[INFO] cloning repository https://github.com/gfreezy/rlox [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gfreezy/rlox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgfreezy%2Frlox", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgfreezy%2Frlox'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ca52b0b58d3b2d1d8bf36d5e6827d1578707c1a2 [INFO] checking gfreezy/rlox against beta for pr-78714 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgfreezy%2Frlox" "/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/gfreezy/rlox on toolchain beta [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/gfreezy/rlox [INFO] finished tweaking git repo https://github.com/gfreezy/rlox [INFO] tweaked toml for git repo https://github.com/gfreezy/rlox written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/gfreezy/rlox already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6942cddb106ec5211f9a6bb62d161494fd1c24a18c9861541231641431b43610 [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" "6942cddb106ec5211f9a6bb62d161494fd1c24a18c9861541231641431b43610", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6942cddb106ec5211f9a6bb62d161494fd1c24a18c9861541231641431b43610", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6942cddb106ec5211f9a6bb62d161494fd1c24a18c9861541231641431b43610", kill_on_drop: false }` [INFO] [stdout] 6942cddb106ec5211f9a6bb62d161494fd1c24a18c9861541231641431b43610 [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=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" "+beta" "check" "--frozen" "--all" "--all-targets" "--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] 38cef48536f54b72b0e68dfc0682050ededf8459ce07885014b19bb2c81999bc [INFO] running `Command { std: "docker" "start" "-a" "38cef48536f54b72b0e68dfc0682050ededf8459ce07885014b19bb2c81999bc", kill_on_drop: false }` [INFO] [stderr] Compiling syn v0.15.34 [INFO] [stderr] Compiling cc v1.0.37 [INFO] [stderr] Compiling libc v0.2.58 [INFO] [stderr] Compiling autocfg v0.1.4 [INFO] [stderr] Checking rustc-demangle v0.1.15 [INFO] [stderr] Checking cfg-if v0.1.9 [INFO] [stderr] Compiling backtrace v0.3.30 [INFO] [stderr] Compiling backtrace-sys v0.1.28 [INFO] [stderr] Compiling proc-macro-hack v0.5.7 [INFO] [stderr] Compiling snafu-derive v0.4.1 [INFO] [stderr] Compiling num_enum v0.2.0 [INFO] [stderr] Compiling paste-impl v0.1.5 [INFO] [stderr] Checking paste v0.1.5 [INFO] [stderr] Checking snafu v0.4.1 [INFO] [stderr] Checking rlox v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/vm.rs:92:21 [INFO] [stdout] | [INFO] [stdout] 92 | })?;; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] ... [INFO] [stdout] 141 | binary_op!(|l, r| format!("{}{}", l, r), into_str, "not a str"); [INFO] [stdout] | ---------------------------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/vm.rs:92:21 [INFO] [stdout] | [INFO] [stdout] 92 | })?;; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] ... [INFO] [stdout] 143 | binary_op!(|l, r| l + r, into_number, "not a str"); [INFO] [stdout] | --------------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/vm.rs:92:21 [INFO] [stdout] | [INFO] [stdout] 92 | })?;; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] ... [INFO] [stdout] 147 | binary_op!(|l, r| l - r, into_number, "not a number"); [INFO] [stdout] | ------------------------------------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/vm.rs:92:21 [INFO] [stdout] | [INFO] [stdout] 92 | })?;; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] ... [INFO] [stdout] 150 | binary_op!(|l, r| l * r, into_number, "not a number"); [INFO] [stdout] | ------------------------------------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/vm.rs:92:21 [INFO] [stdout] | [INFO] [stdout] 92 | })?;; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] ... [INFO] [stdout] 153 | binary_op!(|l, r| l / r, into_number, "not a number"); [INFO] [stdout] | ------------------------------------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/vm.rs:92:21 [INFO] [stdout] | [INFO] [stdout] 92 | })?;; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] ... [INFO] [stdout] 170 | binary_op!(|l, r| l > r, into_number, "not a number"); [INFO] [stdout] | ------------------------------------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/vm.rs:92:21 [INFO] [stdout] | [INFO] [stdout] 92 | })?;; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] ... [INFO] [stdout] 173 | binary_op!