[INFO] cloning repository https://github.com/npnguyen99/Regex
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/npnguyen99/Regex" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnpnguyen99%2FRegex", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnpnguyen99%2FRegex'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3de650f43493bc03bef2a36ca8adc3cd9a52f05e
[INFO] checking npnguyen99/Regex against try#f17e3a389e192f83fe27a581774a9d1dbb8e565b for pr-137394
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnpnguyen99%2FRegex" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/npnguyen99/Regex on toolchain f17e3a389e192f83fe27a581774a9d1dbb8e565b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f17e3a389e192f83fe27a581774a9d1dbb8e565b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/npnguyen99/Regex
[INFO] finished tweaking git repo https://github.com/npnguyen99/Regex
[INFO] tweaked toml for git repo https://github.com/npnguyen99/Regex written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/npnguyen99/Regex 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" "+f17e3a389e192f83fe27a581774a9d1dbb8e565b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+f17e3a389e192f83fe27a581774a9d1dbb8e565b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a8785b44f7e616f74291aaeb0384ea6dbd05346182d56dd062a1889f596bea8e
[INFO] running `Command { std: "docker" "start" "-a" "a8785b44f7e616f74291aaeb0384ea6dbd05346182d56dd062a1889f596bea8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a8785b44f7e616f74291aaeb0384ea6dbd05346182d56dd062a1889f596bea8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8785b44f7e616f74291aaeb0384ea6dbd05346182d56dd062a1889f596bea8e", kill_on_drop: false }`
[INFO] [stdout] a8785b44f7e616f74291aaeb0384ea6dbd05346182d56dd062a1889f596bea8e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+f17e3a389e192f83fe27a581774a9d1dbb8e565b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 34697e06e6584a8cb9ff812c9ab09cdf229e109c841fd6376692e103087f9f55
[INFO] running `Command { std: "docker" "start" "-a" "34697e06e6584a8cb9ff812c9ab09cdf229e109c841fd6376692e103087f9f55", kill_on_drop: false }`
[INFO] [stderr]     Checking Regex v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0583]: file not found for module `dfa`
[INFO] [stdout]   --> src/regex_fa/mod.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | mod dfa;
[INFO] [stdout]    | ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: to create the module `dfa`, create file "src/regex_fa/dfa.rs" or "src/regex_fa/dfa/mod.rs"
[INFO] [stdout]    = note: if there is a `mod dfa` elsewhere in the crate already, import it with `use crate::...` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0583]: file not found for module `dfa`
[INFO] [stdout]   --> src/regex_fa/mod.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | mod dfa;
[INFO] [stdout]    | ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: to create the module `dfa`, create file "src/regex_fa/dfa.rs" or "src/regex_fa/dfa/mod.rs"
[INFO] [stdout]    = note: if there is a `mod dfa` elsewhere in the crate already, import it with `use crate::...` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/main.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let mut args : Vec<String>= env::args().collect();
[INFO] [stdout]   |         ----^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0583`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `Regex` (bin "Regex") due to 1 previous error; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/main.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let mut args : Vec<String>= env::args().collect();
[INFO] [stdout]   |         ----^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0583`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `Regex` (bin "Regex" test) due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "34697e06e6584a8cb9ff812c9ab09cdf229e109c841fd6376692e103087f9f55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34697e06e6584a8cb9ff812c9ab09cdf229e109c841fd6376692e103087f9f55", kill_on_drop: false }`
[INFO] [stdout] 34697e06e6584a8cb9ff812c9ab09cdf229e109c841fd6376692e103087f9f55