[INFO] updating cached repository https://github.com/ABorse/ProgLang18 [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] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 9bdf1dc4a524a35dff652f36037009f45d6b388c [INFO] checking ABorse/ProgLang18 against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FABorse%2FProgLang18" "/workspace/builds/worker-6/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ABorse/ProgLang18 on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d [INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/ABorse/ProgLang18 [INFO] finished tweaking git repo https://github.com/ABorse/ProgLang18 [INFO] tweaked toml for git repo https://github.com/ABorse/ProgLang18 written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/ABorse/ProgLang18 already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 1568b38c3faa9f845af589532dc6d9623c8df6cceb161f6b58117874799accf3 [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" "1568b38c3faa9f845af589532dc6d9623c8df6cceb161f6b58117874799accf3"` [INFO] [stderr] Checking updated_scheme v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/parser.rs:8:22 [INFO] [stderr] | [INFO] [stderr] 8 | fn parse_conditional(mut tokens: &mut Vec, environment: &Environment) -> Expression { [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/parser.rs:45:19 [INFO] [stderr] | [INFO] [stderr] 45 | fn parse_compound(mut tokens: &mut Vec, environment: &Environment) -> Expression { [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/parser.rs:8:22 [INFO] [stderr] | [INFO] [stderr] 8 | fn parse_conditional(mut tokens: &mut Vec, environment: &Environment) -> Expression { [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/parser.rs:45:19 [INFO] [stderr] | [INFO] [stderr] 45 | fn parse_compound(mut tokens: &mut Vec, environment: &Environment) -> Expression { [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/parser.rs:86:14 [INFO] [stderr] | [INFO] [stderr] 86 | pub fn parse(mut tokens: &mut Vec, environment: &Environment) -> Expression { [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/parser.rs:86:14 [INFO] [stderr] | [INFO] [stderr] 86 | pub fn parse(mut tokens: &mut Vec, environment: &Environment) -> Expression { [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/environment_parser.rs:8:29 [INFO] [stderr] | [INFO] [stderr] 8 | pub fn parse_to_environment(mut v: &mut Vec) -> Environment { [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/environment_parser.rs:11:9 [INFO] [stderr] | [INFO] [stderr] 11 | let mut hash: HashMap = HashMap::new(); [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/environment_parser.rs:8:29 [INFO] [stderr] | [INFO] [stderr] 8 | pub fn parse_to_environment(mut v: &mut Vec) -> Environment { [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/environment_parser.rs:11:9 [INFO] [stderr] | [INFO] [stderr] 11 | let mut hash: HashMap = HashMap::new(); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: 5 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: 5 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::collections::HashMap` [INFO] [stderr] --> tests/test_interpreter.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | use std::collections::HashMap; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.32s [INFO] running `"docker" "inspect" "1568b38c3faa9f845af589532dc6d9623c8df6cceb161f6b58117874799accf3"` [INFO] running `"docker" "rm" "-f" "1568b38c3faa9f845af589532dc6d9623c8df6cceb161f6b58117874799accf3"` [INFO] [stdout] 1568b38c3faa9f845af589532dc6d9623c8df6cceb161f6b58117874799accf3