(|l, r| l < r, into_number, "not a number"); [INFO] [stdout] | ------------------------------------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/vm.rs:92:21 [INFO] [stdout] | [INFO] [stdout] 92 | })?;; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] ... [INFO] [stdout] 141 | binary_op!(|l, r| format!("{}{}", l, r), into_str, "not a str"); [INFO] [stdout] | ---------------------------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/vm.rs:92:21 [INFO] [stdout] | [INFO] [stdout] 92 | })?;; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] ... [INFO] [stdout] 143 | binary_op!(|l, r| l + r, into_number, "not a str"); [INFO] [stdout] | --------------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/vm.rs:92:21 [INFO] [stdout] | [INFO] [stdout] 92 | })?;; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] ... [INFO] [stdout] 147 | binary_op!(|l, r| l - r, into_number, "not a number"); [INFO] [stdout] | ------------------------------------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/vm.rs:92:21 [INFO] [stdout] | [INFO] [stdout] 92 | })?;; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] ... [INFO] [stdout] 150 | binary_op!(|l, r| l * r, into_number, "not a number"); [INFO] [stdout] | ------------------------------------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/vm.rs:92:21 [INFO] [stdout] | [INFO] [stdout] 92 | })?;; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] ... [INFO] [stdout] 153 | binary_op!(|l, r| l / r, into_number, "not a number"); [INFO] [stdout] | ------------------------------------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/vm.rs:92:21 [INFO] [stdout] | [INFO] [stdout] 92 | })?;; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] ... [INFO] [stdout] 170 | binary_op!(|l, r| l > r, into_number, "not a number"); [INFO] [stdout] | ------------------------------------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/vm.rs:92:21 [INFO] [stdout] | [INFO] [stdout] 92 | })?;; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] ... [INFO] [stdout] 173 | binary_op!(|l, r| l < r, into_number, "not a number"); [INFO] [stdout] | ------------------------------------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Previous` [INFO] [stdout] --> src/compiler.rs:111:5 [INFO] [stdout] | [INFO] [stdout] 111 | Previous, [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: `error` [INFO] [stdout] --> src/compiler.rs:154:8 [INFO] [stdout] | [INFO] [stdout] 154 | fn error(&mut self, msg: &str) -> Result<()> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `write` [INFO] [stdout] --> src/vm.rs:26:12 [INFO] [stdout] | [INFO] [stdout] 26 | pub fn write(&mut self, byte: u8, line: u32) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `write_opcode` [INFO] [stdout] --> src/vm.rs:30:12 [INFO] [stdout] | [INFO] [stdout] 30 | pub fn write_opcode(&mut self, opcode: OpCode, line: u32) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `write_constant` [INFO] [stdout] --> src/vm.rs:34:12 [INFO] [stdout] | [INFO] [stdout] 34 | pub fn write_constant(&mut self, value: Value, line: u32) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Previous` [INFO] [stdout] --> src/compiler.rs:111:5 [INFO] [stdout] | [INFO] [stdout] 111 | Previous, [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: `error` [INFO] [stdout] --> src/compiler.rs:154:8 [INFO] [stdout] | [INFO] [stdout] 154 | fn error(&mut self, msg: &str) -> Result<()> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `write` [INFO] [stdout] --> src/vm.rs:26:12 [INFO] [stdout] | [INFO] [stdout] 26 | pub fn write(&mut self, byte: u8, line: u32) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `write_opcode` [INFO] [stdout] --> src/vm.rs:30:12 [INFO] [stdout] | [INFO] [stdout] 30 | pub fn write_opcode(&mut self, opcode: OpCode, line: u32) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `write_constant` [INFO] [stdout] --> src/vm.rs:34:12 [INFO] [stdout] | [INFO] [stdout] 34 | pub fn write_constant(&mut self, value: Value, line: u32) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 33.13s [INFO] running `Command { std: "docker" "inspect" "38cef48536f54b72b0e68dfc0682050ededf8459ce07885014b19bb2c81999bc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "38cef48536f54b72b0e68dfc0682050ededf8459ce07885014b19bb2c81999bc", kill_on_drop: false }` [INFO] [stdout] 38cef48536f54b72b0e68dfc0682050ededf8459ce07885014b19bb2c81999bc