[INFO] updating cached repository https://github.com/AZanellato/rlox
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] [stderr] From https://github.com/AZanellato/rlox
[INFO] [stderr]    8102137..ef50839  control-flow -> control-flow
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 92358a475c4be7e07043aac3afd0b086be2175e9
[INFO] checking AZanellato/rlox against try#d7b51666469c792a8a3f40849607739bae1e705e for pr-71665
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAZanellato%2Frlox" "/workspace/builds/worker-10/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AZanellato/rlox on toolchain d7b51666469c792a8a3f40849607739bae1e705e
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/AZanellato/rlox
[INFO] finished tweaking git repo https://github.com/AZanellato/rlox
[INFO] tweaked toml for git repo https://github.com/AZanellato/rlox written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/AZanellato/rlox already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] d3d550ee21ce2dd8f3dd966662f6b1b57815561dd56101f28d67035b3be511b7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "d3d550ee21ce2dd8f3dd966662f6b1b57815561dd56101f28d67035b3be511b7"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling proc-macro2 v1.0.5
[INFO] [stderr]    Compiling ppv-lite86 v0.2.5
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]    Compiling siphasher v0.3.1
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking unicode-segmentation v1.3.0
[INFO] [stderr]     Checking utf8parse v0.1.1
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking phf_shared v0.8.0
[INFO] [stderr]    Compiling getrandom v0.1.12
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling c2-chacha v0.2.2
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling rand_pcg v0.2.0
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]     Checking rustyline v5.0.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling derive_more v0.99.2
[INFO] [stderr]    Compiling phf_macros v0.8.0
[INFO] [stderr]     Checking phf v0.8.0
[INFO] [stderr]     Checking rlox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]    --> src/lox/interpreter.rs:255:9
[INFO] [stderr]     |
[INFO] [stderr] 255 |     use super::*;
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::lox::expr::Literal as ExprLiteral`
[INFO] [stderr]    --> src/lox/interpreter.rs:256:9
[INFO] [stderr]     |
[INFO] [stderr] 256 |     use crate::lox::expr::Literal as ExprLiteral;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Literal`, `TokenType`, `Token`
[INFO] [stderr]    --> src/lox/interpreter.rs:257:29
[INFO] [stderr]     |
[INFO] [stderr] 257 |     use crate::lox::token::{Literal, Token, TokenType};
[INFO] [stderr]     |                             ^^^^^^^  ^^^^^  ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `print_node`
[INFO] [stderr]  --> src/lox/ast_printer.rs:4:8
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn print_node(expr: Expr) {
[INFO] [stderr]   |        ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `print_binary`
[INFO] [stderr]   --> src/lox/ast_printer.rs:16:4
[INFO] [stderr]    |
[INFO] [stderr] 16 | fn print_binary(expr: Binary) {
[INFO] [stderr]    |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `print_unary`
[INFO] [stderr]   --> src/lox/ast_printer.rs:22:4
[INFO] [stderr]    |
[INFO] [stderr] 22 | fn print_unary(expr: Unary) {
[INFO] [stderr]    |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `print_grouping`
[INFO] [stderr]   --> src/lox/ast_printer.rs:28:4
[INFO] [stderr]    |
[INFO] [stderr] 28 | fn print_grouping(expr: Grouping) {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `print_node`
[INFO] [stderr]  --> src/lox/ast_printer.rs:4:8
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn print_node(expr: Expr) {
[INFO] [stderr]   |        ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `print_binary`
[INFO] [stderr]   --> src/lox/ast_printer.rs:16:4
[INFO] [stderr]    |
[INFO] [stderr] 16 | fn print_binary(expr: Binary) {
[INFO] [stderr]    |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `print_unary`
[INFO] [stderr]   --> src/lox/ast_printer.rs:22:4
[INFO] [stderr]    |
[INFO] [stderr] 22 | fn print_unary(expr: Unary) {
[INFO] [stderr]    |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `print_grouping`
[INFO] [stderr]   --> src/lox/ast_printer.rs:28:4
[INFO] [stderr]    |
[INFO] [stderr] 28 | fn print_grouping(expr: Grouping) {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 01s
[INFO] running `"docker" "inspect" "d3d550ee21ce2dd8f3dd966662f6b1b57815561dd56101f28d67035b3be511b7"`
[INFO] running `"docker" "rm" "-f" "d3d550ee21ce2dd8f3dd966662f6b1b57815561dd56101f28d67035b3be511b7"`
[INFO] [stdout] d3d550ee21ce2dd8f3dd966662f6b1b57815561dd56101f28d67035b3be511b7