[INFO] cloning repository https://github.com/golergka/rs-lox [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/golergka/rs-lox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgolergka%2Frs-lox", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgolergka%2Frs-lox'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 255966436aba915225996d32048d6b3caeed64b9 [INFO] testing golergka/rs-lox against beta-2022-04-10 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgolergka%2Frs-lox" "/workspace/builds/worker-8/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/golergka/rs-lox on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/golergka/rs-lox [INFO] finished tweaking git repo https://github.com/golergka/rs-lox [INFO] tweaked toml for git repo https://github.com/golergka/rs-lox written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate git repo https://github.com/golergka/rs-lox already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f4e2c64b67bfe12040ed38ca32eb439b2892233362ed422a50416c3cedaed4d2 [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" "f4e2c64b67bfe12040ed38ca32eb439b2892233362ed422a50416c3cedaed4d2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f4e2c64b67bfe12040ed38ca32eb439b2892233362ed422a50416c3cedaed4d2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f4e2c64b67bfe12040ed38ca32eb439b2892233362ed422a50416c3cedaed4d2", kill_on_drop: false }` [INFO] [stdout] f4e2c64b67bfe12040ed38ca32eb439b2892233362ed422a50416c3cedaed4d2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] a4cd981df857e54c429599d4d886300fb1186d1012f2f2b9294a3bb1f200ae40 [INFO] running `Command { std: "docker" "start" "-a" "a4cd981df857e54c429599d4d886300fb1186d1012f2f2b9294a3bb1f200ae40", 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 syn v1.0.76 [INFO] [stderr] Compiling text_io v0.1.9 [INFO] [stderr] Compiling num-derive v0.3.3 [INFO] [stderr] Compiling rs-lox v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Obj` [INFO] [stdout] --> src/compiler.rs:3:17 [INFO] [stdout] | [INFO] [stdout] 3 | use crate::gc::{Obj, GC}; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::value::Value::Number` [INFO] [stdout] --> src/debug.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use crate::value::Value::Number; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::value::*` [INFO] [stdout] --> src/debug.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use crate::value::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ObjString` [INFO] [stdout] --> src/vm.rs:4:22 [INFO] [stdout] | [INFO] [stdout] 4 | use crate::gc::{Obj, ObjString, GC}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::value::Value` [INFO] [stdout] --> src/gc.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::value::Value; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self` [INFO] [stdout] --> src/table.rs:4:16 [INFO] [stdout] | [INFO] [stdout] 4 | use std::ptr::{self, null_mut}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/gc.rs:42:13 [INFO] [stdout] | [INFO] [stdout] 42 | _ => panic!("Expected Obj::String"), [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: irrefutable `if let` pattern [INFO] [stdout] --> src/gc.rs:120:20 [INFO] [stdout] | [INFO] [stdout] 120 | if let Obj::String(inner_string) = &self.refs.as_ref().unwrap().value { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(irrefutable_let_patterns)]` on by default [INFO] [stdout] = note: this pattern will always match, so the `if let` is useless [INFO] [stdout] = help: consider replacing the `if let` with a `let` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `k` [INFO] [stdout] --> src/table.rs:68:37 [INFO] [stdout] | [INFO] [stdout] 68 | Entry::Tombstone { key: k } => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_k` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/table.rs:147:21 [INFO] [stdout] | [INFO] [stdout] 147 | let mut dest = get_entry(new_ptr, new_cap, *key); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/table.rs:175:17 [INFO] [stdout] | [INFO] [stdout] 175 | let mut entry = get_entry(self.ptr, self.cap, key); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/table.rs:176:17 [INFO] [stdout] | [INFO] [stdout] 176 | let mut result: bool = match *entry { [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `error` [INFO] [stdout] --> src/compiler.rs:279:8 [INFO] [stdout] | [INFO] [stdout] 279 | fn error(&mut self, message: String) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `disassemble_chunk` [INFO] [stdout] --> src/debug.rs:8:8 [INFO] [stdout] | [INFO] [stdout] 8 | pub fn disassemble_chunk(chunk: &Chunk, name: &str) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `unwrap_string` [INFO] [stdout] --> src/gc.rs:39:12 [INFO] [stdout] | [INFO] [stdout] 39 | pub fn unwrap_string(&self) -> &ObjString { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Tombstone` [INFO] [stdout] --> src/table.