[INFO] updating cached repository ear7h/mvm
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ear7h/mvm
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ear7h/mvm" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/ear7h/mvm"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/ear7h/mvm'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ear7h/mvm" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/ear7h/mvm"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/ear7h/mvm'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 94895c4d35e0138bae17d20f630b2dd4b47ac06c
[INFO] sha for GitHub repo ear7h/mvm: 94895c4d35e0138bae17d20f630b2dd4b47ac06c
[INFO] validating manifest of ear7h/mvm on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ear7h/mvm on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ear7h/mvm
[INFO] finished frobbing ear7h/mvm
[INFO] frobbed toml for ear7h/mvm written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/ear7h/mvm/Cargo.toml
[INFO] started frobbing ear7h/mvm
[INFO] finished frobbing ear7h/mvm
[INFO] frobbed toml for ear7h/mvm written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/ear7h/mvm/Cargo.toml
[INFO] crate ear7h/mvm already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking ear7h/mvm against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-7/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/ear7h/mvm:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] a8d1ba7cf0b31c7553992bd44b2b065e608e9a2cefc4c021f8d2065d0e862b3d
[INFO] running `"docker" "start" "-a" "a8d1ba7cf0b31c7553992bd44b2b065e608e9a2cefc4c021f8d2065d0e862b3d"`
[INFO] [stderr]     Checking mvm v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/mas.rs:131:1
[INFO] [stderr]     |
[INFO] [stderr] 131 | / /**
[INFO] [stderr] 132 | |  * Assembler commands. These relate to op codes in the VM, but the op
[INFO] [stderr] 133 | |  * codes are picked implicitly based on the arguments.
[INFO] [stderr] 134 | |  */
[INFO] [stderr]     | |___^
[INFO] [stderr] 135 | / dense_enum! { AsmCmd;
[INFO] [stderr] 136 | |     NOP, XIT,
[INFO] [stderr] 137 | |
[INFO] [stderr] 138 | |     // byte
[INFO] [stderr] ...   |
[INFO] [stderr] 162 | |     // ALLO, // values requested
[INFO] [stderr] 163 | | }
[INFO] [stderr]     | |_- rustdoc does not generate documentation for macro expansions
[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 doc comment
[INFO] [stderr]    --> src/mas.rs:131:1
[INFO] [stderr]     |
[INFO] [stderr] 131 | / /**
[INFO] [stderr] 132 | |  * Assembler commands. These relate to op codes in the VM, but the op
[INFO] [stderr] 133 | |  * codes are picked implicitly based on the arguments.
[INFO] [stderr] 134 | |  */
[INFO] [stderr]     | |___^
[INFO] [stderr] 135 | / dense_enum! { AsmCmd;
[INFO] [stderr] 136 | |     NOP, XIT,
[INFO] [stderr] 137 | |
[INFO] [stderr] 138 | |     // byte
[INFO] [stderr] ...   |
[INFO] [stderr] 162 | |     // ALLO, // values requested
[INFO] [stderr] 163 | | }
[INFO] [stderr]     | |_- rustdoc does not generate documentation for macro expansions
[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: `...` range patterns are deprecated
[INFO] [stderr]   --> src/ast.rs:19:16
[INFO] [stderr]    |
[INFO] [stderr] 19 |             '0'...'9' => {
[INFO] [stderr]    |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/ast.rs:175:16
[INFO] [stderr]     |
[INFO] [stderr] 175 |             'a'...'z' | 'A'...'Z' => {
[INFO] [stderr]     |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/ast.rs:175:28
[INFO] [stderr]     |
[INFO] [stderr] 175 |             'a'...'z' | 'A'...'Z' => {
[INFO] [stderr]     |                            ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]    --> src/mvm.rs:405:5
[INFO] [stderr]     |
[INFO] [stderr] 405 |     println!("{:?}", memory.get::<[u8; 32]>(0));
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/ast.rs:19:16
[INFO] [stderr]    |
[INFO] [stderr] 19 |             '0'...'9' => {
[INFO] [stderr]    |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/ast.rs:175:16
[INFO] [stderr]     |
[INFO] [stderr] 175 |             'a'...'z' | 'A'...'Z' => {
[INFO] [stderr]     |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/ast.rs:175:28
[INFO] [stderr]     |
[INFO] [stderr] 175 |             'a'...'z' | 'A'...'Z' => {
