[INFO] cloning repository https://github.com/GabrielDertoni/compiladores
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/GabrielDertoni/compiladores" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGabrielDertoni%2Fcompiladores", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGabrielDertoni%2Fcompiladores'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7ce880ba40773f294bc68b3f35e086050c442ed0
[INFO] checking GabrielDertoni/compiladores against try#0611f7de057c584b8771102fde7aed6c70c71d3b for pr-146440
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGabrielDertoni%2Fcompiladores" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/GabrielDertoni/compiladores
[INFO] finished tweaking git repo https://github.com/GabrielDertoni/compiladores
[INFO] tweaked toml for git repo https://github.com/GabrielDertoni/compiladores written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/GabrielDertoni/compiladores on toolchain 0611f7de057c584b8771102fde7aed6c70c71d3b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/GabrielDertoni/compiladores 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" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 677dcb66b18a207a70c8127e0745c450296a01118345dd7ac99f67bd1c9897f7
[INFO] running `Command { std: "docker" "start" "-a" "677dcb66b18a207a70c8127e0745c450296a01118345dd7ac99f67bd1c9897f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "677dcb66b18a207a70c8127e0745c450296a01118345dd7ac99f67bd1c9897f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "677dcb66b18a207a70c8127e0745c450296a01118345dd7ac99f67bd1c9897f7", kill_on_drop: false }`
[INFO] [stdout] 677dcb66b18a207a70c8127e0745c450296a01118345dd7ac99f67bd1c9897f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b50440644e6ff6e43c6f1a7fd1ed479c2c7da8b689df7c3ddd3d08355554bd00
[INFO] running `Command { std: "docker" "start" "-a" "b50440644e6ff6e43c6f1a7fd1ed479c2c7da8b689df7c3ddd3d08355554bd00", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling proc-macro2 v1.0.64
[INFO] [stderr]    Compiling unicode-ident v1.0.10
[INFO] [stderr]    Compiling quote v1.0.29
[INFO] [stderr]    Compiling beef v0.5.2
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]     Checking ast v0.1.0 (/opt/rustwide/workdir/ast)
[INFO] [stderr]     Checking type-check v0.1.0 (/opt/rustwide/workdir/type-check)
[INFO] [stdout] warning: unused import: `Instr::*`
[INFO] [stdout]     --> type-check/src/lib.rs:1004:9
[INFO] [stdout]      |
[INFO] [stdout] 1004 |     use Instr::*;
[INFO] [stdout]      |         ^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Instr::*`
[INFO] [stdout]     --> type-check/src/lib.rs:1004:9
[INFO] [stdout]      |
[INFO] [stdout] 1004 |     use Instr::*;
[INFO] [stdout]      |         ^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> type-check/src/lib.rs:1002:5
[INFO] [stdout]      |
[INFO] [stdout] 1002 |     mut w: W,
[INFO] [stdout]      |     ----^
[INFO] [stdout]      |     |
[INFO] [stdout]      |     help: remove this `mut`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `w`
[INFO] [stdout]     --> type-check/src/lib.rs:1002:5
[INFO] [stdout]      |
[INFO] [stdout] 1002 |     mut w: W,
[INFO] [stdout]      |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_w`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `instr`
[INFO] [stdout]     --> type-check/src/lib.rs:1006:9
[INFO] [stdout]      |
[INFO] [stdout] 1006 |     for instr in instrs {}
[INFO] [stdout]      |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_instr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `Codegen` is never constructed
[INFO] [stdout]    --> type-check/src/lib.rs:584:12
[INFO] [stdout]     |
[INFO] [stdout] 584 | pub struct Codegen {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]     = note: `#[deny(unused_unconstructable_pub_struct)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `frame` and `code` are never read
[INFO] [stdout]    --> type-check/src/lib.rs:527:5
[INFO] [stdout]     |
[INFO] [stdout] 526 | pub struct Function {
[INFO] [stdout]     |            -------- fields in this struct
[INFO] [stdout] 527 |     frame: Frame,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 528 |     code: Vec<Instr>,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Function` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `globals` is never read
[INFO] [stdout]    --> type-check/src/lib.rs:585:5
[INFO] [stdout]     |
[INFO] [stdout] 584 | pub struct Codegen {
[INFO] [stdout]     |            ------- field in this struct
[INFO] [stdout] 585 |     globals: HashMap<ast::Ident, usize>,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `type-check` (lib) due to 1 previous error; 6 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> type-check/src/lib.rs:1002:5
[INFO] [stdout]      |
[INFO] [stdout] 1002 |     mut w: W,
[INFO] [stdout]      |     ----^
[INFO] [stdout]      |     |
[INFO] [stdout]      |     help: remove this `mut`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `w`
[INFO] [stdout]     --> type-check/src/lib.rs:1002:5
[INFO] [stdout]      |
[INFO] [stdout] 1002 |     mut w: W,
[INFO] [stdout]      |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_w`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `instr`
[INFO] [stdout]     --> type-check/src/lib.rs:1006:9
[INFO] [stdout]      |
[INFO] [stdout] 1006 |     for instr in instrs {}
[INFO] [stdout]      |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_instr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `frame` is never read
[INFO] [stdout]    --> type-check/src/lib.rs:527:5
[INFO] [stdout]     |
[INFO] [stdout] 526 | pub struct Function {
[INFO] [stdout]     |            -------- field in this struct
[INFO] [stdout] 527 |     frame: Frame,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Function` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `globals` is never read
[INFO] [stdout]    --> type-check/src/lib.rs:585:5
[INFO] [stdout]     |
[INFO] [stdout] 584 | pub struct Codegen {
[INFO] [stdout]     |            ------- field in this struct
[INFO] [stdout] 585 |     globals: HashMap<ast::Ident, usize>,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b50440644e6ff6e43c6f1a7fd1ed479c2c7da8b689df7c3ddd3d08355554bd00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b50440644e6ff6e43c6f1a7fd1ed479c2c7da8b689df7c3ddd3d08355554bd00", kill_on_drop: false }`
[INFO] [stdout] b50440644e6ff6e43c6f1a7fd1ed479c2c7da8b689df7c3ddd3d08355554bd00
