[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 try#b1f2594eac607c1f051534800237eeedb5590a49 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-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/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-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/Nilstrieb/lambda-calculus on toolchain b1f2594eac607c1f051534800237eeedb5590a49 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "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" "+b1f2594eac607c1f051534800237eeedb5590a49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a74e7e8c69b2357663901528c912ceac0f512d8cb27ca77e4079d9213cea84ee [INFO] running `Command { std: "docker" "start" "-a" "a74e7e8c69b2357663901528c912ceac0f512d8cb27ca77e4079d9213cea84ee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a74e7e8c69b2357663901528c912ceac0f512d8cb27ca77e4079d9213cea84ee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a74e7e8c69b2357663901528c912ceac0f512d8cb27ca77e4079d9213cea84ee", kill_on_drop: false }` [INFO] [stdout] a74e7e8c69b2357663901528c912ceac0f512d8cb27ca77e4079d9213cea84ee [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 66d6a937f3e9aeda210305738a9088d3f526a373769437c6242751cf2c296167 [INFO] running `Command { std: "docker" "start" "-a" "66d6a937f3e9aeda210305738a9088d3f526a373769437c6242751cf2c296167", 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 beef v0.5.1 [INFO] [stderr] Compiling utf8-ranges v1.0.4 [INFO] [stderr] Compiling regex-syntax v0.6.25 [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] Compiling getrandom v0.2.4 [INFO] [stderr] Checking terminal_size v0.1.17 [INFO] [stderr] Compiling const-random-macro v0.1.13 [INFO] [stderr] Checking console v0.15.0 [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, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 59 | argument: Box, [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, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 63 | body: Box, [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, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 59 | argument: Box, [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, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 63 | body: Box, [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 16.37s [INFO] running `Command { std: "docker" "inspect" "66d6a937f3e9aeda210305738a9088d3f526a373769437c6242751cf2c296167", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "66d6a937f3e9aeda210305738a9088d3f526a373769437c6242751cf2c296167", kill_on_drop: false }` [INFO] [stdout] 66d6a937f3e9aeda210305738a9088d3f526a373769437c6242751cf2c296167