[INFO] [stderr]     |                            ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]    --> src/mvm.rs:405:5
[INFO] [stderr]     |
[INFO] [stderr] 405 |     println!("{:?}", memory.get::<[u8; 32]>(0));
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/mas.rs:308:18
[INFO] [stderr]     |
[INFO] [stderr] 308 |             _ => return panic!(format!("{} does not have an op code", cmd1))
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `to_str`
[INFO] [stderr]   --> src/op_code.rs:16:13
[INFO] [stderr]    |
[INFO] [stderr] 16 |               pub fn to_str(&self) -> &'static str {
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 38 | / dense_enum! { Op;
[INFO] [stderr] 39 | |     // misc
[INFO] [stderr] 40 | |     NOP, XIT,
[INFO] [stderr] 41 | |
[INFO] [stderr] ...  |
[INFO] [stderr] 71 | |     EXT,
[INFO] [stderr] 72 | | }
[INFO] [stderr]    | |_- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `from_string`
[INFO] [stderr]   --> src/op_code.rs:22:13
[INFO] [stderr]    |
[INFO] [stderr] 22 |               pub fn from_string(s: String) -> Result<$name, String> {
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 38 | / dense_enum! { Op;
[INFO] [stderr] 39 | |     // misc
[INFO] [stderr] 40 | |     NOP, XIT,
[INFO] [stderr] 41 | |
[INFO] [stderr] ...  |
[INFO] [stderr] 71 | |     EXT,
[INFO] [stderr] 72 | | }
[INFO] [stderr]    | |_- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `MB`
[INFO] [stderr]  --> src/memory.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | const MB:usize = KB * KB;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `alloc_page`
[INFO] [stderr]   --> src/memory.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     pub fn alloc_page(&mut self) -> usize {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `free_page`
[INFO] [stderr]   --> src/memory.rs:46:5
[INFO] [stderr]    |
[INFO] [stderr] 46 |     pub fn free_page(&mut self, addr:usize) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `push_addr`
[INFO] [stderr]   --> src/memory.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 55 |     pub fn push_addr(&mut self, addr: usize) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `pop_addr`
[INFO] [stderr]   --> src/memory.rs:61:5
[INFO] [stderr]    |
[INFO] [stderr] 61 |     pub fn pop_addr(&mut self) -> usize {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get1`
[INFO] [stderr]    --> src/memory.rs:107:5
[INFO] [stderr]     |
[INFO] [stderr] 107 |     pub fn get1(&self, addr: usize) -> usize {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/mas.rs:308:18
[INFO] [stderr]     |
[INFO] [stderr] 308 |             _ => return panic!(format!("{} does not have an op code", cmd1))
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/mas.rs:203:28
[INFO] [stderr]     |
[INFO] [stderr] 203 |             AsmCmd::PSHW | AsmCmd::POPW => 2,
[INFO] [stderr]     |                            ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/mas.rs:308:13
[INFO] [stderr]     |
[INFO] [stderr] 308 |             _ => return panic!(format!("{} does not have an op code", cmd1))
[INFO] [stderr]     |             ^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ops`
[INFO] [stderr]   --> src/mas.rs:69:13
[INFO] [stderr]    |
[INFO] [stderr] 69 |     let mut ops:Vec<Op> = Vec::new();
[INFO] [stderr]    |             ^^^ help: consider prefixing with an underscore: `_ops`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `addr`
[INFO] [stderr]   --> src/mas.rs:95:26
[INFO] [stderr]    |
[INFO] [stderr] 95 |                     Some(addr) => {
[INFO] [stderr]    |                          ^^^^ help: consider prefixing with an underscore: `_addr`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]   --> src/ast.rs:38:25
[INFO] [stderr]    |
[INFO] [stderr] 38 |                     Err(x) => Value::Err(format!("bad address {}", s))
[INFO] [stderr]    |                         ^ help: consider prefixing with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `to_str`
[INFO] [stderr]   --> src/op_code.rs:16:13
[INFO] [stderr]    |
[INFO] [stderr] 16 |               pub fn to_str(&self) -> &'static str {
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 38 | / dense_enum! { Op;
