[INFO] cloning repository https://github.com/YsielX/baby-compiler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/YsielX/baby-compiler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYsielX%2Fbaby-compiler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYsielX%2Fbaby-compiler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6651ea20435cc75ab5ba49f64ef1d2b75d902d8b
[INFO] checking YsielX/baby-compiler against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYsielX%2Fbaby-compiler" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/YsielX/baby-compiler
[INFO] finished tweaking git repo https://github.com/YsielX/baby-compiler
[INFO] tweaked toml for git repo https://github.com/YsielX/baby-compiler written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/YsielX/baby-compiler on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/YsielX/baby-compiler 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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unicode-ident v1.0.5
[INFO] [stderr]   Downloaded ascii-canvas v3.0.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.47
[INFO] [stderr]   Downloaded lalrpop-util v0.19.8
[INFO] [stderr]   Downloaded key-node-list v0.0.4
[INFO] [stderr]   Downloaded ena v0.14.0
[INFO] [stderr]   Downloaded syn v1.0.103
[INFO] [stderr]   Downloaded lalrpop v0.19.8
[INFO] [stderr]   Downloaded koopa v0.0.5
[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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 98e9d2c0418ae6d55ea20cca2e409fbec9e63449fdfb4423c7606823e858edf6
[INFO] running `Command { std: "docker" "start" "-a" "98e9d2c0418ae6d55ea20cca2e409fbec9e63449fdfb4423c7606823e858edf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "98e9d2c0418ae6d55ea20cca2e409fbec9e63449fdfb4423c7606823e858edf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98e9d2c0418ae6d55ea20cca2e409fbec9e63449fdfb4423c7606823e858edf6", kill_on_drop: false }`
[INFO] [stdout] 98e9d2c0418ae6d55ea20cca2e409fbec9e63449fdfb4423c7606823e858edf6
[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" "-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 58c65927f40eec3485b24fa12fbb780594e3d0b77e5f019115b79db07be48cb3
[INFO] running `Command { std: "docker" "start" "-a" "58c65927f40eec3485b24fa12fbb780594e3d0b77e5f019115b79db07be48cb3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling siphasher v0.3.10
[INFO] [stderr]    Compiling regex-syntax v0.6.28
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling either v1.8.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.4
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling once_cell v1.16.0
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling pico-args v0.4.2
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]    Compiling diff v0.1.13
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]     Checking aho-corasick v0.7.19
[INFO] [stderr]    Compiling bit-set v0.5.3
[INFO] [stderr]     Checking key-node-list v0.0.4
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling ena v0.14.0
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling petgraph v0.6.2
[INFO] [stderr]    Compiling term v0.7.0
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling ascii-canvas v3.0.0
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]    Compiling string_cache v0.8.4
[INFO] [stderr]     Checking koopa v0.0.5
[INFO] [stderr]    Compiling regex v1.7.0
[INFO] [stderr]    Compiling lalrpop-util v0.19.8
[INFO] [stderr]    Compiling lalrpop v0.19.8
[INFO] [stderr]    Compiling compile-proj v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `lval`
[INFO] [stdout]    --> src/irgen.rs:114:26
[INFO] [stdout]     |
[INFO] [stdout] 114 |             Self::Assign(lval, exp) => unimplemented!(),
[INFO] [stdout]     |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_lval`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `exp`
[INFO] [stdout]    --> src/irgen.rs:114:32
[INFO] [stdout]     |
[INFO] [stdout] 114 |             Self::Assign(lval, exp) => unimplemented!(),
[INFO] [stdout]     |                                ^^^ help: if this is intentional, prefix it with an underscore: `_exp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `exp`
[INFO] [stdout]    --> src/irgen.rs:115:26
[INFO] [stdout]     |
[INFO] [stdout] 115 |             Self::Return(exp) => unimplemented!(),
[INFO] [stdout]     |                          ^^^ help: if this is intentional, prefix it with an underscore: `_exp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/ast.rs:9:11
[INFO] [stdout]   |
[INFO] [stdout] 9 |     VDecl(VarDecl),
[INFO] [stdout]   |     ----- ^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Decl` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[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] 9 -     VDecl(VarDecl),
[INFO] [stdout] 9 +     VDecl(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `vardefs` is never read
[INFO] [stdout]   --> src/ast.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub struct VarDecl {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 35 |     pub vardefs: Vec<VarDef>,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `VarDecl` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `ident` and `initval` are never read
[INFO] [stdout]   --> src/ast.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub struct VarDef {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 40 |     pub ident: String,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 41 |     pub initval: Option<InitVal>,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `VarDef` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `exp` is never read
[INFO] [stdout]   --> src/ast.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub struct InitVal {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 46 |     pub exp: Exp,
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `InitVal` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lval`
[INFO] [stdout]    --> src/irgen.rs:114:26
[INFO] [stdout]     |
[INFO] [stdout] 114 |             Self::Assign(lval, exp) => unimplemented!(),
[INFO] [stdout]     |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_lval`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `exp`
[INFO] [stdout]    --> src/irgen.rs:114:32
[INFO] [stdout]     |
[INFO] [stdout] 114 |             Self::Assign(lval, exp) => unimplemented!(),
[INFO] [stdout]     |                                ^^^ help: if this is intentional, prefix it with an underscore: `_exp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `exp`
[INFO] [stdout]    --> src/irgen.rs:115:26
[INFO] [stdout]     |
[INFO] [stdout] 115 |             Self::Return(exp) => unimplemented!(),
[INFO] [stdout]     |                          ^^^ help: if this is intentional, prefix it with an underscore: `_exp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/ast.rs:9:11
[INFO] [stdout]   |
[INFO] [stdout] 9 |     VDecl(VarDecl),
[INFO] [stdout]   |     ----- ^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Decl` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[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] 9 -     VDecl(VarDecl),
[INFO] [stdout] 9 +     VDecl(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `vardefs` is never read
[INFO] [stdout]   --> src/ast.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub struct VarDecl {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 35 |     pub vardefs: Vec<VarDef>,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `VarDecl` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `ident` and `initval` are never read
[INFO] [stdout]   --> src/ast.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub struct VarDef {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 40 |     pub ident: String,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 41 |     pub initval: Option<InitVal>,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `VarDef` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `exp` is never read
[INFO] [stdout]   --> src/ast.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub struct InitVal {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 46 |     pub exp: Exp,
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `InitVal` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.65s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: lalrpop v0.19.8
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 6`
[INFO] running `Command { std: "docker" "inspect" "58c65927f40eec3485b24fa12fbb780594e3d0b77e5f019115b79db07be48cb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58c65927f40eec3485b24fa12fbb780594e3d0b77e5f019115b79db07be48cb3", kill_on_drop: false }`
[INFO] [stdout] 58c65927f40eec3485b24fa12fbb780594e3d0b77e5f019115b79db07be48cb3
