[INFO] cloning repository https://github.com/melvinw/rust-bpf
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/melvinw/rust-bpf" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmelvinw%2Frust-bpf", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmelvinw%2Frust-bpf'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 673b26301563759f232e9665febd00ee3db75089
[INFO] building melvinw/rust-bpf against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmelvinw%2Frust-bpf" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/melvinw/rust-bpf on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/melvinw/rust-bpf
[INFO] finished tweaking git repo https://github.com/melvinw/rust-bpf
[INFO] tweaked toml for git repo https://github.com/melvinw/rust-bpf written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/melvinw/rust-bpf 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libc v0.2.32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6a3612c72806370a49810a60252d0d6b0d586508cab3e83374ce790a1c87ca6e
[INFO] running `Command { std: "docker" "start" "-a" "6a3612c72806370a49810a60252d0d6b0d586508cab3e83374ce790a1c87ca6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a3612c72806370a49810a60252d0d6b0d586508cab3e83374ce790a1c87ca6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a3612c72806370a49810a60252d0d6b0d586508cab3e83374ce790a1c87ca6e", kill_on_drop: false }`
[INFO] [stdout] 6a3612c72806370a49810a60252d0d6b0d586508cab3e83374ce790a1c87ca6e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cd623ec59250962ed92eb78e69fa1ba798425840fcd901d86cb95490b9854d37
[INFO] running `Command { std: "docker" "start" "-a" "cd623ec59250962ed92eb78e69fa1ba798425840fcd901d86cb95490b9854d37", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling libc v0.2.32
[INFO] [stderr]    Compiling lazy_static v0.2.9
[INFO] [stderr]    Compiling regex-syntax v0.4.1
[INFO] [stderr]    Compiling utf8-ranges v1.0.0
[INFO] [stderr]    Compiling byteorder v1.1.0
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling thread_local v0.3.4
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling aho-corasick v0.6.3
[INFO] [stderr]    Compiling regex v0.2.2
[INFO] [stderr]    Compiling rust_bpf v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `NativeEndian`
[INFO] [stdout]  --> src/vm/machine.rs:8:34
[INFO] [stdout]   |
[INFO] [stdout] 8 | use self::byteorder::{BigEndian, NativeEndian, ReadBytesExt};
[INFO] [stdout]   |                                  ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/assembler/main.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | /     lazy_static! {
[INFO] [stdout] 29 | |       static ref INSTR_RE: Regex = Regex::new(INSTR_REGEX).unwrap();
[INFO] [stdout] 30 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/assembler/main.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | /     lazy_static! {
[INFO] [stdout] 29 | |       static ref INSTR_RE: Regex = Regex::new(INSTR_REGEX).unwrap();
[INFO] [stdout] 30 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/assembler/main.rs:94:5
[INFO] [stdout]    |
[INFO] [stdout] 94 | /     lazy_static! {
[INFO] [stdout] 95 | |       static ref MODE_RE_OFFSET: Regex = Regex::new(r"(M)?\[\s*(x\s*\+)?\s*(\d+)\s*\]").unwrap();
[INFO] [stdout] 96 | |       static ref MODE_RE_IMM: Regex = Regex::new(r"#(0x)?(\-?\d+)").unwrap();
[INFO] [stdout] 97 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/assembler/main.rs:94:5
[INFO] [stdout]    |
[INFO] [stdout] 94 | /     lazy_static! {
[INFO] [stdout] 95 | |       static ref MODE_RE_OFFSET: Regex = Regex::new(r"(M)?\[\s*(x\s*\+)?\s*(\d+)\s*\]").unwrap();
[INFO] [stdout] 96 | |       static ref MODE_RE_IMM: Regex = Regex::new(r"#(0x)?(\-?\d+)").unwrap();