[INFO] [stderr] 39 | |     // misc
[INFO] [stderr] 40 | |     NOP, XIT,
[INFO] [stderr] 41 | |
[INFO] [stderr] ...  |
[INFO] [stderr] 71 | |     EXT,
[INFO] [stderr] 72 | | }
[INFO] [stderr]    | |_- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `from_string`
[INFO] [stderr]   --> src/op_code.rs:22:13
[INFO] [stderr]    |
[INFO] [stderr] 22 |               pub fn from_string(s: String) -> Result<$name, String> {
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 38 | / dense_enum! { Op;
[INFO] [stderr] 39 | |     // misc
[INFO] [stderr] 40 | |     NOP, XIT,
[INFO] [stderr] 41 | |
[INFO] [stderr] ...  |
[INFO] [stderr] 71 | |     EXT,
[INFO] [stderr] 72 | | }
[INFO] [stderr]    | |_- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `MB`
[INFO] [stderr]  --> src/memory.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | const MB:usize = KB * KB;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `alloc_page`
[INFO] [stderr]   --> src/memory.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     pub fn alloc_page(&mut self) -> usize {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `free_page`
[INFO] [stderr]   --> src/memory.rs:46:5
[INFO] [stderr]    |
[INFO] [stderr] 46 |     pub fn free_page(&mut self, addr:usize) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `push_addr`
[INFO] [stderr]   --> src/memory.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 55 |     pub fn push_addr(&mut self, addr: usize) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `pop_addr`
[INFO] [stderr]   --> src/memory.rs:61:5
[INFO] [stderr]    |
[INFO] [stderr] 61 |     pub fn pop_addr(&mut self) -> usize {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get1`
[INFO] [stderr]    --> src/memory.rs:107:5
[INFO] [stderr]     |
[INFO] [stderr] 107 |     pub fn get1(&self, addr: usize) -> usize {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/mas.rs:69:9
[INFO] [stderr]    |
[INFO] [stderr] 69 |     let mut ops:Vec<Op> = Vec::new();
[INFO] [stderr]    |         ----^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/mas.rs:203:28
[INFO] [stderr]     |
[INFO] [stderr] 203 |             AsmCmd::PSHW | AsmCmd::POPW => 2,
[INFO] [stderr]     |                            ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/mas.rs:308:13
[INFO] [stderr]     |
[INFO] [stderr] 308 |             _ => return panic!(format!("{} does not have an op code", cmd1))
[INFO] [stderr]     |             ^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ops`
[INFO] [stderr]   --> src/mas.rs:69:13
[INFO] [stderr]    |
[INFO] [stderr] 69 |     let mut ops:Vec<Op> = Vec::new();
[INFO] [stderr]    |             ^^^ help: consider prefixing with an underscore: `_ops`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `addr`
[INFO] [stderr]   --> src/mas.rs:95:26
[INFO] [stderr]    |
[INFO] [stderr] 95 |                     Some(addr) => {
[INFO] [stderr]    |                          ^^^^ help: consider prefixing with an underscore: `_addr`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]   --> src/ast.rs:38:25
[INFO] [stderr]    |
[INFO] [stderr] 38 |                     Err(x) => Value::Err(format!("bad address {}", s))
[INFO] [stderr]    |                         ^ help: consider prefixing with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/mas.rs:69:9
[INFO] [stderr]    |
[INFO] [stderr] 69 |     let mut ops:Vec<Op> = Vec::new();
[INFO] [stderr]    |         ----^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ast.rs:173:13
[INFO] [stderr]     |
[INFO] [stderr] 173 |         let mut res: Result<AstNode, String>;
[INFO] [stderr]     |             ----^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `from_int`
[INFO] [stderr]   --> src/op_code.rs:12:13
[INFO] [stderr]    |
[INFO] [stderr] 12 |               pub fn from_int(i:u8) -> $name {
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 38 | / dense_enum! { Op;
[INFO] [stderr] 39 | |     // misc
[INFO] [stderr] 40 | |     NOP, XIT,
[INFO] [stderr] 41 | |
[INFO] [stderr] ...  |
[INFO] [stderr] 71 | |     EXT,
[INFO] [stderr] 72 | | }
[INFO] [stderr]    | |_- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `to_str`
[INFO] [stderr]   --> src/op_code.rs:16:13
[INFO] [stderr]    |
[INFO] [stderr] 16 |               pub fn to_str(&self) -> &'static str {
