[INFO] cloning repository https://github.com/fluetlang/fluet [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fluetlang/fluet" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffluetlang%2Ffluet", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffluetlang%2Ffluet'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c129a4bb04ec56090fc5eb9026b24ca1163df51d [INFO] building fluetlang/fluet against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffluetlang%2Ffluet" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/fluetlang/fluet on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/fluetlang/fluet [INFO] finished tweaking git repo https://github.com/fluetlang/fluet [INFO] tweaked toml for git repo https://github.com/fluetlang/fluet written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/fluetlang/fluet 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"` [INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest [INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest [INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded annotate-snippets v0.9.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8a3efaa07afca5aa673941c68067e0d7f47ef2419bf6ac54a9da10d6414a9e2f [INFO] running `Command { std: "docker" "start" "-a" "8a3efaa07afca5aa673941c68067e0d7f47ef2419bf6ac54a9da10d6414a9e2f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8a3efaa07afca5aa673941c68067e0d7f47ef2419bf6ac54a9da10d6414a9e2f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8a3efaa07afca5aa673941c68067e0d7f47ef2419bf6ac54a9da10d6414a9e2f", kill_on_drop: false }` [INFO] [stdout] 8a3efaa07afca5aa673941c68067e0d7f47ef2419bf6ac54a9da10d6414a9e2f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0f1da4b37ffe2477e6a5d71693dcc6950ad8d900c779815a17043ec269845a0e [INFO] running `Command { std: "docker" "start" "-a" "0f1da4b37ffe2477e6a5d71693dcc6950ad8d900c779815a17043ec269845a0e", kill_on_drop: false }` [INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"` [INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest [INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest [INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions [INFO] [stderr] Compiling libc v0.2.117 [INFO] [stderr] Compiling unicode-width v0.1.9 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling yansi-term v0.1.2 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling anyhow v1.0.53 [INFO] [stderr] Compiling hashbrown v0.11.2 [INFO] [stderr] Compiling unicode-segmentation v1.9.0 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling textwrap v0.14.2 [INFO] [stderr] Compiling strsim v0.10.0 [INFO] [stderr] Compiling termcolor v1.1.2 [INFO] [stderr] Compiling highlighting v0.1.0 (/opt/rustwide/workdir/highlighting) [INFO] [stderr] Compiling annotate-snippets v0.9.1 [INFO] [stderr] Compiling indexmap v1.8.0 [INFO] [stderr] Compiling os_str_bytes v6.0.0 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling colored v2.0.0 [INFO] [stderr] Compiling clap v3.0.14 [INFO] [stderr] Compiling common v0.1.0 (/opt/rustwide/workdir/common) [INFO] [stderr] Compiling interpreter v0.1.0 (/opt/rustwide/workdir/interpreter) [INFO] [stderr] Compiling parser v0.1.0 (/opt/rustwide/workdir/parser) [INFO] [stderr] Compiling lexer v0.1.0 (/opt/rustwide/workdir/lexer) [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> interpreter/src/lib.rs:139:9 [INFO] [stdout] | [INFO] [stdout] 129 | / loop { [INFO] [stdout] 130 | | self.env = Rc::new(RefCell::new(Env::from_parent(self.env.clone()))); [INFO] [stdout] 131 | | [INFO] [stdout] 132 | | for statement in body { [INFO] [stdout] ... | [INFO] [stdout] 136 | | self.env = self.env.clone().borrow().parent().unwrap(); [INFO] [stdout] 137 | | } [INFO] [stdout] | |_________- any code following this expression is unreachable [INFO] [stdout] 138 | [INFO] [stdout] 139 | Ok(()) [INFO] [stdout] | ^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static is discouraged [INFO] [stdout] --> parser/src/lib.rs:21:14 [INFO] [stdout] | [INFO] [stdout] 21 | unsafe { ID.fetch_add(1, Ordering::AcqRel) } [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] = note: `#[warn(static_mut_refs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling resolver v0.1.0 (/opt/rustwide/workdir/resolver) [INFO] [stderr] Compiling fluet v0.1.0 (/opt/rustwide/workdir/fluet) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.96s [INFO] running `Command { std: "docker" "inspect" "0f1da4b37ffe2477e6a5d71693dcc6950ad8d900c779815a17043ec269845a0e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0f1da4b37ffe2477e6a5d71693dcc6950ad8d900c779815a17043ec269845a0e", kill_on_drop: false }` [INFO] [stdout] 0f1da4b37ffe2477e6a5d71693dcc6950ad8d900c779815a17043ec269845a0e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a91c8f0074b4a5fe2270ddd66ca9f7827d071f5ba3da01ac106b9e9ad79f8898 [INFO] running `Command { std: "docker" "start" "-a" "a91c8f0074b4a5fe2270ddd66ca9f7827d071f5ba3da01ac106b9e9ad79f8898", kill_on_drop: false }` [INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"` [INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest [INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest [INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions [INFO] [stderr] Compiling highlighting v0.1.0 (/opt/rustwide/workdir/highlighting) [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> interpreter/src/lib.rs:139:9 [INFO] [stdout] | [INFO] [stdout] 129 | / loop { [INFO] [stdout] 130 | | self.env = Rc::new(RefCell::new(Env::from_parent(self.env.clone()))); [INFO] [stdout] 131 | | [INFO] [stdout] 132 | | for statement in body { [INFO] [stdout] ... | [INFO] [stdout] 136 | | self.env = self.env.clone().borrow().parent().unwrap(); [INFO] [stdout] 137 | | } [INFO] [stdout] | |_________- any code following this expression is unreachable [INFO] [stdout] 138 | [INFO] [stdout] 139 | Ok(()) [INFO] [stdout] | ^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static is discouraged [INFO] [stdout] --> parser/src/lib.rs:21:14 [INFO] [stdout] | [INFO] [stdout] 21 | unsafe { ID.fetch_add(1, Ordering::AcqRel) } [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] = note: `#[warn(static_mut_refs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling common v0.1.0 (/opt/rustwide/workdir/common) [INFO] [stderr] Compiling lexer v0.1.0 (/opt/rustwide/workdir/lexer) [INFO] [stderr] Compiling interpreter v0.1.0 (/opt/rustwide/workdir/interpreter) [INFO] [stderr] Compiling parser v0.1.0 (/opt/rustwide/workdir/parser) [INFO] [stderr] Compiling resolver v0.1.0 (/opt/rustwide/workdir/resolver) [INFO] [stderr] Compiling fluet v0.1.0 (/opt/rustwide/workdir/fluet) [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> interpreter/src/lib.rs:139:9 [INFO] [stdout] | [INFO] [stdout] 129 | / loop { [INFO] [stdout] 130 | | self.env = Rc::new(RefCell::new(Env::from_parent(self.env.clone()))); [INFO] [stdout] 131 | | [INFO] [stdout] 132 | | for statement in body { [INFO] [stdout] ... | [INFO] [stdout] 136 | | self.env = self.env.clone().borrow().parent().unwrap(); [INFO] [stdout] 137 | | } [INFO] [stdout] | |_________- any code following this expression is unreachable [INFO] [stdout] 138 | [INFO] [stdout] 139 | Ok(()) [INFO] [stdout] | ^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static is discouraged [INFO] [stdout] --> parser/src/lib.rs:21:14 [INFO] [stdout] | [INFO] [stdout] 21 | unsafe { ID.fetch_add(1, Ordering::AcqRel) } [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] = note: `#[warn(static_mut_refs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 1.84s [INFO] running `Command { std: "docker" "inspect" "a91c8f0074b4a5fe2270ddd66ca9f7827d071f5ba3da01ac106b9e9ad79f8898", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a91c8f0074b4a5fe2270ddd66ca9f7827d071f5ba3da01ac106b9e9ad79f8898", kill_on_drop: false }` [INFO] [stdout] a91c8f0074b4a5fe2270ddd66ca9f7827d071f5ba3da01ac106b9e9ad79f8898