[INFO] cloning repository https://github.com/ahouts/rwc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ahouts/rwc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fahouts%2Frwc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fahouts%2Frwc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f8d8d1e5f7463d8e1ac672b3d3cd4bb248c8b4c4
[INFO] building ahouts/rwc against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fahouts%2Frwc" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ahouts/rwc on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ahouts/rwc
[INFO] finished tweaking git repo https://github.com/ahouts/rwc
[INFO] tweaked toml for git repo https://github.com/ahouts/rwc written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ahouts/rwc 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d92b2b8e6ba8cbeb1da2fb88a6e7c527d7ca981c231d61937496fb94105ad4c8
[INFO] running `Command { std: "docker" "start" "-a" "d92b2b8e6ba8cbeb1da2fb88a6e7c527d7ca981c231d61937496fb94105ad4c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d92b2b8e6ba8cbeb1da2fb88a6e7c527d7ca981c231d61937496fb94105ad4c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d92b2b8e6ba8cbeb1da2fb88a6e7c527d7ca981c231d61937496fb94105ad4c8", kill_on_drop: false }`
[INFO] [stdout] d92b2b8e6ba8cbeb1da2fb88a6e7c527d7ca981c231d61937496fb94105ad4c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8465c51dc8c558adc5c6d0b41f26101efca4873d1d0cdc09fe769fc9d5505a0f
[INFO] running `Command { std: "docker" "start" "-a" "8465c51dc8c558adc5c6d0b41f26101efca4873d1d0cdc09fe769fc9d5505a0f", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling libc v0.2.44
[INFO] [stderr]    Compiling cfg-if v0.1.6
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling lazy_static v1.2.0
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling arrayvec v0.4.8
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling textwrap v0.10.0
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling utf-8 v0.7.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling rwc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/counts.rs:25:42
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn display<'a>(&self, w: &'a mut Write, filename: &str, opt: &Options) -> io::Result<()> {
[INFO] [stdout]    |                                          ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) 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 a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn display<'a>(&self, w: &'a mut dyn Write, filename: &str, opt: &Options) -> io::Result<()> {
[INFO] [stdout]    |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/reader.rs:12:53
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn get_buff_reader<'a>(&'a mut self) -> Box<BufRead + 'a> {
[INFO] [stdout]    |                                                     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) 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] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn get_buff_reader<'a>(&'a mut self) -> Box<dyn BufRead + 'a> {
[INFO] [stdout]    |                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.97s
[INFO] running `Command { std: "docker" "inspect" "8465c51dc8c558adc5c6d0b41f26101efca4873d1d0cdc09fe769fc9d5505a0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8465c51dc8c558adc5c6d0b41f26101efca4873d1d0cdc09fe769fc9d5505a0f", kill_on_drop: false }`
[INFO] [stdout] 8465c51dc8c558adc5c6d0b41f26101efca4873d1d0cdc09fe769fc9d5505a0f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b1c5b9cf4fbdac85f10bd54ff6eda480d04a967fdb3ef360a6e78c9420fd9d7e
[INFO] running `Command { std: "docker" "start" "-a" "b1c5b9cf4fbdac85f10bd54ff6eda480d04a967fdb3ef360a6e78c9420fd9d7e", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling rwc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/counts.rs:25:42
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn display<'a>(&self, w: &'a mut Write, filename: &str, opt: &Options) -> io::Result<()> {
[INFO] [stdout]    |                                          ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) 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 a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn display<'a>(&self, w: &'a mut dyn Write, filename: &str, opt: &Options) -> io::Result<()> {
[INFO] [stdout]    |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/reader.rs:12:53
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn get_buff_reader<'a>(&'a mut self) -> Box<BufRead + 'a> {
[INFO] [stdout]    |                                                     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) 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] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn get_buff_reader<'a>(&'a mut self) -> Box<dyn BufRead + 'a> {
[INFO] [stdout]    |                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "b1c5b9cf4fbdac85f10bd54ff6eda480d04a967fdb3ef360a6e78c9420fd9d7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1c5b9cf4fbdac85f10bd54ff6eda480d04a967fdb3ef360a6e78c9420fd9d7e", kill_on_drop: false }`
[INFO] [stdout] b1c5b9cf4fbdac85f10bd54ff6eda480d04a967fdb3ef360a6e78c9420fd9d7e