[INFO] cloning repository https://github.com/fabiovitalba/echo-proto
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fabiovitalba/echo-proto" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffabiovitalba%2Fecho-proto", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffabiovitalba%2Fecho-proto'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4c1ec8bfdd6f1960408737729fbac307e9128fdb
[INFO] checking fabiovitalba/echo-proto against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffabiovitalba%2Fecho-proto" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fabiovitalba/echo-proto on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/fabiovitalba/echo-proto
[INFO] finished tweaking git repo https://github.com/fabiovitalba/echo-proto
[INFO] tweaked toml for git repo https://github.com/fabiovitalba/echo-proto written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/fabiovitalba/echo-proto 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-core v0.1.3
[INFO] [stderr]   Downloaded tokio-proto v0.1.0
[INFO] [stderr]   Downloaded libc v0.2.19
[INFO] [stderr]   Downloaded futures v0.1.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 91262ba6075c42b18c05f19ac782d5e8fe7403bde8e4b5fe42a95887c1fb6485
[INFO] running `Command { std: "docker" "start" "-a" "91262ba6075c42b18c05f19ac782d5e8fe7403bde8e4b5fe42a95887c1fb6485", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "91262ba6075c42b18c05f19ac782d5e8fe7403bde8e4b5fe42a95887c1fb6485", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91262ba6075c42b18c05f19ac782d5e8fe7403bde8e4b5fe42a95887c1fb6485", kill_on_drop: false }`
[INFO] [stdout] 91262ba6075c42b18c05f19ac782d5e8fe7403bde8e4b5fe42a95887c1fb6485
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 502ee150f146ada7f3c6d4e4e35144016fa242ba4e7661dda8097845671b9598
[INFO] running `Command { std: "docker" "start" "-a" "502ee150f146ada7f3c6d4e4e35144016fa242ba4e7661dda8097845671b9598", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]     Checking libc v0.2.19
[INFO] [stderr]     Checking log v0.3.6
[INFO] [stderr]     Checking cfg-if v0.1.0
[INFO] [stderr]     Checking bitflags v0.4.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking lazycell v0.4.0
[INFO] [stderr]     Checking slab v0.3.0
[INFO] [stderr]     Checking scoped-tls v0.1.0
[INFO] [stderr]     Checking take v0.1.0
[INFO] [stderr]     Checking smallvec v0.2.1
[INFO] [stderr]     Checking futures v0.1.8
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]     Checking net2 v0.2.26
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]    Compiling nix v0.7.0
[INFO] [stderr]     Checking tokio-service v0.1.0
[INFO] [stderr]     Checking mio v0.6.2
[INFO] [stderr]     Checking tokio-core v0.1.3
[INFO] [stderr]     Checking tokio-proto v0.1.0
[INFO] [stderr]     Checking echo-proto v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.57s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: bitflags v0.4.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "502ee150f146ada7f3c6d4e4e35144016fa242ba4e7661dda8097845671b9598", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "502ee150f146ada7f3c6d4e4e35144016fa242ba4e7661dda8097845671b9598", kill_on_drop: false }`
[INFO] [stdout] 502ee150f146ada7f3c6d4e4e35144016fa242ba4e7661dda8097845671b9598
[INFO] checking fabiovitalba/echo-proto against try#f9935d29d867449445ee008640ccca1bf1ae0889+rustflags=-Dtail_expr_drop_order for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffabiovitalba%2Fecho-proto" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fabiovitalba/echo-proto on toolchain f9935d29d867449445ee008640ccca1bf1ae0889
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/fabiovitalba/echo-proto
[INFO] finished tweaking git repo https://github.com/fabiovitalba/echo-proto
[INFO] tweaked toml for git repo https://github.com/fabiovitalba/echo-proto written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/fabiovitalba/echo-proto 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" "+f9935d29d867449445ee008640ccca1bf1ae0889" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2e9bd3d6f9bdbb0f61db66d5ff5b49d9232f2ed5125420709646312de4d6be69
[INFO] running `Command { std: "docker" "start" "-a" "2e9bd3d6f9bdbb0f61db66d5ff5b49d9232f2ed5125420709646312de4d6be69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e9bd3d6f9bdbb0f61db66d5ff5b49d9232f2ed5125420709646312de4d6be69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e9bd3d6f9bdbb0f61db66d5ff5b49d9232f2ed5125420709646312de4d6be69", kill_on_drop: false }`
[INFO] [stdout] 2e9bd3d6f9bdbb0f61db66d5ff5b49d9232f2ed5125420709646312de4d6be69
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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 -Dtail_expr_drop_order" "-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3ed0dac6c903ae465d419132c50471232761c7d5454e58314a6e1ea3db29084c
[INFO] running `Command { std: "docker" "start" "-a" "3ed0dac6c903ae465d419132c50471232761c7d5454e58314a6e1ea3db29084c", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]     Checking libc v0.2.19
[INFO] [stderr]     Checking cfg-if v0.1.0
[INFO] [stderr]     Checking log v0.3.6
[INFO] [stderr]     Checking bitflags v0.4.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking lazycell v0.4.0
[INFO] [stderr]     Checking slab v0.3.0
[INFO] [stderr]     Checking scoped-tls v0.1.0
[INFO] [stderr]     Checking smallvec v0.2.1
[INFO] [stderr]     Checking take v0.1.0
[INFO] [stderr]     Checking futures v0.1.8
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]     Checking net2 v0.2.26
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]    Compiling nix v0.7.0
[INFO] [stderr]     Checking tokio-service v0.1.0
[INFO] [stderr]     Checking mio v0.6.2
[INFO] [stderr]     Checking tokio-core v0.1.3
[INFO] [stderr]     Checking tokio-proto v0.1.0
[INFO] [stderr]     Checking echo-proto v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/main.rs:74:12
[INFO] [stdout]    |
[INFO] [stdout] 73 |     fn bind_transport(&self, io: T) -> Self::BindTransport {
[INFO] [stdout]    |                              ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 74 |         Ok(io.framed(LineCodec))
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout]    = note: requested on the command line with `-D tail-expr-drop-order`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/main.rs:74:12
[INFO] [stdout]    |
[INFO] [stdout] 73 |     fn bind_transport(&self, io: T) -> Self::BindTransport {
[INFO] [stdout]    |                              ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 74 |         Ok(io.framed(LineCodec))
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout]    = note: requested on the command line with `-D tail-expr-drop-order`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `echo-proto` (bin "echo-proto") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `echo-proto` (bin "echo-proto" test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "3ed0dac6c903ae465d419132c50471232761c7d5454e58314a6e1ea3db29084c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ed0dac6c903ae465d419132c50471232761c7d5454e58314a6e1ea3db29084c", kill_on_drop: false }`
[INFO] [stdout] 3ed0dac6c903ae465d419132c50471232761c7d5454e58314a6e1ea3db29084c