[INFO] updating cached repository https://github.com/cre-chan/MCIR
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 12a6b256c1d58df5879ab7ecacdc00bb286f8fc2
[INFO] checking cre-chan/MCIR against try#f149601db42efe10ece8b284ab681fd4a6fcb89c for pr-68766
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcre-chan%2FMCIR" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cre-chan/MCIR on toolchain f149601db42efe10ece8b284ab681fd4a6fcb89c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/cre-chan/MCIR
[INFO] finished tweaking git repo https://github.com/cre-chan/MCIR
[INFO] tweaked toml for git repo https://github.com/cre-chan/MCIR written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/cre-chan/MCIR already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=forbid" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] afe88b72ed2ef4ed5efe4f09b331daf46728e0dff90ab031b7e378f13f58b1f0
[INFO] running `"docker" "start" "-a" "afe88b72ed2ef4ed5efe4f09b331daf46728e0dff90ab031b7e378f13f58b1f0"`
[INFO] [stderr]    Compiling ucd-trie v0.1.1
[INFO] [stderr]    Compiling syn v0.15.37
[INFO] [stderr]    Compiling maplit v1.0.1
[INFO] [stderr]    Compiling pest v2.1.1
[INFO] [stderr]    Compiling pest_meta v2.1.1
[INFO] [stderr]    Compiling pest_generator v2.1.0
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking MCIR v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: argument must be of the form: `expected = "error message"`
[INFO] [stderr]   --> src/frontend/parser/tiger_parser/token.rs:87:5
[INFO] [stderr]    |
[INFO] [stderr] 87 |     #[should_panic("Expecting char. Identifier found")]
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: errors in this attribute were erroneously allowed and will become a hard error in a future release.
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `state` in this scope
[INFO] [stderr]   --> src/frontend/parser/tiger_parser/mod.rs:51:10
[INFO] [stderr]    |
[INFO] [stderr] 51 | #[derive(Parser)]
[INFO] [stderr]    |          ^^^^^^ not found in this scope
[INFO] [stderr]    |
[INFO] [stderr]    = note: possible candidate is found in another module, you can import it into scope:
[INFO] [stderr]            pest::state
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `state` in this scope
[INFO] [stderr]   --> src/frontend/parser/tiger_parser/mod.rs:51:10
[INFO] [stderr]    |
[INFO] [stderr] 51 | #[derive(Parser)]
[INFO] [stderr]    |          ^^^^^^ not found in this scope
[INFO] [stderr]    |
[INFO] [stderr]    = note: possible candidate is found in another module, you can import it into scope:
[INFO] [stderr]            pest::state
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::frontend::parser::AST::exp`
[INFO] [stderr]  --> src/frontend/parser/mod.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::frontend::parser::AST::exp;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type `lvalue` should have an upper camel case name
[INFO] [stderr]   --> src/frontend/parser/AST.rs:23:10
[INFO] [stderr]    |
[INFO] [stderr] 23 | pub enum lvalue{
[INFO] [stderr]    |          ^^^^^^ help: convert the identifier to upper camel case: `Lvalue`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::frontend::parser::AST::exp`
[INFO] [stderr]  --> src/frontend/parser/mod.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::frontend::parser::AST::exp;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type `exp` should have an upper camel case name
[INFO] [stderr]   --> src/frontend/parser/AST.rs:32:10
[INFO] [stderr]    |
[INFO] [stderr] 32 | pub enum exp{
[INFO] [stderr]    |          ^^^ help: convert the identifier to upper camel case: `Exp`
[INFO] [stderr] 
[INFO] [stderr] warning: type `lvalue` should have an upper camel case name
[INFO] [stderr]   --> src/frontend/parser/AST.rs:23:10
[INFO] [stderr]    |
[INFO] [stderr] 23 | pub enum lvalue{
[INFO] [stderr]    |          ^^^^^^ help: convert the identifier to upper camel case: `Lvalue`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type `decl` should have an upper camel case name
[INFO] [stderr]   --> src/frontend/parser/AST.rs:54:10
[INFO] [stderr]    |
[INFO] [stderr] 54 | pub enum decl{
[INFO] [stderr]    |          ^^^^ help: convert the identifier to upper camel case: `Decl`
[INFO] [stderr] 
[INFO] [stderr] warning: type `exp` should have an upper camel case name
[INFO] [stderr]   --> src/frontend/parser/AST.rs:32:10
[INFO] [stderr]    |
[INFO] [stderr] 32 | pub enum exp{
[INFO] [stderr]    |          ^^^ help: convert the identifier to upper camel case: `Exp`
[INFO] [stderr] 
[INFO] [stderr] warning: type `decl` should have an upper camel case name
[INFO] [stderr]   --> src/frontend/parser/AST.rs:54:10
[INFO] [stderr]    |
[INFO] [stderr] 54 | pub enum decl{
[INFO] [stderr]    |          ^^^^ help: convert the identifier to upper camel case: `Decl`
[INFO] [stderr] 
[INFO] [stderr] warning: type `typ` should have an upper camel case name
[INFO] [stderr]   --> src/frontend/parser/AST.rs:63:10
[INFO] [stderr]    |