[INFO] [stdout] 97 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/assembler/main.rs:94:5
[INFO] [stdout]    |
[INFO] [stdout] 94 | /     lazy_static! {
[INFO] [stdout] 95 | |       static ref MODE_RE_OFFSET: Regex = Regex::new(r"(M)?\[\s*(x\s*\+)?\s*(\d+)\s*\]").unwrap();
[INFO] [stdout] 96 | |       static ref MODE_RE_IMM: Regex = Regex::new(r"#(0x)?(\-?\d+)").unwrap();
[INFO] [stdout] 97 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/assembler/main.rs:94:5
[INFO] [stdout]    |
[INFO] [stdout] 94 | /     lazy_static! {
[INFO] [stdout] 95 | |       static ref MODE_RE_OFFSET: Regex = Regex::new(r"(M)?\[\s*(x\s*\+)?\s*(\d+)\s*\]").unwrap();
[INFO] [stdout] 96 | |       static ref MODE_RE_IMM: Regex = Regex::new(r"#(0x)?(\-?\d+)").unwrap();
[INFO] [stdout] 97 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `instructions`
[INFO] [stdout]    --> src/assembler/main.rs:146:11
[INFO] [stdout]     |
[INFO] [stdout] 146 |   let mut instructions: Vec<Instruction> = Vec::new();
[INFO] [stdout]     |           ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_instructions`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `op`
[INFO] [stdout]    --> src/assembler/main.rs:158:9
[INFO] [stdout]     |
[INFO] [stdout] 158 |     let op = instr.op.unwrap();
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_op`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/assembler/main.rs:146:7
[INFO] [stdout]     |
[INFO] [stdout] 146 |   let mut instructions: Vec<Instruction> = Vec::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 `lt` and `lf` are never read
[INFO] [stdout]   --> src/assembler/main.rs:21:7
[INFO] [stdout]    |
[INFO] [stdout] 17 | struct AsmInstr<'a> {
[INFO] [stdout]    |        -------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 21 |   pub lt: Option<&'a str>,
[INFO] [stdout]    |       ^^
[INFO] [stdout] 22 |   pub lf: Option<&'a str>,
[INFO] [stdout]    |       ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `AsmInstr` has derived impls for the traits `Default`, `Debug`, and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/assembler/main.rs:81:10
[INFO] [stdout]    |
[INFO] [stdout] 81 |   Packet(u32),
[INFO] [stdout]    |   ------ ^^^
[INFO] [stdout]    |   |
[INFO] [stdout]    |   field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `AddrMode` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 81 |   Packet(()),
[INFO] [stdout]    |          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/assembler/main.rs:82:18
[INFO] [stdout]    |
[INFO] [stdout] 82 |   PacketIndirect(u32),
[INFO] [stdout]    |   -------------- ^^^
[INFO] [stdout]    |   |
[INFO] [stdout]    |   field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `AddrMode` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 82 |   PacketIndirect(()),
[INFO] [stdout]    |                  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/assembler/main.rs:83:14
[INFO] [stdout]    |
[INFO] [stdout] 83 |   ScratchMem(u32),
[INFO] [stdout]    |   ---------- ^^^
[INFO] [stdout]    |   |
[INFO] [stdout]    |   field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `AddrMode` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 83 |   ScratchMem(()),
[INFO] [stdout]    |              ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/assembler/main.rs:84:11
[INFO] [stdout]    |
[INFO] [stdout] 84 |   Literal(i32),
[INFO] [stdout]    |   ------- ^^^
[INFO] [stdout]    |   |
[INFO] [stdout]    |   field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `AddrMode` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 84 |   Literal(()),
[INFO] [stdout]    |           ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `PacketNibble`, `JumpLabel`, `TwoBranch`, and `OneBranch` are never constructed
