[INFO] fetching crate m3u 1.0.0...
[INFO] building m3u-1.0.0 against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] extracting crate m3u 1.0.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate m3u 1.0.0 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 crates.io crate m3u 1.0.0
[INFO] finished tweaking crates.io crate m3u 1.0.0
[INFO] tweaked toml for crates.io crate m3u 1.0.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 8 packages to latest compatible versions
[INFO] [stderr]       Adding url v1.7.2 (available: v2.5.4)
[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-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 97ca476992475b9b0be784271c7c87f9b7132f410edc8219c8e3005bb5857675
[INFO] running `Command { std: "docker" "start" "-a" "97ca476992475b9b0be784271c7c87f9b7132f410edc8219c8e3005bb5857675", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "97ca476992475b9b0be784271c7c87f9b7132f410edc8219c8e3005bb5857675", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97ca476992475b9b0be784271c7c87f9b7132f410edc8219c8e3005bb5857675", kill_on_drop: false }`
[INFO] [stdout] 97ca476992475b9b0be784271c7c87f9b7132f410edc8219c8e3005bb5857675
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 5f3fc9ba333368cc61036949a9e1c2fc4fbb8f980de32069f8a6ac0175167bfa
[INFO] running `Command { std: "docker" "start" "-a" "5f3fc9ba333368cc61036949a9e1c2fc4fbb8f980de32069f8a6ac0175167bfa", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling m3u v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:132:34
[INFO] [stdout]     |
[INFO] [stdout] 132 |             let num_read_bytes = try!(reader.read_line(&mut line_buffer));
[INFO] [stdout]     |                                  ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:196:16
[INFO] [stdout]     |
[INFO] [stdout] 196 |             if try!(reader.read_line(line_buffer)) == 0 {
[INFO] [stdout]     |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:224:31
[INFO] [stdout]     |
[INFO] [stdout] 224 |             let entry = match try!(read_next_entry(reader, line_buffer)) {
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:257:20
[INFO] [stdout]     |
[INFO] [stdout] 257 |         let file = try!(std::fs::File::open(filename));
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:273:20
[INFO] [stdout]     |
[INFO] [stdout] 273 |         let file = try!(std::fs::File::open(filename));
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:288:12
[INFO] [stdout]     |
[INFO] [stdout] 288 |         if try!(reader.read_line(line_buffer)) == 0 {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 64 |         try!(write_entry(line_buffer, entry));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:79:9
[INFO] [stdout]    |
[INFO] [stdout] 79 |         try!(writeln!(&mut line_buffer, "#EXTM3U"));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:80:9
[INFO] [stdout]    |
[INFO] [stdout] 80 |         try!(writer.write_all(&line_buffer));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:91:9
[INFO] [stdout]    |
[INFO] [stdout] 91 |         try!(writeln!(line_buffer, "#EXTINF:{},{}", extinf.duration_secs, &extinf.name));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:92:9
[INFO] [stdout]    |
[INFO] [stdout] 92 |         try!(write_entry(line_buffer, &entry_ext.entry));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/read.rs:366:36
[INFO] [stdout]     |
[INFO] [stdout] 366 |                 std::error::Error::description(err),
[INFO] [stdout]     |                                    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/read.rs:383:36
[INFO] [stdout]     |
[INFO] [stdout] 383 |                 std::error::Error::description(err),
[INFO] [stdout]     |                                    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/read.rs:399:52
[INFO] [stdout]     |
[INFO] [stdout] 399 |                 write!(f, "{}", std::error::Error::description(self)),
[INFO] [stdout]     |                                                    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/read.rs:410:52
[INFO] [stdout]     |
[INFO] [stdout] 410 |                 write!(f, "{}", std::error::Error::description(self)),
[INFO] [stdout]     |                                                    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/read.rs:369:32
[INFO] [stdout]     |
[INFO] [stdout] 369 |     fn cause(&self) -> Option<&std::error::Error> {
[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] 369 |     fn cause(&self) -> Option<&dyn std::error::Error> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/read.rs:386:32
[INFO] [stdout]     |
[INFO] [stdout] 386 |     fn cause(&self) -> Option<&std::error::Error> {
[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] 386 |     fn cause(&self) -> Option<&dyn std::error::Error> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `core::str::<impl str>::trim_left`: superseded by `trim_start`
[INFO] [stdout]    --> src/read.rs:133:36
[INFO] [stdout]     |
[INFO] [stdout] 133 |             let line = line_buffer.trim_left();