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | Tombstone { key: *const ObjString }, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `print` [INFO] [stdout] --> src/table.rs:98:8 [INFO] [stdout] | [INFO] [stdout] 98 | fn print(&self) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `get` [INFO] [stdout] --> src/table.rs:193:12 [INFO] [stdout] | [INFO] [stdout] 193 | pub fn get(&self, key: &ObjString) -> Option<&T> { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `delete` [INFO] [stdout] --> src/table.rs:238:12 [INFO] [stdout] | [INFO] [stdout] 238 | pub fn delete(&mut self, key: &ObjString) -> bool { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 19 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 18.50s [INFO] running `Command { std: "docker" "inspect" "a4cd981df857e54c429599d4d886300fb1186d1012f2f2b9294a3bb1f200ae40", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a4cd981df857e54c429599d4d886300fb1186d1012f2f2b9294a3bb1f200ae40", kill_on_drop: false }` [INFO] [stdout] a4cd981df857e54c429599d4d886300fb1186d1012f2f2b9294a3bb1f200ae40 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] 8b0eca3255adeefb9f81d50c3f947e15870c9c203667d6edb602cf82c286cf6f [INFO] running `Command { std: "docker" "start" "-a" "8b0eca3255adeefb9f81d50c3f947e15870c9c203667d6edb602cf82c286cf6f", kill_on_drop: false }` [INFO] [stderr] Compiling rs-lox v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `crate::gc::ObjString` [INFO] [stdout] --> src/compiler.rs:549:13 [INFO] [stdout] | [INFO] [stdout] 549 | use crate::gc::ObjString; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::value::*` [INFO] [stdout] --> src/debug.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use crate::value::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ObjString` [INFO] [stdout] --> src/vm.rs:4:22 [INFO] [stdout] | [INFO] [stdout] 4 | use crate::gc::{Obj, ObjString, GC}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::value::Value` [INFO] [stdout] --> src/gc.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::value::Value; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self` [INFO] [stdout] --> src/table.rs:4:16 [INFO] [stdout] | [INFO] [stdout] 4 | use std::ptr::{self, null_mut}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[macro_use]` only has an effect on `extern crate` and modules [INFO] [stdout] --> src/gc.rs:167:5 [INFO] [stdout] | [INFO] [stdout] 167 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_attributes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/gc.rs:42:13 [INFO] [stdout] | [INFO] [stdout] 42 | _ => panic!("Expected Obj::String"), [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: irrefutable `if let` pattern [INFO] [stdout] --> src/gc.rs:120:20 [INFO] [stdout] | [INFO] [stdout] 120 | if let Obj::String(inner_string) = &self.refs.as_ref().unwrap().value { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(irrefutable_let_patterns)]` on by default [INFO] [stdout] = note: this pattern will always match, so the `if let` is useless [INFO] [stdout] = help: consider replacing the `if let` with a `let` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/gc.rs:159:13 [INFO] [stdout] | [INFO] [stdout] 159 | _ => panic!("Expected string"), [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] ::: src/compiler.rs:585:37 [INFO] [stdout] | [INFO] [stdout] 585 | Value::Object(o) => assert_eq_str!(o, "hello world"), [INFO] [stdout] | -------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `assert_eq_str` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/gc.rs:159:13 [INFO] [stdout] | [INFO] [stdout] 159 | _ => panic!("Expected string"), [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] ::: src/compiler.rs:682:37 [INFO] [stdout] | [INFO] [stdout] 682 | Value::Object(o) => assert_eq_str!(o, "x"), [INFO] [stdout] | ---------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `assert_eq_str` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/gc.rs:159:13 [INFO] [stdout] | [INFO] [stdout] 159 | _ => panic!("Expected string"), [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] ::: src/vm.rs:427:39 [INFO] [stdout] | [INFO] [stdout] 427 | Ok(Value::Object(obj)) => assert_eq_str!(obj, "hello world"), [INFO] [stdout] | ---------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `assert_eq_str` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/gc.rs:159:13 [INFO] [stdout] | [INFO] [stdout] 159 | _ => panic!("Expected string"), [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] ::: src/vm.rs:487:39 [INFO] [stdout] | [INFO] [stdout] 487 | Ok(Value::Object(obj)) => assert_eq_str!