[INFO] [stdout]   --> src/assembler/main.rs:85:3
[INFO] [stdout]    |
[INFO] [stdout] 79 | enum AddrMode<'a> {
[INFO] [stdout]    |      -------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 85 |   PacketNibble(u32),
[INFO] [stdout]    |   ^^^^^^^^^^^^
[INFO] [stdout] 86 |   JumpLabel(&'a str),
[INFO] [stdout]    |   ^^^^^^^^^
[INFO] [stdout] 87 |   TwoBranch(&'a str, &'a str),
[INFO] [stdout]    |   ^^^^^^^^^
[INFO] [stdout] 88 |   OneBranch(&'a str),
[INFO] [stdout]    |   ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `AddrMode` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.15s
[INFO] running `Command { std: "docker" "inspect" "cd623ec59250962ed92eb78e69fa1ba798425840fcd901d86cb95490b9854d37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd623ec59250962ed92eb78e69fa1ba798425840fcd901d86cb95490b9854d37", kill_on_drop: false }`
[INFO] [stdout] cd623ec59250962ed92eb78e69fa1ba798425840fcd901d86cb95490b9854d37
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 83c643bdee5c49bd787c91e92ab99dccc34729d6564b5dd632efaffaf96ba478
[INFO] running `Command { std: "docker" "start" "-a" "83c643bdee5c49bd787c91e92ab99dccc34729d6564b5dd632efaffaf96ba478", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling rust_bpf v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/assembler/main.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | /     lazy_static! {
[INFO] [stdout] 29 | |       static ref INSTR_RE: Regex = Regex::new(INSTR_REGEX).unwrap();
[INFO] [stdout] 30 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/assembler/main.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | /     lazy_static! {
[INFO] [stdout] 29 | |       static ref INSTR_RE: Regex = Regex::new(INSTR_REGEX).unwrap();
[INFO] [stdout] 30 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/assembler/main.rs:94:5
[INFO] [stdout]    |
[INFO] [stdout] 94 | /     lazy_static! {
[INFO] [stdout] 95 | |       static ref MODE_RE_OFFSET: Regex = Regex::new(r"(M)?\[\s*(x\s*\+)?\s*(\d+)\s*\]").unwrap();
[INFO] [stdout] 96 | |       static ref MODE_RE_IMM: Regex = Regex::new(r"#(0x)?(\-?\d+)").unwrap();
[INFO] [stdout] 97 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/assembler/main.rs:94:5
[INFO] [stdout]    |
[INFO] [stdout] 94 | /     lazy_static! {
[INFO] [stdout] 95 | |       static ref MODE_RE_OFFSET: Regex = Regex::new(r"(M)?\[\s*(x\s*\+)?\s*(\d+)\s*\]").unwrap();
[INFO] [stdout] 96 | |       static ref MODE_RE_IMM: Regex = Regex::new(r"#(0x)?(\-?\d+)").unwrap();
[INFO] [stdout] 97 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/assembler/main.rs:94:5
[INFO] [stdout]    |
[INFO] [stdout] 94 | /     lazy_static! {
[INFO] [stdout] 95 | |       static ref MODE_RE_OFFSET: Regex = Regex::new(r"(M)?\[\s*(x\s*\+)?\s*(\d+)\s*\]").unwrap();
[INFO] [stdout] 96 | |       static ref MODE_RE_IMM: Regex = Regex::new(r"#(0x)?(\-?\d+)").unwrap();
[INFO] [stdout] 97 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/assembler/main.rs:94:5
[INFO] [stdout]    |
[INFO] [stdout] 94 | /     lazy_static! {
[INFO] [stdout] 95 | |       static ref MODE_RE_OFFSET: Regex = Regex::new(r"(M)?\[\s*(x\s*\+)?\s*(\d+)\s*\]").unwrap();
[INFO] [stdout] 96 | |       static ref MODE_RE_IMM: Regex = Regex::new(r"#(0x)?(\-?\d+)").unwrap();
[INFO] [stdout] 97 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `NativeEndian`
[INFO] [stdout]  --> src/vm/machine.rs:8:34
[INFO] [stdout]   |
[INFO] [stdout] 8 | use self::byteorder::{BigEndian, NativeEndian, ReadBytesExt};
[INFO] [stdout]   |                                  ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `instructions`
[INFO] [stdout]    --> src/assembler/main.rs:146:11
[INFO] [stdout]     |
