[INFO] cloning repository https://github.com/flowithin/MPars
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/flowithin/MPars" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflowithin%2FMPars", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflowithin%2FMPars'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fa483dd8c6817dde570201ade8f3904613a893ff
[INFO] checking flowithin/MPars against master#8321f00bf4a5f25cad5ec8861c5469afe6e0ce8b for pr-133925
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflowithin%2FMPars" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/flowithin/MPars on toolchain 8321f00bf4a5f25cad5ec8861c5469afe6e0ce8b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8321f00bf4a5f25cad5ec8861c5469afe6e0ce8b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/flowithin/MPars
[INFO] finished tweaking git repo https://github.com/flowithin/MPars
[INFO] tweaked toml for git repo https://github.com/flowithin/MPars written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/flowithin/MPars 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" "+8321f00bf4a5f25cad5ec8861c5469afe6e0ce8b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+8321f00bf4a5f25cad5ec8861c5469afe6e0ce8b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0175636b5dc73322ae21f70b606eb35fbd76d9d2c351411e64f6da084fc676d4
[INFO] running `Command { std: "docker" "start" "-a" "0175636b5dc73322ae21f70b606eb35fbd76d9d2c351411e64f6da084fc676d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0175636b5dc73322ae21f70b606eb35fbd76d9d2c351411e64f6da084fc676d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0175636b5dc73322ae21f70b606eb35fbd76d9d2c351411e64f6da084fc676d4", kill_on_drop: false }`
[INFO] [stdout] 0175636b5dc73322ae21f70b606eb35fbd76d9d2c351411e64f6da084fc676d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+8321f00bf4a5f25cad5ec8861c5469afe6e0ce8b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 609840a96fd1ced9ff1335427fb0c63c106d402a6423fc05fa64d549ca750577
[INFO] running `Command { std: "docker" "start" "-a" "609840a96fd1ced9ff1335427fb0c63c106d402a6423fc05fa64d549ca750577", kill_on_drop: false }`
[INFO] [stderr]     Checking parser_test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `rax` should have an upper camel case name
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     rax(String),
[INFO] [stdout]   |     ^^^ help: convert the identifier to upper camel case: `Rax`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `rax` should have an upper camel case name
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     rax(String),
[INFO] [stdout]   |     ^^^ help: convert the identifier to upper camel case: `Rax`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `str`
[INFO] [stdout]   --> src/main.rs:23:30
[INFO] [stdout]    |
[INFO] [stdout] 23 |                     Reg::rax(str) => "rax".to_string(),
[INFO] [stdout]    |                              ^^^ help: if this is intentional, prefix it with an underscore: `_str`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `str`
[INFO] [stdout]   --> src/main.rs:23:30
[INFO] [stdout]    |
[INFO] [stdout] 23 |                     Reg::rax(str) => "rax".to_string(),
[INFO] [stdout]    |                              ^^^ help: if this is intentional, prefix it with an underscore: `_str`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `str`
[INFO] [stdout]   --> src/main.rs:29:30
[INFO] [stdout]    |
[INFO] [stdout] 29 |                     Reg::rax(str) => "rax".to_string(),
[INFO] [stdout]    |                              ^^^ help: if this is intentional, prefix it with an underscore: `_str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `str`
[INFO] [stdout]   --> src/main.rs:29:30
[INFO] [stdout]    |
[INFO] [stdout] 29 |                     Reg::rax(str) => "rax".to_string(),
[INFO] [stdout]    |                              ^^^ help: if this is intentional, prefix it with an underscore: `_str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/main.rs:65:13
[INFO] [stdout]    |
[INFO] [stdout] 65 |         Err(e) => {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/main.rs:65:13
[INFO] [stdout]    |
[INFO] [stdout] 65 |         Err(e) => {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0004]: non-exhaustive patterns: `&Exp::Let(_, _)` not covered
[INFO] [stdout]   --> src/main.rs:90:11
[INFO] [stdout]    |
[INFO] [stdout] 90 |     match e {
[INFO] [stdout]    |           ^ pattern `&Exp::Let(_, _)` not covered
[INFO] [stdout]    |
[INFO] [stdout] note: `Exp` defined here
[INFO] [stdout]   --> src/main.rs:47:6
[INFO] [stdout]    |
[INFO] [stdout] 47 | enum Exp {
[INFO] [stdout]    |      ^^^
[INFO] [stdout] ...
[INFO] [stdout] 51 |     Let(i64, Box<Exp>),
[INFO] [stdout]    |     --- not covered
[INFO] [stdout]    = note: the matched value is of type `&Exp`
[INFO] [stdout] help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern or an explicit pattern as shown
[INFO] [stdout]    |
[INFO] [stdout] 102~         },
[INFO] [stdout] 103+         &Exp::Let(_, _) => todo!()
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0004]: non-exhaustive patterns: `&Exp::Let(_, _)` not covered
[INFO] [stdout]   --> src/main.rs:90:11
[INFO] [stdout]    |
[INFO] [stdout] 90 |     match e {
[INFO] [stdout]    |           ^ pattern `&Exp::Let(_, _)` not covered
[INFO] [stdout]    |
[INFO] [stdout] note: `Exp` defined here
[INFO] [stdout]   --> src/main.rs:47:6
[INFO] [stdout]    |
[INFO] [stdout] 47 | enum Exp {
[INFO] [stdout]    |      ^^^
[INFO] [stdout] ...
[INFO] [stdout] 51 |     Let(i64, Box<Exp>),
[INFO] [stdout]    |     --- not covered
[INFO] [stdout]    = note: the matched value is of type `&Exp`
[INFO] [stdout] help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern or an explicit pattern as shown
[INFO] [stdout]    |
[INFO] [stdout] 102~         },
[INFO] [stdout] 103+         &Exp::Let(_, _) => todo!()
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0004`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0004`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `parser_test` (bin "parser_test" test) due to 1 previous error; 5 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `parser_test` (bin "parser_test") due to 1 previous error; 5 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "609840a96fd1ced9ff1335427fb0c63c106d402a6423fc05fa64d549ca750577", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "609840a96fd1ced9ff1335427fb0c63c106d402a6423fc05fa64d549ca750577", kill_on_drop: false }`
[INFO] [stdout] 609840a96fd1ced9ff1335427fb0c63c106d402a6423fc05fa64d549ca750577