Dec 13 17:49:01.913 INFO testing hansihe/beam_code against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 13 17:49:01.913 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-7/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +bd47d6825bf4090517549d33cfef10d3300b4a75-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 13 17:49:02.100 INFO [stdout] 74c3057de215a189c3c6cbe7fcc7778ce1f540c4a5532bdfd72301bd3bf2e4dc
Dec 13 17:49:02.100 INFO running `"docker" "start" "-a" "74c3057de215a189c3c6cbe7fcc7778ce1f540c4a5532bdfd72301bd3bf2e4dc"`
Dec 13 17:49:02.675 INFO [stderr] usermod: no changes
Dec 13 17:49:02.863 INFO [stderr]    Compiling rand v0.3.15
Dec 13 17:49:02.863 INFO [stderr]    Compiling memchr v1.0.1
Dec 13 17:49:02.863 INFO [stderr]    Compiling libflate v0.1.9
Dec 13 17:49:02.863 INFO [stderr]    Compiling string-intern v0.1.6
Dec 13 17:49:04.301 INFO [stderr]    Compiling aho-corasick v0.6.3
Dec 13 17:49:05.769 INFO [stderr]    Compiling num-bigint v0.1.39
Dec 13 17:49:06.267 INFO [stderr]    Compiling regex v0.2.2
Dec 13 17:49:08.009 INFO [stderr]    Compiling beam_file v0.2.2
Dec 13 17:49:08.829 INFO [stderr]    Compiling num-rational v0.1.38
Dec 13 17:49:10.335 INFO [stderr]    Compiling num v0.1.39
Dec 13 17:49:10.883 INFO [stderr]    Compiling eetf v0.3.6
Dec 13 17:49:13.973 INFO [stderr]    Compiling beam_code v0.1.0 (/source)
Dec 13 17:49:15.079 INFO [stderr] warning: unused import: `::std::rc::Rc`
Dec 13 17:49:15.079 INFO [stderr]  --> src/op.rs:6:5
Dec 13 17:49:15.079 INFO [stderr]   |
Dec 13 17:49:15.079 INFO [stderr] 6 | use ::std::rc::Rc;
Dec 13 17:49:15.079 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 13 17:49:15.079 INFO [stderr]   |
Dec 13 17:49:15.079 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 13 17:49:15.079 INFO [stderr] 
Dec 13 17:49:15.079 INFO [stderr] warning: unused import: `Literal`
Dec 13 17:49:15.079 INFO [stderr]  --> src/ssa/mod.rs:5:52
Dec 13 17:49:15.079 INFO [stderr]   |
Dec 13 17:49:15.079 INFO [stderr] 5 | use ::op::{ Op, LabelId, Register, OpKind, Source, Literal };
Dec 13 17:49:15.079 INFO [stderr]   |                                                    ^^^^^^^
Dec 13 17:49:15.079 INFO [stderr] 
Dec 13 17:49:15.079 INFO [stderr] warning: unused import: `::std::hash::Hash`
Dec 13 17:49:15.079 INFO [stderr]  --> src/ssa/representation.rs:5:5
Dec 13 17:49:15.079 INFO [stderr]   |
Dec 13 17:49:15.079 INFO [stderr] 5 | use ::std::hash::Hash;
Dec 13 17:49:15.079 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 13 17:49:15.079 INFO [stderr] 
Dec 13 17:49:15.079 INFO [stderr] warning: unused import: `::std::fmt::Debug`
Dec 13 17:49:15.079 INFO [stderr]  --> src/graph/dfs.rs:2:5
Dec 13 17:49:15.079 INFO [stderr]   |
Dec 13 17:49:15.079 INFO [stderr] 2 | use ::std::fmt::Debug;
Dec 13 17:49:15.079 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 13 17:49:15.079 INFO [stderr] 
Dec 13 17:49:15.079 INFO [stderr] warning: unused import: `GraphAccessor`
Dec 13 17:49:15.079 INFO [stderr]  --> src/graph/dfs.rs:5:14
Dec 13 17:49:15.079 INFO [stderr]   |
Dec 13 17:49:15.079 INFO [stderr] 5 | use super::{ GraphAccessor, GraphDfs };
Dec 13 17:49:15.079 INFO [stderr]   |              ^^^^^^^^^^^^^
Dec 13 17:49:15.079 INFO [stderr] 
Dec 13 17:49:15.645 INFO [stderr] warning: unused variable: `atom_num`
Dec 13 17:49:15.645 INFO [stderr]    --> src/beam_module.rs:218:9
Dec 13 17:49:15.645 INFO [stderr]     |
