Dec 01 16:06:56.575 INFO testing hansihe/beam_code against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 01 16:06:56.575 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-3/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/beta-1.31-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/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 +8940af3cea4a9a9deabcaf843b2f8cad9a83fc61-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 01 16:06:57.121 INFO [stdout] 15d239c563385a89c5a2b74794bd304f7fb82d6d7ea995fca6845e4f0fdad2d4
Dec 01 16:06:57.123 INFO running `"docker" "start" "-a" "15d239c563385a89c5a2b74794bd304f7fb82d6d7ea995fca6845e4f0fdad2d4"`
Dec 01 16:06:58.182 INFO [stderr] usermod: no changes
Dec 01 16:06:58.260 INFO [stderr]    Compiling libflate v0.1.9
Dec 01 16:06:58.261 INFO [stderr]    Compiling string-intern v0.1.6
Dec 01 16:07:01.031 INFO [stderr]    Compiling beam_file v0.2.2
Dec 01 16:07:01.031 INFO [stderr]    Compiling eetf v0.3.6
Dec 01 16:07:05.124 INFO [stderr]    Compiling beam_code v0.1.0 (/source)
Dec 01 16:07:06.207 INFO [stderr] warning: unused import: `::std::rc::Rc`
Dec 01 16:07:06.207 INFO [stderr]  --> src/op.rs:6:5
Dec 01 16:07:06.207 INFO [stderr]   |
Dec 01 16:07:06.207 INFO [stderr] 6 | use ::std::rc::Rc;
Dec 01 16:07:06.207 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 01 16:07:06.207 INFO [stderr]   |
Dec 01 16:07:06.207 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 01 16:07:06.207 INFO [stderr] 
Dec 01 16:07:06.209 INFO [stderr] warning: unused import: `Literal`
Dec 01 16:07:06.209 INFO [stderr]  --> src/ssa/mod.rs:5:52
Dec 01 16:07:06.209 INFO [stderr]   |
Dec 01 16:07:06.209 INFO [stderr] 5 | use ::op::{ Op, LabelId, Register, OpKind, Source, Literal };
Dec 01 16:07:06.209 INFO [stderr]   |                                                    ^^^^^^^
Dec 01 16:07:06.209 INFO [stderr] 
Dec 01 16:07:06.209 INFO [stderr] warning: unused import: `::std::hash::Hash`
Dec 01 16:07:06.209 INFO [stderr]  --> src/ssa/representation.rs:5:5
Dec 01 16:07:06.209 INFO [stderr]   |
Dec 01 16:07:06.209 INFO [stderr] 5 | use ::std::hash::Hash;
Dec 01 16:07:06.209 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 01 16:07:06.209 INFO [stderr] 
Dec 01 16:07:06.210 INFO [stderr] warning: unused import: `::std::fmt::Debug`
Dec 01 16:07:06.210 INFO [stderr]  --> src/graph/dfs.rs:2:5
Dec 01 16:07:06.210 INFO [stderr]   |
Dec 01 16:07:06.210 INFO [stderr] 2 | use ::std::fmt::Debug;
Dec 01 16:07:06.210 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 01 16:07:06.211 INFO [stderr] 
Dec 01 16:07:06.211 INFO [stderr] warning: unused import: `GraphAccessor`
Dec 01 16:07:06.211 INFO [stderr]  --> src/graph/dfs.rs:5:14
Dec 01 16:07:06.211 INFO [stderr]   |
Dec 01 16:07:06.211 INFO [stderr] 5 | use super::{ GraphAccessor, GraphDfs };
Dec 01 16:07:06.211 INFO [stderr]   |              ^^^^^^^^^^^^^
Dec 01 16:07:06.211 INFO [stderr] 
Dec 01 16:07:06.891 INFO [stderr] warning: unused variable: `atom_num`
Dec 01 16:07:06.891 INFO [stderr]    --> src/beam_module.rs:218:9
Dec 01 16:07:06.891 INFO [stderr]     |
Dec 01 16:07:06.891 INFO [stderr] 218 |     for atom_num in 0..len {
Dec 01 16:07:06.891 INFO [stderr]     |         ^^^^^^^^ help: consider using `_atom_num` instead
Dec 01 16:07:06.891 INFO [stderr]     |
Dec 01 16:07:06.891 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 01 16:07:06.891 INFO [stderr] 
