[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] checking andyyu2004/rust_lambda_calculus against try#b28cc4eb48a6415b914e8ad0308be255ff8d73ed for pr-156508-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandyyu2004%2Frust_lambda_calculus" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[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-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/andyyu2004/rust_lambda_calculus on toolchain b28cc4eb48a6415b914e8ad0308be255ff8d73ed
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b28cc4eb48a6415b914e8ad0308be255ff8d73ed" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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" "+b28cc4eb48a6415b914e8ad0308be255ff8d73ed" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b28cc4eb48a6415b914e8ad0308be255ff8d73ed" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 249746c1f4621be1e2b7130d2163c23a38ce65675b5c3f171d1ca2ab65726eb2
[INFO] running `Command { std: "docker" "start" "-a" "249746c1f4621be1e2b7130d2163c23a38ce65675b5c3f171d1ca2ab65726eb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "249746c1f4621be1e2b7130d2163c23a38ce65675b5c3f171d1ca2ab65726eb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "249746c1f4621be1e2b7130d2163c23a38ce65675b5c3f171d1ca2ab65726eb2", kill_on_drop: false }`
[INFO] [stdout] 249746c1f4621be1e2b7130d2163c23a38ce65675b5c3f171d1ca2ab65726eb2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b28cc4eb48a6415b914e8ad0308be255ff8d73ed" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5fd0b91197d7179263565717e5116d3336d271f3fe2c7a0761fd9bc53c5133e5
[INFO] running `Command { std: "docker" "start" "-a" "5fd0b91197d7179263565717e5116d3336d271f3fe2c7a0761fd9bc53c5133e5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.59
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling log v0.4.7
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking unicode-segmentation v1.3.0
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking utf8parse v0.1.1
[INFO] [stderr]     Checking dirs-sys v0.3.3
[INFO] [stderr]     Checking dirs v2.0.1
[INFO] [stderr]     Checking rustyline v5.0.0
[INFO] [stderr]     Checking 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)]` (part of `#[warn(unused)]`) 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 <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` (part of `#[warn(rust_2021_compatibility)]`) 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 |                 '$' | 'A'...'Z' => {
[INFO] [stdout]    |                          ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TokenType`
[INFO] [stdout]  --> src/lexing/mod.rs:2:24
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub use token::{Token, TokenType};
[INFO] [stdout]   |                        ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/lexing/lexer.rs:43:20
[INFO] [stdout]    |
[INFO] [stdout] 43 |                 'a'...'z' => tokens.push(
[INFO] [stdout]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/lexing/lexer.rs:48:26
[INFO] [stdout]    |
[INFO] [stdout] 48 |                 '$' | '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 <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.20s
[INFO] running `Command { std: "docker" "inspect" "5fd0b91197d7179263565717e5116d3336d271f3fe2c7a0761fd9bc53c5133e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fd0b91197d7179263565717e5116d3336d271f3fe2c7a0761fd9bc53c5133e5", kill_on_drop: false }`
[INFO] [stdout] 5fd0b91197d7179263565717e5116d3336d271f3fe2c7a0761fd9bc53c5133e5
