[INFO] fetching crate yaircc 0.1.0...
[INFO] fixing yaircc-0.1.0 against try#622891a4e29178280638a6b63a8908bde2c0c854+cargoflags=-Zfix-edition=end=2015,2024 for pr-157817-2
[INFO] extracting crate yaircc 0.1.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate yaircc 0.1.0
[INFO] finished tweaking crates.io crate yaircc 0.1.0
[INFO] tweaked toml for crates.io crate yaircc 0.1.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate yaircc 0.1.0 on toolchain 622891a4e29178280638a6b63a8908bde2c0c854
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate yaircc 0.1.0 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" "+622891a4e29178280638a6b63a8908bde2c0c854" "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/source:/opt/rustwide/workdir:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] e256738f4ddbc869586e88fa74fb988a035e5142da9015400a8c1330bfa02c05
[INFO] running `Command { std: "docker" "start" "e256738f4ddbc869586e88fa74fb988a035e5142da9015400a8c1330bfa02c05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e256738f4ddbc869586e88fa74fb988a035e5142da9015400a8c1330bfa02c05" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e256738f4ddbc869586e88fa74fb988a035e5142da9015400a8c1330bfa02c05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=" "-e" "RUSTDOCFLAGS=" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e256738f4ddbc869586e88fa74fb988a035e5142da9015400a8c1330bfa02c05" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fix" "--allow-no-vcs" "--allow-dirty" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zfix-edition=end=2015,2024", kill_on_drop: false }`
[INFO] [stderr] crater-edition-check: migrating to next edition
[INFO] [stderr]    Migrating Cargo.toml from 2018 edition to 2021
[INFO] [stderr] note: Switching to Edition 2021 will enable the use of the version 2 feature resolver in Cargo.
[INFO] [stderr] This may cause some dependencies to be built with fewer features enabled than previously.
[INFO] [stderr] More information about the resolver changes may be found at https://doc.rust-lang.org/nightly/edition-guide/rust-2021/default-cargo-resolver.html
[INFO] [stderr] When building the following dependencies, the given features will no longer be used:
[INFO] [stderr] 
[INFO] [stderr]   futures-core v0.3.1 removed features: default
[INFO] [stderr]   futures-io v0.3.1 removed features: default
[INFO] [stderr]   syn v1.0.8 (as host dependency) removed features: extra-traits, visit
[INFO] [stderr] 
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking pin-utils v0.1.0-alpha.4
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]     Checking futures-core v0.3.1
[INFO] [stderr]     Checking futures-io v0.3.1
[INFO] [stderr]    Compiling cc v1.0.47
[INFO] [stderr]     Checking futures-sink v0.3.1
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]     Checking futures-task v0.3.1
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking encoding-index-japanese v1.20141219.5
[INFO] [stderr]     Checking futures-channel v0.3.1
[INFO] [stderr]     Checking encoding-index-korean v1.20141219.5
[INFO] [stderr]     Checking encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]     Checking encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]    Compiling yaircc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]    Migrating build.rs from 2018 edition to 2021
[INFO] [stderr]     Checking async-task v1.0.0
[INFO] [stderr]     Checking futures-timer v1.0.3
[INFO] [stderr]     Checking async-macros v1.0.0
[INFO] [stderr]     Checking once_cell v1.2.0
[INFO] [stderr]     Checking pin-project-lite v0.1.0
[INFO] [stderr]     Checking kv-log-macro v1.0.4
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking encoding v0.2.33
[INFO] [stderr]     Checking crossbeam-deque v0.7.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking num_cpus v1.11.0
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking async-std v0.99.12
[INFO] [stderr]     Checking backtrace v0.3.40
[INFO] [stderr]    Compiling synstructure v0.12.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]    Compiling futures-macro v0.3.1
[INFO] [stderr]     Checking futures-util v0.3.1
[INFO] [stderr]     Checking futures-executor v0.3.1
[INFO] [stderr]     Checking futures v0.3.1
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/peekaboo_async.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/peekaboo.rs from 2018 edition to 2021
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.11s
[INFO] [stderr] crater-edition-check: yaircc v0.1.0 (/opt/rustwide/workdir) updating edition from 2018 to 2021
[INFO] [stderr]    Compiling yaircc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.94s
[INFO] [stderr] crater-edition-check: migrating to next edition
[INFO] [stderr]    Migrating Cargo.toml from 2018 edition to 2021
[INFO] [stderr] note: Switching to Edition 2021 will enable the use of the version 2 feature resolver in Cargo.