Dec 13 17:49:15.645 INFO [stderr] 218 |     for atom_num in 0..len {
Dec 13 17:49:15.645 INFO [stderr]     |         ^^^^^^^^ help: consider using `_atom_num` instead
Dec 13 17:49:15.645 INFO [stderr]     |
Dec 13 17:49:15.645 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 13 17:49:15.645 INFO [stderr] 
Dec 13 17:49:15.999 INFO [stderr] warning: method is never used: `x_reg`
Dec 13 17:49:15.999 INFO [stderr]    --> src/op.rs:687:5
Dec 13 17:49:15.999 INFO [stderr]     |
Dec 13 17:49:15.999 INFO [stderr] 687 |     fn x_reg(num: u32) -> Source {
Dec 13 17:49:15.999 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 17:49:15.999 INFO [stderr]     |
Dec 13 17:49:15.999 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 13 17:49:15.999 INFO [stderr] 
Dec 13 17:49:15.999 INFO [stderr] warning: type alias is never used: `GraphAccessor`
Dec 13 17:49:15.999 INFO [stderr]   --> src/graph/mod.rs:14:1
Dec 13 17:49:15.999 INFO [stderr]    |
Dec 13 17:49:15.999 INFO [stderr] 14 | pub type GraphAccessor<NodeId> = Fn(NodeId, usize) -> Option<NodeId>;
Dec 13 17:49:15.999 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 17:49:15.999 INFO [stderr] 
Dec 13 17:49:24.103 INFO [stderr] warning: unused import: `::std::rc::Rc`
Dec 13 17:49:24.103 INFO [stderr]  --> src/op.rs:6:5
Dec 13 17:49:24.103 INFO [stderr]   |
Dec 13 17:49:24.103 INFO [stderr] 6 | use ::std::rc::Rc;
Dec 13 17:49:24.103 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 13 17:49:24.103 INFO [stderr]   |
Dec 13 17:49:24.103 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 13 17:49:24.103 INFO [stderr] 
Dec 13 17:49:24.109 INFO [stderr] warning: unused import: `Literal`
Dec 13 17:49:24.109 INFO [stderr]  --> src/ssa/mod.rs:5:52
Dec 13 17:49:24.109 INFO [stderr]   |
Dec 13 17:49:24.109 INFO [stderr] 5 | use ::op::{ Op, LabelId, Register, OpKind, Source, Literal };
Dec 13 17:49:24.109 INFO [stderr]   |                                                    ^^^^^^^
Dec 13 17:49:24.109 INFO [stderr] 
Dec 13 17:49:24.109 INFO [stderr] warning: unused import: `::std::hash::Hash`
Dec 13 17:49:24.109 INFO [stderr]  --> src/ssa/representation.rs:5:5
Dec 13 17:49:24.109 INFO [stderr]   |
Dec 13 17:49:24.109 INFO [stderr] 5 | use ::std::hash::Hash;
Dec 13 17:49:24.109 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 13 17:49:24.109 INFO [stderr] 
Dec 13 17:49:24.109 INFO [stderr] warning: unused import: `::std::fmt::Debug`
Dec 13 17:49:24.109 INFO [stderr]  --> src/graph/dfs.rs:2:5
Dec 13 17:49:24.109 INFO [stderr]   |
Dec 13 17:49:24.109 INFO [stderr] 2 | use ::std::fmt::Debug;
Dec 13 17:49:24.109 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 13 17:49:24.109 INFO [stderr] 
Dec 13 17:49:24.114 INFO [stderr] warning: unused import: `GraphAccessor`
Dec 13 17:49:24.114 INFO [stderr]  --> src/graph/dfs.rs:5:14
Dec 13 17:49:24.114 INFO [stderr]   |
Dec 13 17:49:24.114 INFO [stderr] 5 | use super::{ GraphAccessor, GraphDfs };
Dec 13 17:49:24.114 INFO [stderr]   |              ^^^^^^^^^^^^^
Dec 13 17:49:24.114 INFO [stderr] 
Dec 13 17:49:24.842 INFO [stderr] warning: unused variable: `atom_num`
Dec 13 17:49:24.843 INFO [stderr]    --> src/beam_module.rs:218:9
Dec 13 17:49:24.843 INFO [stderr]     |
Dec 13 17:49:24.843 INFO [stderr] 218 |     for atom_num in 0..len {
Dec 13 17:49:24.843 INFO [stderr]     |         ^^^^^^^^ help: consider using `_atom_num` instead
