[INFO] crate sacn 0.4.4 is already in cache
[INFO] building sacn-0.4.4 against 1.38.0 for beta-1.39-1
[INFO] extracting crate sacn 0.4.4 into work/builds/worker-10/source
[INFO] validating manifest of crates.io crate sacn 0.4.4 on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate sacn 0.4.4
[INFO] finished tweaking crates.io crate sacn 0.4.4
[INFO] tweaked toml for crates.io crate sacn 0.4.4 written to work/builds/worker-10/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] adfcca37cf92bc4cce4bae278e0bffb6e38d53d39999feb12138060ce54dd3ce
[INFO] running `"docker" "start" "-a" "adfcca37cf92bc4cce4bae278e0bffb6e38d53d39999feb12138060ce54dd3ce"`
[INFO] [stderr]    Compiling uuid v0.6.5
[INFO] [stderr]    Compiling sacn v0.4.4 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:71:32
[INFO] [stderr]    |
[INFO] [stderr] 71 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]    |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/error.rs:120:32
[INFO] [stderr]     |
[INFO] [stderr] 120 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `"docker" "inspect" "adfcca37cf92bc4cce4bae278e0bffb6e38d53d39999feb12138060ce54dd3ce"`
[INFO] running `"docker" "rm" "-f" "adfcca37cf92bc4cce4bae278e0bffb6e38d53d39999feb12138060ce54dd3ce"`
[INFO] [stdout] adfcca37cf92bc4cce4bae278e0bffb6e38d53d39999feb12138060ce54dd3ce
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 3524db498b6aee9456a7f2f212fc1822648297cde0b91a7d83ff144e5a187620
[INFO] running `"docker" "start" "-a" "3524db498b6aee9456a7f2f212fc1822648297cde0b91a7d83ff144e5a187620"`
[INFO] [stderr]    Compiling sacn v0.4.4 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:71:32
[INFO] [stderr]    |
[INFO] [stderr] 71 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]    |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/error.rs:120:32
[INFO] [stderr]     |
[INFO] [stderr] 120 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `"docker" "inspect" "3524db498b6aee9456a7f2f212fc1822648297cde0b91a7d83ff144e5a187620"`
[INFO] running `"docker" "rm" "-f" "3524db498b6aee9456a7f2f212fc1822648297cde0b91a7d83ff144e5a187620"`
[INFO] [stdout] 3524db498b6aee9456a7f2f212fc1822648297cde0b91a7d83ff144e5a187620