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 38 | / dense_enum! { Op;
[INFO] [stderr] 39 | |     // misc
[INFO] [stderr] 40 | |     NOP, XIT,
[INFO] [stderr] 41 | |
[INFO] [stderr] ...  |
[INFO] [stderr] 71 | |     EXT,
[INFO] [stderr] 72 | | }
[INFO] [stderr]    | |_- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `from_string`
[INFO] [stderr]   --> src/op_code.rs:22:13
[INFO] [stderr]    |
[INFO] [stderr] 22 |               pub fn from_string(s: String) -> Result<$name, String> {
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 38 | / dense_enum! { Op;
[INFO] [stderr] 39 | |     // misc
[INFO] [stderr] 40 | |     NOP, XIT,
[INFO] [stderr] 41 | |
[INFO] [stderr] ...  |
[INFO] [stderr] 71 | |     EXT,
[INFO] [stderr] 72 | | }
[INFO] [stderr]    | |_- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `KB`
[INFO] [stderr]  --> src/memory.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | const KB:usize = 1024;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `MB`
[INFO] [stderr]  --> src/memory.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | const MB:usize = KB * KB;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `FAST_SIZE`
[INFO] [stderr]  --> src/memory.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | const FAST_SIZE: usize = 32 * KB;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `PAGE_SIZE`
[INFO] [stderr]  --> src/memory.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | const PAGE_SIZE: usize = 4 * KB;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Memory`
[INFO] [stderr]   --> src/memory.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub struct Memory {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/memory.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     pub fn new(code: &[u8]) -> Memory {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `alloc_page`
[INFO] [stderr]   --> src/memory.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     pub fn alloc_page(&mut self) -> usize {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `free_page`
[INFO] [stderr]   --> src/memory.rs:46:5
[INFO] [stderr]    |
[INFO] [stderr] 46 |     pub fn free_page(&mut self, addr:usize) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `push_addr`
[INFO] [stderr]   --> src/memory.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 55 |     pub fn push_addr(&mut self, addr: usize) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `pop_addr`
[INFO] [stderr]   --> src/memory.rs:61:5
[INFO] [stderr]    |
[INFO] [stderr] 61 |     pub fn pop_addr(&mut self) -> usize {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get`
[INFO] [stderr]   --> src/memory.rs:66:5
[INFO] [stderr]    |
[INFO] [stderr] 66 |     pub fn get<T: Clone>(&self, addr: usize) -> T {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get1`
[INFO] [stderr]    --> src/memory.rs:107:5
[INFO] [stderr]     |
[INFO] [stderr] 107 |     pub fn get1(&self, addr: usize) -> usize {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get2`
[INFO] [stderr]    --> src/memory.rs:111:5
[INFO] [stderr]     |
[INFO] [stderr] 111 |     pub fn get2(&self, addr: usize) -> [usize; 2] {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set`
[INFO] [stderr]    --> src/memory.rs:115:5
[INFO] [stderr]     |
[INFO] [stderr] 115 |     pub fn set<T: Clone>(&mut self, addr: usize, val: T) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `prog2` should have an upper case name
[INFO] [stderr]    --> src/mas.rs:408:7
[INFO] [stderr]     |
[INFO] [stderr] 408 | const prog2:&str = "; program 2
[INFO] [stderr]     |       ^^^^^ help: convert the identifier to upper case: `PROG2`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ast.rs:173:13
[INFO] [stderr]     |
[INFO] [stderr] 173 |         let mut res: Result<AstNode, String>;
[INFO] [stderr]     |             ----^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `from_int`
[INFO] [stderr]   --> src/op_code.rs:12:13
[INFO] [stderr]    |
[INFO] [stderr] 12 |               pub fn from_int(i:u8) -> $name {
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 38 | / dense_enum! { Op;
[INFO] [stderr] 39 | |     // misc
[INFO] [stderr] 40 | |     NOP, XIT,
[INFO] [stderr] 41 | |
[INFO] [stderr] ...  |
