[INFO] cloning repository https://github.com/kgtkr/tocc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kgtkr/tocc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkgtkr%2Ftocc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkgtkr%2Ftocc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6015262fdebea27e8f8cd365f287d4f26ac94eb9
[INFO] testing kgtkr/tocc against beta-2024-12-08 for beta-1.84.0-4-retry
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkgtkr%2Ftocc" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kgtkr/tocc on toolchain beta-2024-12-08
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-12-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/kgtkr/tocc
[INFO] finished tweaking git repo https://github.com/kgtkr/tocc
[INFO] tweaked toml for git repo https://github.com/kgtkr/tocc written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/kgtkr/tocc 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" "+beta-2024-12-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-12-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8541fa0c2f95d701c4842ae4b16784b18f29911cb9be8c53a0ab1d0f4738077d
[INFO] running `Command { std: "docker" "start" "-a" "8541fa0c2f95d701c4842ae4b16784b18f29911cb9be8c53a0ab1d0f4738077d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8541fa0c2f95d701c4842ae4b16784b18f29911cb9be8c53a0ab1d0f4738077d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8541fa0c2f95d701c4842ae4b16784b18f29911cb9be8c53a0ab1d0f4738077d", kill_on_drop: false }`
[INFO] [stdout] 8541fa0c2f95d701c4842ae4b16784b18f29911cb9be8c53a0ab1d0f4738077d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-12-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 11a7714c31f8bfe792599a747dd79d22d70e84b68fc89d0c2e52bc5d17b5153c
[INFO] running `Command { std: "docker" "start" "-a" "11a7714c31f8bfe792599a747dd79d22d70e84b68fc89d0c2e52bc5d17b5153c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.46
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling syn v1.0.101
[INFO] [stderr]    Compiling libc v0.2.134
[INFO] [stderr]    Compiling os_str_bytes v6.3.0
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling thiserror v1.0.37
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling once_cell v1.15.0
[INFO] [stderr]    Compiling termcolor v1.1.3
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling clap_lex v0.3.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap_derive v4.0.9
[INFO] [stderr]    Compiling thiserror-impl v1.0.37
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]    Compiling clap v4.0.9
[INFO] [stderr]    Compiling tocc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `println`
[INFO] [stdout]  --> src/dom.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     println,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r_inner_typ`
[INFO] [stdout]    --> src/tac_generator.rs:392:80
[INFO] [stdout]     |
[INFO] [stdout] 392 |             (Type::Ptr(TypePtr { typ: l_inner_typ }), Type::Ptr(TypePtr { typ: r_inner_typ })) => {
[INFO] [stdout]     |                                                                                ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_r_inner_typ`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cond`
[INFO] [stdout]    --> src/static_analysis.rs:130:13
[INFO] [stdout]     |
[INFO] [stdout] 130 |         let cond = self.expr(&x.cond)?;
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_cond`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `l`
[INFO] [stdout]    --> src/static_analysis.rs:233:24
[INFO] [stdout]     |
[INFO] [stdout] 233 |             (Type::Ptr(l), Type::Ptr(r)) => Type::Int(TypeInt {
[INFO] [stdout]     |                        ^ help: if this is intentional, prefix it with an underscore: `_l`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]    --> src/static_analysis.rs:233:38
[INFO] [stdout]     |
[INFO] [stdout] 233 |             (Type::Ptr(l), Type::Ptr(r)) => Type::Int(TypeInt {
[INFO] [stdout]     |                                      ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `edges`
[INFO] [stdout]   --> src/dom.rs:36:17
[INFO] [stdout]    |
[INFO] [stdout] 36 |         for (a, edges) in cfg.iter().filter(|(&a, _)| a != entry) {
[INFO] [stdout]    |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_edges`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/generator.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout] 6  | enum Register {
[INFO] [stdout]    |      -------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 9  |     Rcx,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 10 |     Rdx,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 11 |     Rsi,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 12 |     Rdi,
[INFO] [stdout] 13 |     Rbp,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 14 |     Rsp,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 15 |     R8,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 16 |     R9,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Register` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Graph` is never used
[INFO] [stdout]  --> src/dom.rs:6:6
[INFO] [stdout]   |
[INFO] [stdout] 6 | type Graph = HashMap<usize, HashSet<usize>>;