Dec 13 17:49:24.843 INFO [stderr]     |
Dec 13 17:49:24.843 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 13 17:49:24.843 INFO [stderr] 
Dec 13 17:49:25.211 INFO [stderr] warning: method is never used: `with_reads_labels`
Dec 13 17:49:25.211 INFO [stderr]   --> src/op.rs:32:5
Dec 13 17:49:25.211 INFO [stderr]    |
Dec 13 17:49:25.211 INFO [stderr] 32 |     pub fn with_reads_labels(kind: OpKind, reads: Vec<Source>, labels: Vec<LabelId>) -> Self {
Dec 13 17:49:25.211 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 17:49:25.211 INFO [stderr]    |
Dec 13 17:49:25.211 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 13 17:49:25.211 INFO [stderr] 
Dec 13 17:49:25.211 INFO [stderr] warning: variant is never constructed: `CaseEnd`
Dec 13 17:49:25.211 INFO [stderr]    --> src/op.rs:156:5
Dec 13 17:49:25.211 INFO [stderr]     |
Dec 13 17:49:25.211 INFO [stderr] 156 |     CaseEnd,
Dec 13 17:49:25.211 INFO [stderr]     |     ^^^^^^^
Dec 13 17:49:25.211 INFO [stderr] 
Dec 13 17:49:25.211 INFO [stderr] warning: method is never used: `x_reg`
Dec 13 17:49:25.211 INFO [stderr]    --> src/op.rs:687:5
Dec 13 17:49:25.211 INFO [stderr]     |
Dec 13 17:49:25.211 INFO [stderr] 687 |     fn x_reg(num: u32) -> Source {
Dec 13 17:49:25.211 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 17:49:25.211 INFO [stderr] 
Dec 13 17:49:25.211 INFO [stderr] warning: method is never used: `get_register`
Dec 13 17:49:25.211 INFO [stderr]    --> src/op.rs:691:5
Dec 13 17:49:25.211 INFO [stderr]     |
Dec 13 17:49:25.211 INFO [stderr] 691 |     pub fn get_register(&self) -> Register {
Dec 13 17:49:25.211 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 17:49:25.211 INFO [stderr] 
Dec 13 17:49:25.211 INFO [stderr] warning: method is never used: `get_register`
Dec 13 17:49:25.211 INFO [stderr]   --> src/ssa/representation.rs:63:5
Dec 13 17:49:25.211 INFO [stderr]    |
Dec 13 17:49:25.211 INFO [stderr] 63 |     pub fn get_register(&self) -> SSARegister {
Dec 13 17:49:25.211 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 17:49:25.211 INFO [stderr] 
Dec 13 17:49:25.211 INFO [stderr] warning: type alias is never used: `GraphAccessor`
Dec 13 17:49:25.211 INFO [stderr]   --> src/graph/mod.rs:14:1
Dec 13 17:49:25.211 INFO [stderr]    |
Dec 13 17:49:25.211 INFO [stderr] 14 | pub type GraphAccessor<NodeId> = Fn(NodeId, usize) -> Option<NodeId>;
Dec 13 17:49:25.211 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 17:49:25.211 INFO [stderr] 
Dec 13 17:49:33.348 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.63s
Dec 13 17:49:33.354 INFO [stderr] su: No module specific data is present
Dec 13 17:49:34.148 INFO running `"docker" "inspect" "74c3057de215a189c3c6cbe7fcc7778ce1f540c4a5532bdfd72301bd3bf2e4dc"`
Dec 13 17:49:34.453 INFO running `"docker" "rm" "-f" "74c3057de215a189c3c6cbe7fcc7778ce1f540c4a5532bdfd72301bd3bf2e4dc"`
Dec 13 17:49:34.750 INFO [stdout] 74c3057de215a189c3c6cbe7fcc7778ce1f540c4a5532bdfd72301bd3bf2e4dc
Dec 13 17:49:34.752 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-7/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 13 17:49:35.184 INFO [stdout] 131cd9611dc82cfe709c9ab9093aac48132427c1ad34c152d1d30219a0dcda6c
Dec 13 17:49:35.185 INFO running `"docker" "start" "-a" "131cd9611dc82cfe709c9ab9093aac48132427c1ad34c152d1d30219a0dcda6c"`
Dec 13 17:49:36.228 INFO [stderr] usermod: no changes
Dec 13 17:49:36.319 INFO [stderr]    Compiling beam_code v0.1.0 (/source)
