[INFO] crate palladium 0.0.26 is already in cache
[INFO] testing palladium-0.0.26 against 1.45.2 for beta-1.46-1
[INFO] extracting crate palladium 0.0.26 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate palladium 0.0.26 on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate palladium 0.0.26
[INFO] finished tweaking crates.io crate palladium 0.0.26
[INFO] tweaked toml for crates.io crate palladium 0.0.26 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 169e1b37b4c1e227d178eeaf64ceefa989646e21124a882061c4c34b29567326
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "169e1b37b4c1e227d178eeaf64ceefa989646e21124a882061c4c34b29567326", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "169e1b37b4c1e227d178eeaf64ceefa989646e21124a882061c4c34b29567326", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "169e1b37b4c1e227d178eeaf64ceefa989646e21124a882061c4c34b29567326", kill_on_drop: false }`
[INFO] [stdout] 169e1b37b4c1e227d178eeaf64ceefa989646e21124a882061c4c34b29567326
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 59729836511efe54559d76385e955d38a19eaecea2c32fc0b793cc9783cf778f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "59729836511efe54559d76385e955d38a19eaecea2c32fc0b793cc9783cf778f", kill_on_drop: false }`
[INFO] [stderr]    Compiling yaml-rust v0.3.5
[INFO] [stderr]    Compiling bincode v1.3.1
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stderr]    Compiling uuid v0.7.4
[INFO] [stderr]    Compiling clap v2.33.2
[INFO] [stderr]    Compiling iridium v0.0.33
[INFO] [stderr]    Compiling palladium v0.0.26 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'tag_s': Please use `tag` instead
[INFO] [stdout]   --> src/factor_parsers.rs:51:1
[INFO] [stdout]    |
[INFO] [stdout] 51 | / named!(pub factor<CompleteStr, Token>,
[INFO] [stdout] 52 | |     ws!(
[INFO] [stdout] 53 | |         do_parse!(
[INFO] [stdout] 54 | |             f: alt!(
[INFO] [stdout] ...  |
[INFO] [stdout] 65 | |     )
[INFO] [stdout] 66 | | );
[INFO] [stdout]    | |__^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'tag_s': Please use `tag` instead
[INFO] [stdout]   --> src/factor_parsers.rs:51:1
[INFO] [stdout]    |
[INFO] [stdout] 51 | / named!(pub factor<CompleteStr, Token>,
[INFO] [stdout] 52 | |     ws!(
[INFO] [stdout] 53 | |         do_parse!(
[INFO] [stdout] 54 | |             f: alt!(
[INFO] [stdout] ...  |
[INFO] [stdout] 65 | |     )
[INFO] [stdout] 66 | | );
[INFO] [stdout]    | |__^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]  --> src/operator_parsers.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | /// Looks for any of the operands
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]   = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/operator_parsers.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokens::Token`
[INFO] [stdout]   --> src/operator_parsers.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |     use tokens::Token;
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `nom::types::CompleteStr`
[INFO] [stdout]   --> src/operator_parsers.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |     use nom::types::CompleteStr;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/expression_parsers.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/program_parsers.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/factor_parsers.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/term_parsers.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `AdditionOperator`
[INFO] [stdout]  --> src/tokens.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     AdditionOperator,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `SubtractionOperator`
[INFO] [stdout]  --> src/tokens.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     SubtractionOperator,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `MultiplicationOperator`
[INFO] [stdout]  --> src/tokens.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     MultiplicationOperator,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `DivisionOperator`
[INFO] [stdout]  --> src/tokens.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     DivisionOperator,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Integer`
[INFO] [stdout]  --> src/tokens.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Integer{ value: i64 },
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Float`
[INFO] [stdout]  --> src/tokens.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Float{ value: f64},
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Factor`
[INFO] [stdout]  --> src/tokens.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     Factor{ value: Box<Token> },
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Term`
[INFO] [stdout]   --> src/tokens.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Term{ left: Box<Token>, right: Vec<(Token, Token)> },
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Expression`
[INFO] [stdout]   --> src/tokens.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     Expression{ left: Box<Token>, right: Vec<(Token, Token)> },
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Program`
