[INFO] cloning repository https://github.com/mariuszdrynda/low-level-language [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mariuszdrynda/low-level-language" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmariuszdrynda%2Flow-level-language", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmariuszdrynda%2Flow-level-language'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 09873e891fb4757a40c3be943d13e2b79963ef43 [INFO] checking mariuszdrynda/low-level-language against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmariuszdrynda%2Flow-level-language" "/workspace/builds/worker-10/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mariuszdrynda/low-level-language on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/mariuszdrynda/low-level-language [INFO] finished tweaking git repo https://github.com/mariuszdrynda/low-level-language [INFO] tweaked toml for git repo https://github.com/mariuszdrynda/low-level-language written to /workspace/builds/worker-10/source/Cargo.toml [INFO] crate git repo https://github.com/mariuszdrynda/low-level-language already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 3cb14d0d9a04e6682ad4985f684a80c01f007293277d186cacc086cd0c77eae6 [INFO] running `Command { std: "docker" "start" "-a" "3cb14d0d9a04e6682ad4985f684a80c01f007293277d186cacc086cd0c77eae6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3cb14d0d9a04e6682ad4985f684a80c01f007293277d186cacc086cd0c77eae6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3cb14d0d9a04e6682ad4985f684a80c01f007293277d186cacc086cd0c77eae6", kill_on_drop: false }` [INFO] [stdout] 3cb14d0d9a04e6682ad4985f684a80c01f007293277d186cacc086cd0c77eae6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a0957d4fbb328cf9a5f22551859544379ceff17587c324a084eb499e143fda84 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "a0957d4fbb328cf9a5f22551859544379ceff17587c324a084eb499e143fda84", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling proc-macro2 v1.0.19 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling libc v0.2.76 [INFO] [stderr] Compiling syn v1.0.39 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling serde_derive v1.0.115 [INFO] [stderr] Compiling serde v1.0.115 [INFO] [stderr] Compiling regex-syntax v0.6.18 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling typenum v1.12.0 [INFO] [stderr] Compiling thread_local v1.0.1 [INFO] [stderr] Compiling hashbrown v0.8.2 [INFO] [stderr] Compiling indexmap v1.5.1 [INFO] [stderr] Compiling ena v0.14.0 [INFO] [stderr] Compiling aho-corasick v0.7.13 [INFO] [stderr] Compiling generic-array v0.12.3 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling block-buffer v0.7.3 [INFO] [stderr] Compiling digest v0.8.1 [INFO] [stderr] Compiling sha2 v0.8.2 [INFO] [stderr] Compiling dirs v1.0.5 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling term v0.5.2 [INFO] [stderr] Compiling ascii-canvas v2.0.0 [INFO] [stderr] Compiling petgraph v0.5.1 [INFO] [stderr] Checking regex v1.3.9 [INFO] [stderr] Checking lalrpop-util v0.19.0 [INFO] [stderr] Compiling string_cache v0.8.0 [INFO] [stderr] Compiling docopt v1.1.0 [INFO] [stderr] Compiling lalrpop v0.19.0 [INFO] [stderr] Compiling low-level-language v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> src/ast.rs:24:26 [INFO] [stdout] | [INFO] [stdout] 24 | FunctionCall(s, v) => write!(fmt, ""), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `v` [INFO] [stdout] --> src/ast.rs:24:29 [INFO] [stdout] | [INFO] [stdout] 24 | FunctionCall(s, v) => write!(fmt, ""), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `f` [INFO] [stdout] --> src/ast.rs:25:19 [INFO] [stdout] | [INFO] [stdout] 25 | Float(f) => write!(fmt, ""), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `c` [INFO] [stdout] --> src/ast.rs:26:18 [INFO] [stdout] | [INFO] [stdout] 26 | Char(c) => write!(fmt, ""), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> src/ast.rs:27:17 [INFO] [stdout] | [INFO] [stdout] 27 | Str(s) => write!(fmt, ""), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b` [INFO] [stdout] --> src/ast.rs:28:21 [INFO] [stdout] | [INFO] [stdout] 28 | Boolean(b) => write!(fmt, ""), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `arg` [INFO] [stdout] --> src/ast.rs:30:18 [INFO] [stdout] | [INFO] [stdout] 30 | Case(arg, stm) => write!(fmt, ""), [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_arg` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `stm` [INFO] [stdout] --> src/ast.rs:30:23 [INFO] [stdout] | [INFO] [stdout] 30 | Case(arg, stm) => write!(fmt, ""), [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_stm` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `arg` [INFO] [stdout] --> src/ast.rs:31:19 [INFO] [stdout] | [INFO] [stdout] 31 | Match(arg, case) => write!