[INFO] [stdout]     |                                    ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]     |
[INFO] [stdout] 133 |             let line = line_buffer.trim_start();
[INFO] [stdout]     |                                    ~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `core::str::<impl str>::trim_left`: superseded by `trim_start`
[INFO] [stdout]    --> src/read.rs:201:40
[INFO] [stdout]     |
[INFO] [stdout] 201 |                 let line = line_buffer.trim_left();
[INFO] [stdout]     |                                        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]     |
[INFO] [stdout] 201 |                 let line = line_buffer.trim_start();
[INFO] [stdout]     |                                        ~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `core::str::<impl str>::trim_right`: superseded by `trim_end`
[INFO] [stdout]    --> src/read.rs:217:53
[INFO] [stdout]     |
[INFO] [stdout] 217 |                         let entry = read_entry(line.trim_right());
[INFO] [stdout]     |                                                     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]     |
[INFO] [stdout] 217 |                         let entry = read_entry(line.trim_end());
[INFO] [stdout]     |                                                     ~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `core::str::<impl str>::trim_left`: superseded by `trim_start`
[INFO] [stdout]    --> src/read.rs:292:32
[INFO] [stdout]     |
[INFO] [stdout] 292 |         let line = line_buffer.trim_left();
[INFO] [stdout]     |                                ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]     |
[INFO] [stdout] 292 |         let line = line_buffer.trim_start();
[INFO] [stdout]     |                                ~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `core::str::<impl str>::trim_right`: superseded by `trim_end`
[INFO] [stdout]    --> src/read.rs:299:49
[INFO] [stdout]     |
[INFO] [stdout] 299 |             _ => return Ok(Some(read_entry(line.trim_right()))),
[INFO] [stdout]     |                                                 ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]     |
[INFO] [stdout] 299 |             _ => return Ok(Some(read_entry(line.trim_end()))),
[INFO] [stdout]     |                                                 ~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "5f3fc9ba333368cc61036949a9e1c2fc4fbb8f980de32069f8a6ac0175167bfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f3fc9ba333368cc61036949a9e1c2fc4fbb8f980de32069f8a6ac0175167bfa", kill_on_drop: false }`
[INFO] [stdout] 5f3fc9ba333368cc61036949a9e1c2fc4fbb8f980de32069f8a6ac0175167bfa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 43d1dd6765f64329190f99d3d493181d4bb7d2ca5b22eb774460ba590b8f7590
[INFO] running `Command { std: "docker" "start" "-a" "43d1dd6765f64329190f99d3d493181d4bb7d2ca5b22eb774460ba590b8f7590", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:132:34
[INFO] [stdout]     |
[INFO] [stdout] 132 |             let num_read_bytes = try!(reader.read_line(&mut line_buffer));
[INFO] [stdout]     |                                  ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:196:16
[INFO] [stdout]     |
[INFO] [stdout] 196 |             if try!(reader.read_line(line_buffer)) == 0 {
[INFO] [stdout]     |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:224:31
[INFO] [stdout]     |
[INFO] [stdout] 224 |             let entry = match try!(read_next_entry(reader, line_buffer)) {
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:257:20
[INFO] [stdout]     |
[INFO] [stdout] 257 |         let file = try!(std::fs::File::open(filename));
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:273:20
[INFO] [stdout]     |
[INFO] [stdout] 273 |         let file = try!(std::fs::File::open(filename));
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:288:12
[INFO] [stdout]     |
[INFO] [stdout] 288 |         if try!(reader.read_line(line_buffer)) == 0 {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 64 |         try!(write_entry(line_buffer, entry));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:79:9
[INFO] [stdout]    |
[INFO] [stdout] 79 |         try!(writeln!(&mut line_buffer, "#EXTM3U"));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:80:9
[INFO] [stdout]    |
[INFO] [stdout] 80 |         try!(writer.write_all(&line_buffer));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:91:9
[INFO] [stdout]    |
[INFO] [stdout] 91 |         try!(writeln!(line_buffer, "#EXTINF:{},{}", extinf.duration_secs, &extinf.name));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:92:9
[INFO] [stdout]    |
[INFO] [stdout] 92 |         try!(write_entry(line_buffer, &entry_ext.entry));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/read.rs:366:36
[INFO] [stdout]     |
[INFO] [stdout] 366 |                 std::error::Error::description(err),
[INFO] [stdout]     |                                    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/read.rs:383:36
[INFO] [stdout]     |
