[INFO] cloning repository https://github.com/memoryleak47/constraint-lang [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/memoryleak47/constraint-lang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmemoryleak47%2Fconstraint-lang", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmemoryleak47%2Fconstraint-lang'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a17e347d8fe9b30c8533ab65fc57a1288bbf5dc6 [INFO] checking memoryleak47/constraint-lang against master#0c1fb2a1e65a57073dc62dd502319a00cf753371 for pr-114655 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmemoryleak47%2Fconstraint-lang" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/memoryleak47/constraint-lang on toolchain 0c1fb2a1e65a57073dc62dd502319a00cf753371 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0c1fb2a1e65a57073dc62dd502319a00cf753371" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/memoryleak47/constraint-lang [INFO] finished tweaking git repo https://github.com/memoryleak47/constraint-lang [INFO] tweaked toml for git repo https://github.com/memoryleak47/constraint-lang written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/memoryleak47/constraint-lang 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" "+0c1fb2a1e65a57073dc62dd502319a00cf753371" "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 [ERROR] this task or one of its parent failed! [ERROR] no output for 300 seconds [ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace. [INFO] checking memoryleak47/constraint-lang against try#1d06cad56a6e74d21cdf272bd6d9479160000fba for pr-114655 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmemoryleak47%2Fconstraint-lang" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/memoryleak47/constraint-lang on toolchain 1d06cad56a6e74d21cdf272bd6d9479160000fba [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1d06cad56a6e74d21cdf272bd6d9479160000fba" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/memoryleak47/constraint-lang [INFO] finished tweaking git repo https://github.com/memoryleak47/constraint-lang [INFO] tweaked toml for git repo https://github.com/memoryleak47/constraint-lang written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/memoryleak47/constraint-lang 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" "+1d06cad56a6e74d21cdf272bd6d9479160000fba" "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 memoryleak47/constraint-lang against try#1d06cad56a6e74d21cdf272bd6d9479160000fba for pr-114655 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmemoryleak47%2Fconstraint-lang" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/memoryleak47/constraint-lang on toolchain 1d06cad56a6e74d21cdf272bd6d9479160000fba [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1d06cad56a6e74d21cdf272bd6d9479160000fba" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/memoryleak47/constraint-lang [INFO] finished tweaking git repo https://github.com/memoryleak47/constraint-lang [INFO] tweaked toml for git repo https://github.com/memoryleak47/constraint-lang written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/memoryleak47/constraint-lang 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" "+1d06cad56a6e74d21cdf272bd6d9479160000fba" "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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded libc v0.2.39 [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1d06cad56a6e74d21cdf272bd6d9479160000fba" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 25d82bec6b0a21a2a716fab619e4058930e1a940ebed524c3763e51a88665319 [INFO] running `Command { std: "docker" "start" "-a" "25d82bec6b0a21a2a716fab619e4058930e1a940ebed524c3763e51a88665319", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "25d82bec6b0a21a2a716fab619e4058930e1a940ebed524c3763e51a88665319", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "25d82bec6b0a21a2a716fab619e4058930e1a940ebed524c3763e51a88665319", kill_on_drop: false }` [INFO] [stdout] 25d82bec6b0a21a2a716fab619e4058930e1a940ebed524c3763e51a88665319 [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" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1d06cad56a6e74d21cdf272bd6d9479160000fba" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ac4aee66253d8d88856b1b10a1a4f8cec703a2480180dcee7e269716a3f2846b [INFO] running `Command { std: "docker" "start" "-a" "ac4aee66253d8d88856b1b10a1a4f8cec703a2480180dcee7e269716a3f2846b", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.39 [INFO] [stderr] Checking memchr v1.0.2 [INFO] [stderr] Checking nom v3.2.1 [INFO] [stderr] Checking productivity-lang-compiler v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variants `String`, `Null`, `Array`, `Tuple`, and `Object` are never constructed [INFO] [stdout] --> src/ast/mod.rs:154:2 [INFO] [stdout] | [INFO] [stdout] 146 | pub enum Expr { [INFO] [stdout] | ---- variants in this enum [INFO] [stdout] ... [INFO] [stdout] 154 | String(String), [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 155 | Var(String), [INFO] [stdout] 156 | Null, // the `null` expression [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 159 | Array(Vec), [INFO] [stdout] | ^^^^^ [INFO] [stdout] 160 | Tuple(Vec), [INFO] [stdout] | ^^^^^ [INFO] [stdout] 161 | Object(HashMap>), // { f = 2 } [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Expr` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `dealloc` is never used [INFO] [stdout] --> src/exec/heap.rs:27:9 [INFO] [stdout] | [INFO] [stdout] 9 | impl Heap { [INFO] [stdout] | --------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 27 | pub fn dealloc(&mut self, index: usize) -> Option { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `String`, `Null`, `Array`, `Tuple`, and `Object` are never constructed [INFO] [stdout] --> src/ast/mod.rs:154:2 [INFO] [stdout] | [INFO] [stdout] 146 | pub enum Expr { [INFO] [stdout] | ---- variants in this enum [INFO] [stdout] ... [INFO] [stdout] 154 | String(String), [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 155 | Var(String), [INFO] [stdout] 156 | Null, // the `null` expression [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 159 | Array(Vec), [INFO] [stdout] | ^^^^^ [INFO] [stdout] 160 | Tuple(Vec), [INFO] [stdout] | ^^^^^ [INFO] [stdout] 161 | Object(HashMap>), // { f = 2 } [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Expr` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `dealloc` is never used [INFO] [stdout] --> src/exec/heap.rs:27:9 [INFO] [stdout] | [INFO] [stdout] 9 | impl Heap { [INFO] [stdout] | --------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 27 | pub fn dealloc(&mut self, index: usize) -> Option { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.67s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v3.2.1 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "ac4aee66253d8d88856b1b10a1a4f8cec703a2480180dcee7e269716a3f2846b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ac4aee66253d8d88856b1b10a1a4f8cec703a2480180dcee7e269716a3f2846b", kill_on_drop: false }` [INFO] [stdout] ac4aee66253d8d88856b1b10a1a4f8cec703a2480180dcee7e269716a3f2846b