[INFO] cloning repository https://github.com/andyyu2004/rust_lambda_calculus [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/andyyu2004/rust_lambda_calculus" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandyyu2004%2Frust_lambda_calculus", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandyyu2004%2Frust_lambda_calculus'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 0338fcf8342bbbfc079270004d4bd93960520f56 [INFO] building andyyu2004/rust_lambda_calculus 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%2Fandyyu2004%2Frust_lambda_calculus" "/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/andyyu2004/rust_lambda_calculus 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/andyyu2004/rust_lambda_calculus [INFO] finished tweaking git repo https://github.com/andyyu2004/rust_lambda_calculus [INFO] tweaked toml for git repo https://github.com/andyyu2004/rust_lambda_calculus written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/andyyu2004/rust_lambda_calculus 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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded dirs v2.0.1 [INFO] [stderr] Downloaded dirs-sys v0.3.3 [INFO] [stderr] Downloaded rustyline v5.0.0 [INFO] [stderr] Downloaded libc v0.2.59 [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] 381b13ed906efdda71844e8074feeba273da5379791339a0b35ce6d0d4836960 [INFO] running `Command { std: "docker" "start" "-a" "381b13ed906efdda71844e8074feeba273da5379791339a0b35ce6d0d4836960", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "381b13ed906efdda71844e8074feeba273da5379791339a0b35ce6d0d4836960", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "381b13ed906efdda71844e8074feeba273da5379791339a0b35ce6d0d4836960", kill_on_drop: false }` [INFO] [stdout] 381b13ed906efdda71844e8074feeba273da5379791339a0b35ce6d0d4836960 [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] 7c8216084c84b37c1750aee6f6fc2036511a40bcfeb6794cb65a7db625b653be [INFO] running `Command { std: "docker" "start" "-a" "7c8216084c84b37c1750aee6f6fc2036511a40bcfeb6794cb65a7db625b653be", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.59 [INFO] [stderr] Compiling cfg-if v0.1.9 [INFO] [stderr] Compiling bitflags v1.1.0 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling nix v0.14.1 [INFO] [stderr] Compiling log v0.4.7 [INFO] [stderr] Compiling void v1.0.2 [INFO] [stderr] Compiling unicode-width v0.1.5 [INFO] [stderr] Compiling unicode-segmentation v1.3.0 [INFO] [stderr] Compiling utf8parse v0.1.1 [INFO] [stderr] Compiling dirs-sys v0.3.3 [INFO] [stderr] Compiling dirs v2.0.1 [INFO] [stderr] Compiling rustyline v5.0.0 [INFO] [stderr] Compiling r_lambda_calculus v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `TokenType` [INFO] [stdout] --> src/lexing/mod.rs:2:24 [INFO] [stdout] | [INFO] [stdout] 2 | pub use token::{Token, TokenType}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/lexing/lexer.rs:43:20 [INFO] [stdout] | [INFO] [stdout] 43 | 'a'...'z' => tokens.push( [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/lexing/lexer.rs:48:26 [INFO] [stdout] | [INFO] [stdout] 48 | '$' | 'A'...'Z' => { [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.84s [INFO] running `Command { std: "docker" "inspect" "7c8216084c84b37c1750aee6f6fc2036511a40bcfeb6794cb65a7db625b653be", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7c8216084c84b37c1750aee6f6fc2036511a40bcfeb6794cb65a7db625b653be", kill_on_drop: false }` [INFO] [stdout] 7c8216084c84b37c1750aee6f6fc2036511a40bcfeb6794cb65a7db625b653be [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] 8e95d84acef07c5917655e2a002c486969847e55006d0e7fd839ed474f7032e8 [INFO] running `Command { std: "docker" "start" "-a" "8e95d84acef07c5917655e2a002c486969847e55006d0e7fd839ed474f7032e8", kill_on_drop: false }` [INFO] [stderr] Compiling r_lambda_calculus v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `TokenType` [INFO] [stdout] --> src/lexing/mod.rs:2:24 [INFO] [stdout] | [INFO] [stdout] 2 | pub use token::{Token, TokenType}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/lexing/lexer.rs:43:20 [INFO] [stdout] | [INFO] [stdout] 43 | 'a'...'z' => tokens.push( [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/lexing/lexer.rs:48:26 [INFO] [stdout] | [INFO] [stdout] 48 | '$' | 'A'...'Z' => { [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.51s [INFO] running `Command { std: "docker" "inspect" "8e95d84acef07c5917655e2a002c486969847e55006d0e7fd839ed474f7032e8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8e95d84acef07c5917655e2a002c486969847e55006d0e7fd839ed474f7032e8", kill_on_drop: false }` [INFO] [stdout] 8e95d84acef07c5917655e2a002c486969847e55006d0e7fd839ed474f7032e8