[INFO] cloning repository https://github.com/alibby/fit
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alibby/fit" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falibby%2Ffit", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falibby%2Ffit'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5e7d273dc4e6de6f3669ec4eb6532fd0afa2b3d6
[INFO] checking alibby/fit against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falibby%2Ffit" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/alibby/fit on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/alibby/fit
[INFO] finished tweaking git repo https://github.com/alibby/fit
[INFO] tweaked toml for git repo https://github.com/alibby/fit written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/alibby/fit already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 33275b3d367123c85f0f957b856bce3e1ffb96e34a2ff519b750d6540478d8ce
[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" "33275b3d367123c85f0f957b856bce3e1ffb96e34a2ff519b750d6540478d8ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "33275b3d367123c85f0f957b856bce3e1ffb96e34a2ff519b750d6540478d8ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33275b3d367123c85f0f957b856bce3e1ffb96e34a2ff519b750d6540478d8ce", kill_on_drop: false }`
[INFO] [stdout] 33275b3d367123c85f0f957b856bce3e1ffb96e34a2ff519b750d6540478d8ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2af3ce7be22986f1749d89a1cd623c81baa2d5470c74ac8b3242570e893ea42a
[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" "2af3ce7be22986f1749d89a1cd623c81baa2d5470c74ac8b3242570e893ea42a", kill_on_drop: false }`
[INFO] [stderr]     Checking fit v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct is never constructed: `FieldDefinition`
[INFO] [stdout]    --> src/fit.rs:142:12
[INFO] [stdout]     |
[INFO] [stdout] 142 | pub struct FieldDefinition {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `FieldDefinition`
[INFO] [stdout]    --> src/fit.rs:142:12
[INFO] [stdout]     |
[INFO] [stdout] 142 | pub struct FieldDefinition {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `DefinitionMessage`
[INFO] [stdout]    --> src/fit.rs:148:12
[INFO] [stdout]     |
[INFO] [stdout] 148 | pub struct DefinitionMessage {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `DefinitionMessage`
[INFO] [stdout]    --> src/fit.rs:148:12
[INFO] [stdout]     |
[INFO] [stdout] 148 | pub struct DefinitionMessage {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[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 [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "2af3ce7be22986f1749d89a1cd623c81baa2d5470c74ac8b3242570e893ea42a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2af3ce7be22986f1749d89a1cd623c81baa2d5470c74ac8b3242570e893ea42a", kill_on_drop: false }`
[INFO] [stdout] 2af3ce7be22986f1749d89a1cd623c81baa2d5470c74ac8b3242570e893ea42a