[INFO] cloning repository https://github.com/s3rvac/yabir
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/s3rvac/yabir" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fs3rvac%2Fyabir", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fs3rvac%2Fyabir'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e7363c05b4765af29ac180c0472cb8a8a08ba67d
[INFO] testing s3rvac/yabir against try#0abe69e6c16114311cc2700e972492e64d69c28f for pr-154065-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fs3rvac%2Fyabir" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/s3rvac/yabir
[INFO] finished tweaking git repo https://github.com/s3rvac/yabir
[INFO] tweaked toml for git repo https://github.com/s3rvac/yabir written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/s3rvac/yabir on toolchain 0abe69e6c16114311cc2700e972492e64d69c28f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/s3rvac/yabir 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" "+0abe69e6c16114311cc2700e972492e64d69c28f" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b47b07a6771dacc5055b27fce64b9eb49caf482c8580077deb03f2b04bd427ec
[INFO] running `Command { std: "docker" "start" "-a" "b47b07a6771dacc5055b27fce64b9eb49caf482c8580077deb03f2b04bd427ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b47b07a6771dacc5055b27fce64b9eb49caf482c8580077deb03f2b04bd427ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b47b07a6771dacc5055b27fce64b9eb49caf482c8580077deb03f2b04bd427ec", kill_on_drop: false }`
[INFO] [stdout] b47b07a6771dacc5055b27fce64b9eb49caf482c8580077deb03f2b04bd427ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "-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" "+0abe69e6c16114311cc2700e972492e64d69c28f" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cb91bb4c1a176dda6d975019f0acb0ab9b7c27ccff5adff3b0dd4782e1b52be3
[INFO] running `Command { std: "docker" "start" "-a" "cb91bb4c1a176dda6d975019f0acb0ab9b7c27ccff5adff3b0dd4782e1b52be3", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]    Compiling yabir v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/runner.rs:184:28
[INFO] [stdout]     |
[INFO] [stdout] 184 |            mut input: &mut std::io::Read,
[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] 184 |            mut input: &mut dyn std::io::Read,
[INFO] [stdout]     |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/runner.rs:185:29
[INFO] [stdout]     |
[INFO] [stdout] 185 |            mut output: &mut std::io::Write)
[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] 185 |            mut output: &mut dyn std::io::Write)
[INFO] [stdout]     |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/runner.rs:41:32
[INFO] [stdout]    |
[INFO] [stdout] 41 |                mut input: &mut std::io::Read,
[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] 41 |                mut input: &mut dyn std::io::Read,
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/runner.rs:42:33
[INFO] [stdout]    |
[INFO] [stdout] 42 |                mut output: &mut std::io::Write)
[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] 42 |                mut output: &mut dyn std::io::Write)
[INFO] [stdout]    |                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/runner.rs:61:40
[INFO] [stdout]    |
[INFO] [stdout] 61 |                        mut input: &mut std::io::Read,
[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] 61 |                        mut input: &mut dyn std::io::Read,
[INFO] [stdout]    |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/runner.rs:62:41
[INFO] [stdout]    |
[INFO] [stdout] 62 |                        mut output: &mut std::io::Write)
[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] 62 |                        mut output: &mut dyn std::io::Write)
[INFO] [stdout]    |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/runner.rs:112:46
[INFO] [stdout]     |
[INFO] [stdout] 112 |     fn read_value(&mut self, mut input: &mut std::io::Read) -> Result<(), String> {
[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] 112 |     fn read_value(&mut self, mut input: &mut dyn std::io::Read) -> Result<(), String> {
[INFO] [stdout]     |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/runner.rs:136:48
[INFO] [stdout]     |
[INFO] [stdout] 136 |     fn write_value(&mut self, mut output: &mut std::io::Write) -> Result<(), String> {
[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] 136 |     fn write_value(&mut self, mut output: &mut dyn std::io::Write) -> Result<(), String> {
[INFO] [stdout]     |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/runner.rs:112:30
[INFO] [stdout]     |
[INFO] [stdout] 112 |     fn read_value(&mut self, mut input: &mut std::io::Read) -> Result<(), String> {
[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]    --> src/runner.rs:136:31
[INFO] [stdout]     |
[INFO] [stdout] 136 |     fn write_value(&mut self, mut output: &mut std::io::Write) -> Result<(), String> {
[INFO] [stdout]     |                               ----^^^^^^
[INFO] [stdout]     |                               |
[INFO] [stdout]     |                               help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "cb91bb4c1a176dda6d975019f0acb0ab9b7c27ccff5adff3b0dd4782e1b52be3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb91bb4c1a176dda6d975019f0acb0ab9b7c27ccff5adff3b0dd4782e1b52be3", kill_on_drop: false }`