[INFO] [stderr] 71 | |     EXT,
[INFO] [stderr] 72 | | }
[INFO] [stderr]    | |_- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `to_str`
[INFO] [stderr]   --> src/op_code.rs:16:13
[INFO] [stderr]    |
[INFO] [stderr] 16 |               pub fn to_str(&self) -> &'static str {
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 38 | / dense_enum! { Op;
[INFO] [stderr] 39 | |     // misc
[INFO] [stderr] 40 | |     NOP, XIT,
[INFO] [stderr] 41 | |
[INFO] [stderr] ...  |
[INFO] [stderr] 71 | |     EXT,
[INFO] [stderr] 72 | | }
[INFO] [stderr]    | |_- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `from_string`
[INFO] [stderr]   --> src/op_code.rs:22:13
[INFO] [stderr]    |
[INFO] [stderr] 22 |               pub fn from_string(s: String) -> Result<$name, String> {
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 38 | / dense_enum! { Op;
[INFO] [stderr] 39 | |     // misc
[INFO] [stderr] 40 | |     NOP, XIT,
[INFO] [stderr] 41 | |
[INFO] [stderr] ...  |
[INFO] [stderr] 71 | |     EXT,
[INFO] [stderr] 72 | | }
[INFO] [stderr]    | |_- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `KB`
[INFO] [stderr]  --> src/memory.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | const KB:usize = 1024;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `MB`
[INFO] [stderr]  --> src/memory.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | const MB:usize = KB * KB;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `FAST_SIZE`
[INFO] [stderr]  --> src/memory.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | const FAST_SIZE: usize = 32 * KB;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `PAGE_SIZE`
[INFO] [stderr]  --> src/memory.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | const PAGE_SIZE: usize = 4 * KB;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Memory`
[INFO] [stderr]   --> src/memory.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub struct Memory {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/memory.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     pub fn new(code: &[u8]) -> Memory {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `alloc_page`
[INFO] [stderr]   --> src/memory.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     pub fn alloc_page(&mut self) -> usize {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `free_page`
[INFO] [stderr]   --> src/memory.rs:46:5
[INFO] [stderr]    |
[INFO] [stderr] 46 |     pub fn free_page(&mut self, addr:usize) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `push_addr`
[INFO] [stderr]   --> src/memory.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 55 |     pub fn push_addr(&mut self, addr: usize) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `pop_addr`
[INFO] [stderr]   --> src/memory.rs:61:5
[INFO] [stderr]    |
[INFO] [stderr] 61 |     pub fn pop_addr(&mut self) -> usize {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get`
[INFO] [stderr]   --> src/memory.rs:66:5
[INFO] [stderr]    |
[INFO] [stderr] 66 |     pub fn get<T: Clone>(&self, addr: usize) -> T {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get1`
[INFO] [stderr]    --> src/memory.rs:107:5
[INFO] [stderr]     |
[INFO] [stderr] 107 |     pub fn get1(&self, addr: usize) -> usize {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get2`
[INFO] [stderr]    --> src/memory.rs:111:5
[INFO] [stderr]     |
[INFO] [stderr] 111 |     pub fn get2(&self, addr: usize) -> [usize; 2] {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set`
[INFO] [stderr]    --> src/memory.rs:115:5
[INFO] [stderr]     |
[INFO] [stderr] 115 |     pub fn set<T: Clone>(&mut self, addr: usize, val: T) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `prog2` should have an upper case name
[INFO] [stderr]    --> src/mas.rs:408:7
[INFO] [stderr]     |
[INFO] [stderr] 408 | const prog2:&str = "; program 2
[INFO] [stderr]     |       ^^^^^ help: convert the identifier to upper case: `PROG2`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.95s
[INFO] running `"docker" "inspect" "a8d1ba7cf0b31c7553992bd44b2b065e608e9a2cefc4c021f8d2065d0e862b3d"`
[INFO] running `"docker" "rm" "-f" "a8d1ba7cf0b31c7553992bd44b2b065e608e9a2cefc4c021f8d2065d0e862b3d"`
[INFO] [stdout] a8d1ba7cf0b31c7553992bd44b2b065e608e9a2cefc4c021f8d2065d0e862b3d