[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 master#c9228570668803e3e6402770d55f23a12c9ae686 for pr-79472 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FABorse%2FProgLang18" "/workspace/builds/worker-1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ABorse/ProgLang18 on toolchain c9228570668803e3e6402770d55f23a12c9ae686 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "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-1/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" "+c9228570668803e3e6402770d55f23a12c9ae686" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+c9228570668803e3e6402770d55f23a12c9ae686" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7dacfd6a5fb58c2f0006d8eeee9376c849a1f15d2a32dca05777b4b42f4863d4 [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" "7dacfd6a5fb58c2f0006d8eeee9376c849a1f15d2a32dca05777b4b42f4863d4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7dacfd6a5fb58c2f0006d8eeee9376c849a1f15d2a32dca05777b4b42f4863d4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7dacfd6a5fb58c2f0006d8eeee9376c849a1f15d2a32dca05777b4b42f4863d4", kill_on_drop: false }` [INFO] [stdout] 7dacfd6a5fb58c2f0006d8eeee9376c849a1f15d2a32dca05777b4b42f4863d4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+c9228570668803e3e6402770d55f23a12c9ae686" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 15a023be9e3e370c82a829598eb95e1793cd3c2daf734ccc941a10aaaf6a7bbb [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" "15a023be9e3e370c82a829598eb95e1793cd3c2daf734ccc941a10aaaf6a7bbb", 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: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: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/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/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: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 0.92s [INFO] running `Command { std: "docker" "inspect" "15a023be9e3e370c82a829598eb95e1793cd3c2daf734ccc941a10aaaf6a7bbb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "15a023be9e3e370c82a829598eb95e1793cd3c2daf734ccc941a10aaaf6a7bbb", kill_on_drop: false }` [INFO] [stdout] 15a023be9e3e370c82a829598eb95e1793cd3c2daf734ccc941a10aaaf6a7bbb