[INFO] cloning repository https://github.com/manankarnik/interpreter-notes
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/manankarnik/interpreter-notes" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmanankarnik%2Finterpreter-notes", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmanankarnik%2Finterpreter-notes'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] aefff828792835714b01d8511d98072e4f4898c3
[INFO] checking manankarnik/interpreter-notes against a621e2b446eafb53c7a8569f225e0b8cc2429a68 for pr-162600
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmanankarnik%2Finterpreter-notes" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/manankarnik/interpreter-notes
[INFO] finished tweaking git repo https://github.com/manankarnik/interpreter-notes
[INFO] tweaked toml for git repo https://github.com/manankarnik/interpreter-notes written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/manankarnik/interpreter-notes on toolchain a621e2b446eafb53c7a8569f225e0b8cc2429a68
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a621e2b446eafb53c7a8569f225e0b8cc2429a68" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/manankarnik/interpreter-notes 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" "+a621e2b446eafb53c7a8569f225e0b8cc2429a68" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking manankarnik/interpreter-notes against a621e2b446eafb53c7a8569f225e0b8cc2429a68 for pr-162600
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmanankarnik%2Finterpreter-notes" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/manankarnik/interpreter-notes
[INFO] finished tweaking git repo https://github.com/manankarnik/interpreter-notes
[INFO] tweaked toml for git repo https://github.com/manankarnik/interpreter-notes written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/manankarnik/interpreter-notes on toolchain a621e2b446eafb53c7a8569f225e0b8cc2429a68
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a621e2b446eafb53c7a8569f225e0b8cc2429a68" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/manankarnik/interpreter-notes 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" "+a621e2b446eafb53c7a8569f225e0b8cc2429a68" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 2cbf237c01d24b4fc0a520d285ee5bc8e862f869f20c8bcce2096d9564aaf547
[INFO] running `Command { std: "docker" "start" "2cbf237c01d24b4fc0a520d285ee5bc8e862f869f20c8bcce2096d9564aaf547", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2cbf237c01d24b4fc0a520d285ee5bc8e862f869f20c8bcce2096d9564aaf547", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "2cbf237c01d24b4fc0a520d285ee5bc8e862f869f20c8bcce2096d9564aaf547" "/opt/rustwide/cargo-home/bin/cargo" "+a621e2b446eafb53c7a8569f225e0b8cc2429a68" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2cbf237c01d24b4fc0a520d285ee5bc8e862f869f20c8bcce2096d9564aaf547", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "2cbf237c01d24b4fc0a520d285ee5bc8e862f869f20c8bcce2096d9564aaf547" "/opt/rustwide/cargo-home/bin/cargo" "+a621e2b446eafb53c7a8569f225e0b8cc2429a68" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking interpreter-notes v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/main.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | enum TokenType<'a> {
[INFO] [stdout]    |      --------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 16 |     Equal, EqualEqual,
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 17 |     Not, NotEqual,
[INFO] [stdout]    |     ^^^  ^^^^^^^^
[INFO] [stdout] 18 |     Greater, GreaterEqual,
[INFO] [stdout]    |     ^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 19 |     Less, LessEqual,
[INFO] [stdout]    |     ^^^^  ^^^^^^^^^
[INFO] [stdout] 20 |
[INFO] [stdout] 21 |     Ident(&'a str), String(&'a str), Number(&'a str),
[INFO] [stdout]    |     ^^^^^           ^^^^^^           ^^^^^^
[INFO] [stdout] 22 |
[INFO] [stdout] 23 |     And, Class, Else, False, Fn, For, If, Let,
[INFO] [stdout]    |     ^^^  ^^^^^  ^^^^  ^^^^^  ^^  ^^^  ^^  ^^^
[INFO] [stdout] 24 |     Null, Or, Print, Return, Super, True, While,
[INFO] [stdout]    |     ^^^^  ^^  ^^^^^  ^^^^^^  ^^^^^  ^^^^  ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TokenType` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/main.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | enum TokenType<'a> {
[INFO] [stdout]    |      --------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 16 |     Equal, EqualEqual,
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 17 |     Not, NotEqual,
[INFO] [stdout]    |     ^^^  ^^^^^^^^
[INFO] [stdout] 18 |     Greater, GreaterEqual,
[INFO] [stdout]    |     ^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 19 |     Less, LessEqual,
[INFO] [stdout]    |     ^^^^  ^^^^^^^^^
[INFO] [stdout] 20 |
[INFO] [stdout] 21 |     Ident(&'a str), String(&'a str), Number(&'a str),
[INFO] [stdout]    |     ^^^^^           ^^^^^^           ^^^^^^
[INFO] [stdout] 22 |
[INFO] [stdout] 23 |     And, Class, Else, False, Fn, For, If, Let,
[INFO] [stdout]    |     ^^^  ^^^^^  ^^^^  ^^^^^  ^^  ^^^  ^^  ^^^
[INFO] [stdout] 24 |     Null, Or, Print, Return, Super, True, While,
[INFO] [stdout]    |     ^^^^  ^^  ^^^^^  ^^^^^^  ^^^^^  ^^^^  ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TokenType` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "2cbf237c01d24b4fc0a520d285ee5bc8e862f869f20c8bcce2096d9564aaf547", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cbf237c01d24b4fc0a520d285ee5bc8e862f869f20c8bcce2096d9564aaf547", kill_on_drop: false }`
[INFO] [stdout] 2cbf237c01d24b4fc0a520d285ee5bc8e862f869f20c8bcce2096d9564aaf547