Dec 01 16:07:07.283 INFO [stderr] warning: method is never used: `x_reg`
Dec 01 16:07:07.283 INFO [stderr]    --> src/op.rs:687:5
Dec 01 16:07:07.283 INFO [stderr]     |
Dec 01 16:07:07.283 INFO [stderr] 687 |     fn x_reg(num: u32) -> Source {
Dec 01 16:07:07.283 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 16:07:07.283 INFO [stderr]     |
Dec 01 16:07:07.283 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 01 16:07:07.283 INFO [stderr] 
Dec 01 16:07:07.283 INFO [stderr] warning: type alias is never used: `GraphAccessor`
Dec 01 16:07:07.283 INFO [stderr]   --> src/graph/mod.rs:14:1
Dec 01 16:07:07.283 INFO [stderr]    |
Dec 01 16:07:07.283 INFO [stderr] 14 | pub type GraphAccessor<NodeId> = Fn(NodeId, usize) -> Option<NodeId>;
Dec 01 16:07:07.283 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 16:07:07.283 INFO [stderr] 
Dec 01 16:07:13.219 INFO [stderr] warning: unused import: `::std::rc::Rc`
Dec 01 16:07:13.219 INFO [stderr]  --> src/op.rs:6:5
Dec 01 16:07:13.219 INFO [stderr]   |
Dec 01 16:07:13.219 INFO [stderr] 6 | use ::std::rc::Rc;
Dec 01 16:07:13.219 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 01 16:07:13.219 INFO [stderr]   |
Dec 01 16:07:13.219 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 01 16:07:13.219 INFO [stderr] 
Dec 01 16:07:13.221 INFO [stderr] warning: unused import: `Literal`
Dec 01 16:07:13.221 INFO [stderr]  --> src/ssa/mod.rs:5:52
Dec 01 16:07:13.221 INFO [stderr]   |
Dec 01 16:07:13.221 INFO [stderr] 5 | use ::op::{ Op, LabelId, Register, OpKind, Source, Literal };
Dec 01 16:07:13.221 INFO [stderr]   |                                                    ^^^^^^^
Dec 01 16:07:13.221 INFO [stderr] 
Dec 01 16:07:13.221 INFO [stderr] warning: unused import: `::std::hash::Hash`
Dec 01 16:07:13.221 INFO [stderr]  --> src/ssa/representation.rs:5:5
Dec 01 16:07:13.222 INFO [stderr]   |
Dec 01 16:07:13.222 INFO [stderr] 5 | use ::std::hash::Hash;
Dec 01 16:07:13.222 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 01 16:07:13.222 INFO [stderr] 
Dec 01 16:07:13.222 INFO [stderr] warning: unused import: `::std::fmt::Debug`
Dec 01 16:07:13.223 INFO [stderr]  --> src/graph/dfs.rs:2:5
Dec 01 16:07:13.223 INFO [stderr]   |
Dec 01 16:07:13.223 INFO [stderr] 2 | use ::std::fmt::Debug;
Dec 01 16:07:13.223 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 01 16:07:13.223 INFO [stderr] 
Dec 01 16:07:13.223 INFO [stderr] warning: unused import: `GraphAccessor`
Dec 01 16:07:13.223 INFO [stderr]  --> src/graph/dfs.rs:5:14
Dec 01 16:07:13.223 INFO [stderr]   |
Dec 01 16:07:13.223 INFO [stderr] 5 | use super::{ GraphAccessor, GraphDfs };
Dec 01 16:07:13.223 INFO [stderr]   |              ^^^^^^^^^^^^^
Dec 01 16:07:13.223 INFO [stderr] 
Dec 01 16:07:13.835 INFO [stderr] warning: unused variable: `atom_num`
Dec 01 16:07:13.835 INFO [stderr]    --> src/beam_module.rs:218:9
Dec 01 16:07:13.835 INFO [stderr]     |
Dec 01 16:07:13.835 INFO [stderr] 218 |     for atom_num in 0..len {
Dec 01 16:07:13.835 INFO [stderr]     |         ^^^^^^^^ help: consider using `_atom_num` instead
Dec 01 16:07:13.835 INFO [stderr]     |
Dec 01 16:07:13.835 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 01 16:07:13.835 INFO [stderr] 
Dec 01 16:07:14.261 INFO [stderr] warning: method is never used: `with_reads_labels`
Dec 01 16:07:14.261 INFO [stderr]   --> src/op.rs:32:5
Dec 01 16:07:14.261 INFO [stderr]    |