[INFO] [stdout]   --> src/tokens.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     Program{ expressions: Vec<Token> }
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `assembler`
[INFO] [stdout]   --> src/visitor.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     assembler: Assembler,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/visitor.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn new() -> Compiler {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `compile`
[INFO] [stdout]   --> src/visitor.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn compile(&mut self) -> Vec<u8> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `print_asm`
[INFO] [stdout]   --> src/visitor.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn print_asm(&self) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `print_used_registers`
[INFO] [stdout]   --> src/visitor.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub fn print_used_registers(&self) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `print_free_registers`
[INFO] [stdout]   --> src/visitor.rs:55:12
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn print_free_registers(&self) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `generate_test_program`
[INFO] [stdout]    --> src/visitor.rs:159:8
[INFO] [stdout]     |
[INFO] [stdout] 159 |     fn generate_test_program(expr: &str) -> Token {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 27 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.88s
[INFO] running `Command { std: "docker" "inspect" "59729836511efe54559d76385e955d38a19eaecea2c32fc0b793cc9783cf778f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59729836511efe54559d76385e955d38a19eaecea2c32fc0b793cc9783cf778f", kill_on_drop: false }`
[INFO] [stdout] 59729836511efe54559d76385e955d38a19eaecea2c32fc0b793cc9783cf778f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2cfc5f5c4493dc10561e2bbfa77ec4c4c26d7aaff2a6027acd2c864dcec08beb
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2cfc5f5c4493dc10561e2bbfa77ec4c4c26d7aaff2a6027acd2c864dcec08beb", kill_on_drop: false }`
[INFO] [stderr]    Compiling palladium v0.0.26 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'tag_s': Please use `tag` instead
[INFO] [stdout]   --> src/factor_parsers.rs:51:1
[INFO] [stdout]    |
[INFO] [stdout] 51 | / named!(pub factor<CompleteStr, Token>,
[INFO] [stdout] 52 | |     ws!(
[INFO] [stdout] 53 | |         do_parse!(
[INFO] [stdout] 54 | |             f: alt!(
[INFO] [stdout] ...  |
[INFO] [stdout] 65 | |     )
[INFO] [stdout] 66 | | );
[INFO] [stdout]    | |__^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'tag_s': Please use `tag` instead
[INFO] [stdout]   --> src/factor_parsers.rs:51:1
[INFO] [stdout]    |
[INFO] [stdout] 51 | / named!(pub factor<CompleteStr, Token>,
[INFO] [stdout] 52 | |     ws!(
[INFO] [stdout] 53 | |         do_parse!(
[INFO] [stdout] 54 | |             f: alt!(
[INFO] [stdout] ...  |
[INFO] [stdout] 65 | |     )
[INFO] [stdout] 66 | | );
[INFO] [stdout]    | |__^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]  --> src/operator_parsers.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | /// Looks for any of the operands
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]   = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bytecode`
[INFO] [stdout]    --> src/visitor.rs:184:13
[INFO] [stdout]     |
[INFO] [stdout] 184 |         let bytecode = compiler.compile();
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bytecode`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bytecode`
[INFO] [stdout]    --> src/visitor.rs:192:13
[INFO] [stdout]     |
[INFO] [stdout] 192 |         let bytecode = compiler.compile();
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bytecode`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parsed_o`
[INFO] [stdout]   --> src/factor_parsers.rs:83:17
[INFO] [stdout]    |
[INFO] [stdout] 83 |             let parsed_o = o.parse::<f64>().unwrap();
[INFO] [stdout]    |                 ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_parsed_o`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parsed_o`
[INFO] [stdout]   --> src/factor_parsers.rs:93:17
[INFO] [stdout]    |
[INFO] [stdout] 93 |             let parsed_o = o.parse::<i64>().unwrap();
[INFO] [stdout]    |                 ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_parsed_o`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `print_asm`
[INFO] [stdout]   --> src/visitor.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn print_asm(&self) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `print_used_registers`
[INFO] [stdout]   --> src/visitor.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub fn print_used_registers(&self) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `print_free_registers`
[INFO] [stdout]   --> src/visitor.rs:55:12
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn print_free_registers(&self) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.83s
[INFO] running `Command { std: "docker" "inspect" "2cfc5f5c4493dc10561e2bbfa77ec4c4c26d7aaff2a6027acd2c864dcec08beb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cfc5f5c4493dc10561e2bbfa77ec4c4c26d7aaff2a6027acd2c864dcec08beb", kill_on_drop: false }`
