[INFO] cloning repository https://github.com/gamma-delta/ruth [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gamma-delta/ruth" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgamma-delta%2Fruth", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgamma-delta%2Fruth'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a9838dd5b1cd87e12fe19f73e81dabaff9f36eee [INFO] testing gamma-delta/ruth against beta-2021-09-08 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgamma-delta%2Fruth" "/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/gamma-delta/ruth on toolchain beta-2021-09-08 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/gamma-delta/ruth [INFO] finished tweaking git repo https://github.com/gamma-delta/ruth [INFO] tweaked toml for git repo https://github.com/gamma-delta/ruth written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/gamma-delta/ruth already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded filedescriptor v0.7.3 [INFO] [stderr] Downloaded ariadne v0.1.3 [INFO] [stderr] Downloaded gc v0.4.1 [INFO] [stderr] Downloaded gc_derive v0.4.1 [INFO] [stderr] Downloaded termwiz v0.13.0 [INFO] [stderr] Downloaded memmem v0.1.1 [INFO] [stderr] Downloaded vtparse v0.5.0 [INFO] [stderr] Downloaded termios v0.3.3 [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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b17aca72bb98fde92e76c1fc3d689e1b0c44872cf677f89edfcf986cc116990e [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" "b17aca72bb98fde92e76c1fc3d689e1b0c44872cf677f89edfcf986cc116990e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b17aca72bb98fde92e76c1fc3d689e1b0c44872cf677f89edfcf986cc116990e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b17aca72bb98fde92e76c1fc3d689e1b0c44872cf677f89edfcf986cc116990e", kill_on_drop: false }` [INFO] [stdout] b17aca72bb98fde92e76c1fc3d689e1b0c44872cf677f89edfcf986cc116990e [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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", 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] e90a147f14ff4045f314ec0db5c8f548d01800be346f4192a20df07a71a5d4c8 [INFO] running `Command { std: "docker" "start" "-a" "e90a147f14ff4045f314ec0db5c8f548d01800be346f4192a20df07a71a5d4c8", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.98 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Compiling proc-macro2 v1.0.28 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.74 [INFO] [stderr] Compiling siphasher v0.3.6 [INFO] [stderr] Compiling ppv-lite86 v0.2.10 [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Compiling anyhow v1.0.43 [INFO] [stderr] Compiling ucd-trie v0.1.3 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling utf8parse v0.2.0 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Compiling regex-syntax v0.6.25 [INFO] [stderr] Compiling unicode-segmentation v1.8.0 [INFO] [stderr] Compiling xi-unicode v0.3.0 [INFO] [stderr] Compiling yansi v0.5.0 [INFO] [stderr] Compiling memmem v0.1.1 [INFO] [stderr] Compiling base64 v0.13.0 [INFO] [stderr] Compiling paste v1.0.5 [INFO] [stderr] Compiling bimap v0.6.1 [INFO] [stderr] Compiling pico-args v0.4.2 [INFO] [stderr] Compiling vtparse v0.5.0 [INFO] [stderr] Compiling phf_shared v0.8.0 [INFO] [stderr] Compiling pest v2.1.3 [INFO] [stderr] Compiling itertools v0.10.1 [INFO] [stderr] Compiling ariadne v0.1.3 [INFO] [stderr] Compiling phf v0.8.0 [INFO] [stderr] Compiling aho-corasick v0.7.18 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling nom v5.1.2 [INFO] [stderr] Compiling dirs-sys v0.3.6 [INFO] [stderr] Compiling signal-hook-registry v1.4.0 [INFO] [stderr] Compiling filedescriptor v0.7.3 [INFO] [stderr] Compiling termios v0.3.3 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling semver-parser v0.10.2 [INFO] [stderr] Compiling regex v1.5.4 [INFO] [stderr] Compiling dirs v2.0.2 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling signal-hook v0.1.17 [INFO] [stderr] Compiling semver v0.11.0 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling rand_pcg v0.2.1 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling ordered-float v2.7.0 [INFO] [stderr] Compiling phf_generator v0.8.0 [INFO] [stderr] Compiling phf_codegen v0.8.0 [INFO] [stderr] Compiling terminfo v0.7.3 [INFO] [stderr] Compiling synstructure v0.12.5 [INFO] [stderr] Compiling thiserror-impl v1.0.26 [INFO] [stderr] Compiling num-derive v0.3.3 [INFO] [stderr] Compiling gc_derive v0.4.1 [INFO] [stderr] Compiling derivative v2.2.0 [INFO] [stderr] Compiling gc v0.4.1 [INFO] [stderr] Compiling thiserror v1.0.26 [INFO] [stderr] Compiling termwiz v0.13.0 [INFO] [stderr] Compiling ruth v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/repl.rs:78:9 [INFO] [stdout] | [INFO] [stdout] 18 | / loop { [INFO] [stdout] 19 | | let ps = if in_parens { ps2 } else { ps1 }; [INFO] [stdout] 20 | | let ps = self.eval(self.thtdlib(), Gc::new(Expr::Symbol(ps))); [INFO] [stdout] 21 | | let ps = self.print_expr(ps).unwrap(); [INFO] [stdout] ... | [INFO] [stdout] 75 | | input.clear(); [INFO] [stdout] 76 | | } [INFO] [stdout] | |_________- any code following this expression is unreachable [INFO] [stdout] 77 | [INFO] [stdout] 78 | Ok(()) [INFO] [stdout] | ^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [optimized + debuginfo] target(s) in 3m 31s [INFO] running `Command { std: "docker" "inspect" "e90a147f14ff4045f314ec0db5c8f548d01800be346f4192a20df07a71a5d4c8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e90a147f14ff4045f314ec0db5c8f548d01800be346f4192a20df07a71a5d4c8", kill_on_drop: false }` [INFO] [stdout] e90a147f14ff4045f314ec0db5c8f548d01800be346f4192a20df07a71a5d4c8 [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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", 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] d1b15beaeca7fedec6ca3e0306bcb98bd107120e448f09bdd260c122e2bded4f [INFO] running `Command { std: "docker" "start" "-a" "d1b15beaeca7fedec6ca3e0306bcb98bd107120e448f09bdd260c122e2bded4f", kill_on_drop: false }` [INFO] [stderr] Compiling ruth v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/repl.rs:78:9 [INFO] [stdout] | [INFO] [stdout] 18 | / loop { [INFO] [stdout] 19 | | let ps = if in_parens { ps2 } else { ps1 }; [INFO] [stdout] 20 | | let ps = self.eval(self.thtdlib(), Gc::new(Expr::Symbol(ps))); [INFO] [stdout] 21 | | let ps = self.print_expr(ps).unwrap(); [INFO] [stdout] ... | [INFO] [stdout] 75 | | input.clear(); [INFO] [stdout] 76 | | } [INFO] [stdout] | |_________- any code following this expression is unreachable [INFO] [stdout] 77 | [INFO] [stdout] 78 | Ok(()) [INFO] [stdout] | ^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/repl.rs:78:9 [INFO] [stdout] | [INFO] [stdout] 18 | / loop { [INFO] [stdout] 19 | | let ps = if in_parens { ps2 } else { ps1 }; [INFO] [stdout] 20 | | let ps = self.eval(self.thtdlib(), Gc::new(Expr::Symbol(ps))); [INFO] [stdout] 21 | | let ps = self.print_expr(ps).unwrap(); [INFO] [stdout] ... | [INFO] [stdout] 75 | | input.clear(); [INFO] [stdout] 76 | | } [INFO] [stdout] | |_________- any code following this expression is unreachable [INFO] [stdout] 77 | [INFO] [stdout] 78 | Ok(()) [INFO] [stdout] | ^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [optimized + debuginfo] target(s) in 2.37s [INFO] running `Command { std: "docker" "inspect" "d1b15beaeca7fedec6ca3e0306bcb98bd107120e448f09bdd260c122e2bded4f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d1b15beaeca7fedec6ca3e0306bcb98bd107120e448f09bdd260c122e2bded4f", kill_on_drop: false }` [INFO] [stdout] d1b15beaeca7fedec6ca3e0306bcb98bd107120e448f09bdd260c122e2bded4f [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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 62c8a8d9a0081d0b16fa08f333b470774adf81e8bfe976b3e55ad513081c60ef [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" "62c8a8d9a0081d0b16fa08f333b470774adf81e8bfe976b3e55ad513081c60ef", kill_on_drop: false }` [INFO] [stderr] warning: unreachable expression [INFO] [stderr] --> src/repl.rs:78:9 [INFO] [stderr] | [INFO] [stderr] 18 | / loop { [INFO] [stderr] 19 | | let ps = if in_parens { ps2 } else { ps1 }; [INFO] [stderr] 20 | | let ps = self.eval(self.thtdlib(), Gc::new(Expr::Symbol(ps))); [INFO] [stderr] 21 | | let ps = self.print_expr(ps).unwrap(); [INFO] [stderr] ... | [INFO] [stderr] 75 | | input.clear(); [INFO] [stderr] 76 | | } [INFO] [stderr] | |_________- any code following this expression is unreachable [INFO] [stderr] 77 | [INFO] [stderr] 78 | Ok(()) [INFO] [stderr] | ^^^^^^ unreachable expression [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `ruth` (lib) generated 1 warning [INFO] [stderr] warning: `ruth` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished test [optimized + debuginfo] target(s) in 0.07s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/ruth-78003db21ce007b9) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test parse::test_string_pos ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/ruth-8828f6704881dcef) [INFO] [stderr] Doc-tests ruth [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "62c8a8d9a0081d0b16fa08f333b470774adf81e8bfe976b3e55ad513081c60ef", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "62c8a8d9a0081d0b16fa08f333b470774adf81e8bfe976b3e55ad513081c60ef", kill_on_drop: false }` [INFO] [stdout] 62c8a8d9a0081d0b16fa08f333b470774adf81e8bfe976b3e55ad513081c60ef