[INFO] cloning repository https://github.com/cult-of-mari/constcc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cult-of-mari/constcc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcult-of-mari%2Fconstcc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcult-of-mari%2Fconstcc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 63aa35945867bc254bf96e64f0eb3cf1bed6b091
[INFO] checking cult-of-mari/constcc against master#ecb170afc878648c3ae355dbd596c8e4b6f7ebdc for pr-139022
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcult-of-mari%2Fconstcc" "/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/cult-of-mari/constcc on toolchain ecb170afc878648c3ae355dbd596c8e4b6f7ebdc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ecb170afc878648c3ae355dbd596c8e4b6f7ebdc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cult-of-mari/constcc
[INFO] finished tweaking git repo https://github.com/cult-of-mari/constcc
[INFO] tweaked toml for git repo https://github.com/cult-of-mari/constcc written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/cult-of-mari/constcc 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" "+ecb170afc878648c3ae355dbd596c8e4b6f7ebdc" "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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+ecb170afc878648c3ae355dbd596c8e4b6f7ebdc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 764c4375dc28fe3e4478c455d7fc74f4dfc230fc6a0fc2b39bcef8fde9defe7b
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[INFO] running `Command { std: "docker" "inspect" "764c4375dc28fe3e4478c455d7fc74f4dfc230fc6a0fc2b39bcef8fde9defe7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "764c4375dc28fe3e4478c455d7fc74f4dfc230fc6a0fc2b39bcef8fde9defe7b", kill_on_drop: false }`
[INFO] [stdout] 764c4375dc28fe3e4478c455d7fc74f4dfc230fc6a0fc2b39bcef8fde9defe7b
[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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+ecb170afc878648c3ae355dbd596c8e4b6f7ebdc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6d048edabe2543941758d8c7249e67b5fed8006f6c973409c032b9d18eed0105
[INFO] running `Command { std: "docker" "start" "-a" "6d048edabe2543941758d8c7249e67b5fed8006f6c973409c032b9d18eed0105", kill_on_drop: false }`
[INFO] [stderr]     Checking constcc v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant `WRITE` is never used
[INFO] [stdout]   --> src/elf.rs:11:7
[INFO] [stdout]    |
[INFO] [stdout] 11 | const WRITE: u32 = 2;
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `WRITE` is never used
[INFO] [stdout]   --> src/elf.rs:11:7
[INFO] [stdout]    |
[INFO] [stdout] 11 | const WRITE: u32 = 2;
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ThirtyTwo` is never constructed
[INFO] [stdout]   --> src/elf_header.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub enum BitWidth {
[INFO] [stdout]    |          -------- variant in this enum
[INFO] [stdout] 21 |     ThirtyTwo = 1,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BitWidth` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ThirtyTwo` is never constructed
[INFO] [stdout]   --> src/elf_header.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub enum BitWidth {
[INFO] [stdout]    |          -------- variant in this enum
[INFO] [stdout] 21 |     ThirtyTwo = 1,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BitWidth` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Big` is never constructed
[INFO] [stdout]   --> src/elf_header.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub enum Endian {
[INFO] [stdout]    |          ------ variant in this enum
[INFO] [stdout] 28 |     Little = 1,
[INFO] [stdout] 29 |     Big = 2,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Endian` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Big` is never constructed
[INFO] [stdout]   --> src/elf_header.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub enum Endian {
[INFO] [stdout]    |          ------ variant in this enum
[INFO] [stdout] 28 |     Little = 1,
[INFO] [stdout] 29 |     Big = 2,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Endian` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `as_bytes` is never used
[INFO] [stdout]    --> src/elf_header.rs:123:18
[INFO] [stdout]     |
[INFO] [stdout] 94  | impl ElfHeader {
[INFO] [stdout]     | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 123 |     pub const fn as_bytes(&self) -> &[u8; Self::SIZE] {
[INFO] [stdout]     |                  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `as_bytes` is never used
[INFO] [stdout]    --> src/elf_header.rs:123:18
[INFO] [stdout]     |
[INFO] [stdout] 94  | impl ElfHeader {
[INFO] [stdout]     | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 123 |     pub const fn as_bytes(&self) -> &[u8; Self::SIZE] {
[INFO] [stdout]     |                  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Rcx`, `Rbx`, `Rsp`, and `Rbp` are never constructed
