[INFO] updating cached repository https://github.com/sfuller/snas
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] aab5435c5aa435a5e3c8a06b97b3396d0c862f58
[INFO] checking sfuller/snas against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsfuller%2Fsnas" "/workspace/builds/worker-5/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sfuller/snas on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/sfuller/snas
[INFO] finished tweaking git repo https://github.com/sfuller/snas
[INFO] tweaked toml for git repo https://github.com/sfuller/snas written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/sfuller/snas already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d88b95f08a1da6581244fb8865a1351b6a13a769828918366ba566a3e4340f51
[INFO] running `"docker" "start" "-a" "d88b95f08a1da6581244fb8865a1351b6a13a769828918366ba566a3e4340f51"`
[INFO] [stderr]     Checking snas v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/parser.rs:20:40
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub fn parse(&mut self) -> Vec<Box<SyntaxNode>> {
[INFO] [stderr]    |                                        ^^^^^^^^^^ help: use `dyn`: `dyn SyntaxNode`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/parser.rs:21:31
[INFO] [stderr]    |
[INFO] [stderr] 21 |         let mut ast : Vec<Box<SyntaxNode>> = Vec::new();
[INFO] [stderr]    |                               ^^^^^^^^^^ help: use `dyn`: `dyn SyntaxNode`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/parser.rs:36:43
[INFO] [stderr]    |
[INFO] [stderr] 36 |             let mut arguments = Vec::<Box<Expression>>::new();
[INFO] [stderr]    |                                           ^^^^^^^^^^ help: use `dyn`: `dyn Expression`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/parser.rs:58:43
[INFO] [stderr]    |
[INFO] [stderr] 58 |     fn parse_expression(&mut self) -> Box<Expression> {
[INFO] [stderr]    |                                           ^^^^^^^^^^ help: use `dyn`: `dyn Expression`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/parser.rs:60:30
[INFO] [stderr]    |
[INFO] [stderr] 60 |         let expression : Box<Expression>;
[INFO] [stderr]    |                              ^^^^^^^^^^ help: use `dyn`: `dyn Expression`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/parser.rs:71:55
[INFO] [stderr]    |
[INFO] [stderr] 71 |     fn parse_identifier_token(&self, id: &str) -> Box<Expression> {
[INFO] [stderr]    |                                                       ^^^^^^^^^^ help: use `dyn`: `dyn Expression`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/ast/syntax_node_visitor.rs:7:43
[INFO] [stderr]   |
[INFO] [stderr] 7 |     fn visit_expression(&mut self, node: &Expression);
[INFO] [stderr]   |                                           ^^^^^^^^^^ help: use `dyn`: `dyn Expression`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ast/visitors/print_snv.rs:13:43
[INFO] [stderr]    |
[INFO] [stderr] 13 |     fn visit_expression(&mut self, node: &Expression) {
[INFO] [stderr]    |                                           ^^^^^^^^^^ help: use `dyn`: `dyn Expression`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ast/mod.rs:10:36
[INFO] [stderr]    |
[INFO] [stderr] 10 |     fn accept(&self, visitor: &mut SyntaxNodeVisitor);
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn SyntaxNodeVisitor`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ast/mod.rs:15:24
[INFO] [stderr]    |
[INFO] [stderr] 15 |     arguments: Vec<Box<Expression>>
[INFO] [stderr]    |                        ^^^^^^^^^^ help: use `dyn`: `dyn Expression`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ast/mod.rs:19:61
[INFO] [stderr]    |
[INFO] [stderr] 19 |     pub fn new(instruction: Instruction, arguments: Vec<Box<Expression>>) -> InstructionSyntaxNode {
[INFO] [stderr]    |                                                             ^^^^^^^^^^ help: use `dyn`: `dyn Expression`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ast/mod.rs:28:36
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn accept(&self, visitor: &mut SyntaxNodeVisitor) {
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn SyntaxNodeVisitor`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/parser.rs:20:40
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub fn parse(&mut self) -> Vec<Box<SyntaxNode>> {
[INFO] [stderr]    |                                        ^^^^^^^^^^ help: use `dyn`: `dyn SyntaxNode`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/parser.rs:21:31
[INFO] [stderr]    |
[INFO] [stderr] 21 |         let mut ast : Vec<Box<SyntaxNode>> = Vec::new();
[INFO] [stderr]    |                               ^^^^^^^^^^ help: use `dyn`: `dyn SyntaxNode`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/parser.rs:36:43
[INFO] [stderr]    |
[INFO] [stderr] 36 |             let mut arguments = Vec::<Box<Expression>>::new();
[INFO] [stderr]    |                                           ^^^^^^^^^^ help: use `dyn`: `dyn Expression`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/parser.rs:58:43
[INFO] [stderr]    |
[INFO] [stderr] 58 |     fn parse_expression(&mut self) -> Box<Expression> {