[INFO] [stdout]   |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `dom` is never used
[INFO] [stdout]  --> src/dom.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn dom(entry: usize, cfg: &Graph) -> HashMap<usize, HashSet<usize>> {
[INFO] [stdout]   |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sdom` is never used
[INFO] [stdout]   --> src/dom.rs:59:4
[INFO] [stdout]    |
[INFO] [stdout] 59 | fn sdom(entry: usize, cfg: &Graph) -> HashMap<usize, HashSet<usize>> {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `idom` is never used
[INFO] [stdout]   --> src/dom.rs:76:4
[INFO] [stdout]    |
[INFO] [stdout] 76 | fn idom(sdoms: HashMap<usize, HashSet<usize>>) -> HashMap<usize, Option<usize>> {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `dom_front` is never used
[INFO] [stdout]    --> src/dom.rs:105:4
[INFO] [stdout]     |
[INFO] [stdout] 105 | fn dom_front(entry: usize, cfg: &Graph) -> HashMap<usize, HashSet<usize>> {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.85s
[INFO] running `Command { std: "docker" "inspect" "11a7714c31f8bfe792599a747dd79d22d70e84b68fc89d0c2e52bc5d17b5153c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11a7714c31f8bfe792599a747dd79d22d70e84b68fc89d0c2e52bc5d17b5153c", kill_on_drop: false }`
[INFO] [stdout] 11a7714c31f8bfe792599a747dd79d22d70e84b68fc89d0c2e52bc5d17b5153c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-12-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d63c099ac23441372816a8a8a6bdb66145a35a1d230dbb7a14cd04566e0f96d6
[INFO] running `Command { std: "docker" "start" "-a" "d63c099ac23441372816a8a8a6bdb66145a35a1d230dbb7a14cd04566e0f96d6", kill_on_drop: false }`
[INFO] [stderr]    Compiling tocc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `println`
[INFO] [stdout]  --> src/dom.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     println,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r_inner_typ`
[INFO] [stdout]    --> src/tac_generator.rs:392:80
[INFO] [stdout]     |
[INFO] [stdout] 392 |             (Type::Ptr(TypePtr { typ: l_inner_typ }), Type::Ptr(TypePtr { typ: r_inner_typ })) => {
[INFO] [stdout]     |                                                                                ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_r_inner_typ`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cond`
[INFO] [stdout]    --> src/static_analysis.rs:130:13
[INFO] [stdout]     |
[INFO] [stdout] 130 |         let cond = self.expr(&x.cond)?;
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_cond`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `l`
[INFO] [stdout]    --> src/static_analysis.rs:233:24
[INFO] [stdout]     |
[INFO] [stdout] 233 |             (Type::Ptr(l), Type::Ptr(r)) => Type::Int(TypeInt {
[INFO] [stdout]     |                        ^ help: if this is intentional, prefix it with an underscore: `_l`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]    --> src/static_analysis.rs:233:38
[INFO] [stdout]     |
[INFO] [stdout] 233 |             (Type::Ptr(l), Type::Ptr(r)) => Type::Int(TypeInt {
[INFO] [stdout]     |                                      ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `edges`
[INFO] [stdout]   --> src/dom.rs:36:17
[INFO] [stdout]    |
[INFO] [stdout] 36 |         for (a, edges) in cfg.iter().filter(|(&a, _)| a != entry) {
[INFO] [stdout]    |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_edges`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/generator.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout] 6  | enum Register {
[INFO] [stdout]    |      -------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 9  |     Rcx,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 10 |     Rdx,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 11 |     Rsi,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 12 |     Rdi,
[INFO] [stdout] 13 |     Rbp,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 14 |     Rsp,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 15 |     R8,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 16 |     R9,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Register` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Graph` is never used
[INFO] [stdout]  --> src/dom.rs:6:6
[INFO] [stdout]   |
[INFO] [stdout] 6 | type Graph = HashMap<usize, HashSet<usize>>;
[INFO] [stdout]   |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `dom` is never used
[INFO] [stdout]  --> src/dom.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn dom(entry: usize, cfg: &Graph) -> HashMap<usize, HashSet<usize>> {
[INFO] [stdout]   |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sdom` is never used
[INFO] [stdout]   --> src/dom.rs:59:4
[INFO] [stdout]    |
[INFO] [stdout] 59 | fn sdom(entry: usize, cfg: &Graph) -> HashMap<usize, HashSet<usize>> {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `idom` is never used
[INFO] [stdout]   --> src/dom.rs:76:4
[INFO] [stdout]    |
[INFO] [stdout] 76 | fn idom(sdoms: HashMap<usize, HashSet<usize>>) -> HashMap<usize, Option<usize>> {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `dom_front` is never used
[INFO] [stdout]    --> src/dom.rs:105:4
[INFO] [stdout]     |