Dec 01 16:07:14.261 INFO [stderr] 32 |     pub fn with_reads_labels(kind: OpKind, reads: Vec<Source>, labels: Vec<LabelId>) -> Self {
Dec 01 16:07:14.261 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 16:07:14.262 INFO [stderr]    |
Dec 01 16:07:14.262 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 01 16:07:14.262 INFO [stderr] 
Dec 01 16:07:14.262 INFO [stderr] warning: variant is never constructed: `CaseEnd`
Dec 01 16:07:14.262 INFO [stderr]    --> src/op.rs:156:5
Dec 01 16:07:14.263 INFO [stderr]     |
Dec 01 16:07:14.263 INFO [stderr] 156 |     CaseEnd,
Dec 01 16:07:14.263 INFO [stderr]     |     ^^^^^^^
Dec 01 16:07:14.263 INFO [stderr] 
Dec 01 16:07:14.263 INFO [stderr] warning: method is never used: `x_reg`
Dec 01 16:07:14.263 INFO [stderr]    --> src/op.rs:687:5
Dec 01 16:07:14.263 INFO [stderr]     |
Dec 01 16:07:14.263 INFO [stderr] 687 |     fn x_reg(num: u32) -> Source {
Dec 01 16:07:14.263 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 16:07:14.263 INFO [stderr] 
Dec 01 16:07:14.263 INFO [stderr] warning: method is never used: `get_register`
Dec 01 16:07:14.263 INFO [stderr]    --> src/op.rs:691:5
Dec 01 16:07:14.263 INFO [stderr]     |
Dec 01 16:07:14.263 INFO [stderr] 691 |     pub fn get_register(&self) -> Register {
Dec 01 16:07:14.263 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 16:07:14.263 INFO [stderr] 
Dec 01 16:07:14.263 INFO [stderr] warning: method is never used: `get_register`
Dec 01 16:07:14.263 INFO [stderr]   --> src/ssa/representation.rs:63:5
Dec 01 16:07:14.263 INFO [stderr]    |
Dec 01 16:07:14.263 INFO [stderr] 63 |     pub fn get_register(&self) -> SSARegister {
Dec 01 16:07:14.263 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 16:07:14.263 INFO [stderr] 
Dec 01 16:07:14.263 INFO [stderr] warning: type alias is never used: `GraphAccessor`
Dec 01 16:07:14.263 INFO [stderr]   --> src/graph/mod.rs:14:1
Dec 01 16:07:14.263 INFO [stderr]    |
Dec 01 16:07:14.263 INFO [stderr] 14 | pub type GraphAccessor<NodeId> = Fn(NodeId, usize) -> Option<NodeId>;
Dec 01 16:07:14.263 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 16:07:14.263 INFO [stderr] 
Dec 01 16:07:21.713 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.51s
Dec 01 16:07:21.719 INFO [stderr] su: No module specific data is present
Dec 01 16:07:22.629 INFO running `"docker" "inspect" "15d239c563385a89c5a2b74794bd304f7fb82d6d7ea995fca6845e4f0fdad2d4"`
Dec 01 16:07:22.863 INFO running `"docker" "rm" "-f" "15d239c563385a89c5a2b74794bd304f7fb82d6d7ea995fca6845e4f0fdad2d4"`
Dec 01 16:07:23.110 INFO [stdout] 15d239c563385a89c5a2b74794bd304f7fb82d6d7ea995fca6845e4f0fdad2d4
Dec 01 16:07:23.113 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-3/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/beta-1.31-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/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 +8940af3cea4a9a9deabcaf843b2f8cad9a83fc61-alt test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 01 16:07:23.531 INFO [stdout] 86a86bff1c874a94abe98d802dab2b57c0dd96519a3fb5c3bcdf5383ddaa572d
Dec 01 16:07:23.539 INFO running `"docker" "start" "-a" "86a86bff1c874a94abe98d802dab2b57c0dd96519a3fb5c3bcdf5383ddaa572d"`
Dec 01 16:07:24.451 INFO [stderr] usermod: no changes
Dec 01 16:07:24.531 INFO [stderr]    Compiling beam_code v0.1.0 (/source)
Dec 01 16:07:25.827 INFO [stderr] warning: unused import: `::std::rc::Rc`
Dec 01 16:07:25.827 INFO [stderr]  --> src/op.rs:6:5
