[INFO] cloning repository https://github.com/ticklepoke/rust-lox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ticklepoke/rust-lox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fticklepoke%2Frust-lox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fticklepoke%2Frust-lox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9d08c0953a6485ba9c54ee37642b763e7757cc3e
[INFO] building ticklepoke/rust-lox against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fticklepoke%2Frust-lox" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ticklepoke/rust-lox on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ticklepoke/rust-lox
[INFO] finished tweaking git repo https://github.com/ticklepoke/rust-lox
[INFO] tweaked toml for git repo https://github.com/ticklepoke/rust-lox written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ticklepoke/rust-lox 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e1d7f6b92f3f41ce5e9d2b96012a185bd0e89f3d05fe514d72948e3705dfc6b5
[INFO] running `Command { std: "docker" "start" "-a" "e1d7f6b92f3f41ce5e9d2b96012a185bd0e89f3d05fe514d72948e3705dfc6b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e1d7f6b92f3f41ce5e9d2b96012a185bd0e89f3d05fe514d72948e3705dfc6b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1d7f6b92f3f41ce5e9d2b96012a185bd0e89f3d05fe514d72948e3705dfc6b5", kill_on_drop: false }`
[INFO] [stdout] e1d7f6b92f3f41ce5e9d2b96012a185bd0e89f3d05fe514d72948e3705dfc6b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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 -Dtail-expr-drop-order" "-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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 900dcec2cf3786d8ed840e0efc8b476ac319a798d608027caa90a0ef38994627
[INFO] running `Command { std: "docker" "start" "-a" "900dcec2cf3786d8ed840e0efc8b476ac319a798d608027caa90a0ef38994627", kill_on_drop: false }`
[INFO] [stderr]    Compiling utils v0.1.0 (/opt/rustwide/workdir/utils)
[INFO] [stderr]    Compiling vm v0.1.0 (/opt/rustwide/workdir/vm)
[INFO] [stderr]    Compiling frontend v0.1.0 (/opt/rustwide/workdir/frontend)
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> frontend/src/literal.rs:52:67
[INFO] [stdout]    |
[INFO] [stdout] 52 |             (&Literal::String(ref s), &Literal::String(ref o)) => (s == o),
[INFO] [stdout]    |                                                                   ^      ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 52 -             (&Literal::String(ref s), &Literal::String(ref o)) => (s == o),
[INFO] [stdout] 52 +             (&Literal::String(ref s), &Literal::String(ref o)) => s == o,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> frontend/src/literal.rs:53:67
[INFO] [stdout]    |
[INFO] [stdout] 53 |             (&Literal::Number(ref s), &Literal::Number(ref o)) => (s == o),
[INFO] [stdout]    |                                                                   ^      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 53 -             (&Literal::Number(ref s), &Literal::Number(ref o)) => (s == o),
[INFO] [stdout] 53 +             (&Literal::Number(ref s), &Literal::Number(ref o)) => s == o,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> frontend/src/literal.rs:54:69
[INFO] [stdout]    |
[INFO] [stdout] 54 |             (&Literal::Boolean(ref s), &Literal::Boolean(ref o)) => (s == o),
[INFO] [stdout]    |                                                                     ^      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 54 -             (&Literal::Boolean(ref s), &Literal::Boolean(ref o)) => (s == o),
[INFO] [stdout] 54 +             (&Literal::Boolean(ref s), &Literal::Boolean(ref o)) => s == o,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling interpreter v0.1.0 (/opt/rustwide/workdir/interpreter)
[INFO] [stderr]    Compiling lox v0.1.0 (/opt/rustwide/workdir/lox)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `Command { std: "docker" "inspect" "900dcec2cf3786d8ed840e0efc8b476ac319a798d608027caa90a0ef38994627", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "900dcec2cf3786d8ed840e0efc8b476ac319a798d608027caa90a0ef38994627", kill_on_drop: false }`
[INFO] [stdout] 900dcec2cf3786d8ed840e0efc8b476ac319a798d608027caa90a0ef38994627
