[INFO] fetching crate yarf 0.0.2...
[INFO] testing yarf-0.0.2 against master#ec6f9a5b4413f74386267ef8efc93712c2ce6db6 for pr-155739-1
[INFO] extracting crate yarf 0.0.2 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate yarf 0.0.2
[INFO] finished tweaking crates.io crate yarf 0.0.2
[INFO] tweaked toml for crates.io crate yarf 0.0.2 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate yarf 0.0.2 on toolchain ec6f9a5b4413f74386267ef8efc93712c2ce6db6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 3 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: file `/workspace/builds/worker-0-tc1/source/examples/hello.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `bin` target `hello`
[INFO] [stderr]   * `example` target `hello`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded yarf-sys v0.0.2
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 42cc2796604a7eb55da7e16d293b80584b2fc53f6a2f907918fac5449bb06d41
[INFO] running `Command { std: "docker" "start" "-a" "42cc2796604a7eb55da7e16d293b80584b2fc53f6a2f907918fac5449bb06d41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "42cc2796604a7eb55da7e16d293b80584b2fc53f6a2f907918fac5449bb06d41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42cc2796604a7eb55da7e16d293b80584b2fc53f6a2f907918fac5449bb06d41", kill_on_drop: false }`
[INFO] [stdout] 42cc2796604a7eb55da7e16d293b80584b2fc53f6a2f907918fac5449bb06d41
[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" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef182a9830f13631b75abd7ffef5042a1a7790ed883b519c6bec52bcf377e93d
[INFO] running `Command { std: "docker" "start" "-a" "ef182a9830f13631b75abd7ffef5042a1a7790ed883b519c6bec52bcf377e93d", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: file `/opt/rustwide/workdir/examples/hello.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `bin` target `hello`
[INFO] [stderr]   * `example` target `hello`
[INFO] [stderr]    Compiling yarf-sys v0.0.2
[INFO] [stderr]    Compiling yarf v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:298:26
[INFO] [stdout]     |
[INFO] [stdout] 298 | pub fn yarf_main(fs: Box<FileSystem>) -> i64 {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 298 | pub fn yarf_main(fs: Box<dyn FileSystem>) -> i64 {
[INFO] [stdout]     |                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:820:35
[INFO] [stdout]     |
[INFO] [stdout] 820 | fn get_filesystem() -> Option<Box<FileSystem>> {
[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/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] 820 | fn get_filesystem() -> Option<Box<dyn FileSystem>> {
[INFO] [stdout]     |                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:370:50
[INFO] [stdout]     |
[INFO] [stdout] 370 |     let fsptr = Box::into_raw(fstmp) as *mut Box<FileSystem> as *mut c_void;
[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/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] 370 |     let fsptr = Box::into_raw(fstmp) as *mut Box<dyn FileSystem> as *mut c_void;
[INFO] [stdout]     |                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:826:58
[INFO] [stdout]     |
[INFO] [stdout] 826 |     let fsbox = unsafe { (*ctx).private_data as *mut Box<FileSystem> };
[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/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] 826 |     let fsbox = unsafe { (*ctx).private_data as *mut Box<dyn FileSystem> };
[INFO] [stdout]     |                                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> examples/hello.rs:20:21
[INFO] [stdout]    |
[INFO] [stdout] 20 |                 let mut st = stbuf.unwrap();
[INFO] [stdout]    |                     ----^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> examples/hello.rs:26:21
[INFO] [stdout]    |
[INFO] [stdout] 26 |                 let mut st = stbuf.unwrap();
[INFO] [stdout]    |                     ----^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "ef182a9830f13631b75abd7ffef5042a1a7790ed883b519c6bec52bcf377e93d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef182a9830f13631b75abd7ffef5042a1a7790ed883b519c6bec52bcf377e93d", kill_on_drop: false }`
[INFO] [stdout] ef182a9830f13631b75abd7ffef5042a1a7790ed883b519c6bec52bcf377e93d
[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" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 61e61986709acf9bbea058fb1f4c5af4b25fefb957ac961e80c68509ca8c5ff5
[INFO] running `Command { std: "docker" "start" "-a" "61e61986709acf9bbea058fb1f4c5af4b25fefb957ac961e80c68509ca8c5ff5", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: file `/opt/rustwide/workdir/examples/hello.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `bin` target `hello`
[INFO] [stderr]   * `example` target `hello`
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:298:26
[INFO] [stdout]     |
[INFO] [stdout] 298 | pub fn yarf_main(fs: Box<FileSystem>) -> i64 {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 298 | pub fn yarf_main(fs: Box<dyn FileSystem>) -> i64 {
[INFO] [stdout]     |                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:820:35
[INFO] [stdout]     |
[INFO] [stdout] 820 | fn get_filesystem() -> Option<Box<FileSystem>> {
[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/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] 820 | fn get_filesystem() -> Option<Box<dyn FileSystem>> {
[INFO] [stdout]     |                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling yarf v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:370:50
[INFO] [stdout]     |
[INFO] [stdout] 370 |     let fsptr = Box::into_raw(fstmp) as *mut Box<FileSystem> as *mut c_void;
[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/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] 370 |     let fsptr = Box::into_raw(fstmp) as *mut Box<dyn FileSystem> as *mut c_void;
[INFO] [stdout]     |                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:826:58
[INFO] [stdout]     |
[INFO] [stdout] 826 |     let fsbox = unsafe { (*ctx).private_data as *mut Box<FileSystem> };
[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/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] 826 |     let fsbox = unsafe { (*ctx).private_data as *mut Box<dyn FileSystem> };
[INFO] [stdout]     |                                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:298:26