Dec 01 16:07:25.827 INFO [stderr]   |
Dec 01 16:07:25.827 INFO [stderr] 6 | use ::std::rc::Rc;
Dec 01 16:07:25.827 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 01 16:07:25.827 INFO [stderr]   |
Dec 01 16:07:25.827 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 01 16:07:25.827 INFO [stderr] 
Dec 01 16:07:25.827 INFO [stderr] warning: unused import: `Literal`
Dec 01 16:07:25.827 INFO [stderr]  --> src/ssa/mod.rs:5:52
Dec 01 16:07:25.827 INFO [stderr]   |
Dec 01 16:07:25.827 INFO [stderr] 5 | use ::op::{ Op, LabelId, Register, OpKind, Source, Literal };
Dec 01 16:07:25.827 INFO [stderr]   |                                                    ^^^^^^^
Dec 01 16:07:25.827 INFO [stderr] 
Dec 01 16:07:25.827 INFO [stderr] warning: unused import: `::std::hash::Hash`
Dec 01 16:07:25.827 INFO [stderr]  --> src/ssa/representation.rs:5:5
Dec 01 16:07:25.827 INFO [stderr]   |
Dec 01 16:07:25.827 INFO [stderr] 5 | use ::std::hash::Hash;
Dec 01 16:07:25.827 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 01 16:07:25.827 INFO [stderr] 
Dec 01 16:07:25.831 INFO [stderr] warning: unused import: `::std::fmt::Debug`
Dec 01 16:07:25.831 INFO [stderr]  --> src/graph/dfs.rs:2:5
Dec 01 16:07:25.831 INFO [stderr]   |
Dec 01 16:07:25.831 INFO [stderr] 2 | use ::std::fmt::Debug;
Dec 01 16:07:25.831 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 01 16:07:25.831 INFO [stderr] 
Dec 01 16:07:25.831 INFO [stderr] warning: unused import: `GraphAccessor`
Dec 01 16:07:25.831 INFO [stderr]  --> src/graph/dfs.rs:5:14
Dec 01 16:07:25.831 INFO [stderr]   |
Dec 01 16:07:25.831 INFO [stderr] 5 | use super::{ GraphAccessor, GraphDfs };
Dec 01 16:07:25.831 INFO [stderr]   |              ^^^^^^^^^^^^^
Dec 01 16:07:25.831 INFO [stderr] 
Dec 01 16:07:26.251 INFO [stderr] warning: unused import: `::std::rc::Rc`
Dec 01 16:07:26.251 INFO [stderr]  --> src/op.rs:6:5
Dec 01 16:07:26.251 INFO [stderr]   |
Dec 01 16:07:26.251 INFO [stderr] 6 | use ::std::rc::Rc;
Dec 01 16:07:26.251 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 01 16:07:26.251 INFO [stderr]   |
Dec 01 16:07:26.251 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 01 16:07:26.251 INFO [stderr] 
Dec 01 16:07:26.254 INFO [stderr] warning: unused import: `Literal`
Dec 01 16:07:26.254 INFO [stderr]  --> src/ssa/mod.rs:5:52
Dec 01 16:07:26.254 INFO [stderr]   |
Dec 01 16:07:26.254 INFO [stderr] 5 | use ::op::{ Op, LabelId, Register, OpKind, Source, Literal };
Dec 01 16:07:26.254 INFO [stderr]   |                                                    ^^^^^^^
Dec 01 16:07:26.254 INFO [stderr] 
Dec 01 16:07:26.254 INFO [stderr] warning: unused import: `::std::hash::Hash`
Dec 01 16:07:26.254 INFO [stderr]  --> src/ssa/representation.rs:5:5
Dec 01 16:07:26.254 INFO [stderr]   |
Dec 01 16:07:26.254 INFO [stderr] 5 | use ::std::hash::Hash;
Dec 01 16:07:26.254 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 01 16:07:26.254 INFO [stderr] 
Dec 01 16:07:26.255 INFO [stderr] warning: unused import: `::std::fmt::Debug`
Dec 01 16:07:26.255 INFO [stderr]  --> src/graph/dfs.rs:2:5
Dec 01 16:07:26.255 INFO [stderr]   |
Dec 01 16:07:26.255 INFO [stderr] 2 | use ::std::fmt::Debug;
Dec 01 16:07:26.255 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 01 16:07:26.255 INFO [stderr] 
Dec 01 16:07:26.255 INFO [stderr] warning: unused import: `GraphAccessor`
Dec 01 16:07:26.255 INFO [stderr]  --> src/graph/dfs.rs:5:14
Dec 01 16:07:26.255 INFO [stderr]   |
