[INFO] cloning repository https://github.com/imaqtkatt/lala
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/imaqtkatt/lala" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimaqtkatt%2Flala", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimaqtkatt%2Flala'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9fd2bef0557be879c74b253ba3f6f54372123869
[INFO] checking imaqtkatt/lala against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimaqtkatt%2Flala" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/imaqtkatt/lala on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/imaqtkatt/lala
[INFO] finished tweaking git repo https://github.com/imaqtkatt/lala
[INFO] tweaked toml for git repo https://github.com/imaqtkatt/lala written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/imaqtkatt/lala 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 279ba98f1e08614de44f2d1c3b0539791eaeb8b3bf172366261925efd4471398
[INFO] running `Command { std: "docker" "start" "-a" "279ba98f1e08614de44f2d1c3b0539791eaeb8b3bf172366261925efd4471398", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "279ba98f1e08614de44f2d1c3b0539791eaeb8b3bf172366261925efd4471398", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "279ba98f1e08614de44f2d1c3b0539791eaeb8b3bf172366261925efd4471398", kill_on_drop: false }`
[INFO] [stdout] 279ba98f1e08614de44f2d1c3b0539791eaeb8b3bf172366261925efd4471398
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 08d4d962d8c05630bf7772fb28ed2edec66bd9a85faa33ef0d07036fa4b342e1
[INFO] running `Command { std: "docker" "start" "-a" "08d4d962d8c05630bf7772fb28ed2edec66bd9a85faa33ef0d07036fa4b342e1", kill_on_drop: false }`
[INFO] [stderr]     Checking lala v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `idx`
[INFO] [stdout]   --> src/eval.rs:78:31
[INFO] [stdout]    |
[INFO] [stdout] 78 |       Desugar::Access { expr, idx } => match self.eval(*expr)? {
[INFO] [stdout]    |                               ^^^ help: try ignoring the field: `idx: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `elements`
[INFO] [stdout]   --> src/eval.rs:79:22
[INFO] [stdout]    |
[INFO] [stdout] 79 |         Value::Tuple(elements) => {
[INFO] [stdout]    |                      ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_elements`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `idx`
[INFO] [stdout]   --> src/eval.rs:78:31
[INFO] [stdout]    |
[INFO] [stdout] 78 |       Desugar::Access { expr, idx } => match self.eval(*expr)? {
[INFO] [stdout]    |                               ^^^ help: try ignoring the field: `idx: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `elements`
[INFO] [stdout]   --> src/eval.rs:79:22
[INFO] [stdout]    |
[INFO] [stdout] 79 |         Value::Tuple(elements) => {
[INFO] [stdout]    |                      ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_elements`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "08d4d962d8c05630bf7772fb28ed2edec66bd9a85faa33ef0d07036fa4b342e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08d4d962d8c05630bf7772fb28ed2edec66bd9a85faa33ef0d07036fa4b342e1", kill_on_drop: false }`
[INFO] [stdout] 08d4d962d8c05630bf7772fb28ed2edec66bd9a85faa33ef0d07036fa4b342e1