[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] testing melvinw/rust-bpf against 1.45.2 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmelvinw%2Frust-bpf" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/melvinw/rust-bpf on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", 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-9/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: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ac9dba764a1aaefaeb986c122b61c4e6dbbac57832c78787f5075aa49a9a6c14
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ac9dba764a1aaefaeb986c122b61c4e6dbbac57832c78787f5075aa49a9a6c14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac9dba764a1aaefaeb986c122b61c4e6dbbac57832c78787f5075aa49a9a6c14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac9dba764a1aaefaeb986c122b61c4e6dbbac57832c78787f5075aa49a9a6c14", kill_on_drop: false }`
[INFO] [stdout] ac9dba764a1aaefaeb986c122b61c4e6dbbac57832c78787f5075aa49a9a6c14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 78b8ea1db5e3313583c8468e9903f6e826ba8ab528e359e29a2eb334a0944d7e
[INFO] running `Command { std: "docker" "start" "-a" "78b8ea1db5e3313583c8468e9903f6e826ba8ab528e359e29a2eb334a0944d7e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.32
[INFO] [stderr]    Compiling lazy_static v0.2.9
[INFO] [stderr]    Compiling utf8-ranges v1.0.0
[INFO] [stderr]    Compiling regex-syntax v0.4.1
[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 item 'std::sync::ONCE_INIT': the `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 a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::sync::ONCE_INIT': the `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 a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::sync::ONCE_INIT': the `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 a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::sync::ONCE_INIT': the `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 a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::sync::ONCE_INIT': the `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 a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::sync::ONCE_INIT': the `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 a macro (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:146:7
[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: variant is never constructed: `PacketNibble`
[INFO] [stdout]   --> src/assembler/main.rs:85:3
[INFO] [stdout]    |
[INFO] [stdout] 85 |   PacketNibble(u32),
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `JumpLabel`
[INFO] [stdout]   --> src/assembler/main.rs:86:3
[INFO] [stdout]    |
[INFO] [stdout] 86 |   JumpLabel(&'a str),
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `TwoBranch`
[INFO] [stdout]   --> src/assembler/main.rs:87:3
[INFO] [stdout]    |
[INFO] [stdout] 87 |   TwoBranch(&'a str, &'a str),
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `OneBranch`
[INFO] [stdout]   --> src/assembler/main.rs:88:3
[INFO] [stdout]    |
[INFO] [stdout] 88 |   OneBranch(&'a str),
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.17s
[INFO] running `Command { std: "docker" "inspect" "78b8ea1db5e3313583c8468e9903f6e826ba8ab528e359e29a2eb334a0944d7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78b8ea1db5e3313583c8468e9903f6e826ba8ab528e359e29a2eb334a0944d7e", kill_on_drop: false }`
[INFO] [stdout] 78b8ea1db5e3313583c8468e9903f6e826ba8ab528e359e29a2eb334a0944d7e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] aa77500ee0c80bee4fe78976686430151d6ad50bc1602c47b67b7209e4cf7658
[INFO] running `Command { std: "docker" "start" "-a" "aa77500ee0c80bee4fe78976686430151d6ad50bc1602c47b67b7209e4cf7658", kill_on_drop: false }`
[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 item 'std::sync::ONCE_INIT': the `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 a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::sync::ONCE_INIT': the `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 a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::sync::ONCE_INIT': the `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 a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::sync::ONCE_INIT': the `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 a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::sync::ONCE_INIT': the `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 a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::sync::ONCE_INIT': the `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 a macro (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:146:7
[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: variant is never constructed: `PacketNibble`
[INFO] [stdout]   --> src/assembler/main.rs:85:3
[INFO] [stdout]    |
[INFO] [stdout] 85 |   PacketNibble(u32),
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `JumpLabel`
[INFO] [stdout]   --> src/assembler/main.rs:86:3
[INFO] [stdout]    |
[INFO] [stdout] 86 |   JumpLabel(&'a str),
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `TwoBranch`
[INFO] [stdout]   --> src/assembler/main.rs:87:3
[INFO] [stdout]    |
[INFO] [stdout] 87 |   TwoBranch(&'a str, &'a str),
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `OneBranch`
