[INFO] cloning repository https://github.com/marc-dantas/racnul
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/marc-dantas/racnul" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarc-dantas%2Fracnul", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarc-dantas%2Fracnul'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f2c6cbe964275c9e9053012517c242d4f0770191
[INFO] checking marc-dantas/racnul against master#b2728d5426bab1d8c39709768c7e22b7f66dde5d for pr-135852
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarc-dantas%2Fracnul" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/marc-dantas/racnul on toolchain b2728d5426bab1d8c39709768c7e22b7f66dde5d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b2728d5426bab1d8c39709768c7e22b7f66dde5d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/marc-dantas/racnul
[INFO] finished tweaking git repo https://github.com/marc-dantas/racnul
[INFO] tweaked toml for git repo https://github.com/marc-dantas/racnul written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/marc-dantas/racnul 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" "+b2728d5426bab1d8c39709768c7e22b7f66dde5d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+b2728d5426bab1d8c39709768c7e22b7f66dde5d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7383542356d68bff46f1621c65c62eb21ff1a450bd071c4d853c1c38ee1452f2
[INFO] running `Command { std: "docker" "start" "-a" "7383542356d68bff46f1621c65c62eb21ff1a450bd071c4d853c1c38ee1452f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7383542356d68bff46f1621c65c62eb21ff1a450bd071c4d853c1c38ee1452f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7383542356d68bff46f1621c65c62eb21ff1a450bd071c4d853c1c38ee1452f2", kill_on_drop: false }`
[INFO] [stdout] 7383542356d68bff46f1621c65c62eb21ff1a450bd071c4d853c1c38ee1452f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+b2728d5426bab1d8c39709768c7e22b7f66dde5d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e5d07f20b4d7efd32cd36f684b8340c1a47f6b42b47ebfb7c544379a60333b2b
[INFO] running `Command { std: "docker" "start" "-a" "e5d07f20b4d7efd32cd36f684b8340c1a47f6b42b47ebfb7c544379a60333b2b", kill_on_drop: false }`
[INFO] [stderr]     Checking racnul v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]  --> src/lang.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 |     Inc(usize, char),
[INFO] [stdout]   |     --- ^^^^^  ^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     fields in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]   |
[INFO] [stdout] 2 |     Inc((), ()),
[INFO] [stdout]   |         ~~  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]  --> src/lang.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     New(usize, char),
[INFO] [stdout]   |     --- ^^^^^  ^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     fields in this variant
[INFO] [stdout]   |
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]   |
[INFO] [stdout] 5 |     New((), ()),
[INFO] [stdout]   |         ~~  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]  --> src/lang.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Cpy(usize, char),
[INFO] [stdout]   |     --- ^^^^^  ^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     fields in this variant
[INFO] [stdout]   |
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Cpy((), ()),
[INFO] [stdout]   |         ~~  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]  --> src/lang.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Pst(usize, char),
[INFO] [stdout]   |     --- ^^^^^  ^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     fields in this variant
[INFO] [stdout]   |
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Pst((), ()),
[INFO] [stdout]   |         ~~  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]  --> src/lang.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Zro(usize, char),
[INFO] [stdout]   |     --- ^^^^^  ^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     fields in this variant
[INFO] [stdout]   |
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Zro((), ()),
[INFO] [stdout]   |         ~~  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]  --> src/lang.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 |     Inc(usize, char),
[INFO] [stdout]   |     --- ^^^^^  ^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     fields in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]   |
[INFO] [stdout] 2 |     Inc((), ()),
[INFO] [stdout]   |         ~~  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]  --> src/lang.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     New(usize, char),
[INFO] [stdout]   |     --- ^^^^^  ^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     fields in this variant
[INFO] [stdout]   |
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]   |
[INFO] [stdout] 5 |     New((), ()),
[INFO] [stdout]   |         ~~  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]  --> src/lang.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Cpy(usize, char),
[INFO] [stdout]   |     --- ^^^^^  ^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     fields in this variant
[INFO] [stdout]   |
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Cpy((), ()),
[INFO] [stdout]   |         ~~  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]  --> src/lang.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Pst(usize, char),
[INFO] [stdout]   |     --- ^^^^^  ^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     fields in this variant
[INFO] [stdout]   |
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Pst((), ()),
[INFO] [stdout]   |         ~~  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]  --> src/lang.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Zro(usize, char),
[INFO] [stdout]   |     --- ^^^^^  ^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     fields in this variant
[INFO] [stdout]   |
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Zro((), ()),
[INFO] [stdout]   |         ~~  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "e5d07f20b4d7efd32cd36f684b8340c1a47f6b42b47ebfb7c544379a60333b2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5d07f20b4d7efd32cd36f684b8340c1a47f6b42b47ebfb7c544379a60333b2b", kill_on_drop: false }`
[INFO] [stdout] e5d07f20b4d7efd32cd36f684b8340c1a47f6b42b47ebfb7c544379a60333b2b