[INFO] [stderr] 63 | pub enum typ{
[INFO] [stderr]    |          ^^^ help: convert the identifier to upper camel case: `Typ`
[INFO] [stderr] 
[INFO] [stderr] warning: type `field` should have an upper camel case name
[INFO] [stderr]   --> src/frontend/parser/AST.rs:72:12
[INFO] [stderr]    |
[INFO] [stderr] 72 | pub struct field{ name:Symbol,typ:Symbol }//name:typ
[INFO] [stderr]    |            ^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Field`
[INFO] [stderr] 
[INFO] [stderr] warning: type `typ` should have an upper camel case name
[INFO] [stderr]   --> src/frontend/parser/AST.rs:63:10
[INFO] [stderr]    |
[INFO] [stderr] 63 | pub enum typ{
[INFO] [stderr]    |          ^^^ help: convert the identifier to upper camel case: `Typ`
[INFO] [stderr] 
[INFO] [stderr] warning: type `field` should have an upper camel case name
[INFO] [stderr]   --> src/frontend/parser/AST.rs:72:12
[INFO] [stderr]    |
[INFO] [stderr] 72 | pub struct field{ name:Symbol,typ:Symbol }//name:typ
[INFO] [stderr]    |            ^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Field`
[INFO] [stderr] 
[INFO] [stderr] warning: type `fundec` should have an upper camel case name
[INFO] [stderr]   --> src/frontend/parser/AST.rs:77:12
[INFO] [stderr]    |
[INFO] [stderr] 77 | pub struct fundec{
[INFO] [stderr]    |            ^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Fundec`
[INFO] [stderr] 
[INFO] [stderr] warning: type `namety` should have an upper camel case name
[INFO] [stderr]   --> src/frontend/parser/AST.rs:87:12
[INFO] [stderr]    |
[INFO] [stderr] 87 | pub struct namety{
[INFO] [stderr]    |            ^^^^^^ help: convert the identifier to upper camel case: `Namety`
[INFO] [stderr] 
[INFO] [stderr] warning: type `efield` should have an upper camel case name
[INFO] [stderr]   --> src/frontend/parser/AST.rs:95:13
[INFO] [stderr]    |
[INFO] [stderr] 95 | pub struct  efield{name:Symbol,expr:exp}
[INFO] [stderr]    |             ^^^^^^ help: convert the identifier to upper camel case: `Efield`
[INFO] [stderr] 
[INFO] [stderr] warning: type `fundec` should have an upper camel case name
[INFO] [stderr]   --> src/frontend/parser/AST.rs:77:12
[INFO] [stderr]    |
[INFO] [stderr] 77 | pub struct fundec{
[INFO] [stderr]    |            ^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Fundec`
[INFO] [stderr] 
[INFO] [stderr] warning: type `namety` should have an upper camel case name
[INFO] [stderr]   --> src/frontend/parser/AST.rs:87:12
[INFO] [stderr]    |
[INFO] [stderr] 87 | pub struct namety{
[INFO] [stderr]    |            ^^^^^^ help: convert the identifier to upper camel case: `Namety`
[INFO] [stderr] 
[INFO] [stderr] warning: type `efield` should have an upper camel case name
[INFO] [stderr]   --> src/frontend/parser/AST.rs:95:13
[INFO] [stderr]    |
[INFO] [stderr] 95 | pub struct  efield{name:Symbol,expr:exp}
[INFO] [stderr]    |             ^^^^^^ help: convert the identifier to upper camel case: `Efield`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `pest::Parser`
[INFO] [stderr]  --> src/frontend/parser/tiger_parser/mod.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use pest::Parser;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `pest::iterators::*`
[INFO] [stderr]  --> src/frontend/parser/tiger_parser/mod.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use pest::iterators::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `*`, `self`
[INFO] [stderr]    --> src/frontend/parser/tiger_parser/token.rs:149:24
[INFO] [stderr]     |
[INFO] [stderr] 149 | use super::ParserErr::{self,*};
[INFO] [stderr]     |                        ^^^^ ^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]   --> src/frontend/parser/tiger_parser/mod.rs:35:28
[INFO] [stderr]    |
[INFO] [stderr] 35 |         src.read_to_string((&mut src_string));
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs::File`
[INFO] [stderr]  --> src/frontend/parser/tiger_parser/token.rs:3:9
[INFO] [stderr]   |
[INFO] [stderr] 3 |     use std::fs::File;
[INFO] [stderr]   |         ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::Read`
[INFO] [stderr]  --> src/frontend/parser/tiger_parser/token.rs:4:9
[INFO] [stderr]   |
[INFO] [stderr] 4 |     use std::io::Read;
[INFO] [stderr]   |         ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `*`, `self`
[INFO] [stderr]    --> src/frontend/parser/tiger_parser/token.rs:149:24
[INFO] [stderr]     |
[INFO] [stderr] 149 | use super::ParserErr::{self,*};
[INFO] [stderr]     |                        ^^^^ ^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0425`.
[INFO] [stderr] error: could not compile `MCIR`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0425`.
[INFO] [stderr] error: could not compile `MCIR`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "afe88b72ed2ef4ed5efe4f09b331daf46728e0dff90ab031b7e378f13f58b1f0"`
[INFO] running `"docker" "rm" "-f" "afe88b72ed2ef4ed5efe4f09b331daf46728e0dff90ab031b7e378f13f58b1f0"`
[INFO] [stdout] afe88b72ed2ef4ed5efe4f09b331daf46728e0dff90ab031b7e378f13f58b1f0