[INFO] updating cached repository duangsuse/hlangc-old
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/duangsuse/hlangc-old
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/duangsuse/hlangc-old" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/duangsuse/hlangc-old"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/duangsuse/hlangc-old'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/duangsuse/hlangc-old" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/duangsuse/hlangc-old"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/duangsuse/hlangc-old'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5febc5a5f8d91259c983dff42ea54d390685421e
[INFO] sha for GitHub repo duangsuse/hlangc-old: 5febc5a5f8d91259c983dff42ea54d390685421e
[INFO] validating manifest of duangsuse/hlangc-old 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 duangsuse/hlangc-old 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 duangsuse/hlangc-old
[INFO] finished frobbing duangsuse/hlangc-old
[INFO] frobbed toml for duangsuse/hlangc-old written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/duangsuse/hlangc-old/Cargo.toml
[INFO] started frobbing duangsuse/hlangc-old
[INFO] finished frobbing duangsuse/hlangc-old
[INFO] frobbed toml for duangsuse/hlangc-old written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/duangsuse/hlangc-old/Cargo.toml
[INFO] crate duangsuse/hlangc-old 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 duangsuse/hlangc-old against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-0/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/duangsuse/hlangc-old:/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] 49eaeb6cb1a7d49e882d186478fb1c2fe50be860aa6263c8b007651557a8e712
[INFO] running `"docker" "start" "-a" "49eaeb6cb1a7d49e882d186478fb1c2fe50be860aa6263c8b007651557a8e712"`
[INFO] [stderr]     Checking hlangc v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::fs::File`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::fs::File;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::env::args`
[INFO] [stderr]  --> src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::env::args;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs::File`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::fs::File;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::env::args`
[INFO] [stderr]  --> src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::env::args;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ast`
[INFO] [stderr]  --> src/asm.rs:3:31
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn wrap_gcc_assembly_file(ast: MonkeyAST) -> String {
[INFO] [stderr]   |                               ^^^ help: consider prefixing with an underscore: `_ast`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `gcc_assembly_mo`
[INFO] [stderr]    --> src/asm.rs:101:9
[INFO] [stderr]     |
[INFO] [stderr] 101 |     let gcc_assembly_mo = "
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_gcc_assembly_mo`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `gcc_assembly_mo`
[INFO] [stderr]    --> src/asm.rs:109:9
[INFO] [stderr]     |
[INFO] [stderr] 109 |     let gcc_assembly_mo = "
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_gcc_assembly_mo`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/asm.rs:96:9
[INFO] [stderr]    |
[INFO] [stderr] 96 |     let mut ret = String::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: variant is never constructed: `RED`
[INFO] [stderr]   --> src/parser.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     RED, //read memory to x
[INFO] [stderr]    |     ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `RAD`
[INFO] [stderr]   --> src/parser.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     RAD, //read memory,add one, write back
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `RSB`
[INFO] [stderr]   --> src/parser.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     RSB, //read memory,sub one, write back
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `SUB`
[INFO] [stderr]   --> src/parser.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     SUB, //sub 1(ptr, iptr) x
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ADD`
[INFO] [stderr]   --> src/parser.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     ADD, //plus 1(ptr, iptr) x
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `WRT`
[INFO] [stderr]   --> src/parser.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     WRT, //write x to memory(ptr, iptr)
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `JMP`
[INFO] [stderr]   --> src/parser.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     JMP, //jump to tag
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `QNU`
[INFO] [stderr]   --> src/parser.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     QNU, //if x is blank,jump to tag
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `QPJ`
[INFO] [stderr]   --> src/parser.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 |     QPJ, //if x is positive,jump to tag
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `QZJ`
[INFO] [stderr]   --> src/parser.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     QZJ, //if x is zero,jump to tag
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `QNJ`
[INFO] [stderr]   --> src/parser.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     QNJ, //if x is negative,tump to tag
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `O`
[INFO] [stderr]   --> src/parser.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     O, //put x to numeric output
[INFO] [stderr]    |     ^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `AO`
[INFO] [stderr]   --> src/parser.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     AO, //put x to ascii output(as ascii char)
[INFO] [stderr]    |     ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `I`
[INFO] [stderr]   --> src/parser.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     I, //input next argument to x
