[INFO] cloning repository https://github.com/luizlls/machina
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/luizlls/machina" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluizlls%2Fmachina", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluizlls%2Fmachina'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6e19f48f7adb76b7f36bfcfc2d08229712a86e31
[INFO] checking luizlls/machina against master#d902752866cbbdb331e3cf28ff6bba86ab0f6c62 for pr-77271
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluizlls%2Fmachina" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/luizlls/machina on toolchain d902752866cbbdb331e3cf28ff6bba86ab0f6c62
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d902752866cbbdb331e3cf28ff6bba86ab0f6c62" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/luizlls/machina
[INFO] finished tweaking git repo https://github.com/luizlls/machina
[INFO] tweaked toml for git repo https://github.com/luizlls/machina written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/luizlls/machina already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d902752866cbbdb331e3cf28ff6bba86ab0f6c62" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+d902752866cbbdb331e3cf28ff6bba86ab0f6c62" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c28994f7a92d16568b8030846b85ce117a49154e8273eb551b0a8697b7304497
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c28994f7a92d16568b8030846b85ce117a49154e8273eb551b0a8697b7304497", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c28994f7a92d16568b8030846b85ce117a49154e8273eb551b0a8697b7304497", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c28994f7a92d16568b8030846b85ce117a49154e8273eb551b0a8697b7304497", kill_on_drop: false }`
[INFO] [stdout] c28994f7a92d16568b8030846b85ce117a49154e8273eb551b0a8697b7304497
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+d902752866cbbdb331e3cf28ff6bba86ab0f6c62" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 492e15fa46447065b180bf4694c4fd4bc7c10c7eeb421a24bb989fc13f0cd356
[INFO] running `Command { std: "docker" "start" "-a" "492e15fa46447065b180bf4694c4fd4bc7c10c7eeb421a24bb989fc13f0cd356", kill_on_drop: false }`
[INFO] [stderr]     Checking machina v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `Null`
[INFO] [stdout]   --> src/ast.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     Null,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Null`
[INFO] [stdout]  --> src/object.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Null,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `String`
[INFO] [stdout]  --> src/object.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     String,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Decimal`
[INFO] [stdout]  --> src/object.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Decimal,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Integer`
[INFO] [stdout]  --> src/object.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     Integer,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Null`
[INFO] [stdout]   --> src/ast.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     Null,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Null`
[INFO] [stdout]  --> src/object.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Null,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `String`
[INFO] [stdout]  --> src/object.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     String,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Decimal`
[INFO] [stdout]  --> src/object.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Decimal,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Integer`
[INFO] [stdout]  --> src/object.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     Integer,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "492e15fa46447065b180bf4694c4fd4bc7c10c7eeb421a24bb989fc13f0cd356", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "492e15fa46447065b180bf4694c4fd4bc7c10c7eeb421a24bb989fc13f0cd356", kill_on_drop: false }`
[INFO] [stdout] 492e15fa46447065b180bf4694c4fd4bc7c10c7eeb421a24bb989fc13f0cd356