[INFO] updating cached repository https://github.com/fal-works/rust-practice
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9b22b6a8a9e5dee6e57755da1345467214e186a8
[INFO] testing fal-works/rust-practice against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffal-works%2Frust-practice" "work/builds/worker-3/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fal-works/rust-practice 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 git repo https://github.com/fal-works/rust-practice
[INFO] finished tweaking git repo https://github.com/fal-works/rust-practice
[INFO] tweaked toml for git repo https://github.com/fal-works/rust-practice written to work/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/fal-works/rust-practice already has a lockfile, it will not be regenerated
[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-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/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] ae2b77782ced696381aedc745fd88ad616369d6e3e59f7a33e526190e45cb4bb
[INFO] running `"docker" "start" "-a" "ae2b77782ced696381aedc745fd88ad616369d6e3e59f7a33e526190e45cb4bb"`
[INFO] [stderr]    Compiling rust-practice v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/main.rs:3:65
[INFO] [stderr]   |
[INFO] [stderr] 3 | fn scan<T>(s: &mut StdinLock, initial_value: T, fold_callback: &Fn(T, char) -> T) -> T {
[INFO] [stderr]   |                                                                 ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(T, char) -> T`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `"docker" "inspect" "ae2b77782ced696381aedc745fd88ad616369d6e3e59f7a33e526190e45cb4bb"`
[INFO] running `"docker" "rm" "-f" "ae2b77782ced696381aedc745fd88ad616369d6e3e59f7a33e526190e45cb4bb"`
[INFO] [stdout] ae2b77782ced696381aedc745fd88ad616369d6e3e59f7a33e526190e45cb4bb
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/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] 3910d5e6e6aea46aaeb49ecc0c2b6b01a2bc256a34a01cad017e5b98b31bb0ec
[INFO] running `"docker" "start" "-a" "3910d5e6e6aea46aaeb49ecc0c2b6b01a2bc256a34a01cad017e5b98b31bb0ec"`
[INFO] [stderr]    Compiling rust-practice v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/main.rs:3:65
[INFO] [stderr]   |
[INFO] [stderr] 3 | fn scan<T>(s: &mut StdinLock, initial_value: T, fold_callback: &Fn(T, char) -> T) -> T {
[INFO] [stderr]   |                                                                 ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(T, char) -> T`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `"docker" "inspect" "3910d5e6e6aea46aaeb49ecc0c2b6b01a2bc256a34a01cad017e5b98b31bb0ec"`
[INFO] running `"docker" "rm" "-f" "3910d5e6e6aea46aaeb49ecc0c2b6b01a2bc256a34a01cad017e5b98b31bb0ec"`
[INFO] [stdout] 3910d5e6e6aea46aaeb49ecc0c2b6b01a2bc256a34a01cad017e5b98b31bb0ec
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/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"`
[INFO] [stdout] 425f5a3af364a183d0d1b726ce5ec4bf127fc696dcd8b9b91d7678d65654f1b9
[INFO] running `"docker" "start" "-a" "425f5a3af364a183d0d1b726ce5ec4bf127fc696dcd8b9b91d7678d65654f1b9"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_practice-4e302e72a916e40f
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "425f5a3af364a183d0d1b726ce5ec4bf127fc696dcd8b9b91d7678d65654f1b9"`
[INFO] running `"docker" "rm" "-f" "425f5a3af364a183d0d1b726ce5ec4bf127fc696dcd8b9b91d7678d65654f1b9"`
[INFO] [stdout] 425f5a3af364a183d0d1b726ce5ec4bf127fc696dcd8b9b91d7678d65654f1b9