[INFO] cloning repository https://github.com/Nilstrieb/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/Nilstrieb/lambda-calculus" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNilstrieb%2Flambda-calculus", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNilstrieb%2Flambda-calculus'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 700c8624f65c24ea44c28d55a20e3f04f4cb6b24
[INFO] checking Nilstrieb/lambda-calculus against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNilstrieb%2Flambda-calculus" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Nilstrieb/lambda-calculus
[INFO] finished tweaking git repo https://github.com/Nilstrieb/lambda-calculus
[INFO] tweaked toml for git repo https://github.com/Nilstrieb/lambda-calculus written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Nilstrieb/lambda-calculus on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Nilstrieb/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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded const-random v0.1.13
[INFO] [stderr]   Downloaded yansi v0.5.0
[INFO] [stderr]   Downloaded serde_yaml v0.8.23
[INFO] [stderr]   Downloaded ariadne v0.1.3
[INFO] [stderr]   Downloaded similar v2.1.0
[INFO] [stderr]   Downloaded const-random-macro v0.1.13
[INFO] [stderr]   Downloaded chumsky v0.7.0
[INFO] [stderr]   Downloaded insta v1.12.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 53e3e917ee0554ad571d4c860843744879f955c1a7fa2202ebe1271f2ec05613
[INFO] running `Command { std: "docker" "start" "-a" "53e3e917ee0554ad571d4c860843744879f955c1a7fa2202ebe1271f2ec05613", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "53e3e917ee0554ad571d4c860843744879f955c1a7fa2202ebe1271f2ec05613", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53e3e917ee0554ad571d4c860843744879f955c1a7fa2202ebe1271f2ec05613", kill_on_drop: false }`
[INFO] [stdout] 53e3e917ee0554ad571d4c860843744879f955c1a7fa2202ebe1271f2ec05613
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ccb5e286f9dfbac742ffbe6e3cf53090113ca66e40b0a21055e0121e65a10194
[INFO] running `Command { std: "docker" "start" "-a" "ccb5e286f9dfbac742ffbe6e3cf53090113ca66e40b0a21055e0121e65a10194", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.116
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling beef v0.5.1
[INFO] [stderr]     Checking yansi v0.5.0
[INFO] [stderr]    Compiling serde_json v1.0.78
[INFO] [stderr]     Checking similar v2.1.0
[INFO] [stderr]     Checking ariadne v0.1.3
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]     Checking console v0.15.0
[INFO] [stderr]    Compiling getrandom v0.2.4
[INFO] [stderr]    Compiling const-random-macro v0.1.13
[INFO] [stderr]     Checking const-random v0.1.13
[INFO] [stderr]     Checking ahash v0.3.8
[INFO] [stderr]     Checking chumsky v0.7.0
[INFO] [stderr]    Compiling logos-derive v0.12.0
[INFO] [stderr]     Checking logos v0.12.0
[INFO] [stderr]     Checking lambda-calculus v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/lib.rs:56:14
[INFO] [stdout]    |
[INFO] [stdout] 56 |         Name(String),
[INFO] [stdout]    |         ---- ^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Expr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 56 -         Name(String),
[INFO] [stdout] 56 +         Name(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `callee` and `argument` are never read
[INFO] [stdout]   --> src/lib.rs:58:13
[INFO] [stdout]    |
[INFO] [stdout] 57 |         Application {
[INFO] [stdout]    |         ----------- fields in this variant
[INFO] [stdout] 58 |             callee: Box<Expr>,
[INFO] [stdout]    |             ^^^^^^
[INFO] [stdout] 59 |             argument: Box<Expr>,
[INFO] [stdout]    |             ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Expr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `params` and `body` are never read
[INFO] [stdout]   --> src/lib.rs:62:13
[INFO] [stdout]    |
[INFO] [stdout] 61 |         Abstraction {
[INFO] [stdout]    |         ----------- fields in this variant
[INFO] [stdout] 62 |             params: Vec<char>,
[INFO] [stdout]    |             ^^^^^^
[INFO] [stdout] 63 |             body: Box<Expr>,
[INFO] [stdout]    |             ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Expr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking serde_yaml v0.8.23
[INFO] [stderr]     Checking insta v1.12.0
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/lib.rs:56:14
[INFO] [stdout]    |
[INFO] [stdout] 56 |         Name(String),
[INFO] [stdout]    |         ---- ^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Expr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 56 -         Name(String),
[INFO] [stdout] 56 +         Name(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `callee` and `argument` are never read
[INFO] [stdout]   --> src/lib.rs:58:13
[INFO] [stdout]    |
[INFO] [stdout] 57 |         Application {
[INFO] [stdout]    |         ----------- fields in this variant
[INFO] [stdout] 58 |             callee: Box<Expr>,
[INFO] [stdout]    |             ^^^^^^
[INFO] [stdout] 59 |             argument: Box<Expr>,
[INFO] [stdout]    |             ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Expr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `params` and `body` are never read
[INFO] [stdout]   --> src/lib.rs:62:13
[INFO] [stdout]    |
[INFO] [stdout] 61 |         Abstraction {
[INFO] [stdout]    |         ----------- fields in this variant
[INFO] [stdout] 62 |             params: Vec<char>,
[INFO] [stdout]    |             ^^^^^^
[INFO] [stdout] 63 |             body: Box<Expr>,
[INFO] [stdout]    |             ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Expr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.86s
[INFO] running `Command { std: "docker" "inspect" "ccb5e286f9dfbac742ffbe6e3cf53090113ca66e40b0a21055e0121e65a10194", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccb5e286f9dfbac742ffbe6e3cf53090113ca66e40b0a21055e0121e65a10194", kill_on_drop: false }`
[INFO] [stdout] ccb5e286f9dfbac742ffbe6e3cf53090113ca66e40b0a21055e0121e65a10194