[INFO] [stdout] 105 | fn dom_front(entry: usize, cfg: &Graph) -> HashMap<usize, HashSet<usize>> {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `println`
[INFO] [stdout]  --> src/dom.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     println,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r_inner_typ`
[INFO] [stdout]    --> src/tac_generator.rs:392:80
[INFO] [stdout]     |
[INFO] [stdout] 392 |             (Type::Ptr(TypePtr { typ: l_inner_typ }), Type::Ptr(TypePtr { typ: r_inner_typ })) => {
[INFO] [stdout]     |                                                                                ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_r_inner_typ`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cond`
[INFO] [stdout]    --> src/static_analysis.rs:130:13
[INFO] [stdout]     |
[INFO] [stdout] 130 |         let cond = self.expr(&x.cond)?;
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_cond`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `l`
[INFO] [stdout]    --> src/static_analysis.rs:233:24
[INFO] [stdout]     |
[INFO] [stdout] 233 |             (Type::Ptr(l), Type::Ptr(r)) => Type::Int(TypeInt {
[INFO] [stdout]     |                        ^ help: if this is intentional, prefix it with an underscore: `_l`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]    --> src/static_analysis.rs:233:38
[INFO] [stdout]     |
[INFO] [stdout] 233 |             (Type::Ptr(l), Type::Ptr(r)) => Type::Int(TypeInt {
[INFO] [stdout]     |                                      ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `edges`
[INFO] [stdout]   --> src/dom.rs:36:17
[INFO] [stdout]    |
[INFO] [stdout] 36 |         for (a, edges) in cfg.iter().filter(|(&a, _)| a != entry) {
[INFO] [stdout]    |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_edges`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/generator.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout] 6  | enum Register {
[INFO] [stdout]    |      -------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 9  |     Rcx,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 10 |     Rdx,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 11 |     Rsi,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 12 |     Rdi,
[INFO] [stdout] 13 |     Rbp,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 14 |     Rsp,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 15 |     R8,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 16 |     R9,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Register` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.68s
[INFO] running `Command { std: "docker" "inspect" "d63c099ac23441372816a8a8a6bdb66145a35a1d230dbb7a14cd04566e0f96d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d63c099ac23441372816a8a8a6bdb66145a35a1d230dbb7a14cd04566e0f96d6", kill_on_drop: false }`
[INFO] [stdout] d63c099ac23441372816a8a8a6bdb66145a35a1d230dbb7a14cd04566e0f96d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-12-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8f51c3c31724f355a6b59681ee5479de5696e64bd3567a5731d23628b95a40b4
[INFO] running `Command { std: "docker" "start" "-a" "8f51c3c31724f355a6b59681ee5479de5696e64bd3567a5731d23628b95a40b4", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `println`
[INFO] [stdout] 
[INFO] [stderr]  --> src/dom.rs:3:5
[INFO] [stdout] running 1 test
[INFO] [stderr]   |
[INFO] [stderr] 3 |     println,
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `r_inner_typ`
[INFO] [stderr]    --> src/tac_generator.rs:392:80
[INFO] [stderr]     |
[INFO] [stderr] 392 |             (Type::Ptr(TypePtr { typ: l_inner_typ }), Type::Ptr(TypePtr { typ: r_inner_typ })) => {
[INFO] [stderr]     |                                                                                ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_r_inner_typ`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cond`
[INFO] [stderr]    --> src/static_analysis.rs:130:13
[INFO] [stderr]     |
[INFO] [stderr] 130 |         let cond = self.expr(&x.cond)?;
[INFO] [stderr]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_cond`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `l`
[INFO] [stderr]    --> src/static_analysis.rs:233:24
[INFO] [stderr]     |
[INFO] [stderr] 233 |             (Type::Ptr(l), Type::Ptr(r)) => Type::Int(TypeInt {
[INFO] [stderr]     |                        ^ help: if this is intentional, prefix it with an underscore: `_l`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `r`
[INFO] [stderr]    --> src/static_analysis.rs:233:38
[INFO] [stderr]     |
[INFO] [stderr] 233 |             (Type::Ptr(l), Type::Ptr(r)) => Type::Int(TypeInt {
[INFO] [stderr]     |                                      ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `edges`
[INFO] [stderr]   --> src/dom.rs:36:17
[INFO] [stderr]    |
[INFO] [stderr] 36 |         for (a, edges) in cfg.iter().filter(|(&a, _)| a != entry) {
[INFO] [stderr]    |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_edges`
[INFO] [stderr] 
[INFO] [stderr] warning: multiple variants are never constructed
[INFO] [stderr]   --> src/generator.rs:9:5
[INFO] [stderr]    |
[INFO] [stderr] 6  | enum Register {
[INFO] [stderr]    |      -------- variants in this enum
[INFO] [stderr] ...