[INFO] [stdout]     |
[INFO] [stdout] 298 | pub fn yarf_main(fs: Box<FileSystem>) -> i64 {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 298 | pub fn yarf_main(fs: Box<dyn FileSystem>) -> i64 {
[INFO] [stdout]     |                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:820:35
[INFO] [stdout]     |
[INFO] [stdout] 820 | fn get_filesystem() -> Option<Box<FileSystem>> {
[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/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] 820 | fn get_filesystem() -> Option<Box<dyn FileSystem>> {
[INFO] [stdout]     |                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> examples/hello.rs:20:21
[INFO] [stdout]    |
[INFO] [stdout] 20 |                 let mut st = stbuf.unwrap();
[INFO] [stdout]    |                     ----^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> examples/hello.rs:20:21
[INFO] [stdout]    |
[INFO] [stdout] 20 |                 let mut st = stbuf.unwrap();
[INFO] [stdout]    |                     ----^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> examples/hello.rs:26:21
[INFO] [stdout]    |
[INFO] [stdout] 26 |                 let mut st = stbuf.unwrap();
[INFO] [stdout]    |                     ----^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> examples/hello.rs:26:21
[INFO] [stdout]    |
[INFO] [stdout] 26 |                 let mut st = stbuf.unwrap();
[INFO] [stdout]    |                     ----^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:370:50
[INFO] [stdout]     |
[INFO] [stdout] 370 |     let fsptr = Box::into_raw(fstmp) as *mut Box<FileSystem> as *mut c_void;
[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/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] 370 |     let fsptr = Box::into_raw(fstmp) as *mut Box<dyn FileSystem> as *mut c_void;
[INFO] [stdout]     |                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:826:58
[INFO] [stdout]     |
[INFO] [stdout] 826 |     let fsbox = unsafe { (*ctx).private_data as *mut Box<FileSystem> };
[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/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] 826 |     let fsbox = unsafe { (*ctx).private_data as *mut Box<dyn FileSystem> };
[INFO] [stdout]     |                                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "61e61986709acf9bbea058fb1f4c5af4b25fefb957ac961e80c68509ca8c5ff5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61e61986709acf9bbea058fb1f4c5af4b25fefb957ac961e80c68509ca8c5ff5", kill_on_drop: false }`
[INFO] [stdout] 61e61986709acf9bbea058fb1f4c5af4b25fefb957ac961e80c68509ca8c5ff5
[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" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9eaa9e6af88825a020d3cbfb9a313be0bb85637f6cc1f06a95b58c3692487a0f
[INFO] running `Command { std: "docker" "start" "-a" "9eaa9e6af88825a020d3cbfb9a313be0bb85637f6cc1f06a95b58c3692487a0f", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: file `/opt/rustwide/workdir/examples/hello.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `bin` target `hello`
[INFO] [stderr]   * `example` target `hello`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:298:26
[INFO] [stderr]     |
[INFO] [stderr] 298 | pub fn yarf_main(fs: Box<FileSystem>) -> i64 {
[INFO] [stderr]     |                          ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 298 | pub fn yarf_main(fs: Box<dyn FileSystem>) -> i64 {
[INFO] [stderr]     |                          +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:820:35
[INFO] [stderr]     |
[INFO] [stderr] 820 | fn get_filesystem() -> Option<Box<FileSystem>> {
[INFO] [stderr]     |                                   ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 820 | fn get_filesystem() -> Option<Box<dyn FileSystem>> {
[INFO] [stderr]     |                                   +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:370:50
[INFO] [stderr]     |
[INFO] [stderr] 370 |     let fsptr = Box::into_raw(fstmp) as *mut Box<FileSystem> as *mut c_void;
[INFO] [stderr]     |                                                  ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 370 |     let fsptr = Box::into_raw(fstmp) as *mut Box<dyn FileSystem> as *mut c_void;
[INFO] [stderr]     |                                                  +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:826:58
[INFO] [stderr]     |
[INFO] [stderr] 826 |     let fsbox = unsafe { (*ctx).private_data as *mut Box<FileSystem> };
[INFO] [stderr]     |                                                          ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 826 |     let fsbox = unsafe { (*ctx).private_data as *mut Box<dyn FileSystem> };
[INFO] [stderr]     |                                                          +++
[INFO] [stderr] 
[INFO] [stderr] warning: `yarf` (lib) generated 4 warnings (run `cargo fix --lib -p yarf` to apply 4 suggestions)
[INFO] [stderr] warning: `yarf` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> examples/hello.rs:20:21
[INFO] [stderr]    |
[INFO] [stderr] 20 |                 let mut st = stbuf.unwrap();
[INFO] [stderr]    |                     ----^^
[INFO] [stderr]    |                     |
[INFO] [stderr]    |                     help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> examples/hello.rs:26:21
[INFO] [stderr]    |
[INFO] [stderr] 26 |                 let mut st = stbuf.unwrap();
[INFO] [stderr]    |                     ----^^
[INFO] [stderr]    |                     |
[INFO] [stderr]    |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: `yarf` (example "hello") generated 2 warnings (run `cargo fix --example "hello" -p yarf` to apply 2 suggestions)
[INFO] [stderr] warning: `yarf` (bin "hello" test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/yarf-bf06ed35765e1bc8)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests examples/hello.rs (/opt/rustwide/target/debug/deps/hello-5e8795b00b24d105)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests yarf
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9eaa9e6af88825a020d3cbfb9a313be0bb85637f6cc1f06a95b58c3692487a0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9eaa9e6af88825a020d3cbfb9a313be0bb85637f6cc1f06a95b58c3692487a0f", kill_on_drop: false }`
[INFO] [stdout] 9eaa9e6af88825a020d3cbfb9a313be0bb85637f6cc1f06a95b58c3692487a0f
