[INFO] cloning repository https://github.com/BryanCarloSolis/AS7
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BryanCarloSolis/AS7" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBryanCarloSolis%2FAS7", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBryanCarloSolis%2FAS7'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1deb2ed7582c8d26c88edfb71fa29657ff481ce3
[INFO] building BryanCarloSolis/AS7 against try#334963c956d25708feab489a3816ae63f639355d for pr-135216
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBryanCarloSolis%2FAS7" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/BryanCarloSolis/AS7 on toolchain 334963c956d25708feab489a3816ae63f639355d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/BryanCarloSolis/AS7
[INFO] finished tweaking git repo https://github.com/BryanCarloSolis/AS7
[INFO] tweaked toml for git repo https://github.com/BryanCarloSolis/AS7 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/BryanCarloSolis/AS7 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 93853f9dd9557cea3f9750d1a8a088f5fa87a019568466968db486da738e9e3a
[INFO] running `Command { std: "docker" "start" "-a" "93853f9dd9557cea3f9750d1a8a088f5fa87a019568466968db486da738e9e3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "93853f9dd9557cea3f9750d1a8a088f5fa87a019568466968db486da738e9e3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93853f9dd9557cea3f9750d1a8a088f5fa87a019568466968db486da738e9e3a", kill_on_drop: false }`
[INFO] [stdout] 93853f9dd9557cea3f9750d1a8a088f5fa87a019568466968db486da738e9e3a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1391e40f2aae1e0b4e338a8f480e9302806fb17009ac29425a3910d534d1a27b
[INFO] running `Command { std: "docker" "start" "-a" "1391e40f2aae1e0b4e338a8f480e9302806fb17009ac29425a3910d534d1a27b", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.0.0
[INFO] [stderr]    Compiling rum v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/startprogram/instr.rs:27:28
[INFO] [stdout]    |
[INFO] [stdout] 27 |                 let bits = ((1 << 3) - 1);
[INFO] [stdout]    |                            ^            ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 27 -                 let bits = ((1 << 3) - 1);
[INFO] [stdout] 27 +                 let bits = (1 << 3) - 1;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/startprogram/instr.rs:41:28
[INFO] [stdout]    |
[INFO] [stdout] 41 |                 let bits = ((1 << 3) - 1);
[INFO] [stdout]    |                            ^            ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 41 -                 let bits = ((1 << 3) - 1);
[INFO] [stdout] 41 +                 let bits = (1 << 3) - 1;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/startprogram/instr.rs:58:28
[INFO] [stdout]    |
[INFO] [stdout] 58 |                 let bits = ((1 << 3) - 1);
[INFO] [stdout]    |                            ^            ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 58 -                 let bits = ((1 << 3) - 1);
[INFO] [stdout] 58 +                 let bits = (1 << 3) - 1;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/startprogram/instr.rs:71:24
[INFO] [stdout]    |
[INFO] [stdout] 71 |             let bits = ((1 << 25) - 1);
[INFO] [stdout]    |                        ^             ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 71 -             let bits = ((1 << 25) - 1);
[INFO] [stdout] 71 +             let bits = (1 << 25) - 1;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/startprogram/instr.rs:85:24
[INFO] [stdout]    |
[INFO] [stdout] 85 |             let bits = ((1 << 4) - 1);
[INFO] [stdout]    |                        ^            ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 85 -             let bits = ((1 << 4) - 1);
[INFO] [stdout] 85 +             let bits = (1 << 4) - 1;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]  --> src/read_instr.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::env;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `mem_address` is never read
[INFO] [stdout]   --> src/uvm/seg.rs:22:17
[INFO] [stdout]    |
[INFO] [stdout] 22 |         let mut mem_address = 0;
[INFO] [stdout]    |                 ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/uvm.rs:137:17
[INFO] [stdout]     |
[INFO] [stdout] 137 |             Err(e) => panic!("Error reading input")
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]   --> src/uvm/seg.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 | /             mem::replace(
[INFO] [stdout] 32 | |                 self.allocated_heap.get_mut(mem_address)
[INFO] [stdout] 33 | |                     .unwrap(),
[INFO] [stdout] 34 | |                     vec![0_u32; size]
[INFO] [stdout] 35 | |             );
[INFO] [stdout]    | |_____________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 31 |             let _ = mem::replace(
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]   --> src/uvm/seg.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 | /         mem::replace(
[INFO] [stdout] 47 | |             self.allocated_heap.get_mut(0).unwrap(),
[INFO] [stdout] 48 | |             program
[INFO] [stdout] 49 | |         );