(obj, "helloworld"), [INFO] [stdout] | --------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `assert_eq_str` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/gc.rs:159:13 [INFO] [stdout] | [INFO] [stdout] 159 | _ => panic!("Expected string"), [INFO] [stdout] | ^ [INFO] [stdout] ... [INFO] [stdout] 174 | assert_eq_str!(r, "hello world"); [INFO] [stdout] | -------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `assert_eq_str` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/gc.rs:159:13 [INFO] [stdout] | [INFO] [stdout] 159 | _ => panic!("Expected string"), [INFO] [stdout] | ^ [INFO] [stdout] ... [INFO] [stdout] 183 | assert_eq_str!(s1, "hello world"); [INFO] [stdout] | --------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `assert_eq_str` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/gc.rs:159:13 [INFO] [stdout] | [INFO] [stdout] 159 | _ => panic!("Expected string"), [INFO] [stdout] | ^ [INFO] [stdout] ... [INFO] [stdout] 184 | assert_eq_str!(s2, "hello world"); [INFO] [stdout] | --------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `assert_eq_str` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `k` [INFO] [stdout] --> src/table.rs:68:37 [INFO] [stdout] | [INFO] [stdout] 68 | Entry::Tombstone { key: k } => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_k` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/table.rs:147:21 [INFO] [stdout] | [INFO] [stdout] 147 | let mut dest = get_entry(new_ptr, new_cap, *key); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/table.rs:175:17 [INFO] [stdout] | [INFO] [stdout] 175 | let mut entry = get_entry(self.ptr, self.cap, key); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/table.rs:176:17 [INFO] [stdout] | [INFO] [stdout] 176 | let mut result: bool = match *entry { [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/table.rs:492:13 [INFO] [stdout] | [INFO] [stdout] 492 | let mut table: Table<()> = Table::new(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `error` [INFO] [stdout] --> src/compiler.rs:279:8 [INFO] [stdout] | [INFO] [stdout] 279 | fn error(&mut self, message: String) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `unwrap_string` [INFO] [stdout] --> src/gc.rs:39:12 [INFO] [stdout] | [INFO] [stdout] 39 | pub fn unwrap_string(&self) -> &ObjString { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 22 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 3.64s [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/rs_lox-94a733edfb91706e) [INFO] running `Command { std: "docker" "inspect" "8b0eca3255adeefb9f81d50c3f947e15870c9c203667d6edb602cf82c286cf6f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8b0eca3255adeefb9f81d50c3f947e15870c9c203667d6edb602cf82c286cf6f", kill_on_drop: false }` [INFO] [stdout] 8b0eca3255adeefb9f81d50c3f947e15870c9c203667d6edb602cf82c286cf6f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", 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] 648ad725e7931764e369f580d29b64a8cbb5e8a87c3e8181baa9c16d03e68342 [INFO] running `Command { std: "docker" "start" "-a" "648ad725e7931764e369f580d29b64a8cbb5e8a87c3e8181baa9c16d03e68342", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `crate::gc::ObjString` [INFO] [stderr] --> src/compiler.rs:549:13 [INFO] [stderr] | [INFO] [stderr] 549 | use crate::gc::ObjString; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `crate::value::*` [INFO] [stderr] --> src/debug.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use crate::value::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `ObjString` [INFO] [stderr] --> src/vm.rs:4:22 [INFO] [stderr] | [INFO] [stderr] 4 | use crate::gc::{Obj, ObjString, GC}; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `crate::value::Value` [INFO] [stderr] --> src/gc.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use crate::value::Value; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `self` [INFO] [stderr] --> src/table.rs:4:16 [INFO] [stderr] | [INFO] [stderr] 4 | use std::ptr::{self, null_mut}; [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: `#[macro_use]` only has an effect on `extern crate` and modules [INFO] [stderr] --> src/gc.rs:167:5 [INFO] [stderr] | [INFO] [stderr] 167 | #[macro_use] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_attributes)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unreachable pattern [INFO] [stderr] --> src/gc.rs:42:13 [INFO] [stderr] | [INFO] [stderr] 42 | _ => panic!("Expected Obj::String"), [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stderr] [INFO] [stderr] warning: irrefutable `if let` pattern [INFO] [stderr] --> src/gc.rs:120:20 [INFO] [stderr] | [INFO] [stderr] 120 | if let Obj::String(inner_string) = &self.refs.as_ref().unwrap().value { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(irrefutable_let_patterns)]` on by default [INFO] [stderr] = note: this pattern will always match, so the `if let` is useless [INFO] [stderr] = help: consider replacing the `if let` with a `let` [INFO] [stderr] [INFO] [stderr] warning: unreachable pattern [INFO] [stderr] --> src/gc.rs:159:13 [INFO] [stderr] | [INFO] [stderr] 159 | _ => panic!