[INFO] cloning repository https://github.com/bryanmccarthy/mono [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bryanmccarthy/mono" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbryanmccarthy%2Fmono", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbryanmccarthy%2Fmono'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 01575876c34e1565f3446723b4d85890e2ec0a1a [INFO] checking bryanmccarthy/mono against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbryanmccarthy%2Fmono" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/bryanmccarthy/mono [INFO] finished tweaking git repo https://github.com/bryanmccarthy/mono [INFO] tweaked toml for git repo https://github.com/bryanmccarthy/mono written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/bryanmccarthy/mono on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/bryanmccarthy/mono 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8419f236fab39f0100f2a6678e1fdb17a4025b1a4b6ec2ab11721eef55edec5a [INFO] running `Command { std: "docker" "start" "-a" "8419f236fab39f0100f2a6678e1fdb17a4025b1a4b6ec2ab11721eef55edec5a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8419f236fab39f0100f2a6678e1fdb17a4025b1a4b6ec2ab11721eef55edec5a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8419f236fab39f0100f2a6678e1fdb17a4025b1a4b6ec2ab11721eef55edec5a", kill_on_drop: false }` [INFO] [stdout] 8419f236fab39f0100f2a6678e1fdb17a4025b1a4b6ec2ab11721eef55edec5a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 99f74394bb6c6b514b5b3820d4d30f7d13ab47f3612edc16bbf936748807593e [INFO] running `Command { std: "docker" "start" "-a" "99f74394bb6c6b514b5b3820d4d30f7d13ab47f3612edc16bbf936748807593e", kill_on_drop: false }` [INFO] [stderr] Checking mono v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: enum `TokenType` is never used [INFO] [stdout] --> src/token.rs:2:10 [INFO] [stdout] | [INFO] [stdout] 2 | pub enum TokenType { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Token` is never constructed [INFO] [stdout] --> src/token.rs:20:12 [INFO] [stdout] | [INFO] [stdout] 20 | pub struct Token { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated functions `new` and `lookup_ident` are never used [INFO] [stdout] --> src/token.rs:26:12 [INFO] [stdout] | [INFO] [stdout] 25 | impl Token { [INFO] [stdout] | ---------- associated functions in this implementation [INFO] [stdout] 26 | pub fn new(token_type: TokenType, literal: String) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 30 | pub fn lookup_ident(literal: &str) -> TokenType { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Lexer` is never constructed [INFO] [stdout] --> src/lexer.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | struct Lexer { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `read_char`, `read_identifier`, `read_number`, `skip_whitespace`, and `next_token` are never used [INFO] [stdout] --> src/lexer.rs:11:8 [INFO] [stdout] | [INFO] [stdout] 10 | impl Lexer { [INFO] [stdout] | ---------- associated items in this implementation [INFO] [stdout] 11 | fn new(input: String) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 17 | fn read_char(&mut self) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 27 | fn read_identifier(&mut self) -> &str { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 40 | fn read_number(&mut self) -> &str { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 52 | fn skip_whitespace(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 62 | fn next_token(&mut self) -> Token { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.12s [INFO] running `Command { std: "docker" "inspect" "99f74394bb6c6b514b5b3820d4d30f7d13ab47f3612edc16bbf936748807593e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "99f74394bb6c6b514b5b3820d4d30f7d13ab47f3612edc16bbf936748807593e", kill_on_drop: false }` [INFO] [stdout] 99f74394bb6c6b514b5b3820d4d30f7d13ab47f3612edc16bbf936748807593e