[INFO] cloning repository https://github.com/VinceVol/emb_txt_hndlr
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/VinceVol/emb_txt_hndlr" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVinceVol%2Femb_txt_hndlr", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVinceVol%2Femb_txt_hndlr'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 13069d6a6406b0998e3e60af0ff93e5c4ff61686
[INFO] checking VinceVol/emb_txt_hndlr against try#a7b168ac4977e8e93a43448b44847adaa305d5a9 for pr-150557
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVinceVol%2Femb_txt_hndlr" "/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/VinceVol/emb_txt_hndlr
[INFO] finished tweaking git repo https://github.com/VinceVol/emb_txt_hndlr
[INFO] tweaked toml for git repo https://github.com/VinceVol/emb_txt_hndlr written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/VinceVol/emb_txt_hndlr on toolchain a7b168ac4977e8e93a43448b44847adaa305d5a9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7b168ac4977e8e93a43448b44847adaa305d5a9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/VinceVol/emb_txt_hndlr 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" "+a7b168ac4977e8e93a43448b44847adaa305d5a9" "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] 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" "+a7b168ac4977e8e93a43448b44847adaa305d5a9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e27e23b6b87174e94bda614d18dffc7954dc8539d6ee6ac830743c20bac0dfc2
[INFO] running `Command { std: "docker" "start" "-a" "e27e23b6b87174e94bda614d18dffc7954dc8539d6ee6ac830743c20bac0dfc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e27e23b6b87174e94bda614d18dffc7954dc8539d6ee6ac830743c20bac0dfc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e27e23b6b87174e94bda614d18dffc7954dc8539d6ee6ac830743c20bac0dfc2", kill_on_drop: false }`
[INFO] [stdout] e27e23b6b87174e94bda614d18dffc7954dc8539d6ee6ac830743c20bac0dfc2
[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" "+a7b168ac4977e8e93a43448b44847adaa305d5a9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7145f4a6808b3119677644c4565d6c498dca19ba3a5128d530e0485e883ea3d9
[INFO] running `Command { std: "docker" "start" "-a" "7145f4a6808b3119677644c4565d6c498dca19ba3a5128d530e0485e883ea3d9", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking emb_txt_hndlr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `core::ffi`
[INFO] [stdout]   --> src/lib.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 67 |     use core::ffi;
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `float::FloatCore`
[INFO] [stdout]  --> src/numbers.rs:2:49
[INFO] [stdout]   |
[INFO] [stdout] 2 | use num_traits::{Signed, ToPrimitive, Unsigned, float::FloatCore, pow}; //FLOATCORE IN USE
[INFO] [stdout]   |                                                 ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.17s
[INFO] running `Command { std: "docker" "inspect" "7145f4a6808b3119677644c4565d6c498dca19ba3a5128d530e0485e883ea3d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7145f4a6808b3119677644c4565d6c498dca19ba3a5128d530e0485e883ea3d9", kill_on_drop: false }`
[INFO] [stdout] 7145f4a6808b3119677644c4565d6c498dca19ba3a5128d530e0485e883ea3d9