Dec 13 17:49:37.811 INFO [stderr] warning: unused import: `::std::rc::Rc`
Dec 13 17:49:37.811 INFO [stderr]  --> src/op.rs:6:5
Dec 13 17:49:37.811 INFO [stderr]   |
Dec 13 17:49:37.811 INFO [stderr] 6 | use ::std::rc::Rc;
Dec 13 17:49:37.811 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 13 17:49:37.811 INFO [stderr]   |
Dec 13 17:49:37.811 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 13 17:49:37.811 INFO [stderr] 
Dec 13 17:49:37.822 INFO [stderr] warning: unused import: `Literal`
Dec 13 17:49:37.822 INFO [stderr]  --> src/ssa/mod.rs:5:52
Dec 13 17:49:37.822 INFO [stderr]   |
Dec 13 17:49:37.822 INFO [stderr] 5 | use ::op::{ Op, LabelId, Register, OpKind, Source, Literal };
Dec 13 17:49:37.822 INFO [stderr]   |                                                    ^^^^^^^
Dec 13 17:49:37.822 INFO [stderr] 
Dec 13 17:49:37.822 INFO [stderr] warning: unused import: `::std::hash::Hash`
Dec 13 17:49:37.822 INFO [stderr]  --> src/ssa/representation.rs:5:5
Dec 13 17:49:37.822 INFO [stderr]   |
Dec 13 17:49:37.822 INFO [stderr] 5 | use ::std::hash::Hash;
Dec 13 17:49:37.822 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 13 17:49:37.822 INFO [stderr] 
Dec 13 17:49:37.822 INFO [stderr] warning: unused import: `::std::fmt::Debug`
Dec 13 17:49:37.822 INFO [stderr]  --> src/graph/dfs.rs:2:5
Dec 13 17:49:37.822 INFO [stderr]   |
Dec 13 17:49:37.822 INFO [stderr] 2 | use ::std::fmt::Debug;
Dec 13 17:49:37.822 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 13 17:49:37.822 INFO [stderr] 
Dec 13 17:49:37.822 INFO [stderr] warning: unused import: `GraphAccessor`
Dec 13 17:49:37.822 INFO [stderr]  --> src/graph/dfs.rs:5:14
Dec 13 17:49:37.822 INFO [stderr]   |
Dec 13 17:49:37.822 INFO [stderr] 5 | use super::{ GraphAccessor, GraphDfs };
Dec 13 17:49:37.822 INFO [stderr]   |              ^^^^^^^^^^^^^
Dec 13 17:49:37.822 INFO [stderr] 
Dec 13 17:49:37.894 INFO [stderr] warning: unused import: `::std::rc::Rc`
Dec 13 17:49:37.895 INFO [stderr]  --> src/op.rs:6:5
Dec 13 17:49:37.895 INFO [stderr]   |
Dec 13 17:49:37.895 INFO [stderr] 6 | use ::std::rc::Rc;
Dec 13 17:49:37.895 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 13 17:49:37.895 INFO [stderr]   |
Dec 13 17:49:37.895 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 13 17:49:37.895 INFO [stderr] 
Dec 13 17:49:37.914 INFO [stderr] warning: unused import: `Literal`
Dec 13 17:49:37.915 INFO [stderr]  --> src/ssa/mod.rs:5:52
Dec 13 17:49:37.915 INFO [stderr]   |
Dec 13 17:49:37.915 INFO [stderr] 5 | use ::op::{ Op, LabelId, Register, OpKind, Source, Literal };
Dec 13 17:49:37.915 INFO [stderr]   |                                                    ^^^^^^^
Dec 13 17:49:37.915 INFO [stderr] 
Dec 13 17:49:37.915 INFO [stderr] warning: unused import: `::std::hash::Hash`
Dec 13 17:49:37.915 INFO [stderr]  --> src/ssa/representation.rs:5:5
Dec 13 17:49:37.915 INFO [stderr]   |
Dec 13 17:49:37.915 INFO [stderr] 5 | use ::std::hash::Hash;
Dec 13 17:49:37.915 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 13 17:49:37.915 INFO [stderr] 
Dec 13 17:49:37.915 INFO [stderr] warning: unused import: `::std::fmt::Debug`
Dec 13 17:49:37.915 INFO [stderr]  --> src/graph/dfs.rs:2:5
Dec 13 17:49:37.915 INFO [stderr]   |
Dec 13 17:49:37.915 INFO [stderr] 2 | use ::std::fmt::Debug;
Dec 13 17:49:37.915 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 13 17:49:37.915 INFO [stderr] 