[INFO] [stdout]   --> src/instruction.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout] 6  | pub enum Register {
[INFO] [stdout]    |          -------- variants in this enum
[INFO] [stdout] 7  |     Rax = 0, // Register code 0
[INFO] [stdout] 8  |     Rcx = 1, // Register code 1
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 9  |     Rdx = 2, // Register code 2
[INFO] [stdout] 10 |     Rbx = 3, // Register code 3
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 11 |     Rsp = 4, // Register code 4
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 12 |     Rbp = 5, // Register code 5
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Register` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Rcx`, `Rbx`, `Rsp`, and `Rbp` are never constructed
[INFO] [stdout]   --> src/instruction.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout] 6  | pub enum Register {
[INFO] [stdout]    |          -------- variants in this enum
[INFO] [stdout] 7  |     Rax = 0, // Register code 0
[INFO] [stdout] 8  |     Rcx = 1, // Register code 1
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 9  |     Rdx = 2, // Register code 2
[INFO] [stdout] 10 |     Rbx = 3, // Register code 3
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 11 |     Rsp = 4, // Register code 4
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 12 |     Rbp = 5, // Register code 5
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Register` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `eq` is never used
[INFO] [stdout]   --> src/instruction.rs:87:10
[INFO] [stdout]    |
[INFO] [stdout] 87 | const fn eq(left: &[u8], right: &[u8]) -> bool {
[INFO] [stdout]    |          ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `eq` is never used
[INFO] [stdout]   --> src/instruction.rs:87:10
[INFO] [stdout]    |
[INFO] [stdout] 87 | const fn eq(left: &[u8], right: &[u8]) -> bool {
[INFO] [stdout]    |          ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `assert_encoding` is never used
[INFO] [stdout]    --> src/instruction.rs:106:10
[INFO] [stdout]     |
[INFO] [stdout] 106 | const fn assert_encoding(instruction: Instruction, expected: &[u8]) {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `assert_encoding` is never used
[INFO] [stdout]    --> src/instruction.rs:106:10
[INFO] [stdout]     |
[INFO] [stdout] 106 | const fn assert_encoding(instruction: Instruction, expected: &[u8]) {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `as_bytes` is never used
[INFO] [stdout]   --> src/program_header.rs:34:18
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl ProgramHeader {
[INFO] [stdout]    | ------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 34 |     pub const fn as_bytes(&self) -> &[u8; Self::SIZE] {
[INFO] [stdout]    |                  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `as_bytes` is never used
[INFO] [stdout]   --> src/program_header.rs:34:18
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl ProgramHeader {
[INFO] [stdout]    | ------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 34 |     pub const fn as_bytes(&self) -> &[u8; Self::SIZE] {
[INFO] [stdout]    |                  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `SymbolTable` is never constructed
[INFO] [stdout]  --> src/section_header.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub enum Kind {
[INFO] [stdout]   |          ---- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 8 |     SymbolTable = 2,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Kind` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `SymbolTable` is never constructed
[INFO] [stdout]  --> src/section_header.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub enum Kind {
[INFO] [stdout]   |          ---- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 8 |     SymbolTable = 2,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Kind` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `as_bytes` is never used
[INFO] [stdout]   --> src/section_header.rs:45:18
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl SectionHeader {
[INFO] [stdout]    | ------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 45 |     pub const fn as_bytes(&self) -> &[u8; Self::SIZE] {
[INFO] [stdout]    |                  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `as_bytes` is never used
[INFO] [stdout]   --> src/section_header.rs:45:18
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl SectionHeader {
[INFO] [stdout]    | ------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 45 |     pub const fn as_bytes(&self) -> &[u8; Self::SIZE] {
[INFO] [stdout]    |                  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "6d048edabe2543941758d8c7249e67b5fed8006f6c973409c032b9d18eed0105", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d048edabe2543941758d8c7249e67b5fed8006f6c973409c032b9d18eed0105", kill_on_drop: false }`
[INFO] [stdout] 6d048edabe2543941758d8c7249e67b5fed8006f6c973409c032b9d18eed0105