[INFO] cloning repository https://github.com/arenmn/chair
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/arenmn/chair" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farenmn%2Fchair", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farenmn%2Fchair'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c099edcaa8788fe4b47c7f1d2811984dde1a48ad
[INFO] testing arenmn/chair against master#1f7f8ea0721a3b1eb73e6c6d25cccb371434b320 for pr-154065-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farenmn%2Fchair" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/arenmn/chair
[INFO] finished tweaking git repo https://github.com/arenmn/chair
[INFO] tweaked toml for git repo https://github.com/arenmn/chair written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/arenmn/chair on toolchain 1f7f8ea0721a3b1eb73e6c6d25cccb371434b320
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/arenmn/chair 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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 15513e796d974535e9d4800ef07f8be7ea4b25804c2f3192a2675bccd55e1a32
[INFO] running `Command { std: "docker" "start" "-a" "15513e796d974535e9d4800ef07f8be7ea4b25804c2f3192a2675bccd55e1a32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "15513e796d974535e9d4800ef07f8be7ea4b25804c2f3192a2675bccd55e1a32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15513e796d974535e9d4800ef07f8be7ea4b25804c2f3192a2675bccd55e1a32", kill_on_drop: false }`
[INFO] [stdout] 15513e796d974535e9d4800ef07f8be7ea4b25804c2f3192a2675bccd55e1a32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cca50da717a91d8d77eed31281ff52447f6d342fe9819dea385e350d575dcc70
[INFO] running `Command { std: "docker" "start" "-a" "cca50da717a91d8d77eed31281ff52447f6d342fe9819dea385e350d575dcc70", kill_on_drop: false }`
[INFO] [stderr]    Compiling chair v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/codegen/x64_elf.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Relocation` is more private than the item `CompilerX64Elf::relocations`
[INFO] [stdout]   --> src/codegen/x64_elf.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub(crate) relocations: Vec<Relocation>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ field `CompilerX64Elf::relocations` is reachable at visibility `pub(crate)`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `Relocation` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/codegen/x64_elf.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct Relocation {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Symbol` is more private than the item `CompilerX64Elf::symbols`
[INFO] [stdout]   --> src/codegen/x64_elf.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub(crate) symbols: Vec<Symbol>
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ field `CompilerX64Elf::symbols` is reachable at visibility `pub(crate)`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `Symbol` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/codegen/x64_elf.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | struct Symbol {
[INFO] [stdout]    | ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `globals` are never read
[INFO] [stdout]   --> src/ir/mod.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout]  7 | pub struct TranslationUnit {
[INFO] [stdout]    |            --------------- fields in this struct
[INFO] [stdout]  8 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]  9 |     pub(crate) functions: HashMap<String, Function>,
[INFO] [stdout] 10 |     pub(crate) globals: HashMap<String, Value>
[INFO] [stdout]    |                ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from` is never used
[INFO] [stdout]   --> src/ir/mod.rs:55:8
[INFO] [stdout]    |
[INFO] [stdout] 47 | impl Block {
[INFO] [stdout]    | ---------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 55 |     fn from(instructions: Vec<Instruction>, terminator: Terminator) -> Block {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Jump` is never constructed
[INFO] [stdout]    --> src/ir/mod.rs:117:5
[INFO] [stdout]     |
[INFO] [stdout] 116 | pub enum Terminator {
[INFO] [stdout]     |          ---------- variant in this enum
[INFO] [stdout] 117 |     Jump(Box<Block>),
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Terminator` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `dst_section` is never read
[INFO] [stdout]   --> src/codegen/x64_elf.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct Relocation {
[INFO] [stdout]    |        ---------- field in this struct
[INFO] [stdout] 13 |     src_symbol: usize,
[INFO] [stdout] 14 |     dst_section: Section,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `Command { std: "docker" "inspect" "cca50da717a91d8d77eed31281ff52447f6d342fe9819dea385e350d575dcc70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cca50da717a91d8d77eed31281ff52447f6d342fe9819dea385e350d575dcc70", kill_on_drop: false }`
[INFO] [stdout] cca50da717a91d8d77eed31281ff52447f6d342fe9819dea385e350d575dcc70
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8e8c7a4b53bf5ce07de395a597d148816665aa46ce7d7b350c310cf7863248d8
[INFO] running `Command { std: "docker" "start" "-a" "8e8c7a4b53bf5ce07de395a597d148816665aa46ce7d7b350c310cf7863248d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling chair v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/codegen/x64_elf.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Relocation` is more private than the item `CompilerX64Elf::relocations`
[INFO] [stdout]   --> src/codegen/x64_elf.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub(crate) relocations: Vec<Relocation>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ field `CompilerX64Elf::relocations` is reachable at visibility `pub(crate)`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `Relocation` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/codegen/x64_elf.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct Relocation {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Symbol` is more private than the item `CompilerX64Elf::symbols`
