[INFO] cloning repository https://github.com/lcnr/cobalt [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lcnr/cobalt" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flcnr%2Fcobalt", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flcnr%2Fcobalt'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f227a6d1ba75dc7d6b02bf41d48af9962a9b8ff3 [INFO] checking lcnr/cobalt against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flcnr%2Fcobalt" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/lcnr/cobalt on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/lcnr/cobalt [INFO] finished tweaking git repo https://github.com/lcnr/cobalt [INFO] tweaked toml for git repo https://github.com/lcnr/cobalt written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/lcnr/cobalt already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b3f7d67210dd2e27e6c32140772f508e8b31a40cca9e707d86461c0617439351 [INFO] running `Command { std: "docker" "start" "-a" "b3f7d67210dd2e27e6c32140772f508e8b31a40cca9e707d86461c0617439351", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b3f7d67210dd2e27e6c32140772f508e8b31a40cca9e707d86461c0617439351", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b3f7d67210dd2e27e6c32140772f508e8b31a40cca9e707d86461c0617439351", kill_on_drop: false }` [INFO] [stdout] b3f7d67210dd2e27e6c32140772f508e8b31a40cca9e707d86461c0617439351 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] de426d6176b3885cf630317a717a2f971a58c47270094a8116f8ef9f2fb354ad [INFO] running `Command { std: "docker" "start" "-a" "de426d6176b3885cf630317a717a2f971a58c47270094a8116f8ef9f2fb354ad", 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] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.72 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking tindex v0.1.0 (https://github.com/lcnr/tindex/#659e7543) [INFO] [stderr] Compiling beef v0.5.0 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Checking co_diag v0.1.0 (/opt/rustwide/workdir/co_diag) [INFO] [stderr] Compiling proc-macro2 v1.0.26 [INFO] [stderr] Checking co_ast v0.1.0 (/opt/rustwide/workdir/co_ast) [INFO] [stdout] warning: unused variable: `arg` [INFO] [stdout] --> co_ast/src/typeck.rs:79:32 [INFO] [stdout] | [INFO] [stdout] 79 | Res::LambdaArg(arg) => unreachable!(), [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_arg` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `arg` [INFO] [stdout] --> co_ast/src/typeck.rs:79:32 [INFO] [stdout] | [INFO] [stdout] 79 | Res::LambdaArg(arg) => unreachable!(), [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_arg` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling logos-derive v0.12.0 [INFO] [stderr] Checking logos v0.12.0 [INFO] [stderr] Checking co_parse v0.1.0 (/opt/rustwide/workdir/co_parse) [INFO] [stdout] warning: unused variable: `span` [INFO] [stdout] --> co_parse/src/lib.rs:153:59 [INFO] [stdout] | [INFO] [stdout] 153 | (Token::Lambda | Token::Ident(_) | Token::LBrace, span) => parse_expr(lex, Some(expr)), [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_span` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking cobalt v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `span` [INFO] [stdout] --> co_parse/src/lib.rs:153:59 [INFO] [stdout] | [INFO] [stdout] 153 | (Token::Lambda | Token::Ident(_) | Token::LBrace, span) => parse_expr(lex, Some(expr)), [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_span` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 17.65s [INFO] running `Command { std: "docker" "inspect" "de426d6176b3885cf630317a717a2f971a58c47270094a8116f8ef9f2fb354ad", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "de426d6176b3885cf630317a717a2f971a58c47270094a8116f8ef9f2fb354ad", kill_on_drop: false }` [INFO] [stdout] de426d6176b3885cf630317a717a2f971a58c47270094a8116f8ef9f2fb354ad