[INFO] cloning repository https://github.com/cannero/monkey_interpreter_compiler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cannero/monkey_interpreter_compiler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcannero%2Fmonkey_interpreter_compiler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcannero%2Fmonkey_interpreter_compiler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cdae8be83281df0607fbaa79ab73ce86f6066d4f
[INFO] checking cannero/monkey_interpreter_compiler/cdae8be83281df0607fbaa79ab73ce86f6066d4f against try#0d69e2d38d443a5f5bcd601fecce9431b3835c30 for pr-130531
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcannero%2Fmonkey_interpreter_compiler" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cannero/monkey_interpreter_compiler on toolchain 0d69e2d38d443a5f5bcd601fecce9431b3835c30
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0d69e2d38d443a5f5bcd601fecce9431b3835c30" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cannero/monkey_interpreter_compiler
[INFO] finished tweaking git repo https://github.com/cannero/monkey_interpreter_compiler
[INFO] tweaked toml for git repo https://github.com/cannero/monkey_interpreter_compiler written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/cannero/monkey_interpreter_compiler already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0d69e2d38d443a5f5bcd601fecce9431b3835c30" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+0d69e2d38d443a5f5bcd601fecce9431b3835c30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eb104085d3ac01da4e56c7afc86c4f06a2cc6f51f4b31ec4c91a72586a9ef801
[INFO] running `Command { std: "docker" "start" "-a" "eb104085d3ac01da4e56c7afc86c4f06a2cc6f51f4b31ec4c91a72586a9ef801", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eb104085d3ac01da4e56c7afc86c4f06a2cc6f51f4b31ec4c91a72586a9ef801", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb104085d3ac01da4e56c7afc86c4f06a2cc6f51f4b31ec4c91a72586a9ef801", kill_on_drop: false }`
[INFO] [stdout] eb104085d3ac01da4e56c7afc86c4f06a2cc6f51f4b31ec4c91a72586a9ef801
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+0d69e2d38d443a5f5bcd601fecce9431b3835c30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 92d87fd528045096c30f24d60880b14d828f7d325c3c028eac49f0ee9afe5feb
[INFO] running `Command { std: "docker" "start" "-a" "92d87fd528045096c30f24d60880b14d828f7d325c3c028eac49f0ee9afe5feb", kill_on_drop: false }`
[INFO] [stderr]     Checking libinterpreter v0.1.0 (/opt/rustwide/workdir/libinterpreter)
[INFO] [stderr]     Checking repl v0.1.0 (/opt/rustwide/workdir/repl)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> libinterpreter/src/parser.rs:544:45
[INFO] [stdout]     |
[INFO] [stdout] 544 |         assert!(parser.errors().len() == 2, parser.errors().join(";"));
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]     |
[INFO] [stdout] 544 |         assert!(parser.errors().len() == 2, "{}", parser.errors().join(";"));
[INFO] [stdout]     |                                             +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "92d87fd528045096c30f24d60880b14d828f7d325c3c028eac49f0ee9afe5feb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92d87fd528045096c30f24d60880b14d828f7d325c3c028eac49f0ee9afe5feb", kill_on_drop: false }`
[INFO] [stdout] 92d87fd528045096c30f24d60880b14d828f7d325c3c028eac49f0ee9afe5feb