Dec 01 16:07:26.255 INFO [stderr] 5 | use super::{ GraphAccessor, GraphDfs };
Dec 01 16:07:26.255 INFO [stderr]   |              ^^^^^^^^^^^^^
Dec 01 16:07:26.255 INFO [stderr] 
Dec 01 16:07:26.658 INFO [stderr] warning: unused variable: `atom_num`
Dec 01 16:07:26.658 INFO [stderr]    --> src/beam_module.rs:218:9
Dec 01 16:07:26.658 INFO [stderr]     |
Dec 01 16:07:26.658 INFO [stderr] 218 |     for atom_num in 0..len {
Dec 01 16:07:26.658 INFO [stderr]     |         ^^^^^^^^ help: consider using `_atom_num` instead
Dec 01 16:07:26.658 INFO [stderr]     |
Dec 01 16:07:26.658 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 01 16:07:26.658 INFO [stderr] 
Dec 01 16:07:27.123 INFO [stderr] warning: method is never used: `with_reads_labels`
Dec 01 16:07:27.123 INFO [stderr]   --> src/op.rs:32:5
Dec 01 16:07:27.123 INFO [stderr]    |
Dec 01 16:07:27.123 INFO [stderr] 32 |     pub fn with_reads_labels(kind: OpKind, reads: Vec<Source>, labels: Vec<LabelId>) -> Self {
Dec 01 16:07:27.123 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 16:07:27.123 INFO [stderr]    |
Dec 01 16:07:27.123 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 01 16:07:27.123 INFO [stderr] 
Dec 01 16:07:27.124 INFO [stderr] warning: variant is never constructed: `CaseEnd`
Dec 01 16:07:27.124 INFO [stderr]    --> src/op.rs:156:5
Dec 01 16:07:27.124 INFO [stderr]     |
Dec 01 16:07:27.124 INFO [stderr] 156 |     CaseEnd,
Dec 01 16:07:27.124 INFO [stderr]     |     ^^^^^^^
Dec 01 16:07:27.124 INFO [stderr] 
Dec 01 16:07:27.124 INFO [stderr] warning: method is never used: `x_reg`
Dec 01 16:07:27.124 INFO [stderr]    --> src/op.rs:687:5
Dec 01 16:07:27.124 INFO [stderr]     |
Dec 01 16:07:27.124 INFO [stderr] 687 |     fn x_reg(num: u32) -> Source {
Dec 01 16:07:27.124 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 16:07:27.124 INFO [stderr] 
Dec 01 16:07:27.124 INFO [stderr] warning: method is never used: `get_register`
Dec 01 16:07:27.124 INFO [stderr]    --> src/op.rs:691:5
Dec 01 16:07:27.124 INFO [stderr]     |
Dec 01 16:07:27.124 INFO [stderr] 691 |     pub fn get_register(&self) -> Register {
Dec 01 16:07:27.124 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 16:07:27.124 INFO [stderr] 
Dec 01 16:07:27.124 INFO [stderr] warning: method is never used: `get_register`
Dec 01 16:07:27.124 INFO [stderr]   --> src/ssa/representation.rs:63:5
Dec 01 16:07:27.124 INFO [stderr]    |
Dec 01 16:07:27.124 INFO [stderr] 63 |     pub fn get_register(&self) -> SSARegister {
Dec 01 16:07:27.124 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 16:07:27.124 INFO [stderr] 
Dec 01 16:07:27.125 INFO [stderr] warning: type alias is never used: `GraphAccessor`
Dec 01 16:07:27.125 INFO [stderr]   --> src/graph/mod.rs:14:1
Dec 01 16:07:27.125 INFO [stderr]    |
Dec 01 16:07:27.125 INFO [stderr] 14 | pub type GraphAccessor<NodeId> = Fn(NodeId, usize) -> Option<NodeId>;
Dec 01 16:07:27.125 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 16:07:27.125 INFO [stderr] 
Dec 01 16:07:27.289 INFO [stderr] warning: unused variable: `atom_num`
Dec 01 16:07:27.289 INFO [stderr]    --> src/beam_module.rs:218:9
Dec 01 16:07:27.289 INFO [stderr]     |
Dec 01 16:07:27.290 INFO [stderr] 218 |     for atom_num in 0..len {
Dec 01 16:07:27.290 INFO [stderr]     |         ^^^^^^^^ help: consider using `_atom_num` instead
Dec 01 16:07:27.290 INFO [stderr]     |