[INFO] [stderr] 9  |     Rcx,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 10 |     Rdx,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 11 |     Rsi,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 12 |     Rdi,
[INFO] [stderr] 13 |     Rbp,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 14 |     Rsp,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 15 |     R8,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 16 |     R9,
[INFO] [stderr]    |     ^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Register` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias `Graph` is never used
[INFO] [stderr]  --> src/dom.rs:6:6
[INFO] [stderr]   |
[INFO] [stderr] 6 | type Graph = HashMap<usize, HashSet<usize>>;
[INFO] [stderr]   |      ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `dom` is never used
[INFO] [stderr]  --> src/dom.rs:8:4
[INFO] [stderr]   |
[INFO] [stderr] 8 | fn dom(entry: usize, cfg: &Graph) -> HashMap<usize, HashSet<usize>> {
[INFO] [stderr]   |    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `sdom` is never used
[INFO] [stderr]   --> src/dom.rs:59:4
[INFO] [stderr]    |
[INFO] [stderr] 59 | fn sdom(entry: usize, cfg: &Graph) -> HashMap<usize, HashSet<usize>> {
[INFO] [stderr]    |    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `idom` is never used
[INFO] [stderr]   --> src/dom.rs:76:4
[INFO] [stderr]    |
[INFO] [stderr] 76 | fn idom(sdoms: HashMap<usize, HashSet<usize>>) -> HashMap<usize, Option<usize>> {
[INFO] [stderr]    |    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `dom_front` is never used
[INFO] [stderr]    --> src/dom.rs:105:4
[INFO] [stderr]     |
[INFO] [stderr] 105 | fn dom_front(entry: usize, cfg: &Graph) -> HashMap<usize, HashSet<usize>> {
[INFO] [stderr]     |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `tocc` (lib) generated 12 warnings (run `cargo fix --lib -p tocc` to apply 1 suggestion)
[INFO] [stderr] warning: `tocc` (lib test) generated 7 warnings (7 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tocc-a2685196c0452dd7)
[INFO] [stdout] test dom::test_dom ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- dom::test_dom stdout ----
[INFO] [stdout] thread 'dom::test_dom' panicked at src/dom.rs:143:5:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: {2: {4, 6, 3}, 1: {2, 5, 4, 3, 6}, 3: {6}, 4: {6}, 5: {6}, 6: {}}
[INFO] [stdout]  right: {5: {}, 2: {6}, 6: {}, 4: {6}, 1: {}, 3: {6}}
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x6397f4aed55a - std::backtrace_rs::backtrace::libunwind::trace::h8810477743020387
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stdout]    1:     0x6397f4aed55a - std::backtrace_rs::backtrace::trace_unsynchronized::h3aa55355dd6c54a6
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x6397f4aed55a - std::sys::backtrace::_print_fmt::h8588b0f62410823f
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x6397f4aed55a - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h98c26ac25ffe89bb
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x6397f4b13323 - core::fmt::rt::Argument::fmt::hf95377f4aebd453b
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/fmt/rt.rs:177:76
[INFO] [stdout]    5:     0x6397f4b13323 - core::fmt::write::h0dd5f6e2238c7982
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/fmt/mod.rs:1189:21
[INFO] [stdout]    6:     0x6397f4aea6f3 - std::io::Write::write_fmt::h03bb0ca26e6faf8c
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/io/mod.rs:1884:15
[INFO] [stdout]    7:     0x6397f4aed3a2 - std::sys::backtrace::BacktraceLock::print::h5c19c1c038ee186d
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    8:     0x6397f4aee9dd - std::panicking::default_hook::{{closure}}::h77172f079a1fcb13
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:268:22
[INFO] [stdout]    9:     0x6397f4aee7e7 - std::panicking::default_hook::he5f8e3b203ccddba
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:292:9
[INFO] [stdout]   10:     0x6397f4ab8117 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h7a3c7b4a1ae77f2f
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1986:9
[INFO] [stdout]   11:     0x6397f4ab8117 - test::test_main::{{closure}}::hf0d3b69ae9b353d1
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:134:21
[INFO] [stdout]   12:     0x6397f4aef088 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h6332e82e7b189abd
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1986:9
[INFO] [stdout]   13:     0x6397f4aef088 - std::panicking::rust_panic_with_hook::h53863d4e9018df39
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:809:13
[INFO] [stdout]   14:     0x6397f4aeee4a - std::panicking::begin_panic_handler::{{closure}}::h67280e6fa0757873
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:674:13
[INFO] [stdout]   15:     0x6397f4aeda39 - std::sys::backtrace::__rust_end_short_backtrace::h1dac3f54d6fbbeb2