(fmt, ""), [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_arg` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `case` [INFO] [stdout] --> src/ast.rs:31:24 [INFO] [stdout] | [INFO] [stdout] 31 | Match(arg, case) => write!(fmt, ""), [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_case` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> src/ast.rs:32:18 [INFO] [stdout] | [INFO] [stdout] 32 | Loop(s, v) => write!(fmt, ""), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `v` [INFO] [stdout] --> src/ast.rs:32:21 [INFO] [stdout] | [INFO] [stdout] 32 | Loop(s, v) => write!(fmt, ""), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `name` [INFO] [stdout] --> src/ast.rs:33:22 [INFO] [stdout] | [INFO] [stdout] 33 | Function(name, t, stm) => write!(fmt, ""), [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_name` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `t` [INFO] [stdout] --> src/ast.rs:33:28 [INFO] [stdout] | [INFO] [stdout] 33 | Function(name, t, stm) => write!(fmt, ""), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `stm` [INFO] [stdout] --> src/ast.rs:33:31 [INFO] [stdout] | [INFO] [stdout] 33 | Function(name, t, stm) => write!(fmt, ""), [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_stm` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> src/ast.rs:24:26 [INFO] [stdout] | [INFO] [stdout] 24 | FunctionCall(s, v) => write!(fmt, ""), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `v` [INFO] [stdout] --> src/ast.rs:24:29 [INFO] [stdout] | [INFO] [stdout] 24 | FunctionCall(s, v) => write!(fmt, ""), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `f` [INFO] [stdout] --> src/ast.rs:25:19 [INFO] [stdout] | [INFO] [stdout] 25 | Float(f) => write!(fmt, ""), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `c` [INFO] [stdout] --> src/ast.rs:26:18 [INFO] [stdout] | [INFO] [stdout] 26 | Char(c) => write!(fmt, ""), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> src/ast.rs:27:17 [INFO] [stdout] | [INFO] [stdout] 27 | Str(s) => write!(fmt, ""), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b` [INFO] [stdout] --> src/ast.rs:28:21 [INFO] [stdout] | [INFO] [stdout] 28 | Boolean(b) => write!(fmt, ""), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `arg` [INFO] [stdout] --> src/ast.rs:30:18 [INFO] [stdout] | [INFO] [stdout] 30 | Case(arg, stm) => write!(fmt, ""), [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_arg` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `stm` [INFO] [stdout] --> src/ast.rs:30:23 [INFO] [stdout] | [INFO] [stdout] 30 | Case(arg, stm) => write!(fmt, ""), [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_stm` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `arg` [INFO] [stdout] --> src/ast.rs:31:19 [INFO] [stdout] | [INFO] [stdout] 31 | Match(arg, case) => write!(fmt, ""), [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_arg` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `case` [INFO] [stdout] --> src/ast.rs:31:24 [INFO] [stdout] | [INFO] [stdout] 31 | Match(arg, case) => write!(fmt, ""), [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_case` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> src/ast.rs:32:18 [INFO] [stdout] | [INFO] [stdout] 32 | Loop(s, v) => write!(fmt, ""), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `v` [INFO] [stdout] --> src/ast.rs:32:21 [INFO] [stdout] | [INFO] [stdout] 32 | Loop(s, v) => write!(fmt, ""), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `name` [INFO] [stdout] --> src/ast.rs:33:22 [INFO] [stdout] | [INFO] [stdout] 33 | Function(name, t, stm) => write!(fmt, ""), [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_name` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `t` [INFO] [stdout] --> src/ast.rs:33:28 [INFO] [stdout] | [INFO] [stdout] 33 | Function(name, t, stm) => write!(fmt, ""), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `stm` [INFO] [stdout] --> src/ast.rs:33:31 [INFO] [stdout] | [INFO] [stdout] 33 | Function(name, t, stm) => write!(fmt, ""), [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_stm` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 15 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 15 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2m 08s [INFO] running `Command { std: "docker" "inspect" "a0957d4fbb328cf9a5f22551859544379ceff17587c324a084eb499e143fda84", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a0957d4fbb328cf9a5f22551859544379ceff17587c324a084eb499e143fda84", kill_on_drop: false }` [INFO] [stdout] a0957d4fbb328cf9a5f22551859544379ceff17587c324a084eb499e143fda84