[INFO] cloning repository https://github.com/matheusvictorello/termo-solver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/matheusvictorello/termo-solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatheusvictorello%2Ftermo-solver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatheusvictorello%2Ftermo-solver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 627e75c17c372e34cd6503b6994bca8f679797e4
[INFO] checking matheusvictorello/termo-solver against try#a3a874232ae0a7586b5fbe7483c5a42e157bd62a for pr-151109
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatheusvictorello%2Ftermo-solver" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/matheusvictorello/termo-solver
[INFO] finished tweaking git repo https://github.com/matheusvictorello/termo-solver
[INFO] tweaked toml for git repo https://github.com/matheusvictorello/termo-solver written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/matheusvictorello/termo-solver on toolchain a3a874232ae0a7586b5fbe7483c5a42e157bd62a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3a874232ae0a7586b5fbe7483c5a42e157bd62a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/matheusvictorello/termo-solver 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" "+a3a874232ae0a7586b5fbe7483c5a42e157bd62a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded float-ord v0.3.2
[INFO] [stderr]   Downloaded unroll v0.1.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a3a874232ae0a7586b5fbe7483c5a42e157bd62a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 11c993182b50b8f8fe501e9c0e9b6d98518107f843ae7bb2cbe75b6977f2c228
[INFO] running `Command { std: "docker" "start" "-a" "11c993182b50b8f8fe501e9c0e9b6d98518107f843ae7bb2cbe75b6977f2c228", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "11c993182b50b8f8fe501e9c0e9b6d98518107f843ae7bb2cbe75b6977f2c228", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11c993182b50b8f8fe501e9c0e9b6d98518107f843ae7bb2cbe75b6977f2c228", kill_on_drop: false }`
[INFO] [stdout] 11c993182b50b8f8fe501e9c0e9b6d98518107f843ae7bb2cbe75b6977f2c228
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a3a874232ae0a7586b5fbe7483c5a42e157bd62a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d708d17d87355f2daf0d0fd386c7317806d4440dee11e9e2972e5411a6bb4129
[INFO] running `Command { std: "docker" "start" "-a" "d708d17d87355f2daf0d0fd386c7317806d4440dee11e9e2972e5411a6bb4129", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]     Checking float-ord v0.3.2
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling unroll v0.1.5
[INFO] [stderr]     Checking termo-solver v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&Word` instead of cloning the inner type
[INFO] [stdout]   --> src/lib.rs:68:32
[INFO] [stdout]    |
[INFO] [stdout] 68 |                     .entry(word.clone())
[INFO] [stdout]    |                                ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&Word` instead of cloning the inner type
[INFO] [stdout]   --> src/lib.rs:68:32
[INFO] [stdout]    |
[INFO] [stdout] 68 |                     .entry(word.clone())
[INFO] [stdout]    |                                ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.47s
[INFO] running `Command { std: "docker" "inspect" "d708d17d87355f2daf0d0fd386c7317806d4440dee11e9e2972e5411a6bb4129", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d708d17d87355f2daf0d0fd386c7317806d4440dee11e9e2972e5411a6bb4129", kill_on_drop: false }`
[INFO] [stdout] d708d17d87355f2daf0d0fd386c7317806d4440dee11e9e2972e5411a6bb4129