("Expected string"), [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] ::: src/compiler.rs:585:37 [INFO] [stderr] | [INFO] [stderr] 585 | Value::Object(o) => assert_eq_str!(o, "hello world"), [INFO] [stderr] | -------------------------------- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: this warning originates in the macro `assert_eq_str` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unreachable pattern [INFO] [stderr] --> src/gc.rs:159:13 [INFO] [stderr] | [INFO] [stderr] 159 | _ => panic!("Expected string"), [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] ::: src/compiler.rs:682:37 [INFO] [stderr] | [INFO] [stderr] 682 | Value::Object(o) => assert_eq_str!(o, "x"), [INFO] [stderr] | ---------------------- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: this warning originates in the macro `assert_eq_str` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unreachable pattern [INFO] [stderr] --> src/gc.rs:159:13 [INFO] [stderr] | [INFO] [stderr] 159 | _ => panic!("Expected string"), [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] ::: src/vm.rs:427:39 [INFO] [stderr] | [INFO] [stderr] 427 | Ok(Value::Object(obj)) => assert_eq_str!(obj, "hello world"), [INFO] [stderr] | ---------------------------------- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: this warning originates in the macro `assert_eq_str` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unreachable pattern [INFO] [stderr] --> src/gc.rs:159:13 [INFO] [stderr] | [INFO] [stderr] 159 | _ => panic!("Expected string"), [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] ::: src/vm.rs:487:39 [INFO] [stderr] | [INFO] [stderr] 487 | Ok(Value::Object(obj)) => assert_eq_str!(obj, "helloworld"), [INFO] [stderr] | --------------------------------- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: this warning originates in the macro `assert_eq_str` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unreachable pattern [INFO] [stderr] --> src/gc.rs:159:13 [INFO] [stderr] | [INFO] [stderr] 159 | _ => panic!("Expected string"), [INFO] [stderr] | ^ [INFO] [stderr] ... [INFO] [stderr] 174 | assert_eq_str!(r, "hello world"); [INFO] [stderr] | -------------------------------- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: this warning originates in the macro `assert_eq_str` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unreachable pattern [INFO] [stderr] --> src/gc.rs:159:13 [INFO] [stderr] | [INFO] [stderr] 159 | _ => panic!("Expected string"), [INFO] [stderr] | ^ [INFO] [stderr] ... [INFO] [stderr] 183 | assert_eq_str!(s1, "hello world"); [INFO] [stderr] | --------------------------------- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: this warning originates in the macro `assert_eq_str` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unreachable pattern [INFO] [stderr] --> src/gc.rs:159:13 [INFO] [stderr] | [INFO] [stderr] 159 | _ => panic!("Expected string"), [INFO] [stderr] | ^ [INFO] [stderr] ... [INFO] [stderr] 184 | assert_eq_str!(s2, "hello world"); [INFO] [stderr] | --------------------------------- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: this warning originates in the macro `assert_eq_str` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused variable: `k` [INFO] [stderr] --> src/table.rs:68:37 [INFO] [stderr] | [INFO] [stderr] 68 | Entry::Tombstone { key: k } => { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_k` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/table.rs:147:21 [INFO] [stderr] | [INFO] [stderr] 147 | let mut dest = get_entry(new_ptr, new_cap, *key); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/table.rs:175:17 [INFO] [stderr] | [INFO] [stderr] 175 | let mut entry = get_entry(self.ptr, self.cap, key); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/table.rs:176:17 [INFO] [stderr] | [INFO] [stderr] 176 | let mut result: bool = match *entry { [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/table.rs:492:13 [INFO] [stderr] | [INFO] [stderr] 492 | let mut table: Table<()> = Table::new(); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `error` [INFO] [stderr] --> src/compiler.rs:279:8 [INFO] [stderr] | [INFO] [stderr] 279 | fn error(&mut self, message: String) { [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `unwrap_string` [INFO] [stderr] --> src/gc.rs:39:12 [INFO] [stderr] | [INFO] [stderr] 39 | pub fn unwrap_string(&self) -> &ObjString { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `rs-lox` (bin "rs-lox" test) generated 22 