Dec 13 17:49:37.915 INFO [stderr] warning: unused import: `GraphAccessor`
Dec 13 17:49:37.915 INFO [stderr]  --> src/graph/dfs.rs:5:14
Dec 13 17:49:37.915 INFO [stderr]   |
Dec 13 17:49:37.915 INFO [stderr] 5 | use super::{ GraphAccessor, GraphDfs };
Dec 13 17:49:37.915 INFO [stderr]   |              ^^^^^^^^^^^^^
Dec 13 17:49:37.915 INFO [stderr] 
Dec 13 17:49:38.585 INFO [stderr] warning: unused variable: `atom_num`
Dec 13 17:49:38.585 INFO [stderr]    --> src/beam_module.rs:218:9
Dec 13 17:49:38.585 INFO [stderr]     |
Dec 13 17:49:38.585 INFO [stderr] 218 |     for atom_num in 0..len {
Dec 13 17:49:38.585 INFO [stderr]     |         ^^^^^^^^ help: consider using `_atom_num` instead
Dec 13 17:49:38.585 INFO [stderr]     |
Dec 13 17:49:38.585 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 13 17:49:38.585 INFO [stderr] 
Dec 13 17:49:38.719 INFO [stderr] warning: unused variable: `atom_num`
Dec 13 17:49:38.719 INFO [stderr]    --> src/beam_module.rs:218:9
Dec 13 17:49:38.719 INFO [stderr]     |
Dec 13 17:49:38.719 INFO [stderr] 218 |     for atom_num in 0..len {
Dec 13 17:49:38.719 INFO [stderr]     |         ^^^^^^^^ help: consider using `_atom_num` instead
Dec 13 17:49:38.719 INFO [stderr]     |
Dec 13 17:49:38.719 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 13 17:49:38.719 INFO [stderr] 
Dec 13 17:49:38.977 INFO [stderr] warning: method is never used: `with_reads_labels`
Dec 13 17:49:38.977 INFO [stderr]   --> src/op.rs:32:5
Dec 13 17:49:38.977 INFO [stderr]    |
Dec 13 17:49:38.977 INFO [stderr] 32 |     pub fn with_reads_labels(kind: OpKind, reads: Vec<Source>, labels: Vec<LabelId>) -> Self {
Dec 13 17:49:38.977 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 17:49:38.977 INFO [stderr]    |
Dec 13 17:49:38.977 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 13 17:49:38.977 INFO [stderr] 
Dec 13 17:49:38.977 INFO [stderr] warning: variant is never constructed: `CaseEnd`
Dec 13 17:49:38.977 INFO [stderr]    --> src/op.rs:156:5
Dec 13 17:49:38.977 INFO [stderr]     |
Dec 13 17:49:38.977 INFO [stderr] 156 |     CaseEnd,
Dec 13 17:49:38.977 INFO [stderr]     |     ^^^^^^^
Dec 13 17:49:38.977 INFO [stderr] 
Dec 13 17:49:38.983 INFO [stderr] warning: method is never used: `x_reg`
Dec 13 17:49:38.984 INFO [stderr]    --> src/op.rs:687:5
Dec 13 17:49:38.984 INFO [stderr]     |
Dec 13 17:49:38.984 INFO [stderr] 687 |     fn x_reg(num: u32) -> Source {
Dec 13 17:49:38.984 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 17:49:38.984 INFO [stderr] 
Dec 13 17:49:38.984 INFO [stderr] warning: method is never used: `get_register`
Dec 13 17:49:38.984 INFO [stderr]    --> src/op.rs:691:5
Dec 13 17:49:38.984 INFO [stderr]     |
Dec 13 17:49:38.984 INFO [stderr] 691 |     pub fn get_register(&self) -> Register {
Dec 13 17:49:38.984 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 17:49:38.984 INFO [stderr] 
Dec 13 17:49:38.984 INFO [stderr] warning: method is never used: `get_register`
Dec 13 17:49:38.984 INFO [stderr]   --> src/ssa/representation.rs:63:5
Dec 13 17:49:38.984 INFO [stderr]    |
Dec 13 17:49:38.984 INFO [stderr] 63 |     pub fn get_register(&self) -> SSARegister {
Dec 13 17:49:38.984 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 17:49:38.984 INFO [stderr] 
Dec 13 17:49:38.984 INFO [stderr] warning: type alias is never used: `GraphAccessor`
Dec 13 17:49:38.984 INFO [stderr]   --> src/graph/mod.rs:14:1