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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 -Dtail-expr-drop-order" "-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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] efe89e2e37b2c33283ae32975ce848e0b5ce73355764a81de3b1a45557a54b3c
[INFO] running `Command { std: "docker" "start" "-a" "efe89e2e37b2c33283ae32975ce848e0b5ce73355764a81de3b1a45557a54b3c", kill_on_drop: false }`
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> frontend/src/literal.rs:52:67
[INFO] [stdout]    |
[INFO] [stdout] 52 |             (&Literal::String(ref s), &Literal::String(ref o)) => (s == o),
[INFO] [stdout]    |                                                                   ^      ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 52 -             (&Literal::String(ref s), &Literal::String(ref o)) => (s == o),
[INFO] [stdout] 52 +             (&Literal::String(ref s), &Literal::String(ref o)) => s == o,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> frontend/src/literal.rs:53:67
[INFO] [stdout]    |
[INFO] [stdout] 53 |             (&Literal::Number(ref s), &Literal::Number(ref o)) => (s == o),
[INFO] [stdout]    |                                                                   ^      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 53 -             (&Literal::Number(ref s), &Literal::Number(ref o)) => (s == o),
[INFO] [stdout] 53 +             (&Literal::Number(ref s), &Literal::Number(ref o)) => s == o,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> frontend/src/literal.rs:54:69
[INFO] [stdout]    |
[INFO] [stdout] 54 |             (&Literal::Boolean(ref s), &Literal::Boolean(ref o)) => (s == o),
[INFO] [stdout]    |                                                                     ^      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 54 -             (&Literal::Boolean(ref s), &Literal::Boolean(ref o)) => (s == o),
[INFO] [stdout] 54 +             (&Literal::Boolean(ref s), &Literal::Boolean(ref o)) => s == o,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling interpreter v0.1.0 (/opt/rustwide/workdir/interpreter)
[INFO] [stderr]    Compiling frontend v0.1.0 (/opt/rustwide/workdir/frontend)
[INFO] [stderr]    Compiling utils v0.1.0 (/opt/rustwide/workdir/utils)
[INFO] [stderr]    Compiling lox v0.1.0 (/opt/rustwide/workdir/lox)
[INFO] [stderr]    Compiling vm v0.1.0 (/opt/rustwide/workdir/vm)
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> frontend/src/literal.rs:52:67
[INFO] [stdout]    |
[INFO] [stdout] 52 |             (&Literal::String(ref s), &Literal::String(ref o)) => (s == o),
[INFO] [stdout]    |                                                                   ^      ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 52 -             (&Literal::String(ref s), &Literal::String(ref o)) => (s == o),
[INFO] [stdout] 52 +             (&Literal::String(ref s), &Literal::String(ref o)) => s == o,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> frontend/src/literal.rs:53:67
[INFO] [stdout]    |
[INFO] [stdout] 53 |             (&Literal::Number(ref s), &Literal::Number(ref o)) => (s == o),
[INFO] [stdout]    |                                                                   ^      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 53 -             (&Literal::Number(ref s), &Literal::Number(ref o)) => (s == o),
[INFO] [stdout] 53 +             (&Literal::Number(ref s), &Literal::Number(ref o)) => s == o,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> frontend/src/literal.rs:54:69
[INFO] [stdout]    |
[INFO] [stdout] 54 |             (&Literal::Boolean(ref s), &Literal::Boolean(ref o)) => (s == o),
[INFO] [stdout]    |                                                                     ^      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 54 -             (&Literal::Boolean(ref s), &Literal::Boolean(ref o)) => (s == o),
[INFO] [stdout] 54 +             (&Literal::Boolean(ref s), &Literal::Boolean(ref o)) => s == o,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "efe89e2e37b2c33283ae32975ce848e0b5ce73355764a81de3b1a45557a54b3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efe89e2e37b2c33283ae32975ce848e0b5ce73355764a81de3b1a45557a54b3c", kill_on_drop: false }`
[INFO] [stdout] efe89e2e37b2c33283ae32975ce848e0b5ce73355764a81de3b1a45557a54b3c