [stderr] 
Dec 19 12:47:19.988 INFO [stderr] warning: variant is never constructed: `PacketNibble`
Dec 19 12:47:19.988 INFO [stderr]   --> src/assembler/main.rs:85:3
Dec 19 12:47:19.988 INFO [stderr]    |
Dec 19 12:47:19.988 INFO [stderr] 85 |   PacketNibble(u32),
Dec 19 12:47:19.988 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^
Dec 19 12:47:19.988 INFO [stderr]    |
Dec 19 12:47:19.988 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 12:47:19.988 INFO [stderr] 
Dec 19 12:47:19.988 INFO [stderr] warning: variant is never constructed: `JumpLabel`
Dec 19 12:47:19.988 INFO [stderr]   --> src/assembler/main.rs:86:3
Dec 19 12:47:19.988 INFO [stderr]    |
Dec 19 12:47:19.988 INFO [stderr] 86 |   JumpLabel(&'a str),
Dec 19 12:47:19.988 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^
Dec 19 12:47:19.988 INFO [stderr] 
Dec 19 12:47:19.988 INFO [stderr] warning: variant is never constructed: `TwoBranch`
Dec 19 12:47:19.988 INFO [stderr]   --> src/assembler/main.rs:87:3
Dec 19 12:47:19.988 INFO [stderr]    |
Dec 19 12:47:19.988 INFO [stderr] 87 |   TwoBranch(&'a str, &'a str),
Dec 19 12:47:19.988 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:47:19.988 INFO [stderr] 
Dec 19 12:47:19.988 INFO [stderr] warning: variant is never constructed: `OneBranch`
Dec 19 12:47:19.988 INFO [stderr]   --> src/assembler/main.rs:88:3
Dec 19 12:47:19.988 INFO [stderr]    |
Dec 19 12:47:19.988 INFO [stderr] 88 |   OneBranch(&'a str),
Dec 19 12:47:19.988 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^
Dec 19 12:47:19.989 INFO [stderr] 
Dec 19 12:47:20.199 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.70s
Dec 19 12:47:20.836 INFO running `"docker" "inspect" "ebb8844f0ca0b5a635dc51b18fa49cd2e8619bcbf8bf6ce1cdf407741d3b85e1"`
Dec 19 12:47:21.095 INFO running `"docker" "rm" "-f" "ebb8844f0ca0b5a635dc51b18fa49cd2e8619bcbf8bf6ce1cdf407741d3b85e1"`
Dec 19 12:47:21.327 INFO [stdout] ebb8844f0ca0b5a635dc51b18fa49cd2e8619bcbf8bf6ce1cdf407741d3b85e1