Dec 13 17:49:38.984 INFO [stderr]    |
Dec 13 17:49:38.984 INFO [stderr] 14 | pub type GraphAccessor<NodeId> = Fn(NodeId, usize) -> Option<NodeId>;
Dec 13 17:49:38.984 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 17:49:38.984 INFO [stderr] 
Dec 13 17:49:39.283 INFO [stderr] warning: method is never used: `x_reg`
Dec 13 17:49:39.283 INFO [stderr]    --> src/op.rs:687:5
Dec 13 17:49:39.283 INFO [stderr]     |
Dec 13 17:49:39.283 INFO [stderr] 687 |     fn x_reg(num: u32) -> Source {
Dec 13 17:49:39.283 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 17:49:39.283 INFO [stderr]     |
Dec 13 17:49:39.286 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 13 17:49:39.286 INFO [stderr] 
Dec 13 17:49:39.286 INFO [stderr] warning: type alias is never used: `GraphAccessor`
Dec 13 17:49:39.286 INFO [stderr]   --> src/graph/mod.rs:14:1
Dec 13 17:49:39.286 INFO [stderr]    |
Dec 13 17:49:39.286 INFO [stderr] 14 | pub type GraphAccessor<NodeId> = Fn(NodeId, usize) -> Option<NodeId>;
Dec 13 17:49:39.286 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 17:49:39.286 INFO [stderr] 
Dec 13 17:49:39.701 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.45s
Dec 13 17:49:39.706 INFO [stderr] su: No module specific data is present
Dec 13 17:49:40.469 INFO running `"docker" "inspect" "131cd9611dc82cfe709c9ab9093aac48132427c1ad34c152d1d30219a0dcda6c"`
Dec 13 17:49:40.805 INFO running `"docker" "rm" "-f" "131cd9611dc82cfe709c9ab9093aac48132427c1ad34c152d1d30219a0dcda6c"`
Dec 13 17:49:41.127 INFO [stdout] 131cd9611dc82cfe709c9ab9093aac48132427c1ad34c152d1d30219a0dcda6c
Dec 13 17:49:41.135 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-7/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 13 17:49:41.648 INFO [stdout] ece23f24995f78ec8be27254fb3f082457b1f9ac036f8d2b03d4d77c4a3c40f7
Dec 13 17:49:41.651 INFO running `"docker" "start" "-a" "ece23f24995f78ec8be27254fb3f082457b1f9ac036f8d2b03d4d77c4a3c40f7"`
Dec 13 17:49:42.980 INFO [stderr] usermod: no changes
Dec 13 17:49:43.079 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
Dec 13 17:49:43.091 INFO [stderr]      Running /target/debug/deps/beam_code-e2a4262fa962e801
Dec 13 17:49:43.099 INFO [stderr]      Running /target/debug/deps/beam_code-d7ac0504257dac76
Dec 13 17:49:43.099 INFO [stdout] 
Dec 13 17:49:43.099 INFO [stderr]    Doc-tests beam_code
Dec 13 17:49:43.099 INFO [stdout] running 0 tests
Dec 13 17:49:43.099 INFO [stdout] 
Dec 13 17:49:43.099 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 17:49:43.099 INFO [stdout] 
Dec 13 17:49:43.099 INFO [stdout] 
Dec 13 17:49:43.099 INFO [stdout] running 0 tests
Dec 13 17:49:43.099 INFO [stdout] 
Dec 13 17:49:43.099 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 17:49:43.099 INFO [stdout] 
Dec 13 17:49:45.059 INFO [stdout] 
Dec 13 17:49:45.059 INFO [stdout] running 0 tests
Dec 13 17:49:45.059 INFO [stdout] 
Dec 13 17:49:45.059 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 17:49:45.059 INFO [stdout] 
Dec 13 17:49:45.075 INFO [stderr] su: No module specific data is present
Dec 13 17:49:45.663 INFO running `"docker" "inspect" "ece23f24995f78ec8be27254fb3f082457b1f9ac036f8d2b03d4d77c4a3c40f7"`
Dec 13 17:49:45.968 INFO running `"docker" "rm" "-f" "ece23f24995f78ec8be27254fb3f082457b1f9ac036f8d2b03d4d77c4a3c40f7"`
Dec 13 17:49:46.243 INFO [stdout] ece23f24995f78ec8be27254fb3f082457b1f9ac036f8d2b03d4d77c4a3c40f7