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 46 |         let _ = mem::replace(
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]   --> src/uvm/seg.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 | /         mem::replace(
[INFO] [stdout] 70 | |             self.allocated_heap.get_mut(address).unwrap().get_mut(index).unwrap(),
[INFO] [stdout] 71 | |             value
[INFO] [stdout] 72 | |         );
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 69 |         let _ = mem::replace(
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]   --> src/uvm/seg.rs:79:9
[INFO] [stdout]    |
[INFO] [stdout] 79 | /         mem::replace(
[INFO] [stdout] 80 | |             self.allocated_heap.get_mut(address).unwrap(),
[INFO] [stdout] 81 | |             Vec::new()
[INFO] [stdout] 82 | |         );
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 79 |         let _ = mem::replace(
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `Command { std: "docker" "inspect" "1391e40f2aae1e0b4e338a8f480e9302806fb17009ac29425a3910d534d1a27b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1391e40f2aae1e0b4e338a8f480e9302806fb17009ac29425a3910d534d1a27b", kill_on_drop: false }`
[INFO] [stdout] 1391e40f2aae1e0b4e338a8f480e9302806fb17009ac29425a3910d534d1a27b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c3140e9a40354c393b4ea8f85e917e76320e5aca80c652839dd49a3e56b81da9
[INFO] running `Command { std: "docker" "start" "-a" "c3140e9a40354c393b4ea8f85e917e76320e5aca80c652839dd49a3e56b81da9", kill_on_drop: false }`
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/startprogram/instr.rs:27:28
[INFO] [stdout]    |
[INFO] [stdout] 27 |                 let bits = ((1 << 3) - 1);
[INFO] [stdout]    |                            ^            ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 27 -                 let bits = ((1 << 3) - 1);
[INFO] [stdout] 27 +                 let bits = (1 << 3) - 1;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/startprogram/instr.rs:41:28
[INFO] [stdout]    |
[INFO] [stdout] 41 |                 let bits = ((1 << 3) - 1);
[INFO] [stdout]    |                            ^            ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 41 -                 let bits = ((1 << 3) - 1);
[INFO] [stdout] 41 +                 let bits = (1 << 3) - 1;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/startprogram/instr.rs:58:28
[INFO] [stdout]    |
[INFO] [stdout] 58 |                 let bits = ((1 << 3) - 1);
[INFO] [stdout]    |                            ^            ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 58 -                 let bits = ((1 << 3) - 1);
[INFO] [stdout] 58 +                 let bits = (1 << 3) - 1;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/startprogram/instr.rs:71:24
[INFO] [stdout]    |
[INFO] [stdout] 71 |             let bits = ((1 << 25) - 1);
[INFO] [stdout]    |                        ^             ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 71 -             let bits = ((1 << 25) - 1);
[INFO] [stdout] 71 +             let bits = (1 << 25) - 1;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/startprogram/instr.rs:85:24
[INFO] [stdout]    |
[INFO] [stdout] 85 |             let bits = ((1 << 4) - 1);
[INFO] [stdout]    |                        ^            ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 85 -             let bits = ((1 << 4) - 1);
[INFO] [stdout] 85 +             let bits = (1 << 4) - 1;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]  --> src/read_instr.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::env;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `mem_address` is never read
[INFO] [stdout]   --> src/uvm/seg.rs:22:17
[INFO] [stdout]    |
[INFO] [stdout] 22 |         let mut mem_address = 0;
[INFO] [stdout]    |                 ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/uvm.rs:137:17
[INFO] [stdout]     |
[INFO] [stdout] 137 |             Err(e) => panic!("Error reading input")
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]   --> src/uvm/seg.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 | /             mem::replace(
[INFO] [stdout] 32 | |                 self.allocated_heap.get_mut(mem_address)
[INFO] [stdout] 33 | |                     .unwrap(),
[INFO] [stdout] 34 | |                     vec![0_u32; size]
[INFO] [stdout] 35 | |             );
[INFO] [stdout]    | |_____________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 31 |             let _ = mem::replace(
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]   --> src/uvm/seg.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 | /         mem::replace(
[INFO] [stdout] 47 | |             self.allocated_heap.get_mut(0).unwrap(),
[INFO] [stdout] 48 | |             program
[INFO] [stdout] 49 | |         );
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 46 |         let _ = mem::replace(
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]   --> src/uvm/seg.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 | /         mem::replace(
[INFO] [stdout] 70 | |             self.allocated_heap.get_mut(address).unwrap().get_mut(index).unwrap(),
