[INFO] cloning repository https://github.com/ABorse/ProgLang18 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ABorse/ProgLang18" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FABorse%2FProgLang18", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FABorse%2FProgLang18'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 9bdf1dc4a524a35dff652f36037009f45d6b388c [INFO] checking ABorse/ProgLang18 against try#b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8 for pr-78363 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FABorse%2FProgLang18" "/workspace/builds/worker-13/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ABorse/ProgLang18 on toolchain b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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-13/source/Cargo.toml [INFO] crate git repo https://github.com/ABorse/ProgLang18 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5acdab60d8356d4fce363339ccc477585e68a94eb829dfc1733de7578bbf9aa3 [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" "5acdab60d8356d4fce363339ccc477585e68a94eb829dfc1733de7578bbf9aa3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5acdab60d8356d4fce363339ccc477585e68a94eb829dfc1733de7578bbf9aa3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5acdab60d8356d4fce363339ccc477585e68a94eb829dfc1733de7578bbf9aa3", kill_on_drop: false }` [INFO] [stdout] 5acdab60d8356d4fce363339ccc477585e68a94eb829dfc1733de7578bbf9aa3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ef5ed396d144d5d5c400af6cf67e0f18c61278855cd0e2f9826daee49d82f18f [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" "ef5ed396d144d5d5c400af6cf67e0f18c61278855cd0e2f9826daee49d82f18f", kill_on_drop: false }` [INFO] [stderr] Checking updated_scheme v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/parser.rs:8:22 [INFO] [stdout] | [INFO] [stdout] 8 | fn parse_conditional(mut tokens: &mut Vec, environment: &Environment) -> Expression { [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/parser.rs:45:19 [INFO] [stdout] | [INFO] [stdout] 45 | fn parse_compound(mut tokens: &mut Vec, environment: &Environment) -> Expression { [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/parser.rs:86:14 [INFO] [stdout] | [INFO] [stdout] 86 | pub fn parse(mut tokens: &mut Vec, environment: &Environment) -> Expression { [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/environment_parser.rs:8:29 [INFO] [stdout] | [INFO] [stdout] 8 | pub fn parse_to_environment(mut v: &mut Vec) -> Environment { [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/environment_parser.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 11 | let mut hash: HashMap = HashMap::new(); [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/parser.rs:8:22 [INFO] [stdout] | [INFO] [stdout] 8 | fn parse_conditional(mut tokens: &mut Vec, environment: &Environment) -> Expression { [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/parser.rs:45:19 [INFO] [stdout] | [INFO] [stdout] 45 | fn parse_compound(mut tokens: &mut Vec, environment: &Environment) -> Expression { [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/parser.rs:86:14 [INFO] [stdout] | [INFO] [stdout] 86 | pub fn parse(mut tokens: &mut Vec, environment: &Environment) -> Expression { [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/environment_parser.rs:8:29 [INFO] [stdout] | [INFO] [stdout] 8 | pub fn parse_to_environment(mut v: &mut Vec) -> Environment { [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/environment_parser.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 11 | let mut hash: HashMap = HashMap::new(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::HashMap` [INFO] [stdout] --> tests/test_interpreter.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::collections::HashMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.43s [INFO] running `Command { std: "docker" "inspect" "ef5ed396d144d5d5c400af6cf67e0f18c61278855cd0e2f9826daee49d82f18f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ef5ed396d144d5d5c400af6cf67e0f18c61278855cd0e2f9826daee49d82f18f", kill_on_drop: false }` [INFO] [stdout] ef5ed396d144d5d5c400af6cf67e0f18c61278855cd0e2f9826daee49d82f18f