[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 416264364aa47959f5827723e1d7dabc95d0744b for pr-162242
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandyyu2004%2Frust_lambda_calculus" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-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-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/andyyu2004/rust_lambda_calculus on toolchain 416264364aa47959f5827723e1d7dabc95d0744b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+416264364aa47959f5827723e1d7dabc95d0744b" "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" "+416264364aa47959f5827723e1d7dabc95d0744b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: binary `r_lambda_calculus` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /workspace/builds/worker-6-tc2/source/target/.../r_lambda_calculus
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::non_kebab_case_bins` is set to `warn` by default
[INFO] [stderr] help: to change the binary name to `r-lambda-calculus`, convert `package.name`
[INFO] [stderr]   --> Cargo.toml:7:8
[INFO] [stderr]    |
[INFO] [stderr]  7 - name = "r_lambda_calculus"
[INFO] [stderr]  7 + name = "r-lambda-calculus"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `r-lambda-calculus`, specify `bin.name`
[INFO] [stderr]   --> Cargo.toml:8:19
[INFO] [stderr]    |
[INFO] [stderr]  8 ~ version = "0.1.0"
[INFO] [stderr]  9 + [[bin]]
[INFO] [stderr] 10 + name = "r-lambda-calculus"
[INFO] [stderr] 11 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `r_lambda_calculus` (manifest) generated 1 warning
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unicode-width v0.1.5
[INFO] [stderr]   Downloaded unicode-segmentation v1.3.0
[INFO] [stderr]   Downloaded rustyline v5.0.0
[INFO] [stderr]   Downloaded failure_derive v0.1.5
[INFO] [stderr]   Downloaded cfg-if v0.1.9
[INFO] [stderr]   Downloaded dirs-sys v0.3.3
[INFO] [stderr]   Downloaded log v0.4.7
[INFO] [stderr]   Downloaded rand_core v0.4.0
[INFO] [stderr]   Downloaded void v1.0.2
[INFO] [stderr]   Downloaded bitflags v1.1.0
[INFO] [stderr]   Downloaded redox_users v0.3.0
[INFO] [stderr]   Downloaded constant_time_eq v0.1.3
[INFO] [stderr]   Downloaded nodrop v0.1.13
[INFO] [stderr]   Downloaded dirs v2.0.1
[INFO] [stderr]   Downloaded blake2-rfc v0.2.18
[INFO] [stderr]   Downloaded rustc-demangle v0.1.15
[INFO] [stderr]   Downloaded synstructure v0.10.2
[INFO] [stderr]   Downloaded arrayvec v0.4.11
[INFO] [stderr]   Downloaded cc v1.0.37
[INFO] [stderr]   Downloaded failure v0.1.5
[INFO] [stderr]   Downloaded backtrace v0.3.32
[INFO] [stderr]   Downloaded utf8parse v0.1.1
[INFO] [stderr]   Downloaded nix v0.14.1
[INFO] [stderr]   Downloaded syn v0.15.39
[INFO] [stderr]   Downloaded argon2rs v0.2.5
[INFO] [stderr]   Downloaded libc v0.2.59
[INFO] [stderr]   Downloaded backtrace-sys v0.1.30
[INFO] [stderr]   Downloaded winapi v0.3.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] b5936d3c25279ea820fc4e2e69f96835ce7c21f41adf2bfa81847f6f2339c622
[INFO] running `Command { std: "docker" "start" "b5936d3c25279ea820fc4e2e69f96835ce7c21f41adf2bfa81847f6f2339c622", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b5936d3c25279ea820fc4e2e69f96835ce7c21f41adf2bfa81847f6f2339c622", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "b5936d3c25279ea820fc4e2e69f96835ce7c21f41adf2bfa81847f6f2339c622" "/opt/rustwide/cargo-home/bin/cargo" "+416264364aa47959f5827723e1d7dabc95d0744b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b5936d3c25279ea820fc4e2e69f96835ce7c21f41adf2bfa81847f6f2339c622", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "b5936d3c25279ea820fc4e2e69f96835ce7c21f41adf2bfa81847f6f2339c622" "/opt/rustwide/cargo-home/bin/cargo" "+416264364aa47959f5827723e1d7dabc95d0744b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: binary `r_lambda_calculus` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /opt/rustwide/target/.../r_lambda_calculus
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::non_kebab_case_bins` is set to `warn` by default
[INFO] [stderr] help: to change the binary name to `r-lambda-calculus`, convert `package.name`
[INFO] [stderr]   --> Cargo.toml:7:8
[INFO] [stderr]    |
[INFO] [stderr]  7 - name = "r_lambda_calculus"
[INFO] [stderr]  7 + name = "r-lambda-calculus"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `r-lambda-calculus`, specify `bin.name`
[INFO] [stderr]   --> Cargo.toml:8:19
[INFO] [stderr]    |
[INFO] [stderr]  8 ~ version = "0.1.0"
[INFO] [stderr]  9 + [[bin]]
[INFO] [stderr] 10 + name = "r-lambda-calculus"
[INFO] [stderr] 11 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `r_lambda_calculus` (manifest) generated 1 warning
[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 nix v0.14.1
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling log v0.4.7
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking utf8parse v0.1.1
[INFO] [stderr]     Checking unicode-segmentation v1.3.0
[INFO] [stderr]     Checking unicode-width v0.1.5
[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 2.85s
[INFO] running `Command { std: "docker" "inspect" "b5936d3c25279ea820fc4e2e69f96835ce7c21f41adf2bfa81847f6f2339c622", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5936d3c25279ea820fc4e2e69f96835ce7c21f41adf2bfa81847f6f2339c622", kill_on_drop: false }`
[INFO] [stdout] b5936d3c25279ea820fc4e2e69f96835ce7c21f41adf2bfa81847f6f2339c622