[INFO] [stdout] 383 |                 std::error::Error::description(err),
[INFO] [stdout]     |                                    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/read.rs:399:52
[INFO] [stdout]     |
[INFO] [stdout] 399 |                 write!(f, "{}", std::error::Error::description(self)),
[INFO] [stdout]     |                                                    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/read.rs:410:52
[INFO] [stdout]     |
[INFO] [stdout] 410 |                 write!(f, "{}", std::error::Error::description(self)),
[INFO] [stdout]     |                                                    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/read.rs:369:32
[INFO] [stdout]     |
[INFO] [stdout] 369 |     fn cause(&self) -> Option<&std::error::Error> {
[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] 369 |     fn cause(&self) -> Option<&dyn std::error::Error> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/read.rs:386:32
[INFO] [stdout]     |
[INFO] [stdout] 386 |     fn cause(&self) -> Option<&std::error::Error> {
[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] 386 |     fn cause(&self) -> Option<&dyn std::error::Error> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `core::str::<impl str>::trim_left`: superseded by `trim_start`
[INFO] [stdout]    --> src/read.rs:133:36
[INFO] [stdout]     |
[INFO] [stdout] 133 |             let line = line_buffer.trim_left();
[INFO] [stdout]     |                                    ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]     |
[INFO] [stdout] 133 |             let line = line_buffer.trim_start();
[INFO] [stdout]     |                                    ~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `core::str::<impl str>::trim_left`: superseded by `trim_start`
[INFO] [stdout]    --> src/read.rs:201:40
[INFO] [stdout]     |
[INFO] [stdout] 201 |                 let line = line_buffer.trim_left();
[INFO] [stdout]     |                                        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]     |
[INFO] [stdout] 201 |                 let line = line_buffer.trim_start();
[INFO] [stdout]     |                                        ~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `core::str::<impl str>::trim_right`: superseded by `trim_end`
[INFO] [stdout]    --> src/read.rs:217:53
[INFO] [stdout]     |
[INFO] [stdout] 217 |                         let entry = read_entry(line.trim_right());
[INFO] [stdout]     |                                                     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]     |
[INFO] [stdout] 217 |                         let entry = read_entry(line.trim_end());
[INFO] [stdout]     |                                                     ~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `core::str::<impl str>::trim_left`: superseded by `trim_start`
[INFO] [stdout]    --> src/read.rs:292:32
[INFO] [stdout]     |
[INFO] [stdout] 292 |         let line = line_buffer.trim_left();
[INFO] [stdout]     |                                ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]     |
[INFO] [stdout] 292 |         let line = line_buffer.trim_start();
[INFO] [stdout]     |                                ~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling m3u v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated method `core::str::<impl str>::trim_right`: superseded by `trim_end`
[INFO] [stdout]    --> src/read.rs:299:49
[INFO] [stdout]     |
[INFO] [stdout] 299 |             _ => return Ok(Some(read_entry(line.trim_right()))),
[INFO] [stdout]     |                                                 ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]     |
[INFO] [stdout] 299 |             _ => return Ok(Some(read_entry(line.trim_end()))),
[INFO] [stdout]     |                                                 ~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:132:34
[INFO] [stdout]     |
[INFO] [stdout] 132 |             let num_read_bytes = try!(reader.read_line(&mut line_buffer));
[INFO] [stdout]     |                                  ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:196:16
[INFO] [stdout]     |
[INFO] [stdout] 196 |             if try!(reader.read_line(line_buffer)) == 0 {
[INFO] [stdout]     |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:224:31
[INFO] [stdout]     |
[INFO] [stdout] 224 |             let entry = match try!(read_next_entry(reader, line_buffer)) {
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:257:20
[INFO] [stdout]     |
[INFO] [stdout] 257 |         let file = try!(std::fs::File::open(filename));
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:273:20
[INFO] [stdout]     |
[INFO] [stdout] 273 |         let file = try!(std::fs::File::open(filename));
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:288:12
[INFO] [stdout]     |
[INFO] [stdout] 288 |         if try!(reader.read_line(line_buffer)) == 0 {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 64 |         try!(write_entry(line_buffer, entry));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:79:9