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rs_lox-94a733edfb91706e) [INFO] [stdout] [INFO] [stdout] running 142 tests [INFO] [stdout] test chunk::tests::returns_correct_code ... ok [INFO] [stdout] test chunk::tests::returns_none_for_out_of_bounds_line ... ok [INFO] [stdout] test compiler::tests::equal_equal ... ok [INFO] [stdout] test compiler::tests::greater ... ok [INFO] [stdout] test compiler::tests::literals::false_literal ... ok [INFO] [stdout] test compiler::tests::literals::nil_literal ... ok [INFO] [stdout] test compiler::tests::statements::expression_statement ... ok [INFO] [stdout] test compiler::tests::statements::print_statement ... ok [INFO] [stdout] test debug::tests::add ... ok [INFO] [stdout] test debug::tests::constant ... ok [INFO] [stdout] test chunk::tests::writes_300_constants ... ok [INFO] [stdout] test compiler::tests::can_use_gc_after_compiling ... ok [INFO] [stdout] test compiler::tests::literals::number_literal ... ok [INFO] [stdout] test compiler::tests::literals::string_literal ... ok [INFO] [stdout] test chunk::tests::writes_constant ... ok [INFO] [stdout] test compiler::tests::bang_equal ... ok [INFO] [stdout] test debug::tests::divide ... ok [INFO] [stdout] test debug::tests::equal ... ok [INFO] [stdout] test debug::tests::negate ... ok [INFO] [stdout] test debug::tests::line_numbers ... ok [INFO] [stdout] test debug::tests::nil ... ok [INFO] [stdout] test debug::tests::retrn ... ok [INFO] [stdout] test debug::tests::true_false ... ok [INFO] [stdout] test debug::tests::not ... ok [INFO] [stdout] test chunk::tests::adds_correct_constant ... ok [INFO] [stdout] test compiler::tests::not ... ok [INFO] [stdout] test debug::tests::subtract ... ok [INFO] [stdout] test rle::tests::after_same_series ... ok [INFO] [stdout] test gc::test::allocates_string_drops ... ok [INFO] [stdout] test scanner::tests::keywords::class ... ok [INFO] [stdout] test scanner::tests::keywords::fun ... ok [INFO] [stdout] test scanner::tests::keywords::nil ... ok [INFO] [stdout] test scanner::tests::keywords::or ... ok [INFO] [stdout] test scanner::tests::keywords::print ... ok [INFO] [stdout] test scanner::tests::keywords::r#else ... ok [INFO] [stdout] test scanner::tests::keywords::r#false ... ok [INFO] [stdout] test scanner::tests::keywords::r#for ... ok [INFO] [stdout] test scanner::tests::keywords::r#if ... ok [INFO] [stdout] test scanner::tests::keywords::r#return ... ok [INFO] [stdout] test scanner::tests::keywords::r#while ... ok [INFO] [stdout] test scanner::tests::keywords::super_ ... ok [INFO] [stdout] test gc::test::allocates_two_strings_drops ... ok [INFO] [stdout] test chunk::tests::returns_correct_line ... ok [INFO] [stdout] test compiler::tests::literals::true_literal ... ok [INFO] [stdout] test compiler::tests::negate ... ok [INFO] [stdout] test debug::tests::greater ... ok [INFO] [stdout] test rle::tests::different_item ... ok [INFO] [stdout] test rle::tests::empty ... ok [INFO] [stdout] test rle::tests::first_item ... ok [INFO] [stdout] test rle::tests::same_item ... ok [INFO] [stdout] test rle::tests::second_series ... ok [INFO] [stdout] test scanner::tests::advances_lines ... ok [INFO] [stdout] test scanner::tests::keywords::and ... ok [INFO] [stdout] test scanner::tests::keywords::this ... ok [INFO] [stdout] test scanner::tests::keywords::true_ ... ok [INFO] [stdout] test scanner::tests::keywords::var ... ok [INFO] [stdout] test scanner::tests::literals::number ... ok [INFO] [stdout] test scanner::tests::literals::identifier_with_underscore ... ok [INFO] [stdout] test debug::tests::multiply ... ok [INFO] [stdout] test scanner::tests::literals::identifier ... ok [INFO] [stdout] test scanner::tests::literals::number_with_decimal ... ok [INFO] [stdout] test scanner::tests::literals::string ... ok [INFO] [stdout] test scanner::tests::literals::unterminated_string ... ok [INFO] [stdout] test scanner::tests::one_or_two_chars::bang ... ok [INFO] [stdout] test scanner::tests::one_or_two_chars::bang_equal ... ok [INFO] [stdout] test scanner::tests::one_or_two_chars::equal ... ok [INFO] [stdout] test scanner::tests::literals::identifier_with_digit ... ok [INFO] [stdout] test scanner::tests::one_or_two_chars::equal_equal ... ok [INFO] [stderr] thread panicked while panicking. aborting. [INFO] [stderr] error: test failed, to rerun pass '--bin rs-lox' [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/deps/rs_lox-94a733edfb91706e` (signal: 6, SIGABRT: process abort signal) [INFO] running `Command { std: "docker" "inspect" "648ad725e7931764e369f580d29b64a8cbb5e8a87c3e8181baa9c16d03e68342", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "648ad725e7931764e369f580d29b64a8cbb5e8a87c3e8181baa9c16d03e68342", kill_on_drop: false }` [INFO] [stdout] 648ad725e7931764e369f580d29b64a8cbb5e8a87c3e8181baa9c16d03e68342