[INFO] [stderr]    |     ^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `NumLiteral`
[INFO] [stderr]   --> src/parser.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 |     NumLiteral(i32),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Pointer`
[INFO] [stderr]   --> src/parser.rs:43:5
[INFO] [stderr]    |
[INFO] [stderr] 43 |     Pointer(usize),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `IndirectPointer`
[INFO] [stderr]   --> src/parser.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 |     IndirectPointer(usize),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Nil`
[INFO] [stderr]   --> src/parser.rs:45:5
[INFO] [stderr]    |
[INFO] [stderr] 45 |     Nil,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/parser.rs:53:5
[INFO] [stderr]    |
[INFO] [stderr] 53 |     pub fn new(id: i32, lo: u32) -> Tag {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_id`
[INFO] [stderr]   --> src/parser.rs:56:5
[INFO] [stderr]    |
[INFO] [stderr] 56 |     pub fn get_id(&self) -> i32 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_lo`
[INFO] [stderr]   --> src/parser.rs:59:5
[INFO] [stderr]    |
[INFO] [stderr] 59 |     pub fn get_lo(&self) -> u32 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `add_tag`
[INFO] [stderr]   --> src/parser.rs:72:5
[INFO] [stderr]    |
[INFO] [stderr] 72 |     pub fn add_tag(&mut self, tag: Tag) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `to_str`
[INFO] [stderr]   --> src/parser.rs:78:5
[INFO] [stderr]    |
[INFO] [stderr] 78 |     pub fn to_str(&self) -> &str {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `parse_program`
[INFO] [stderr]    --> src/parser.rs:176:1
[INFO] [stderr]     |
[INFO] [stderr] 176 | pub fn parse_program(prog: &str, verbose: bool, debug: bool) -> MonkeyAST {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `parse_line`
[INFO] [stderr]    --> src/parser.rs:200:1
[INFO] [stderr]     |
[INFO] [stderr] 200 | fn parse_line(ln_num: &usize, line: &str, target: &mut MonkeyAST, debug: bool) {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `datparse`
[INFO] [stderr]    --> src/parser.rs:264:1
[INFO] [stderr]     |
[INFO] [stderr] 264 | fn datparse(cmdtpe: HCommands, line: &str, ln: &usize) -> HDataTypes {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `build_command_O`
[INFO] [stderr]    --> src/asm.rs:100:1
[INFO] [stderr]     |
[INFO] [stderr] 100 | fn build_command_O() -> String {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `build_command_AO`
[INFO] [stderr]    --> src/asm.rs:108:1
[INFO] [stderr]     |
[INFO] [stderr] 108 | fn build_command_AO() -> String {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `VERSION`
[INFO] [stderr]   --> src/main.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | const VERSION: &str = "0.1.0";
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `build_command_O` should have a snake case name
[INFO] [stderr]    --> src/asm.rs:100:4
[INFO] [stderr]     |
[INFO] [stderr] 100 | fn build_command_O() -> String {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `build_command_o`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `build_command_AO` should have a snake case name
[INFO] [stderr]    --> src/asm.rs:108:4
[INFO] [stderr]     |
[INFO] [stderr] 108 | fn build_command_AO() -> String {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `build_command_ao`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ast`
[INFO] [stderr]  --> src/asm.rs:3:31
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn wrap_gcc_assembly_file(ast: MonkeyAST) -> String {
[INFO] [stderr]   |                               ^^^ help: consider prefixing with an underscore: `_ast`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `gcc_assembly_mo`
[INFO] [stderr]    --> src/asm.rs:101:9
[INFO] [stderr]     |
[INFO] [stderr] 101 |     let gcc_assembly_mo = "
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_gcc_assembly_mo`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `gcc_assembly_mo`
[INFO] [stderr]    --> src/asm.rs:109:9
[INFO] [stderr]     |
[INFO] [stderr] 109 |     let gcc_assembly_mo = "
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_gcc_assembly_mo`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/asm.rs:96:9
[INFO] [stderr]    |
[INFO] [stderr] 96 |     let mut ret = String::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: method is never used: `get_lo`
[INFO] [stderr]   --> src/parser.rs:59:5
[INFO] [stderr]    |
[INFO] [stderr] 59 |     pub fn get_lo(&self) -> u32 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `build_command_O`
[INFO] [stderr]    --> src/asm.rs:100:1
[INFO] [stderr]     |
[INFO] [stderr] 100 | fn build_command_O() -> String {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `build_command_AO`
[INFO] [stderr]    --> src/asm.rs:108:1
[INFO] [stderr]     |
[INFO] [stderr] 108 | fn build_command_AO() -> String {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `VERSION`
[INFO] [stderr]   --> src/main.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | const VERSION: &str = "0.1.0";
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `build_command_O` should have a snake case name
[INFO] [stderr]    --> src/asm.rs:100:4
[INFO] [stderr]     |
[INFO] [stderr] 100 | fn build_command_O() -> String {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `build_command_o`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `build_command_AO` should have a snake case name
[INFO] [stderr]    --> src/asm.rs:108:4
[INFO] [stderr]     |
[INFO] [stderr] 108 | fn build_command_AO() -> String {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `build_command_ao`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `"docker" "inspect" "49eaeb6cb1a7d49e882d186478fb1c2fe50be860aa6263c8b007651557a8e712"`
[INFO] running `"docker" "rm" "-f" "49eaeb6cb1a7d49e882d186478fb1c2fe50be860aa6263c8b007651557a8e712"`
[INFO] [stdout] 49eaeb6cb1a7d49e882d186478fb1c2fe50be860aa6263c8b007651557a8e712