[INFO] crate libcw 0.1.1 is already in cache
[INFO] testing libcw-0.1.1 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate libcw 0.1.1 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate libcw 0.1.1 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libcw 0.1.1
[INFO] finished tweaking crates.io crate libcw 0.1.1
[INFO] tweaked toml for crates.io crate libcw 0.1.1 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "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" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 48756e81ad7a3cd79d16a5c4c7e3676d84ccacdc676773808153f95d4b7ad8b3
[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" "48756e81ad7a3cd79d16a5c4c7e3676d84ccacdc676773808153f95d4b7ad8b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "48756e81ad7a3cd79d16a5c4c7e3676d84ccacdc676773808153f95d4b7ad8b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48756e81ad7a3cd79d16a5c4c7e3676d84ccacdc676773808153f95d4b7ad8b3", kill_on_drop: false }`
[INFO] [stdout] 48756e81ad7a3cd79d16a5c4c7e3676d84ccacdc676773808153f95d4b7ad8b3
[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" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9ac14aeacd38f6e9daec08853553c3a582dd09b3ea0e298e1baa289302d8b302
[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" "9ac14aeacd38f6e9daec08853553c3a582dd09b3ea0e298e1baa289302d8b302", kill_on_drop: false }`
[INFO] [stderr]    Compiling libcw v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/simulation/mars.rs:482:13
[INFO] [stdout]     |
[INFO] [stdout] 482 |             (base.wrapping_sub(-offset as Address) % self.size() as Address)
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/simulation/mars.rs:484:13
[INFO] [stdout]     |
[INFO] [stdout] 484 |             (base.wrapping_add(offset as Address) % self.size() as Address)
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/lib.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[macro_use] extern crate lazy_static;
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/parser.rs:128:5
[INFO] [stdout]     |
[INFO] [stdout] 127 |     unimplemented!();
[INFO] [stdout]     |     ----------------- any code following this expression is unreachable
[INFO] [stdout] 128 |     Ok(())
[INFO] [stdout]     |     ^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `program_str`
[INFO] [stdout]    --> src/parser.rs:124:17
[INFO] [stdout]     |
[INFO] [stdout] 124 | fn lex_into<'a>(program_str: &'a str, buf: &'a mut Vec<Token>)
[INFO] [stdout]     |                 ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_program_str`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buf`
[INFO] [stdout]    --> src/parser.rs:124:39
[INFO] [stdout]     |
[INFO] [stdout] 124 | fn lex_into<'a>(program_str: &'a str, buf: &'a mut Vec<Token>)
[INFO] [stdout]     |                                       ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `store_pspace`
[INFO] [stdout]    --> src/simulation/mars.rs:628:8
[INFO] [stdout]     |
[INFO] [stdout] 628 |     fn store_pspace(&mut self, pin: Pin, addr: Address, value: Value)
[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: `store_effective_a`
[INFO] [stdout]    --> src/simulation/mars.rs:644:8
[INFO] [stdout]     |
[INFO] [stdout] 644 |     fn store_effective_a(&mut self, instr: T)
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `fetch_pspace`
[INFO] [stdout]    --> src/simulation/mars.rs:675:8
[INFO] [stdout]     |
[INFO] [stdout] 675 |     fn fetch_pspace(&self, pin: Pin, addr: Address) -> Value
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "9ac14aeacd38f6e9daec08853553c3a582dd09b3ea0e298e1baa289302d8b302", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ac14aeacd38f6e9daec08853553c3a582dd09b3ea0e298e1baa289302d8b302", kill_on_drop: false }`
[INFO] [stdout] 9ac14aeacd38f6e9daec08853553c3a582dd09b3ea0e298e1baa289302d8b302
[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" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6965e79ddfb21fb86d2d04f1c1a6c2e730d5a29deacc4afcfc4fcc4f1d5fc25d
[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" "6965e79ddfb21fb86d2d04f1c1a6c2e730d5a29deacc4afcfc4fcc4f1d5fc25d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libcw v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/simulation/mars.rs:482:13
[INFO] [stdout]     |
[INFO] [stdout] 482 |             (base.wrapping_sub(-offset as Address) % self.size() as Address)
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/simulation/mars.rs:484:13
[INFO] [stdout]     |
[INFO] [stdout] 484 |             (base.wrapping_add(offset as Address) % self.size() as Address)
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/lib.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[macro_use] extern crate lazy_static;
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/parser.rs:128:5
[INFO] [stdout]     |
[INFO] [stdout] 127 |     unimplemented!();
[INFO] [stdout]     |     ----------------- any code following this expression is unreachable
[INFO] [stdout] 128 |     Ok(())
[INFO] [stdout]     |     ^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `program_str`
[INFO] [stdout]    --> src/parser.rs:124:17
[INFO] [stdout]     |
[INFO] [stdout] 124 | fn lex_into<'a>(program_str: &'a str, buf: &'a mut Vec<Token>)