[INFO] [stderr]    |                                           ^^^^^^^^^^ help: use `dyn`: `dyn Expression`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/parser.rs:60:30
[INFO] [stderr]    |
[INFO] [stderr] 60 |         let expression : Box<Expression>;
[INFO] [stderr]    |                              ^^^^^^^^^^ help: use `dyn`: `dyn Expression`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/parser.rs:71:55
[INFO] [stderr]    |
[INFO] [stderr] 71 |     fn parse_identifier_token(&self, id: &str) -> Box<Expression> {
[INFO] [stderr]    |                                                       ^^^^^^^^^^ help: use `dyn`: `dyn Expression`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/ast/syntax_node_visitor.rs:7:43
[INFO] [stderr]   |
[INFO] [stderr] 7 |     fn visit_expression(&mut self, node: &Expression);
[INFO] [stderr]   |                                           ^^^^^^^^^^ help: use `dyn`: `dyn Expression`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ast/visitors/print_snv.rs:13:43
[INFO] [stderr]    |
[INFO] [stderr] 13 |     fn visit_expression(&mut self, node: &Expression) {
[INFO] [stderr]    |                                           ^^^^^^^^^^ help: use `dyn`: `dyn Expression`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ast/mod.rs:10:36
[INFO] [stderr]    |
[INFO] [stderr] 10 |     fn accept(&self, visitor: &mut SyntaxNodeVisitor);
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn SyntaxNodeVisitor`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ast/mod.rs:15:24
[INFO] [stderr]    |
[INFO] [stderr] 15 |     arguments: Vec<Box<Expression>>
[INFO] [stderr]    |                        ^^^^^^^^^^ help: use `dyn`: `dyn Expression`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ast/mod.rs:19:61
[INFO] [stderr]    |
[INFO] [stderr] 19 |     pub fn new(instruction: Instruction, arguments: Vec<Box<Expression>>) -> InstructionSyntaxNode {
[INFO] [stderr]    |                                                             ^^^^^^^^^^ help: use `dyn`: `dyn Expression`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ast/mod.rs:28:36
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn accept(&self, visitor: &mut SyntaxNodeVisitor) {
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn SyntaxNodeVisitor`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `node`
[INFO] [stderr]   --> src/ast/visitors/print_snv.rs:13:36
[INFO] [stderr]    |
[INFO] [stderr] 13 |     fn visit_expression(&mut self, node: &Expression) {
[INFO] [stderr]    |                                    ^^^^ help: if this is intentional, prefix it with an underscore: `_node`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `arguments`
[INFO] [stderr]   --> src/ast/mod.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     arguments: Vec<Box<Expression>>
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `number`
[INFO] [stderr]   --> src/ast/mod.rs:45:5
[INFO] [stderr]    |
[INFO] [stderr] 45 |     number: i32
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `id`
[INFO] [stderr]   --> src/ast/mod.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 55 |     id: String
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `register`
[INFO] [stderr]   --> src/ast/mod.rs:65:5
[INFO] [stderr]    |
[INFO] [stderr] 65 |     register: Register
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: static item is never used: `REGISTER_NAMES`
[INFO] [stderr]   --> src/lib.rs:54:1
[INFO] [stderr]    |
[INFO] [stderr] 54 | static REGISTER_NAMES : [&str; 8] = ["a", "x", "y", "p", "sp", "dp", "pc", "db"];
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `node`
[INFO] [stderr]   --> src/ast/visitors/print_snv.rs:13:36
[INFO] [stderr]    |
[INFO] [stderr] 13 |     fn visit_expression(&mut self, node: &Expression) {
[INFO] [stderr]    |                                    ^^^^ help: if this is intentional, prefix it with an underscore: `_node`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `arguments`
[INFO] [stderr]   --> src/ast/mod.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     arguments: Vec<Box<Expression>>
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `number`
[INFO] [stderr]   --> src/ast/mod.rs:45:5
[INFO] [stderr]    |
[INFO] [stderr] 45 |     number: i32
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `id`
[INFO] [stderr]   --> src/ast/mod.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 55 |     id: String
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `register`
[INFO] [stderr]   --> src/ast/mod.rs:65:5
[INFO] [stderr]    |
[INFO] [stderr] 65 |     register: Register
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: static item is never used: `REGISTER_NAMES`
[INFO] [stderr]   --> src/lib.rs:54:1
[INFO] [stderr]    |
[INFO] [stderr] 54 | static REGISTER_NAMES : [&str; 8] = ["a", "x", "y", "p", "sp", "dp", "pc", "db"];
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 18 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 18 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.53s
[INFO] running `"docker" "inspect" "d88b95f08a1da6581244fb8865a1351b6a13a769828918366ba566a3e4340f51"`
[INFO] running `"docker" "rm" "-f" "d88b95f08a1da6581244fb8865a1351b6a13a769828918366ba566a3e4340f51"`
[INFO] [stdout] d88b95f08a1da6581244fb8865a1351b6a13a769828918366ba566a3e4340f51