[INFO] cloning repository https://github.com/adamreeve/rlox [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/adamreeve/rlox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadamreeve%2Frlox", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadamreeve%2Frlox'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4d812b3240ac7cfbb96821fb64282ecce7a199e1 [INFO] checking adamreeve/rlox against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadamreeve%2Frlox" "/workspace/builds/worker-2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/adamreeve/rlox on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/adamreeve/rlox [INFO] finished tweaking git repo https://github.com/adamreeve/rlox [INFO] tweaked toml for git repo https://github.com/adamreeve/rlox written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/adamreeve/rlox already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d52123ebc940c2f334c16fd40cabcf385d47bdec5f0b17701cdf4786d7754b71 [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" "d52123ebc940c2f334c16fd40cabcf385d47bdec5f0b17701cdf4786d7754b71", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d52123ebc940c2f334c16fd40cabcf385d47bdec5f0b17701cdf4786d7754b71", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d52123ebc940c2f334c16fd40cabcf385d47bdec5f0b17701cdf4786d7754b71", kill_on_drop: false }` [INFO] [stdout] d52123ebc940c2f334c16fd40cabcf385d47bdec5f0b17701cdf4786d7754b71 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "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] 0fd13f49e501f8cc6bc0cc91e13e1a34f627df22cd68511246931660786ccd20 [INFO] running `Command { std: "docker" "start" "-a" "0fd13f49e501f8cc6bc0cc91e13e1a34f627df22cd68511246931660786ccd20", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.5 [INFO] [stderr] Compiling unicode-xid v0.0.4 [INFO] [stderr] Compiling quote v0.3.15 [INFO] [stderr] Checking libc v0.2.40 [INFO] [stderr] Checking bitflags v1.0.3 [INFO] [stderr] Checking fnv v1.0.6 [INFO] [stderr] Checking byteorder v1.2.1 [INFO] [stderr] Checking textwrap v0.9.0 [INFO] [stderr] Compiling synom v0.11.3 [INFO] [stderr] Compiling syn v0.11.11 [INFO] [stderr] Checking atty v0.2.10 [INFO] [stderr] Checking clap v2.31.2 [INFO] [stderr] Compiling num-traits v0.1.43 [INFO] [stderr] Compiling enum-primitive-derive v0.1.2 [INFO] [stderr] Checking rlox v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/errors.rs:32:32 [INFO] [stdout] | [INFO] [stdout] 32 | fn cause(&self) -> Option<&Error> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/scanner.rs:278:53 [INFO] [stdout] | [INFO] [stdout] 278 | fn is_some_where(x: Option, predicate: &Fn(T) -> bool) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(T) -> bool` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Read` [INFO] [stdout] --> src/chunk.rs:51:27 [INFO] [stdout] | [INFO] [stdout] 51 | use std::io::{Cursor, Read, Write}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/errors.rs:32:32 [INFO] [stdout] | [INFO] [stdout] 32 | fn cause(&self) -> Option<&Error> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/scanner.rs:278:53 [INFO] [stdout] | [INFO] [stdout] 278 | fn is_some_where(x: Option, predicate: &Fn(T) -> bool) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(T) -> bool` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/errors.rs:28:60 [INFO] [stdout] | [INFO] [stdout] 28 | InterpretError::IoError(io_error) => &io_error.description(), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/compiler.rs:193:28 [INFO] [stdout] | [INFO] [stdout] 193 | self.error(err.description()); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/errors.rs:28:60 [INFO] [stdout] | [INFO] [stdout] 28 | InterpretError::IoError(io_error) => &io_error.description(), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/compiler.rs:193:28 [INFO] [stdout] | [INFO] [stdout] 193 | self.error(err.description()); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `StringInterner` [INFO] [stdout] --> src/string_interner.rs:9:12 [INFO] [stdout] | [INFO] [stdout] 9 | pub struct StringInterner { [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: `new` [INFO] [stdout] --> src/string_interner.rs:15:12 [INFO] [stdout] | [INFO] [stdout] 15 | pub fn new() -> StringInterner { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `intern` [INFO] [stdout] --> src/string_interner.rs:22:12 [INFO] [stdout] | [INFO] [stdout] 22 | pub fn intern(&mut self, string: String) -> InternedString { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `resolve` [INFO] [stdout] --> src/string_interner.rs:37:12 [INFO] [stdout] | [INFO] [stdout] 37 | pub fn resolve(&self, symbol: InternedString) -> &str { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `from_str` [INFO] [stdout] --> src/string_interner.rs:54:8 [INFO] [stdout] | [INFO] [stdout] 54 | fn from_str(string: &str) -> InternedStringRef { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 11.86s [INFO] running `Command { std: "docker" "inspect" "0fd13f49e501f8cc6bc0cc91e13e1a34f627df22cd68511246931660786ccd20", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0fd13f49e501f8cc6bc0cc91e13e1a34f627df22cd68511246931660786ccd20", kill_on_drop: false }` [INFO] [stdout] 0fd13f49e501f8cc6bc0cc91e13e1a34f627df22cd68511246931660786ccd20