[INFO] cloning repository https://github.com/matty316/freeza
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/matty316/freeza" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatty316%2Ffreeza", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatty316%2Ffreeza'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b013858ae7d031c2a11fa0c4b6640419c2907bee
[INFO] checking matty316/freeza against e977a0b5ab976a591981e7263bd67a71a4f79308 for pr-158914
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatty316%2Ffreeza" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/matty316/freeza
[INFO] finished tweaking git repo https://github.com/matty316/freeza
[INFO] tweaked toml for git repo https://github.com/matty316/freeza written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/matty316/freeza on toolchain e977a0b5ab976a591981e7263bd67a71a4f79308
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e977a0b5ab976a591981e7263bd67a71a4f79308" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/matty316/freeza 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" "+e977a0b5ab976a591981e7263bd67a71a4f79308" "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
[ERROR] error running command: no output for 300 seconds
[INFO] checking matty316/freeza against e977a0b5ab976a591981e7263bd67a71a4f79308 for pr-158914
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatty316%2Ffreeza" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/matty316/freeza
[INFO] finished tweaking git repo https://github.com/matty316/freeza
[INFO] tweaked toml for git repo https://github.com/matty316/freeza written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/matty316/freeza on toolchain e977a0b5ab976a591981e7263bd67a71a4f79308
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e977a0b5ab976a591981e7263bd67a71a4f79308" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/matty316/freeza 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" "+e977a0b5ab976a591981e7263bd67a71a4f79308" "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-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:1fa6594d87c8fa7b311925a7a77a16f539833322d9dfba4ce891f211db2f90b1" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 89c3eb7bef3f1055287a818775f5b97689a26dcab3de9e2b9cf35aee5b93b06b
[INFO] running `Command { std: "docker" "start" "89c3eb7bef3f1055287a818775f5b97689a26dcab3de9e2b9cf35aee5b93b06b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "89c3eb7bef3f1055287a818775f5b97689a26dcab3de9e2b9cf35aee5b93b06b", 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" "89c3eb7bef3f1055287a818775f5b97689a26dcab3de9e2b9cf35aee5b93b06b" "/opt/rustwide/cargo-home/bin/cargo" "+e977a0b5ab976a591981e7263bd67a71a4f79308" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "89c3eb7bef3f1055287a818775f5b97689a26dcab3de9e2b9cf35aee5b93b06b", 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" "89c3eb7bef3f1055287a818775f5b97689a26dcab3de9e2b9cf35aee5b93b06b" "/opt/rustwide/cargo-home/bin/cargo" "+e977a0b5ab976a591981e7263bd67a71a4f79308" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking freeza v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `scan` is never used
[INFO] [stdout]  --> src/lexer.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub(crate) fn scan(source: &str) -> Vec<Token> {
[INFO] [stdout]   |               ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `peek` is never used
[INFO] [stdout]   --> src/lexer.rs:86:4
[INFO] [stdout]    |
[INFO] [stdout] 86 | fn peek<'a>(source: &'a str, current: usize) -> u8 {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `peek_next` is never used
[INFO] [stdout]   --> src/lexer.rs:91:4
[INFO] [stdout]    |
[INFO] [stdout] 91 | fn peek_next<'a>(source: &'a str, current: usize) -> u8 {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `ident` is never used
[INFO] [stdout]   --> src/lexer.rs:96:4
[INFO] [stdout]    |
[INFO] [stdout] 96 | fn ident<'a>(source: &'a str, start: usize, current: &mut usize, line: i32) -> Token {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `lookup_keyword` is never used
[INFO] [stdout]    --> src/lexer.rs:104:4
[INFO] [stdout]     |
[INFO] [stdout] 104 | fn lookup_keyword<'a>(source: &'a str, start: usize, current: usize, line: i32) -> Token {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_keyword` is never used
[INFO] [stdout]    --> src/lexer.rs:145:4
[INFO] [stdout]     |
[INFO] [stdout] 145 | fn check_keyword<'a>(source: &'a str, start: usize, current: usize, line: i32, rest: &str, begin: usize, len: usize, token_type: To...
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `num` is never used
[INFO] [stdout]    --> src/lexer.rs:155:4
[INFO] [stdout]     |
[INFO] [stdout] 155 | fn num<'a>(source: &'a str, start: usize, current: &mut usize, line: i32) -> Token {
[INFO] [stdout]     |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `string` is never used
[INFO] [stdout]    --> src/lexer.rs:167:4
[INFO] [stdout]     |
[INFO] [stdout] 167 | fn string<'a>(source: &'a str, start: usize, current: &mut usize, line: &mut i32) -> Token {
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Token` is never used
[INFO] [stdout]  --> src/token.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub(crate) enum Token {
[INFO] [stdout]   |                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_digit` is never used
[INFO] [stdout]  --> src/helpers.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub(crate) fn is_digit(c: u8) -> bool {
[INFO] [stdout]   |               ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_alpha` is never used
[INFO] [stdout]  --> src/helpers.rs:5:15
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub(crate) fn is_alpha(c: u8) -> bool {
[INFO] [stdout]   |               ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] running `Command { std: "docker" "inspect" "89c3eb7bef3f1055287a818775f5b97689a26dcab3de9e2b9cf35aee5b93b06b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89c3eb7bef3f1055287a818775f5b97689a26dcab3de9e2b9cf35aee5b93b06b", kill_on_drop: false }`
[INFO] [stdout] 89c3eb7bef3f1055287a818775f5b97689a26dcab3de9e2b9cf35aee5b93b06b