[INFO] [stderr] This may cause some dependencies to be built with fewer features enabled than previously.
[INFO] [stderr] More information about the resolver changes may be found at https://doc.rust-lang.org/nightly/edition-guide/rust-2021/default-cargo-resolver.html
[INFO] [stderr] When building the following dependencies, the given features will no longer be used:
[INFO] [stderr] 
[INFO] [stderr]   futures-core v0.3.1 removed features: default
[INFO] [stderr]   futures-io v0.3.1 removed features: default
[INFO] [stderr]   syn v1.0.8 (as host dependency) removed features: extra-traits, visit
[INFO] [stderr] 
[INFO] [stderr]     Checking yaircc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Migrating src/lib.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating examples/peekaboo_async.rs from 2021 edition to 2024
[INFO] [stderr]        Fixed examples/peekaboo_async.rs (1 fix)
[INFO] [stderr]    Migrating examples/peekaboo.rs from 2021 edition to 2024
[INFO] [stdout] warning: relative drop order changing in Rust 2024
[INFO] [stdout]    --> examples/peekaboo_async.rs:82:10
[INFO] [stdout]     |
[INFO] [stdout]  73 |     let writer = irc_stream.writer();
[INFO] [stdout]     |         ------
[INFO] [stdout]     |         |
[INFO] [stdout]     |         `writer` calls a custom destructor
[INFO] [stdout]     |         `writer` will be dropped later as of Edition 2024
[INFO] [stdout] ...
[INFO] [stdout]  82 |         .await
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout]     |          |
[INFO] [stdout]     |          this value will be stored in a temporary; let us call it `#1`
[INFO] [stdout]     |          up until Edition 2021 `#1` is dropped last but will be dropped earlier in Edition 2024
[INFO] [stdout]  83 | }
[INFO] [stdout]     | - now the temporary value is dropped here, before the local variables in the block or statement
[INFO] [stdout]     |
[INFO] [stdout] note: `#1` invokes this custom destructor
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/futures-util-0.3.1/src/lock/bilock.rs:192:1
[INFO] [stdout]     |
[INFO] [stdout] 192 | impl<T> Drop for Inner<T> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: `writer` invokes this custom destructor
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/futures-util-0.3.1/src/lock/bilock.rs:192:1
[INFO] [stdout]     |
[INFO] [stdout] 192 | impl<T> Drop for Inner<T> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: most of the time, changing drop order is harmless; inspect the `impl Drop`s for side effects like releasing locks or sending messages
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/temporary-tail-expr-scope.html>
[INFO] [stdout]     = note: `--force-warn tail-expr-drop-order` implied by `--force-warn rust-2024-compatibility`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]        Fixed examples/peekaboo.rs (1 fix)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.07s
[INFO] [stderr] crater-edition-check: yaircc v0.1.0 (/opt/rustwide/workdir) updating edition from 2021 to 2024
[INFO] [stderr]    Compiling yaircc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected identifier, found reserved keyword `gen`
[INFO] [stdout]  --> build.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | mod gen;
[INFO] [stdout]   |     ^^^ expected identifier, found reserved keyword
[INFO] [stdout]   |
[INFO] [stdout] help: escape `gen` to use it as an identifier
[INFO] [stdout]   |
[INFO] [stdout] 1 | mod r#gen;
[INFO] [stdout]   |     ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected identifier, found reserved keyword `gen`
[INFO] [stdout]  --> build.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     gen::{codegen::*, parser::*},
[INFO] [stdout]   |     ^^^ expected identifier, found reserved keyword
[INFO] [stdout]   |
[INFO] [stdout] help: escape `gen` to use it as an identifier
[INFO] [stdout]   |
[INFO] [stdout] 4 |     r#gen::{codegen::*, parser::*},
[INFO] [stdout]   |     ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `yaircc` (build script) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "e256738f4ddbc869586e88fa74fb988a035e5142da9015400a8c1330bfa02c05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e256738f4ddbc869586e88fa74fb988a035e5142da9015400a8c1330bfa02c05", kill_on_drop: false }`
[INFO] [stdout] e256738f4ddbc869586e88fa74fb988a035e5142da9015400a8c1330bfa02c05
