[INFO] cloning repository https://github.com/tninomiya/monkey_rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tninomiya/monkey_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftninomiya%2Fmonkey_rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftninomiya%2Fmonkey_rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 89587969f75fc98354371853a2f7a0888d45ef33 [INFO] checking tninomiya/monkey_rust against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftninomiya%2Fmonkey_rust" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tninomiya/monkey_rust on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/tninomiya/monkey_rust [INFO] finished tweaking git repo https://github.com/tninomiya/monkey_rust [INFO] tweaked toml for git repo https://github.com/tninomiya/monkey_rust written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/tninomiya/monkey_rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c7766a4b816085bf745b2d274ad3576fe92fb7392b7a8e7eb5c9d24a738ea2c2 [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" "c7766a4b816085bf745b2d274ad3576fe92fb7392b7a8e7eb5c9d24a738ea2c2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c7766a4b816085bf745b2d274ad3576fe92fb7392b7a8e7eb5c9d24a738ea2c2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c7766a4b816085bf745b2d274ad3576fe92fb7392b7a8e7eb5c9d24a738ea2c2", kill_on_drop: false }` [INFO] [stdout] c7766a4b816085bf745b2d274ad3576fe92fb7392b7a8e7eb5c9d24a738ea2c2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f64f6dda49628abf5f9ac9b0a0b9a81a7f1f93443e76af01b0c8e6b0ddfa3086 [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" "f64f6dda49628abf5f9ac9b0a0b9a81a7f1f93443e76af01b0c8e6b0ddfa3086", kill_on_drop: false }` [INFO] [stderr] Checking token v0.1.0 (/opt/rustwide/workdir/token) [INFO] [stderr] Checking lexer v0.1.0 (/opt/rustwide/workdir/lexer) [INFO] [stderr] Checking ast v0.1.0 (/opt/rustwide/workdir/ast) [INFO] [stdout] warning: field is never read: `pos` [INFO] [stdout] --> lexer/src/lexer.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | pos: usize, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `pos` [INFO] [stdout] --> lexer/src/lexer.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | pos: usize, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking repl v0.1.0 (/opt/rustwide/workdir/repl) [INFO] [stderr] Checking parser v0.1.0 (/opt/rustwide/workdir/parser) [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> parser/src/parser.rs:72:13 [INFO] [stdout] | [INFO] [stdout] 72 | _ => panic!(format!("unexpected statement: {:?}", actual)), [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `cur_token` [INFO] [stdout] --> parser/src/parser.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | cur_token: Option, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> parser/src/parser.rs:72:25 [INFO] [stdout] | [INFO] [stdout] 72 | _ => panic!(format!("unexpected statement: {:?}", actual)), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: the panic!() macro supports formatting, so there's no need for the format!() macro here [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 72 | _ => panic!("unexpected statement: {:?}", actual), [INFO] [stdout] | -- -- [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `cur_token` [INFO] [stdout] --> parser/src/parser.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | cur_token: Option, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` 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 2.96s [INFO] running `Command { std: "docker" "inspect" "f64f6dda49628abf5f9ac9b0a0b9a81a7f1f93443e76af01b0c8e6b0ddfa3086", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f64f6dda49628abf5f9ac9b0a0b9a81a7f1f93443e76af01b0c8e6b0ddfa3086", kill_on_drop: false }` [INFO] [stdout] f64f6dda49628abf5f9ac9b0a0b9a81a7f1f93443e76af01b0c8e6b0ddfa3086