[INFO] [stdout]   --> src/codegen/x64_elf.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub(crate) symbols: Vec<Symbol>
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ field `CompilerX64Elf::symbols` is reachable at visibility `pub(crate)`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `Symbol` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/codegen/x64_elf.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | struct Symbol {
[INFO] [stdout]    | ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `globals` are never read
[INFO] [stdout]   --> src/ir/mod.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout]  7 | pub struct TranslationUnit {
[INFO] [stdout]    |            --------------- fields in this struct
[INFO] [stdout]  8 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]  9 |     pub(crate) functions: HashMap<String, Function>,
[INFO] [stdout] 10 |     pub(crate) globals: HashMap<String, Value>
[INFO] [stdout]    |                ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from` is never used
[INFO] [stdout]   --> src/ir/mod.rs:55:8
[INFO] [stdout]    |
[INFO] [stdout] 47 | impl Block {
[INFO] [stdout]    | ---------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 55 |     fn from(instructions: Vec<Instruction>, terminator: Terminator) -> Block {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Jump` is never constructed
[INFO] [stdout]    --> src/ir/mod.rs:117:5
[INFO] [stdout]     |
[INFO] [stdout] 116 | pub enum Terminator {
[INFO] [stdout]     |          ---------- variant in this enum
[INFO] [stdout] 117 |     Jump(Box<Block>),
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Terminator` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `dst_section` is never read
[INFO] [stdout]   --> src/codegen/x64_elf.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct Relocation {
[INFO] [stdout]    |        ---------- field in this struct
[INFO] [stdout] 13 |     src_symbol: usize,
[INFO] [stdout] 14 |     dst_section: Section,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "8e8c7a4b53bf5ce07de395a597d148816665aa46ce7d7b350c310cf7863248d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e8c7a4b53bf5ce07de395a597d148816665aa46ce7d7b350c310cf7863248d8", kill_on_drop: false }`
[INFO] [stdout] 8e8c7a4b53bf5ce07de395a597d148816665aa46ce7d7b350c310cf7863248d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a637c30b8e57925b4a321fe98e46c2b423d98f3da8e8b0fdae44b5e77db711cb
[INFO] running `Command { std: "docker" "start" "-a" "a637c30b8e57925b4a321fe98e46c2b423d98f3da8e8b0fdae44b5e77db711cb", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/codegen/x64_elf.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type `Relocation` is more private than the item `CompilerX64Elf::relocations`
[INFO] [stderr]   --> src/codegen/x64_elf.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     pub(crate) relocations: Vec<Relocation>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ field `CompilerX64Elf::relocations` is reachable at visibility `pub(crate)`
[INFO] [stderr]    |
[INFO] [stderr] note: but type `Relocation` is only usable at visibility `pub(self)`
[INFO] [stderr]   --> src/codegen/x64_elf.rs:12:1
[INFO] [stderr]    |
[INFO] [stderr] 12 | struct Relocation {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    = note: `#[warn(private_interfaces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type `Symbol` is more private than the item `CompilerX64Elf::symbols`
[INFO] [stderr]   --> src/codegen/x64_elf.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     pub(crate) symbols: Vec<Symbol>
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ field `CompilerX64Elf::symbols` is reachable at visibility `pub(crate)`
[INFO] [stderr]    |
[INFO] [stderr] note: but type `Symbol` is only usable at visibility `pub(self)`
[INFO] [stderr]   --> src/codegen/x64_elf.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | struct Symbol {
[INFO] [stderr]    | ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `name` and `globals` are never read
[INFO] [stderr]   --> src/ir/mod.rs:8:5
[INFO] [stderr]    |
[INFO] [stderr]  7 | pub struct TranslationUnit {
[INFO] [stderr]    |            --------------- fields in this struct
[INFO] [stderr]  8 |     name: String,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]  9 |     pub(crate) functions: HashMap<String, Function>,
[INFO] [stderr] 10 |     pub(crate) globals: HashMap<String, Value>
[INFO] [stderr]    |                ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `from` is never used
[INFO] [stderr]   --> src/ir/mod.rs:55:8
[INFO] [stderr]    |
[INFO] [stderr] 47 | impl Block {
[INFO] [stderr]    | ---------- associated function in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 55 |     fn from(instructions: Vec<Instruction>, terminator: Terminator) -> Block {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant `Jump` is never constructed
[INFO] [stderr]    --> src/ir/mod.rs:117:5
[INFO] [stderr]     |
[INFO] [stderr] 116 | pub enum Terminator {
[INFO] [stderr]     |          ---------- variant in this enum
[INFO] [stderr] 117 |     Jump(Box<Block>),
[INFO] [stderr]     |     ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `Terminator` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: field `dst_section` is never read
[INFO] [stderr]   --> src/codegen/x64_elf.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | struct Relocation {
[INFO] [stderr]    |        ---------- field in this struct
[INFO] [stderr] 13 |     src_symbol: usize,
[INFO] [stderr] 14 |     dst_section: Section,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `chair` (bin "chair" test) generated 7 warnings (run `cargo fix --bin "chair" -p chair --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/chair-ac07cb5bcd20704f)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a637c30b8e57925b4a321fe98e46c2b423d98f3da8e8b0fdae44b5e77db711cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a637c30b8e57925b4a321fe98e46c2b423d98f3da8e8b0fdae44b5e77db711cb", kill_on_drop: false }`
[INFO] [stdout] a637c30b8e57925b4a321fe98e46c2b423d98f3da8e8b0fdae44b5e77db711cb
