[INFO] cloning repository https://github.com/2garryn/eft2json
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/2garryn/eft2json" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F2garryn%2Feft2json", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F2garryn%2Feft2json'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2e4ea68e96fe6a92b358f63d4684bee1cf776574
[INFO] checking 2garryn/eft2json/2e4ea68e96fe6a92b358f63d4684bee1cf776574 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F2garryn%2Feft2json" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/2garryn/eft2json on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/2garryn/eft2json
[INFO] finished tweaking git repo https://github.com/2garryn/eft2json
[INFO] tweaked toml for git repo https://github.com/2garryn/eft2json written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/2garryn/eft2json 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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4a799a6c4c506e2eff36d1bdd2d82e541ee1ee0ca58f873f402759a18a80628f
[INFO] running `Command { std: "docker" "start" "-a" "4a799a6c4c506e2eff36d1bdd2d82e541ee1ee0ca58f873f402759a18a80628f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4a799a6c4c506e2eff36d1bdd2d82e541ee1ee0ca58f873f402759a18a80628f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a799a6c4c506e2eff36d1bdd2d82e541ee1ee0ca58f873f402759a18a80628f", kill_on_drop: false }`
[INFO] [stdout] 4a799a6c4c506e2eff36d1bdd2d82e541ee1ee0ca58f873f402759a18a80628f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d7b8ebd73a7e076e52a1aff20ea4a067d9b36ec54e05494e357c0d56af6f6b1a
[INFO] running `Command { std: "docker" "start" "-a" "d7b8ebd73a7e076e52a1aff20ea4a067d9b36ec54e05494e357c0d56af6f6b1a", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling num-bigint v0.2.2
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking eterm2json v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]    --> src/parser/parser.rs:465:40
[INFO] [stdout]     |
[INFO] [stdout] 464 | impl <'a>RawStringComposer<'a> {
[INFO] [stdout]     |       -- lifetime `'a` declared here
[INFO] [stdout] 465 |     fn new(res_str: &'a mut String) -> RawStringComposer {
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^^^^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `parse_result::*`
[INFO] [stdout]  --> src/parser/mod.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub use parse_result::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> src/buf_read_streamer.rs:10:48
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl <'a>BufReadStreamer<'a> {
[INFO] [stdout]    |       -- lifetime `'a` declared here
[INFO] [stdout] 10 |     pub fn new<R: BufRead>(buff: &'a mut R) -> BufReadStreamer {
[INFO] [stdout]    |                                                ^^^^^^^^^^^^^^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/buf_read_streamer.rs:6:25
[INFO] [stdout]   |
[INFO] [stdout] 6 |     buf_reader: &'a mut BufRead
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 6 |     buf_reader: &'a mut dyn BufRead
[INFO] [stdout]   |                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]    --> src/parser/parser.rs:465:40
[INFO] [stdout]     |
[INFO] [stdout] 464 | impl <'a>RawStringComposer<'a> {
[INFO] [stdout]     |       -- lifetime `'a` declared here
[INFO] [stdout] 465 |     fn new(res_str: &'a mut String) -> RawStringComposer {
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^^^^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `parse_result::*`
[INFO] [stdout]  --> src/parser/mod.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub use parse_result::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> src/buf_read_streamer.rs:10:48
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl <'a>BufReadStreamer<'a> {
[INFO] [stdout]    |       -- lifetime `'a` declared here
[INFO] [stdout] 10 |     pub fn new<R: BufRead>(buff: &'a mut R) -> BufReadStreamer {
[INFO] [stdout]    |                                                ^^^^^^^^^^^^^^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/buf_read_streamer.rs:6:25
[INFO] [stdout]   |
[INFO] [stdout] 6 |     buf_reader: &'a mut BufRead
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 6 |     buf_reader: &'a mut dyn BufRead
[INFO] [stdout]   |                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this value of type `Result<(), ParseError>` has significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/main.rs:15:11
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let mut bf = BufReader::new(stdin());
[INFO] [stdout]    |         ------ these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 15 |     match parse(&mut buf_streamer, &mut composer) {
[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] warning: fields `io_error` and `utf8_error` are never read
[INFO] [stdout]   --> src/parser/parse_result.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct ParseError {
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout] 16 |     pub error_code: ErrorCode,
[INFO] [stdout] 17 |     pub io_error: Option<std::io::Error>,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 18 |     pub utf8_error: Option<std::str::Utf8Error>
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `eterm2json` (bin "eterm2json" test) due to 2 previous errors; 5 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this value of type `Result<(), ParseError>` has significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/main.rs:15:11
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let mut bf = BufReader::new(stdin());
[INFO] [stdout]    |         ------ these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 15 |     match parse(&mut buf_streamer, &mut composer) {
[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] warning: fields `io_error` and `utf8_error` are never read
[INFO] [stdout]   --> src/parser/parse_result.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct ParseError {
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout] 16 |     pub error_code: ErrorCode,
[INFO] [stdout] 17 |     pub io_error: Option<std::io::Error>,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 18 |     pub utf8_error: Option<std::str::Utf8Error>
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `eterm2json` (bin "eterm2json") due to 2 previous errors; 5 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "d7b8ebd73a7e076e52a1aff20ea4a067d9b36ec54e05494e357c0d56af6f6b1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7b8ebd73a7e076e52a1aff20ea4a067d9b36ec54e05494e357c0d56af6f6b1a", kill_on_drop: false }`
[INFO] [stdout] d7b8ebd73a7e076e52a1aff20ea4a067d9b36ec54e05494e357c0d56af6f6b1a