[INFO] [stdout] 2cfc5f5c4493dc10561e2bbfa77ec4c4c26d7aaff2a6027acd2c864dcec08beb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 35b4f06475232cd15eeed449f1d4742a53e9e9716ba1845bf182384f17cecd20
[INFO] running `Command { std: "docker" "start" "-a" "35b4f06475232cd15eeed449f1d4742a53e9e9716ba1845bf182384f17cecd20", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated item 'tag_s': Please use `tag` instead
[INFO] [stderr]   --> src/factor_parsers.rs:51:1
[INFO] [stderr]    |
[INFO] [stderr] 51 | / named!(pub factor<CompleteStr, Token>,
[INFO] [stderr] 52 | |     ws!(
[INFO] [stderr] 53 | |         do_parse!(
[INFO] [stderr] 54 | |             f: alt!(
[INFO] [stderr] ...  |
[INFO] [stderr] 65 | |     )
[INFO] [stderr] 66 | | );
[INFO] [stderr]    | |__^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'tag_s': Please use `tag` instead
[INFO] [stderr]   --> src/factor_parsers.rs:51:1
[INFO] [stderr]    |
[INFO] [stderr] 51 | / named!(pub factor<CompleteStr, Token>,
[INFO] [stderr] 52 | |     ws!(
[INFO] [stderr] 53 | |         do_parse!(
[INFO] [stderr] 54 | |             f: alt!(
[INFO] [stderr] ...  |
[INFO] [stderr] 65 | |     )
[INFO] [stderr] 66 | | );
[INFO] [stderr]    | |__^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]  --> src/operator_parsers.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | /// Looks for any of the operands
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr]   = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `bytecode`
[INFO] [stderr]    --> src/visitor.rs:184:13
[INFO] [stderr]     |
[INFO] [stderr] 184 |         let bytecode = compiler.compile();
[INFO] [stderr]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bytecode`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `bytecode`
[INFO] [stderr]    --> src/visitor.rs:192:13
[INFO] [stderr]     |
[INFO] [stderr] 192 |         let bytecode = compiler.compile();
[INFO] [stderr]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bytecode`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `parsed_o`
[INFO] [stderr]   --> src/factor_parsers.rs:83:17
[INFO] [stderr]    |
[INFO] [stderr] 83 |             let parsed_o = o.parse::<f64>().unwrap();
[INFO] [stderr]    |                 ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_parsed_o`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `parsed_o`
[INFO] [stderr]   --> src/factor_parsers.rs:93:17
[INFO] [stderr]    |
[INFO] [stderr] 93 |             let parsed_o = o.parse::<i64>().unwrap();
[INFO] [stderr]    |                 ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_parsed_o`
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `print_asm`
[INFO] [stderr]   --> src/visitor.rs:40:12
[INFO] [stderr]    |
[INFO] [stderr] 40 |     pub fn print_asm(&self) {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `print_used_registers`
[INFO] [stderr]   --> src/visitor.rs:46:12
[INFO] [stderr]    |
[INFO] [stderr] 46 |     pub fn print_used_registers(&self) {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `print_free_registers`
[INFO] [stderr]   --> src/visitor.rs:55:12
[INFO] [stderr]    |
[INFO] [stderr] 55 |     pub fn print_free_registers(&self) {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 10 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.23s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/palladium-451190a2b742260e
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test factor_parsers::tests::test_parse_integer ... ok
[INFO] [stdout] test expression_parsers::tests::test_parse_expression ... ok
[INFO] [stdout] test factor_parsers::tests::test_parse_floats ... ok
[INFO] [stdout] test operator_parsers::tests::test_parse_addition_operator ... ok
[INFO] [stdout] test expression_parsers::tests::test_parse_nested_expression ... ok
[INFO] [stdout] test factor_parsers::tests::test_factor ... ok
[INFO] [stdout] test operator_parsers::tests::test_parse_division_operator ... ok
[INFO] [stdout] test operator_parsers::tests::test_parse_multiplication_operator ... ok
[INFO] [stdout] test operator_parsers::tests::test_parse_subtraction_operator ... ok
[INFO] [stdout] test term_parsers::tests::test_parse_term ... ok
[INFO] [stdout] test operator_parsers::tests::test_parse_operator ... ok
[INFO] [stdout] test program_parsers::tests::test_parse_program ... ok
[INFO] [stdout] test program_parsers::tests::test_parse_nested_program ... ok
[INFO] [stdout] test visitor::tests::test_visit_subtraction_token ... ok
[INFO] [stdout] test term_parsers::tests::test_parse_nested_term ... ok
[INFO] [stdout] test visitor::tests::test_nested_operators ... ok
[INFO] [stdout] test visitor::tests::test_visit_addition_token ... ok
[INFO] [stdout] test term_parsers::tests::test_parse_really_nested_term ... ok
[INFO] [stdout] test visitor::tests::test_visit_multiplication_token ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "35b4f06475232cd15eeed449f1d4742a53e9e9716ba1845bf182384f17cecd20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35b4f06475232cd15eeed449f1d4742a53e9e9716ba1845bf182384f17cecd20", kill_on_drop: false }`
[INFO] [stdout] 35b4f06475232cd15eeed449f1d4742a53e9e9716ba1845bf182384f17cecd20