[INFO] cloning repository https://github.com/jac18281828/checksmix
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jac18281828/checksmix" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjac18281828%2Fchecksmix", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjac18281828%2Fchecksmix'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 57745bcc6932523b6a6da0d8395a7a5d93ecccd5
[INFO] checking jac18281828/checksmix against try#44e31dee3cf6f37b4f652572897bb0eb25c477ee for pr-139763
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjac18281828%2Fchecksmix" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jac18281828/checksmix on toolchain 44e31dee3cf6f37b4f652572897bb0eb25c477ee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44e31dee3cf6f37b4f652572897bb0eb25c477ee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jac18281828/checksmix
[INFO] finished tweaking git repo https://github.com/jac18281828/checksmix
[INFO] tweaked toml for git repo https://github.com/jac18281828/checksmix written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/jac18281828/checksmix 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" "+44e31dee3cf6f37b4f652572897bb0eb25c477ee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+44e31dee3cf6f37b4f652572897bb0eb25c477ee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2d0a3dc68fa19185c9f84cbe400e795ad8a1df8635849bfea47fa668f5e672e0
[INFO] running `Command { std: "docker" "start" "-a" "2d0a3dc68fa19185c9f84cbe400e795ad8a1df8635849bfea47fa668f5e672e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d0a3dc68fa19185c9f84cbe400e795ad8a1df8635849bfea47fa668f5e672e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d0a3dc68fa19185c9f84cbe400e795ad8a1df8635849bfea47fa668f5e672e0", kill_on_drop: false }`
[INFO] [stdout] 2d0a3dc68fa19185c9f84cbe400e795ad8a1df8635849bfea47fa668f5e672e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+44e31dee3cf6f37b4f652572897bb0eb25c477ee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9bc62386d6b266f19e4432432a9b300650e7ff71d2d6ccf755645df7e6751e4d
[INFO] running `Command { std: "docker" "start" "-a" "9bc62386d6b266f19e4432432a9b300650e7ff71d2d6ccf755645df7e6751e4d", kill_on_drop: false }`
[INFO] [stderr]     Checking lyn v0.1.0
[INFO] [stderr]     Checking checksmix v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variants `LessThan` and `GreaterThan` are never constructed
[INFO] [stdout]  --> src/lib.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | enum Comparison {
[INFO] [stdout]   |      ---------- variants in this enum
[INFO] [stdout] 4 |     LessThan = -1,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 5 |     EqualTo = 0,
[INFO] [stdout] 6 |     GreaterThan = 1,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `cmp` is never read
[INFO] [stdout]   --> src/lib.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub struct MMix {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 15 |     cmp: Comparison,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `LessThan` and `GreaterThan` are never constructed
[INFO] [stdout]  --> src/lib.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | enum Comparison {
[INFO] [stdout]   |      ---------- variants in this enum
[INFO] [stdout] 4 |     LessThan = -1,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 5 |     EqualTo = 0,
[INFO] [stdout] 6 |     GreaterThan = 1,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `cmp` is never read
[INFO] [stdout]   --> src/lib.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub struct MMix {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 15 |     cmp: Comparison,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "9bc62386d6b266f19e4432432a9b300650e7ff71d2d6ccf755645df7e6751e4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bc62386d6b266f19e4432432a9b300650e7ff71d2d6ccf755645df7e6751e4d", kill_on_drop: false }`
[INFO] [stdout] 9bc62386d6b266f19e4432432a9b300650e7ff71d2d6ccf755645df7e6751e4d