[INFO] [stdout] 146 |   let mut instructions: Vec<Instruction> = Vec::new();
[INFO] [stdout]     |           ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_instructions`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `op`
[INFO] [stdout]    --> src/assembler/main.rs:158:9
[INFO] [stdout]     |
[INFO] [stdout] 158 |     let op = instr.op.unwrap();
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_op`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/assembler/main.rs:146:7
[INFO] [stdout]     |
[INFO] [stdout] 146 |   let mut instructions: Vec<Instruction> = Vec::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 `lt` and `lf` are never read
[INFO] [stdout]   --> src/assembler/main.rs:21:7
[INFO] [stdout]    |
[INFO] [stdout] 17 | struct AsmInstr<'a> {
[INFO] [stdout]    |        -------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 21 |   pub lt: Option<&'a str>,
[INFO] [stdout]    |       ^^
[INFO] [stdout] 22 |   pub lf: Option<&'a str>,
[INFO] [stdout]    |       ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `AsmInstr` has derived impls for the traits `Default`, `Debug`, and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/assembler/main.rs:81:10
[INFO] [stdout]    |
[INFO] [stdout] 81 |   Packet(u32),
[INFO] [stdout]    |   ------ ^^^
[INFO] [stdout]    |   |
[INFO] [stdout]    |   field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `AddrMode` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 81 |   Packet(()),
[INFO] [stdout]    |          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/assembler/main.rs:82:18
[INFO] [stdout]    |
[INFO] [stdout] 82 |   PacketIndirect(u32),
[INFO] [stdout]    |   -------------- ^^^
[INFO] [stdout]    |   |
[INFO] [stdout]    |   field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `AddrMode` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 82 |   PacketIndirect(()),
[INFO] [stdout]    |                  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/assembler/main.rs:83:14
[INFO] [stdout]    |
[INFO] [stdout] 83 |   ScratchMem(u32),
[INFO] [stdout]    |   ---------- ^^^
[INFO] [stdout]    |   |
[INFO] [stdout]    |   field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `AddrMode` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 83 |   ScratchMem(()),
[INFO] [stdout]    |              ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/assembler/main.rs:84:11
[INFO] [stdout]    |
[INFO] [stdout] 84 |   Literal(i32),
[INFO] [stdout]    |   ------- ^^^
[INFO] [stdout]    |   |
[INFO] [stdout]    |   field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `AddrMode` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 84 |   Literal(()),
[INFO] [stdout]    |           ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `PacketNibble`, `JumpLabel`, `TwoBranch`, and `OneBranch` are never constructed
[INFO] [stdout]   --> src/assembler/main.rs:85:3
[INFO] [stdout]    |
[INFO] [stdout] 79 | enum AddrMode<'a> {
[INFO] [stdout]    |      -------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 85 |   PacketNibble(u32),
[INFO] [stdout]    |   ^^^^^^^^^^^^
[INFO] [stdout] 86 |   JumpLabel(&'a str),
[INFO] [stdout]    |   ^^^^^^^^^
[INFO] [stdout] 87 |   TwoBranch(&'a str, &'a str),
[INFO] [stdout]    |   ^^^^^^^^^
[INFO] [stdout] 88 |   OneBranch(&'a str),
[INFO] [stdout]    |   ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `AddrMode` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "83c643bdee5c49bd787c91e92ab99dccc34729d6564b5dd632efaffaf96ba478", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83c643bdee5c49bd787c91e92ab99dccc34729d6564b5dd632efaffaf96ba478", kill_on_drop: false }`
[INFO] [stdout] 83c643bdee5c49bd787c91e92ab99dccc34729d6564b5dd632efaffaf96ba478