[INFO] [stdout]    |
[INFO] [stdout] 79 |         try!(writeln!(&mut line_buffer, "#EXTM3U"));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:80:9
[INFO] [stdout]    |
[INFO] [stdout] 80 |         try!(writer.write_all(&line_buffer));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:91:9
[INFO] [stdout]    |
[INFO] [stdout] 91 |         try!(writeln!(line_buffer, "#EXTINF:{},{}", extinf.duration_secs, &extinf.name));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:92:9
[INFO] [stdout]    |
[INFO] [stdout] 92 |         try!(write_entry(line_buffer, &entry_ext.entry));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/read.rs:366:36
[INFO] [stdout]     |
[INFO] [stdout] 366 |                 std::error::Error::description(err),
[INFO] [stdout]     |                                    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/read.rs:383:36
[INFO] [stdout]     |
[INFO] [stdout] 383 |                 std::error::Error::description(err),
[INFO] [stdout]     |                                    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/read.rs:399:52
[INFO] [stdout]     |
[INFO] [stdout] 399 |                 write!(f, "{}", std::error::Error::description(self)),
[INFO] [stdout]     |                                                    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/read.rs:410:52
[INFO] [stdout]     |
[INFO] [stdout] 410 |                 write!(f, "{}", std::error::Error::description(self)),
[INFO] [stdout]     |                                                    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/read.rs:369:32
[INFO] [stdout]     |
[INFO] [stdout] 369 |     fn cause(&self) -> Option<&std::error::Error> {
[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] 369 |     fn cause(&self) -> Option<&dyn std::error::Error> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/read.rs:386:32
[INFO] [stdout]     |
[INFO] [stdout] 386 |     fn cause(&self) -> Option<&std::error::Error> {
[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] 386 |     fn cause(&self) -> Option<&dyn std::error::Error> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `core::str::<impl str>::trim_left`: superseded by `trim_start`
[INFO] [stdout]    --> src/read.rs:133:36
[INFO] [stdout]     |
[INFO] [stdout] 133 |             let line = line_buffer.trim_left();
[INFO] [stdout]     |                                    ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]     |
[INFO] [stdout] 133 |             let line = line_buffer.trim_start();
[INFO] [stdout]     |                                    ~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `core::str::<impl str>::trim_left`: superseded by `trim_start`
[INFO] [stdout]    --> src/read.rs:201:40
[INFO] [stdout]     |
[INFO] [stdout] 201 |                 let line = line_buffer.trim_left();
[INFO] [stdout]     |                                        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]     |
[INFO] [stdout] 201 |                 let line = line_buffer.trim_start();
[INFO] [stdout]     |                                        ~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `core::str::<impl str>::trim_right`: superseded by `trim_end`
[INFO] [stdout]    --> src/read.rs:217:53
[INFO] [stdout]     |
[INFO] [stdout] 217 |                         let entry = read_entry(line.trim_right());
[INFO] [stdout]     |                                                     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]     |
[INFO] [stdout] 217 |                         let entry = read_entry(line.trim_end());
[INFO] [stdout]     |                                                     ~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `core::str::<impl str>::trim_left`: superseded by `trim_start`
[INFO] [stdout]    --> src/read.rs:292:32
[INFO] [stdout]     |
[INFO] [stdout] 292 |         let line = line_buffer.trim_left();
[INFO] [stdout]     |                                ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]     |
[INFO] [stdout] 292 |         let line = line_buffer.trim_start();
[INFO] [stdout]     |                                ~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `core::str::<impl str>::trim_right`: superseded by `trim_end`
[INFO] [stdout]    --> src/read.rs:299:49
[INFO] [stdout]     |
[INFO] [stdout] 299 |             _ => return Ok(Some(read_entry(line.trim_right()))),
[INFO] [stdout]     |                                                 ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]     |
[INFO] [stdout] 299 |             _ => return Ok(Some(read_entry(line.trim_end()))),
[INFO] [stdout]     |                                                 ~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "43d1dd6765f64329190f99d3d493181d4bb7d2ca5b22eb774460ba590b8f7590", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43d1dd6765f64329190f99d3d493181d4bb7d2ca5b22eb774460ba590b8f7590", kill_on_drop: false }`
[INFO] [stdout] 43d1dd6765f64329190f99d3d493181d4bb7d2ca5b22eb774460ba590b8f7590