[INFO] [stdout]   --> src/assembler/main.rs:88:3
[INFO] [stdout]    |
[INFO] [stdout] 88 |   OneBranch(&'a str),
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.83s
[INFO] running `Command { std: "docker" "inspect" "aa77500ee0c80bee4fe78976686430151d6ad50bc1602c47b67b7209e4cf7658", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa77500ee0c80bee4fe78976686430151d6ad50bc1602c47b67b7209e4cf7658", kill_on_drop: false }`
[INFO] [stdout] aa77500ee0c80bee4fe78976686430151d6ad50bc1602c47b67b7209e4cf7658
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 528ecf1d083d3124a6d6711187f9307bb9f7fb1d797deb10c0a637047c9c4866
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "528ecf1d083d3124a6d6711187f9307bb9f7fb1d797deb10c0a637047c9c4866", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/assembler/main.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 | /     lazy_static! {
[INFO] [stderr] 29 | |       static ref INSTR_RE: Regex = Regex::new(INSTR_REGEX).unwrap();
[INFO] [stderr] 30 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/assembler/main.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 | /     lazy_static! {
[INFO] [stderr] 29 | |       static ref INSTR_RE: Regex = Regex::new(INSTR_REGEX).unwrap();
[INFO] [stderr] 30 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/assembler/main.rs:94:5
[INFO] [stderr]    |
[INFO] [stderr] 94 | /     lazy_static! {
[INFO] [stderr] 95 | |       static ref MODE_RE_OFFSET: Regex = Regex::new(r"(M)?\[\s*(x\s*\+)?\s*(\d+)\s*\]").unwrap();
[INFO] [stderr] 96 | |       static ref MODE_RE_IMM: Regex = Regex::new(r"#(0x)?(\-?\d+)").unwrap();
[INFO] [stderr] 97 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/assembler/main.rs:94:5
[INFO] [stderr]    |
[INFO] [stderr] 94 | /     lazy_static! {
[INFO] [stderr] 95 | |       static ref MODE_RE_OFFSET: Regex = Regex::new(r"(M)?\[\s*(x\s*\+)?\s*(\d+)\s*\]").unwrap();
[INFO] [stderr] 96 | |       static ref MODE_RE_IMM: Regex = Regex::new(r"#(0x)?(\-?\d+)").unwrap();
[INFO] [stderr] 97 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/assembler/main.rs:94:5
[INFO] [stderr]    |
[INFO] [stderr] 94 | /     lazy_static! {
[INFO] [stderr] 95 | |       static ref MODE_RE_OFFSET: Regex = Regex::new(r"(M)?\[\s*(x\s*\+)?\s*(\d+)\s*\]").unwrap();
[INFO] [stderr] 96 | |       static ref MODE_RE_IMM: Regex = Regex::new(r"#(0x)?(\-?\d+)").unwrap();
[INFO] [stderr] 97 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/assembler/main.rs:94:5
[INFO] [stderr]    |
[INFO] [stderr] 94 | /     lazy_static! {
[INFO] [stderr] 95 | |       static ref MODE_RE_OFFSET: Regex = Regex::new(r"(M)?\[\s*(x\s*\+)?\s*(\d+)\s*\]").unwrap();
[INFO] [stderr] 96 | |       static ref MODE_RE_IMM: Regex = Regex::new(r"#(0x)?(\-?\d+)").unwrap();
[INFO] [stderr] 97 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `instructions`
[INFO] [stderr]    --> src/assembler/main.rs:146:7
[INFO] [stderr]     |
[INFO] [stderr] 146 |   let mut instructions: Vec<Instruction> = Vec::new();
[INFO] [stderr]     |       ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it 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: if this is intentional, prefix it 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<Instruction> = 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: 13 warnings emitted
[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] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_bpf-798373800f1d9688
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/asm-501f336e5a7e0c14
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/vm-0ea93eb1ec49ef3f
[INFO] [stdout] 
[INFO] [stdout] running 22 tests
[INFO] [stdout] test machine::tests::alu_imm ... ok
[INFO] [stdout] test machine::tests::ldxl ... ok
[INFO] [stdout] test machine::tests::reta ... ok
[INFO] [stdout] test machine::tests::retk ... ok
[INFO] [stdout] test machine::tests::run_bytecode ... ok
[INFO] [stdout] test machine::tests::st ... ok
[INFO] [stdout] test machine::tests::stx ... ok
[INFO] [stdout] test machine::tests::tax ... ok
[INFO] [stdout] test machine::tests::txa ... ok
[INFO] [stdout] test machine::tests::ldhm ... ok
[INFO] [stdout] test machine::tests::ldbm ... ok
[INFO] [stdout] test machine::tests::ldb ... ok
[INFO] [stdout] test machine::tests::ldw ... ok
[INFO] [stdout] test machine::tests::ldh ... ok
[INFO] [stdout] test machine::tests::ldhi ... ok
[INFO] [stdout] test machine::tests::ldi ... ok
[INFO] [stdout] test machine::tests::ldxi ... ok
[INFO] [stdout] test machine::tests::jump ... ok
[INFO] [stdout] test machine::tests::ldwi ... ok
[INFO] [stdout] test machine::tests::alu_index ... ok
[INFO] [stdout] test machine::tests::ldwm ... ok
[INFO] [stdout] test machine::tests::ldbi ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 22 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rust_bpf
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "528ecf1d083d3124a6d6711187f9307bb9f7fb1d797deb10c0a637047c9c4866", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "528ecf1d083d3124a6d6711187f9307bb9f7fb1d797deb10c0a637047c9c4866", kill_on_drop: false }`
[INFO] [stdout] 528ecf1d083d3124a6d6711187f9307bb9f7fb1d797deb10c0a637047c9c4866