Dec 01 16:07:27.290 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 01 16:07:27.290 INFO [stderr] 
Dec 01 16:07:27.675 INFO [stderr] warning: method is never used: `x_reg`
Dec 01 16:07:27.675 INFO [stderr]    --> src/op.rs:687:5
Dec 01 16:07:27.675 INFO [stderr]     |
Dec 01 16:07:27.675 INFO [stderr] 687 |     fn x_reg(num: u32) -> Source {
Dec 01 16:07:27.675 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 16:07:27.675 INFO [stderr]     |
Dec 01 16:07:27.675 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 01 16:07:27.675 INFO [stderr] 
Dec 01 16:07:27.675 INFO [stderr] warning: type alias is never used: `GraphAccessor`
Dec 01 16:07:27.675 INFO [stderr]   --> src/graph/mod.rs:14:1
Dec 01 16:07:27.675 INFO [stderr]    |
Dec 01 16:07:27.675 INFO [stderr] 14 | pub type GraphAccessor<NodeId> = Fn(NodeId, usize) -> Option<NodeId>;
Dec 01 16:07:27.675 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 16:07:27.675 INFO [stderr] 
Dec 01 16:07:28.199 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.72s
Dec 01 16:07:28.201 INFO [stderr] su: No module specific data is present
Dec 01 16:07:28.623 INFO running `"docker" "inspect" "86a86bff1c874a94abe98d802dab2b57c0dd96519a3fb5c3bcdf5383ddaa572d"`
Dec 01 16:07:28.836 INFO running `"docker" "rm" "-f" "86a86bff1c874a94abe98d802dab2b57c0dd96519a3fb5c3bcdf5383ddaa572d"`
Dec 01 16:07:29.031 INFO [stdout] 86a86bff1c874a94abe98d802dab2b57c0dd96519a3fb5c3bcdf5383ddaa572d
Dec 01 16:07:29.034 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-3/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/beta-1.31-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/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 +8940af3cea4a9a9deabcaf843b2f8cad9a83fc61-alt test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 01 16:07:29.458 INFO [stdout] 9b5be0ea8bfec37a7a75491a95af4e51e835ce69adb10a0887c60935c8fef068
Dec 01 16:07:29.460 INFO running `"docker" "start" "-a" "9b5be0ea8bfec37a7a75491a95af4e51e835ce69adb10a0887c60935c8fef068"`
Dec 01 16:07:30.436 INFO [stderr] usermod: no changes
Dec 01 16:07:30.604 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.14s
Dec 01 16:07:30.619 INFO [stderr]      Running /target/debug/deps/beam_code-8a75d72638f87571
Dec 01 16:07:30.627 INFO [stdout] 
Dec 01 16:07:30.627 INFO [stdout] running 0 tests
Dec 01 16:07:30.627 INFO [stdout] 
Dec 01 16:07:30.627 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 01 16:07:30.627 INFO [stdout] 
Dec 01 16:07:30.631 INFO [stderr]      Running /target/debug/deps/beam_code-6260c68ef5433889
Dec 01 16:07:30.634 INFO [stderr]    Doc-tests beam_code
Dec 01 16:07:30.634 INFO [stdout] 
Dec 01 16:07:30.634 INFO [stdout] running 0 tests
Dec 01 16:07:30.634 INFO [stdout] 
Dec 01 16:07:30.634 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 01 16:07:30.634 INFO [stdout] 
Dec 01 16:07:32.615 INFO [stdout] 
Dec 01 16:07:32.615 INFO [stdout] running 0 tests
Dec 01 16:07:32.615 INFO [stdout] 
Dec 01 16:07:32.615 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 01 16:07:32.615 INFO [stdout] 
Dec 01 16:07:32.632 INFO [stderr] su: No module specific data is present
Dec 01 16:07:33.235 INFO running `"docker" "inspect" "9b5be0ea8bfec37a7a75491a95af4e51e835ce69adb10a0887c60935c8fef068"`
Dec 01 16:07:33.536 INFO running `"docker" "rm" "-f" "9b5be0ea8bfec37a7a75491a95af4e51e835ce69adb10a0887c60935c8fef068"`
Dec 01 16:07:33.819 INFO [stdout] 9b5be0ea8bfec37a7a75491a95af4e51e835ce69adb10a0887c60935c8fef068
