[INFO] cloning repository https://github.com/kuy/flex-handler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kuy/flex-handler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkuy%2Fflex-handler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkuy%2Fflex-handler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f4de98e0fb159459a9982663b6baa0f6be66aecc
[INFO] checking kuy/flex-handler against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkuy%2Fflex-handler" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kuy/flex-handler
[INFO] finished tweaking git repo https://github.com/kuy/flex-handler
[INFO] tweaked toml for git repo https://github.com/kuy/flex-handler written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kuy/flex-handler on toolchain b1f2594eac607c1f051534800237eeedb5590a49
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kuy/flex-handler 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" "+b1f2594eac607c1f051534800237eeedb5590a49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 358b73ad769343a6f2fcaddacee617541adf5ab861f569c7dc78e4e4c2c099d9
[INFO] running `Command { std: "docker" "start" "-a" "358b73ad769343a6f2fcaddacee617541adf5ab861f569c7dc78e4e4c2c099d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "358b73ad769343a6f2fcaddacee617541adf5ab861f569c7dc78e4e4c2c099d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "358b73ad769343a6f2fcaddacee617541adf5ab861f569c7dc78e4e4c2c099d9", kill_on_drop: false }`
[INFO] [stdout] 358b73ad769343a6f2fcaddacee617541adf5ab861f569c7dc78e4e4c2c099d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 27dd9265b7ac9dbc63b0162eb6a3b82155106e0456295f47e9ba8cb26c202e7f
[INFO] running `Command { std: "docker" "start" "-a" "27dd9265b7ac9dbc63b0162eb6a3b82155106e0456295f47e9ba8cb26c202e7f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking termcolor v1.0.5
[INFO] [stderr]     Checking regex v1.2.1
[INFO] [stderr]     Checking humantime v1.2.0
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking flex_handler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:63:29
[INFO] [stdout]    |
[INFO] [stdout] 63 | struct Dispatcher<T, R, F = Handler<T, R>> {
[INFO] [stdout]    |                             ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 63 | struct Dispatcher<T, R, F = dyn Handler<T, R>> {
[INFO] [stdout]    |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:63:29
[INFO] [stdout]    |
[INFO] [stdout] 63 | struct Dispatcher<T, R, F = Handler<T, R>> {
[INFO] [stdout]    |                             ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 63 | struct Dispatcher<T, R, F = dyn Handler<T, R>> {
[INFO] [stdout]    |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.09s
[INFO] running `Command { std: "docker" "inspect" "27dd9265b7ac9dbc63b0162eb6a3b82155106e0456295f47e9ba8cb26c202e7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27dd9265b7ac9dbc63b0162eb6a3b82155106e0456295f47e9ba8cb26c202e7f", kill_on_drop: false }`
[INFO] [stdout] 27dd9265b7ac9dbc63b0162eb6a3b82155106e0456295f47e9ba8cb26c202e7f