[INFO] [stdout]     |                 ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_program_str`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buf`
[INFO] [stdout]    --> src/parser.rs:124:39
[INFO] [stdout]     |
[INFO] [stdout] 124 | fn lex_into<'a>(program_str: &'a str, buf: &'a mut Vec<Token>)
[INFO] [stdout]     |                                       ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `store_pspace`
[INFO] [stdout]    --> src/simulation/mars.rs:628:8
[INFO] [stdout]     |
[INFO] [stdout] 628 |     fn store_pspace(&mut self, pin: Pin, addr: Address, value: Value)
[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: `store_effective_a`
[INFO] [stdout]    --> src/simulation/mars.rs:644:8
[INFO] [stdout]     |
[INFO] [stdout] 644 |     fn store_effective_a(&mut self, instr: T)
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `fetch_pspace`
[INFO] [stdout]    --> src/simulation/mars.rs:675:8
[INFO] [stdout]     |
[INFO] [stdout] 675 |     fn fetch_pspace(&self, pin: Pin, addr: Address) -> Value
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/simulation/mars.rs:482:13
[INFO] [stdout]     |
[INFO] [stdout] 482 |             (base.wrapping_sub(-offset as Address) % self.size() as Address)
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/simulation/mars.rs:484:13
[INFO] [stdout]     |
[INFO] [stdout] 484 |             (base.wrapping_add(offset as Address) % self.size() as Address)
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/lib.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[macro_use] extern crate lazy_static;
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/parser.rs:128:5
[INFO] [stdout]     |
[INFO] [stdout] 127 |     unimplemented!();
[INFO] [stdout]     |     ----------------- any code following this expression is unreachable
[INFO] [stdout] 128 |     Ok(())
[INFO] [stdout]     |     ^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `program_str`
[INFO] [stdout]    --> src/parser.rs:124:17
[INFO] [stdout]     |
[INFO] [stdout] 124 | fn lex_into<'a>(program_str: &'a str, buf: &'a mut Vec<Token>)
[INFO] [stdout]     |                 ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_program_str`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buf`
[INFO] [stdout]    --> src/parser.rs:124:39
[INFO] [stdout]     |
[INFO] [stdout] 124 | fn lex_into<'a>(program_str: &'a str, buf: &'a mut Vec<Token>)
[INFO] [stdout]     |                                       ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `store_pspace`
[INFO] [stdout]    --> src/simulation/mars.rs:628:8
[INFO] [stdout]     |
[INFO] [stdout] 628 |     fn store_pspace(&mut self, pin: Pin, addr: Address, value: Value)
[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: `store_effective_a`
[INFO] [stdout]    --> src/simulation/mars.rs:644:8
[INFO] [stdout]     |
[INFO] [stdout] 644 |     fn store_effective_a(&mut self, instr: T)
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `fetch_pspace`
[INFO] [stdout]    --> src/simulation/mars.rs:675:8
[INFO] [stdout]     |
[INFO] [stdout] 675 |     fn fetch_pspace(&self, pin: Pin, addr: Address) -> Value
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.60s
[INFO] running `Command { std: "docker" "inspect" "6965e79ddfb21fb86d2d04f1c1a6c2e730d5a29deacc4afcfc4fcc4f1d5fc25d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6965e79ddfb21fb86d2d04f1c1a6c2e730d5a29deacc4afcfc4fcc4f1d5fc25d", kill_on_drop: false }`
[INFO] [stdout] 6965e79ddfb21fb86d2d04f1c1a6c2e730d5a29deacc4afcfc4fcc4f1d5fc25d
[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" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3d122330354401c0ab9d500782d793b942401b980d0487328e2b2730d6198d14
[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" "3d122330354401c0ab9d500782d793b942401b980d0487328e2b2730d6198d14", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/simulation/mars.rs:482:13
[INFO] [stderr]     |
[INFO] [stderr] 482 |             (base.wrapping_sub(-offset as Address) % self.size() as Address)
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/simulation/mars.rs:484:13
[INFO] [stderr]     |
[INFO] [stderr] 484 |             (base.wrapping_add(offset as Address) % self.size() as Address)
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]   --> src/lib.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | #[macro_use] extern crate lazy_static;
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/parser.rs:128:5
[INFO] [stderr]     |
[INFO] [stderr] 127 |     unimplemented!();
[INFO] [stderr]     |     ----------------- any code following this expression is unreachable
[INFO] [stderr] 128 |     Ok(())
[INFO] [stderr]     |     ^^^^^^ unreachable expression
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `program_str`
[INFO] [stderr]    --> src/parser.rs:124:17
[INFO] [stderr]     |
[INFO] [stderr] 124 | fn lex_into<'a>(program_str: &'a str, buf: &'a mut Vec<Token>)
[INFO] [stderr]     |                 ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_program_str`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `buf`
[INFO] [stderr]    --> src/parser.rs:124:39
[INFO] [stderr]     |
[INFO] [stderr] 124 | fn lex_into<'a>(program_str: &'a str, buf: &'a mut Vec<Token>)
