[INFO] updating cached repository https://github.com/oeb25/lo
[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] 755e067454ad3cc9c7c199fe2c905908c3468b0d
[INFO] checking oeb25/lo against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foeb25%2Flo" "/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/oeb25/lo 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/oeb25/lo
[INFO] finished tweaking git repo https://github.com/oeb25/lo
[INFO] tweaked toml for git repo https://github.com/oeb25/lo written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/oeb25/lo 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] 7d3ee5653845f4a574d8812fd8614ebb8a673b72b4f010b75f5ed415685b0b71
[INFO] running `"docker" "start" "-a" "7d3ee5653845f4a574d8812fd8614ebb8a673b72b4f010b75f5ed415685b0b71"`
[INFO] [stderr]     Checking itertools v0.7.8
[INFO] [stderr]     Checking lo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused label
[INFO] [stderr]    --> src/parser.rs:499:5
[INFO] [stderr]     |
[INFO] [stderr] 499 |     'statement_loop: loop {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_labels)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Operator`
[INFO] [stderr]  --> src/typer.rs:2:62
[INFO] [stderr]   |
[INFO] [stderr] 2 |     Block, Expression, ExpressionKind, FunctionDef, Literal, Operator, Origin, Program,
[INFO] [stderr]   |                                                              ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:18:29
[INFO] [stderr]    |
[INFO] [stderr] 18 | fn main() -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused label
[INFO] [stderr]    --> src/parser.rs:499:5
[INFO] [stderr]     |
[INFO] [stderr] 499 |     'statement_loop: loop {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_labels)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Operator`
[INFO] [stderr]  --> src/typer.rs:2:62
[INFO] [stderr]   |
[INFO] [stderr] 2 |     Block, Expression, ExpressionKind, FunctionDef, Literal, Operator, Origin, Program,
[INFO] [stderr]   |                                                              ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/instruction.rs:213:43
[INFO] [stderr]     |
[INFO] [stderr] 213 |     for b in res.0.iter().enumerate().rev() {;
[INFO] [stderr]     |                                              ^ help: remove this semicolon
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:18:29
[INFO] [stderr]    |
[INFO] [stderr] 18 | fn main() -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `order_structs`
[INFO] [stderr]    --> src/ast.rs:186:5
[INFO] [stderr]     |
[INFO] [stderr] 186 |     fn order_structs(&self) -> Vec<&StructDef<'a>> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Index`
[INFO] [stderr]   --> src/c.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     Index(Box<Expression<'a>>, Box<Expression<'a>>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `FunctionCall`
[INFO] [stderr]   --> src/c.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     FunctionCall(Box<Expression<'a>>, Vec<Expression<'a>>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Add8`
[INFO] [stderr]    --> src/instruction.rs:137:2
[INFO] [stderr]     |
[INFO] [stderr] 137 |     Add8(Register, Register),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `order_structs`
[INFO] [stderr]    --> src/ast.rs:186:5
[INFO] [stderr]     |
[INFO] [stderr] 186 |     fn order_structs(&self) -> Vec<&StructDef<'a>> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Index`
[INFO] [stderr]   --> src/c.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     Index(Box<Expression<'a>>, Box<Expression<'a>>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `FunctionCall`
[INFO] [stderr]   --> src/c.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     FunctionCall(Box<Expression<'a>>, Vec<Expression<'a>>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/instruction.rs:115:2
[INFO] [stderr]     |
[INFO] [stderr] 115 |     fn new() -> Bytes<B> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Store`
[INFO] [stderr]    --> src/instruction.rs:136:2
[INFO] [stderr]     |
[INFO] [stderr] 136 |     Store(Register, B),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Add8`
[INFO] [stderr]    --> src/instruction.rs:137:2
[INFO] [stderr]     |
[INFO] [stderr] 137 |     Add8(Register, Register),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `AddF2`
[INFO] [stderr]    --> src/instruction.rs:138:2
[INFO] [stderr]     |
[INFO] [stderr] 138 |     AddF2(Register, Register),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Save`
[INFO] [stderr]    --> src/instruction.rs:139:2
[INFO] [stderr]     |
[INFO] [stderr] 139 |     Save(Register),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Jump`
[INFO] [stderr]    --> src/instruction.rs:140:2
[INFO] [stderr]     |
[INFO] [stderr] 140 |     Jump(Register),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Print`
[INFO] [stderr]    --> src/instruction.rs:141:2
[INFO] [stderr]     |
[INFO] [stderr] 141 |     Print(Register),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]    --> src/instruction.rs:144:4
[INFO] [stderr]     |
[INFO] [stderr] 144 | fn run<B: Byte>(instructions: &[Instruction<B>]) -> Bytes<B> {
[INFO] [stderr]     |    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 14 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.34s
[INFO] running `"docker" "inspect" "7d3ee5653845f4a574d8812fd8614ebb8a673b72b4f010b75f5ed415685b0b71"`
[INFO] running `"docker" "rm" "-f" "7d3ee5653845f4a574d8812fd8614ebb8a673b72b4f010b75f5ed415685b0b71"`
[INFO] [stdout] 7d3ee5653845f4a574d8812fd8614ebb8a673b72b4f010b75f5ed415685b0b71