[INFO] [stdout] cb91bb4c1a176dda6d975019f0acb0ab9b7c27ccff5adff3b0dd4782e1b52be3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "-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" "+0abe69e6c16114311cc2700e972492e64d69c28f" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ecaa9aa8d6985919a06d690c14dadcff0ad1c2c3fd23371d2646ec8d95013a9a
[INFO] running `Command { std: "docker" "start" "-a" "ecaa9aa8d6985919a06d690c14dadcff0ad1c2c3fd23371d2646ec8d95013a9a", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]    Compiling yabir v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/runner.rs:184:28
[INFO] [stdout]     |
[INFO] [stdout] 184 |            mut input: &mut std::io::Read,
[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] 184 |            mut input: &mut dyn std::io::Read,
[INFO] [stdout]     |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/runner.rs:185:29
[INFO] [stdout]     |
[INFO] [stdout] 185 |            mut output: &mut std::io::Write)
[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] 185 |            mut output: &mut dyn std::io::Write)
[INFO] [stdout]     |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/runner.rs:41:32
[INFO] [stdout]    |
[INFO] [stdout] 41 |                mut input: &mut std::io::Read,
[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] 41 |                mut input: &mut dyn std::io::Read,
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/runner.rs:42:33
[INFO] [stdout]    |
[INFO] [stdout] 42 |                mut output: &mut std::io::Write)
[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] 42 |                mut output: &mut dyn std::io::Write)
[INFO] [stdout]    |                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/runner.rs:61:40
[INFO] [stdout]    |
[INFO] [stdout] 61 |                        mut input: &mut std::io::Read,
[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] 61 |                        mut input: &mut dyn std::io::Read,
[INFO] [stdout]    |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/runner.rs:62:41
[INFO] [stdout]    |
[INFO] [stdout] 62 |                        mut output: &mut std::io::Write)
[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] 62 |                        mut output: &mut dyn std::io::Write)
[INFO] [stdout]    |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/runner.rs:112:46
[INFO] [stdout]     |
[INFO] [stdout] 112 |     fn read_value(&mut self, mut input: &mut std::io::Read) -> Result<(), String> {
[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] 112 |     fn read_value(&mut self, mut input: &mut dyn std::io::Read) -> Result<(), String> {
[INFO] [stdout]     |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/runner.rs:136:48
[INFO] [stdout]     |
[INFO] [stdout] 136 |     fn write_value(&mut self, mut output: &mut std::io::Write) -> Result<(), String> {
[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] 136 |     fn write_value(&mut self, mut output: &mut dyn std::io::Write) -> Result<(), String> {
[INFO] [stdout]     |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/runner.rs:112:30
[INFO] [stdout]     |
[INFO] [stdout] 112 |     fn read_value(&mut self, mut input: &mut std::io::Read) -> Result<(), String> {
[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]    --> src/runner.rs:136:31
[INFO] [stdout]     |
[INFO] [stdout] 136 |     fn write_value(&mut self, mut output: &mut std::io::Write) -> Result<(), String> {
[INFO] [stdout]     |                               ----^^^^^^
[INFO] [stdout]     |                               |
[INFO] [stdout]     |                               help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "ecaa9aa8d6985919a06d690c14dadcff0ad1c2c3fd23371d2646ec8d95013a9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecaa9aa8d6985919a06d690c14dadcff0ad1c2c3fd23371d2646ec8d95013a9a", kill_on_drop: false }`
[INFO] [stdout] ecaa9aa8d6985919a06d690c14dadcff0ad1c2c3fd23371d2646ec8d95013a9a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "-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" "+0abe69e6c16114311cc2700e972492e64d69c28f" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 869d95723ffa094f441f8a4e4cd502daa5e92e89d7e24875c63debe4bfbeebe1
[INFO] running `Command { std: "docker" "start" "-a" "869d95723ffa094f441f8a4e4cd502daa5e92e89d7e24875c63debe4bfbeebe1", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/runner.rs:184:28
[INFO] [stderr]     |
[INFO] [stderr] 184 |            mut input: &mut std::io::Read,
[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] 184 |            mut input: &mut dyn std::io::Read,
[INFO] [stderr]     |                            +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/runner.rs:185:29
[INFO] [stderr]     |
[INFO] [stderr] 185 |            mut output: &mut std::io::Write)
[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] 185 |            mut output: &mut dyn std::io::Write)
[INFO] [stdout] 
[INFO] [stderr]     |                             +++
[INFO] [stdout] running 21 tests
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/runner.rs:41:32
[INFO] [stdout] test cli::tests::should_print_usage_returns_false_when_prog_is_given ... ok
[INFO] [stderr]    |