[INFO] [stderr]     |                                       ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `store_pspace`
[INFO] [stderr]    --> src/simulation/mars.rs:628:8
[INFO] [stderr]     |
[INFO] [stderr] 628 |     fn store_pspace(&mut self, pin: Pin, addr: Address, value: Value)
[INFO] [stderr]     |        ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `store_effective_a`
[INFO] [stderr]    --> src/simulation/mars.rs:644:8
[INFO] [stderr]     |
[INFO] [stderr] 644 |     fn store_effective_a(&mut self, instr: T)
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `fetch_pspace`
[INFO] [stderr]    --> src/simulation/mars.rs:675:8
[INFO] [stderr]     |
[INFO] [stderr] 675 |     fn fetch_pspace(&self, pin: Pin, addr: Address) -> Value
[INFO] [stderr]     |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/simulation/mars.rs:482:13
[INFO] [stderr]     |
[INFO] [stderr] 482 |             (base.wrapping_sub(-offset as Address) % self.size() as Address)
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/simulation/mars.rs:484:13
[INFO] [stderr]     |
[INFO] [stderr] 484 |             (base.wrapping_add(offset as Address) % self.size() as Address)
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]   --> src/lib.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | #[macro_use] extern crate lazy_static;
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/parser.rs:128:5
[INFO] [stderr]     |
[INFO] [stderr] 127 |     unimplemented!();
[INFO] [stderr]     |     ----------------- any code following this expression is unreachable
[INFO] [stderr] 128 |     Ok(())
[INFO] [stderr]     |     ^^^^^^ unreachable expression
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `program_str`
[INFO] [stderr]    --> src/parser.rs:124:17
[INFO] [stderr]     |
[INFO] [stderr] 124 | fn lex_into<'a>(program_str: &'a str, buf: &'a mut Vec<Token>)
[INFO] [stderr]     |                 ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_program_str`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `buf`
[INFO] [stderr]    --> src/parser.rs:124:39
[INFO] [stderr]     |
[INFO] [stderr] 124 | fn lex_into<'a>(program_str: &'a str, buf: &'a mut Vec<Token>)
[INFO] [stderr]     |                                       ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `store_pspace`
[INFO] [stderr]    --> src/simulation/mars.rs:628:8
[INFO] [stderr]     |
[INFO] [stderr] 628 |     fn store_pspace(&mut self, pin: Pin, addr: Address, value: Value)
[INFO] [stderr]     |        ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `store_effective_a`
[INFO] [stderr]    --> src/simulation/mars.rs:644:8
[INFO] [stderr]     |
[INFO] [stderr] 644 |     fn store_effective_a(&mut self, instr: T)
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `fetch_pspace`
[INFO] [stderr]    --> src/simulation/mars.rs:675:8
[INFO] [stderr]     |
[INFO] [stderr] 675 |     fn fetch_pspace(&self, pin: Pin, addr: Address) -> Value
[INFO] [stderr]     |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/libcw-fa181ea27d54fda8
[INFO] [stdout] 
[INFO] [stdout] running 22 tests
[INFO] [stdout] test simulation::builder::test_builder::test_size_set ... ok
[INFO] [stdout] test simulation::builder::test_builder::test_max_cycles_set ... ok
[INFO] [stdout] test simulation::builder::test_builder::test_build_mars_is_halted ... ok
[INFO] [stdout] test simulation::mars::test::test_load_batch_load_fails_invalid_distance ... ignored
[INFO] [stdout] test simulation::builder::test_builder::test_max_length_set ... ok
[INFO] [stdout] test simulation::builder::test_builder::test_max_processes_set ... ok
[INFO] [stdout] test simulation::builder::test_builder::test_min_distance_set ... ok
[INFO] [stdout] test simulation::mars::test::test_load_batch_fails_empty_vector ... ok
[INFO] [stdout] test simulation::builder::test_builder::test_pspace_size_set ... ok
[INFO] [stdout] test simulation::mars::test::test_mov_a_mode ... ok
[INFO] [stdout] test simulation::builder::test_builder::test_version_set ... ok
[INFO] [stdout] test simulation::mars::test::test_mov_i_mode ... ok
[INFO] [stdout] test simulation::mars::test::test_mov_ab_mode ... ok
[INFO] [stdout] test simulation::mars::test::test_mov_b_mode ... ok
[INFO] [stdout] test simulation::mars::test::test_seq_i_mode ... ok
[INFO] [stdout] test simulation::mars::test::test_mov_f_mode ... ok
[INFO] [stdout] test simulation::mars::test::test_mov_ba_mode ... ok
[INFO] [stdout] test simulation::mars::test::test_mov_x_mode ... ok
[INFO] [stdout] test simulation::mars::test::test_step_errors_when_halted ... ok
[INFO] [stdout] test simulation::mars::test::test_dat ... ok
[INFO] [stdout] test simulation::mars::test::test_batch_load_succeeds ... ok
[INFO] [stdout] test simulation::mars::test::test_spl_cant_create_more_than_max_processes ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 21 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests libcw
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3d122330354401c0ab9d500782d793b942401b980d0487328e2b2730d6198d14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d122330354401c0ab9d500782d793b942401b980d0487328e2b2730d6198d14", kill_on_drop: false }`
[INFO] [stdout] 3d122330354401c0ab9d500782d793b942401b980d0487328e2b2730d6198d14