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:170:18
[INFO] [stdout]   16:     0x6397f4aeeadc - rust_begin_unwind
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:665:5
[INFO] [stdout]   17:     0x6397f4a5caa0 - core::panicking::panic_fmt::h6792bd1b2bf01041
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/panicking.rs:76:14
[INFO] [stdout]   18:     0x6397f4a5cdcb - core::panicking::assert_failed_inner::hf2c17e6d30928787
[INFO] [stdout]   19:     0x6397f4a792cc - core::panicking::assert_failed::h4609290744f75624
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/panicking.rs:373:5
[INFO] [stdout]   20:     0x6397f4a769bd - tocc::dom::test_dom::h6bd1a80d247f747e
[INFO] [stdout]                                at /opt/rustwide/workdir/src/dom.rs:143:5
[INFO] [stdout]   21:     0x6397f4a75f57 - tocc::dom::test_dom::{{closure}}::h6780eceb4b6261ef
[INFO] [stdout]                                at /opt/rustwide/workdir/src/dom.rs:132:14
[INFO] [stdout]   22:     0x6397f4a70d36 - core::ops::function::FnOnce::call_once::h0c1d8cc203b6637b
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x6397f4abcc3b - core::ops::function::FnOnce::call_once::h871bf86719ec9aa4
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x6397f4abcc3b - test::__rust_begin_short_backtrace::h2167df1e2b7d76fd
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:632:18
[INFO] [stdout]   25:     0x6397f4abc628 - test::run_test_in_process::{{closure}}::h15d92f75a3adfb79
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:655:60
[INFO] [stdout]   26:     0x6397f4abc628 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hb6c8955835a8dbbb
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   27:     0x6397f4abc628 - std::panicking::try::do_call::hc79d0fc888a0bd30
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:557:40
[INFO] [stdout]   28:     0x6397f4abc628 - std::panicking::try::hb8a7878e3a8589d6
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:520:19
[INFO] [stdout]   29:     0x6397f4abc628 - std::panic::catch_unwind::hb8e4600ff0ff5cfa
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panic.rs:358:14
[INFO] [stdout]   30:     0x6397f4abc628 - test::run_test_in_process::hc2900b0b18688dd6
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:655:27
[INFO] [stdout]   31:     0x6397f4abc628 - test::run_test::{{closure}}::hac2a9cb07be3d48d
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:576:43
[INFO] [stdout]   32:     0x6397f4a800ca - test::run_test::{{closure}}::h4a5b729e66a38cd8
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:606:41
[INFO] [stdout]   33:     0x6397f4a800ca - std::sys::backtrace::__rust_begin_short_backtrace::h0496fb742492f573
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:154:18
[INFO] [stdout]   34:     0x6397f4a83a44 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hbb6d257c550a54bd
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/thread/mod.rs:561:17
[INFO] [stdout]   35:     0x6397f4a83a44 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h46696fe4a6832328
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   36:     0x6397f4a83a44 - std::panicking::try::do_call::h2625a51b667bfb64
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:557:40
[INFO] [stdout]   37:     0x6397f4a83a44 - std::panicking::try::hb956a59a1973aa4c
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:520:19
[INFO] [stdout]   38:     0x6397f4a83a44 - std::panic::catch_unwind::h64f3b9d1067ef6a0
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panic.rs:358:14
[INFO] [stdout]   39:     0x6397f4a83a44 - std::thread::Builder::spawn_unchecked_::{{closure}}::h42b2841295b6c0b2
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/thread/mod.rs:559:30
[INFO] [stdout]   40:     0x6397f4a83a44 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h6127de71b8124639
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x6397f4af2fcb - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h42f0ba71002a1b2c
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1972:9
[INFO] [stdout]   42:     0x6397f4af2fcb - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::had9e47d7a3dcecb8
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1972:9
[INFO] [stdout]   43:     0x6397f4af2fcb - std::sys::pal::unix::thread::Thread::new::thread_start::h48cf765408f6f5f2
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/pal/unix/thread.rs:105:17
[INFO] [stdout]   44:     0x7558157ffac3 - <unknown>
[INFO] [stdout]   45:     0x755815890a04 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     dom::test_dom
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "8f51c3c31724f355a6b59681ee5479de5696e64bd3567a5731d23628b95a40b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f51c3c31724f355a6b59681ee5479de5696e64bd3567a5731d23628b95a40b4", kill_on_drop: false }`
[INFO] [stdout] 8f51c3c31724f355a6b59681ee5479de5696e64bd3567a5731d23628b95a40b4