[INFO] [stderr] 41 |                mut input: &mut std::io::Read,
[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] [stdout] test cli::tests::should_print_usage_returns_true_on_help_short_form ... ok
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] test cli::tests::should_print_usage_returns_true_on_help_long_form ... ok
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout] test lexer::tests::tokenize_ignores_unsupported_characters ... ok
[INFO] [stderr]    |
[INFO] [stdout] test cli::tests::should_print_usage_returns_true_on_no_arguments ... ok
[INFO] [stderr] 41 |                mut input: &mut dyn std::io::Read,
[INFO] [stdout] test lexer::tests::tokenize_recognizes_all_valid_tokens ... ok
[INFO] [stderr]    |                                +++
[INFO] [stdout] test lexer::tests::tokenize_returns_empty_vec_when_there_are_no_instructions ... ok
[INFO] [stderr] 
[INFO] [stdout] test parser::tests::parse_correctly_parses_infinite_loop ... ok
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout] test parser::tests::parse_correctly_parses_valid_program ... ok
[INFO] [stderr]   --> src/runner.rs:42:33
[INFO] [stdout] test parser::tests::parse_returns_empty_vec_when_there_are_no_tokens ... ok
[INFO] [stderr]    |
[INFO] [stdout] test parser::tests::parse_returns_error_when_missing_loop_end ... ok
[INFO] [stderr] 42 |                mut output: &mut std::io::Write)
[INFO] [stdout] test parser::tests::parse_returns_error_when_missing_loop_start ... ok
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^
[INFO] [stdout] test runner::tests::copies_input_to_output ... ok
[INFO] [stderr]    |
[INFO] [stdout] test runner::tests::read_does_not_alter_cell_value_when_at_end_of_file ... ok
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout] test runner::tests::returns_error_when_underflowing_data_pointer ... ok
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] test runner::tests::run_can_decrement_cell ... ok
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout] test runner::tests::run_can_increment_cell ... ok
[INFO] [stderr]    |
[INFO] [stdout] test runner::tests::run_can_loop ... ok
[INFO] [stderr] 42 |                mut output: &mut dyn std::io::Write)
[INFO] [stdout] test runner::tests::run_can_move_between_cells ... ok
[INFO] [stderr]    |                                 +++
[INFO] [stdout] test runner::tests::run_can_read_from_input_and_write_to_output ... ok
[INFO] [stderr] 
[INFO] [stdout] test runner::tests::run_does_nothing_when_program_has_no_instructions ... ok
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout] 
[INFO] [stderr]   --> src/runner.rs:61:40
[INFO] [stdout] test result: ok. 21 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr] 61 |                        mut input: &mut std::io::Read,
[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] 61 |                        mut input: &mut dyn std::io::Read,
[INFO] [stderr]    |                                        +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/runner.rs:62:41
[INFO] [stderr]    |
[INFO] [stderr] 62 |                        mut output: &mut std::io::Write)
[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] 62 |                        mut output: &mut dyn std::io::Write)
[INFO] [stderr]    |                                         +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/runner.rs:112:46
[INFO] [stderr]     |
[INFO] [stderr] 112 |     fn read_value(&mut self, mut input: &mut std::io::Read) -> Result<(), String> {
[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] 112 |     fn read_value(&mut self, mut input: &mut dyn std::io::Read) -> Result<(), String> {
[INFO] [stderr]     |                                              +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/runner.rs:136:48
[INFO] [stderr]     |
[INFO] [stderr] 136 |     fn write_value(&mut self, mut output: &mut std::io::Write) -> Result<(), String> {
[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] 136 |     fn write_value(&mut self, mut output: &mut dyn std::io::Write) -> Result<(), String> {
[INFO] [stderr]     |                                                +++
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/runner.rs:112:30
[INFO] [stderr]     |
[INFO] [stderr] 112 |     fn read_value(&mut self, mut input: &mut std::io::Read) -> Result<(), String> {
[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]    --> src/runner.rs:136:31
[INFO] [stderr]     |
[INFO] [stderr] 136 |     fn write_value(&mut self, mut output: &mut std::io::Write) -> Result<(), String> {
[INFO] [stderr]     |                               ----^^^^^^
[INFO] [stderr]     |                               |
[INFO] [stderr]     |                               help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: `yabir` (bin "yabir" test) generated 10 warnings (run `cargo fix --bin "yabir" -p yabir --tests` to apply 10 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/yabir-66a8ec08703e1b33)
[INFO] running `Command { std: "docker" "inspect" "869d95723ffa094f441f8a4e4cd502daa5e92e89d7e24875c63debe4bfbeebe1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "869d95723ffa094f441f8a4e4cd502daa5e92e89d7e24875c63debe4bfbeebe1", kill_on_drop: false }`
[INFO] [stdout] 869d95723ffa094f441f8a4e4cd502daa5e92e89d7e24875c63debe4bfbeebe1
