[INFO] cloning repository https://github.com/jacobjonsson/writing-an-interpreter [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jacobjonsson/writing-an-interpreter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjacobjonsson%2Fwriting-an-interpreter", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjacobjonsson%2Fwriting-an-interpreter'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a7bcf72bba7ea42a326f0a2368ab5e3695109e06 [INFO] checking jacobjonsson/writing-an-interpreter against try#9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869 for pr-129249 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjacobjonsson%2Fwriting-an-interpreter" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jacobjonsson/writing-an-interpreter on toolchain 9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/jacobjonsson/writing-an-interpreter [INFO] finished tweaking git repo https://github.com/jacobjonsson/writing-an-interpreter [INFO] tweaked toml for git repo https://github.com/jacobjonsson/writing-an-interpreter written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/jacobjonsson/writing-an-interpreter 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" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 79a01bd0119b8224081c34a9fd3c3a49ecafc602ad1a9d9196db1bf96aafb117 [INFO] running `Command { std: "docker" "start" "-a" "79a01bd0119b8224081c34a9fd3c3a49ecafc602ad1a9d9196db1bf96aafb117", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "79a01bd0119b8224081c34a9fd3c3a49ecafc602ad1a9d9196db1bf96aafb117", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "79a01bd0119b8224081c34a9fd3c3a49ecafc602ad1a9d9196db1bf96aafb117", kill_on_drop: false }` [INFO] [stdout] 79a01bd0119b8224081c34a9fd3c3a49ecafc602ad1a9d9196db1bf96aafb117 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 75be8764bf79d1ef1d4d84a99e17b78d410c268a1dac84bd84439d602469eae2 [INFO] running `Command { std: "docker" "start" "-a" "75be8764bf79d1ef1d4d84a99e17b78d410c268a1dac84bd84439d602469eae2", kill_on_drop: false }` [INFO] [stderr] Checking writing-an-interpreter v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error: this conversion is useless `&str` to `&str` [INFO] [stdout] --> src/parser.rs:953:13 [INFO] [stdout] | [INFO] [stdout] 953 | "+".into(), [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[deny(self_type_conversion)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this conversion is useless `&str` to `&str` [INFO] [stdout] --> src/parser.rs:1022:13 [INFO] [stdout] | [INFO] [stdout] 1022 | "*".into(), [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this conversion is useless `&str` to `&str` [INFO] [stdout] --> src/parser.rs:1028:13 [INFO] [stdout] | [INFO] [stdout] 1028 | "+".into(), [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `writing-an-interpreter` (bin "writing-an-interpreter" test) due to 3 previous errors [INFO] running `Command { std: "docker" "inspect" "75be8764bf79d1ef1d4d84a99e17b78d410c268a1dac84bd84439d602469eae2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "75be8764bf79d1ef1d4d84a99e17b78d410c268a1dac84bd84439d602469eae2", kill_on_drop: false }` [INFO] [stdout] 75be8764bf79d1ef1d4d84a99e17b78d410c268a1dac84bd84439d602469eae2