[INFO] [stdout] 71 | |             value
[INFO] [stdout] 72 | |         );
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 69 |         let _ = mem::replace(
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]   --> src/uvm/seg.rs:79:9
[INFO] [stdout]    |
[INFO] [stdout] 79 | /         mem::replace(
[INFO] [stdout] 80 | |             self.allocated_heap.get_mut(address).unwrap(),
[INFO] [stdout] 81 | |             Vec::new()
[INFO] [stdout] 82 | |         );
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 79 |         let _ = mem::replace(
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rum v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/startprogram/instr.rs:27:28
[INFO] [stdout]    |
[INFO] [stdout] 27 |                 let bits = ((1 << 3) - 1);
[INFO] [stdout]    |                            ^            ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 27 -                 let bits = ((1 << 3) - 1);
[INFO] [stdout] 27 +                 let bits = (1 << 3) - 1;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/startprogram/instr.rs:41:28
[INFO] [stdout]    |
[INFO] [stdout] 41 |                 let bits = ((1 << 3) - 1);
[INFO] [stdout]    |                            ^            ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 41 -                 let bits = ((1 << 3) - 1);
[INFO] [stdout] 41 +                 let bits = (1 << 3) - 1;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/startprogram/instr.rs:58:28
[INFO] [stdout]    |
[INFO] [stdout] 58 |                 let bits = ((1 << 3) - 1);
[INFO] [stdout]    |                            ^            ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 58 -                 let bits = ((1 << 3) - 1);
[INFO] [stdout] 58 +                 let bits = (1 << 3) - 1;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/startprogram/instr.rs:71:24
[INFO] [stdout]    |
[INFO] [stdout] 71 |             let bits = ((1 << 25) - 1);
[INFO] [stdout]    |                        ^             ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 71 -             let bits = ((1 << 25) - 1);
[INFO] [stdout] 71 +             let bits = (1 << 25) - 1;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/startprogram/instr.rs:85:24
[INFO] [stdout]    |
[INFO] [stdout] 85 |             let bits = ((1 << 4) - 1);
[INFO] [stdout]    |                        ^            ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 85 -             let bits = ((1 << 4) - 1);
[INFO] [stdout] 85 +             let bits = (1 << 4) - 1;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]  --> src/read_instr.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::env;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `mem_address` is never read
[INFO] [stdout]   --> src/uvm/seg.rs:22:17
[INFO] [stdout]    |
[INFO] [stdout] 22 |         let mut mem_address = 0;
[INFO] [stdout]    |                 ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/uvm.rs:137:17
[INFO] [stdout]     |
[INFO] [stdout] 137 |             Err(e) => panic!("Error reading input")
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]   --> src/uvm/seg.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 | /             mem::replace(
[INFO] [stdout] 32 | |                 self.allocated_heap.get_mut(mem_address)
[INFO] [stdout] 33 | |                     .unwrap(),
[INFO] [stdout] 34 | |                     vec![0_u32; size]
[INFO] [stdout] 35 | |             );
[INFO] [stdout]    | |_____________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 31 |             let _ = mem::replace(
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]   --> src/uvm/seg.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 | /         mem::replace(
[INFO] [stdout] 47 | |             self.allocated_heap.get_mut(0).unwrap(),
[INFO] [stdout] 48 | |             program
[INFO] [stdout] 49 | |         );
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 46 |         let _ = mem::replace(
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]   --> src/uvm/seg.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 | /         mem::replace(
[INFO] [stdout] 70 | |             self.allocated_heap.get_mut(address).unwrap().get_mut(index).unwrap(),
[INFO] [stdout] 71 | |             value
[INFO] [stdout] 72 | |         );
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 69 |         let _ = mem::replace(
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]   --> src/uvm/seg.rs:79:9
[INFO] [stdout]    |
[INFO] [stdout] 79 | /         mem::replace(
[INFO] [stdout] 80 | |             self.allocated_heap.get_mut(address).unwrap(),
[INFO] [stdout] 81 | |             Vec::new()
[INFO] [stdout] 82 | |         );
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 79 |         let _ = mem::replace(
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "c3140e9a40354c393b4ea8f85e917e76320e5aca80c652839dd49a3e56b81da9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3140e9a40354c393b4ea8f85e917e76320e5aca80c652839dd49a3e56b81da9", kill_on_drop: false }`
[INFO] [stdout] c3140e9a40354c393b4ea8f85e917e76320e5aca80c652839dd49a3e56b81da9
