[INFO] cloning repository https://github.com/teozkr/rsbf
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/teozkr/rsbf" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fteozkr%2Frsbf", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fteozkr%2Frsbf'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 41600141aace3584cbb8f8e5910e2dce0a36d89b
[INFO] testing teozkr/rsbf against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fteozkr%2Frsbf" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/teozkr/rsbf on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/teozkr/rsbf
[INFO] finished tweaking git repo https://github.com/teozkr/rsbf
[INFO] tweaked toml for git repo https://github.com/teozkr/rsbf written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/teozkr/rsbf already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a3516fb6998183e933d99d4893f46b3deabd1175e357e835aef63cb4e35daf17
[INFO] running `Command { std: "docker" "start" "-a" "a3516fb6998183e933d99d4893f46b3deabd1175e357e835aef63cb4e35daf17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a3516fb6998183e933d99d4893f46b3deabd1175e357e835aef63cb4e35daf17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3516fb6998183e933d99d4893f46b3deabd1175e357e835aef63cb4e35daf17", kill_on_drop: false }`
[INFO] [stdout] a3516fb6998183e933d99d4893f46b3deabd1175e357e835aef63cb4e35daf17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d247cdd8a34fc35102b8f5419d993f43f87e7e32a53aaa3aac31e0b8de37ad00
[INFO] running `Command { std: "docker" "start" "-a" "d247cdd8a34fc35102b8f5419d993f43f87e7e32a53aaa3aac31e0b8de37ad00", kill_on_drop: false }`
[INFO] [stderr]    Compiling rsbf v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/bf/interp.rs:7:20
[INFO] [stdout]   |
[INFO] [stdout] 7 |     stdin: &'a mut Read,
[INFO] [stdout]   |                    ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/bf/interp.rs:8:21
[INFO] [stdout]   |
[INFO] [stdout] 8 |     stdout: &'a mut Write,
[INFO] [stdout]   |                     ^^^^^ help: use `dyn`: `dyn Write`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bf/interp.rs:16:27
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn new(stdin: &'a mut Read, stdout: &'a mut Write, src: &'a [u8]) -> BFState<'a> {
[INFO] [stdout]    |                           ^^^^ help: use `dyn`: `dyn Read`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bf/interp.rs:16:49
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn new(stdin: &'a mut Read, stdout: &'a mut Write, src: &'a [u8]) -> BFState<'a> {
[INFO] [stdout]    |                                                 ^^^^^ help: use `dyn`: `dyn Write`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/bf/interp.rs:62:17
[INFO] [stdout]    |
[INFO] [stdout] 62 |                 try!(self.stdin.read(&mut buf));
[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/bf/interp.rs:88:17
[INFO] [stdout]    |
[INFO] [stdout] 88 |                 try!(self.run_token(tok));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bf/interp.rs:97:28
[INFO] [stdout]    |
[INFO] [stdout] 97 | pub fn run_buf(stdin: &mut Read, stdout: &mut Write, buf: &[u8]) -> Result<()> {
[INFO] [stdout]    |                            ^^^^ help: use `dyn`: `dyn Read`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bf/interp.rs:97:47
[INFO] [stdout]    |
[INFO] [stdout] 97 | pub fn run_buf(stdin: &mut Read, stdout: &mut Write, buf: &[u8]) -> Result<()> {
[INFO] [stdout]    |                                               ^^^^^ help: use `dyn`: `dyn Write`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/bf/interp.rs:99:11
[INFO] [stdout]    |
[INFO] [stdout] 99 |     while try!(state.run_next()) {
[INFO] [stdout]    |           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/bf/interp.rs:104:29
[INFO] [stdout]     |
[INFO] [stdout] 104 | pub fn run_file(stdin: &mut Read, stdout: &mut Write, path: &Path) -> Result<()> {
[INFO] [stdout]     |                             ^^^^ help: use `dyn`: `dyn Read`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/bf/interp.rs:104:48
[INFO] [stdout]     |
[INFO] [stdout] 104 | pub fn run_file(stdin: &mut Read, stdout: &mut Write, path: &Path) -> Result<()> {
[INFO] [stdout]     |                                                ^^^^^ help: use `dyn`: `dyn Write`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/bf/interp.rs:105:15
[INFO] [stdout]     |
[INFO] [stdout] 105 |     let buf = try!(read_file(path));
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/bf/asm.rs:136:15
[INFO] [stdout]     |
[INFO] [stdout] 136 |     let buf = try!(read_file(path));
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/bf/internals.rs:70:5
[INFO] [stdout]    |
[INFO] [stdout] 70 |     try!(file.read_to_end(&mut buf));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/bf/internals.rs:68:20
[INFO] [stdout]    |
[INFO] [stdout] 68 |     let mut file = try!(File::open(path));
[INFO] [stdout]    |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.62s
[INFO] running `Command { std: "docker" "inspect" "d247cdd8a34fc35102b8f5419d993f43f87e7e32a53aaa3aac31e0b8de37ad00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d247cdd8a34fc35102b8f5419d993f43f87e7e32a53aaa3aac31e0b8de37ad00", kill_on_drop: false }`
[INFO] [stdout] d247cdd8a34fc35102b8f5419d993f43f87e7e32a53aaa3aac31e0b8de37ad00
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 94d0dd831e53761289b43caec64093dafea7c3ede8406f2ba7bb04860c4b016b
[INFO] running `Command { std: "docker" "start" "-a" "94d0dd831e53761289b43caec64093dafea7c3ede8406f2ba7bb04860c4b016b", kill_on_drop: false }`
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/bf/interp.rs:7:20
[INFO] [stdout]   |
[INFO] [stdout] 7 |     stdin: &'a mut Read,
[INFO] [stdout]   |                    ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rsbf v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/bf/interp.rs:8:21
[INFO] [stdout]   |
[INFO] [stdout] 8 |     stdout: &'a mut Write,
[INFO] [stdout]   |                     ^^^^^ help: use `dyn`: `dyn Write`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bf/interp.rs:16:27
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn new(stdin: &'a mut Read, stdout: &'a mut Write, src: &'a [u8]) -> BFState<'a> {
[INFO] [stdout]    |                           ^^^^ help: use `dyn`: `dyn Read`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bf/interp.rs:16:49
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn new(stdin: &'a mut Read, stdout: &'a mut Write, src: &'a [u8]) -> BFState<'a> {
[INFO] [stdout]    |                                                 ^^^^^ help: use `dyn`: `dyn Write`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/bf/interp.rs:62:17
[INFO] [stdout]    |
[INFO] [stdout] 62 |                 try!(self.stdin.read(&mut buf));
[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/bf/interp.rs:88:17
[INFO] [stdout]    |
[INFO] [stdout] 88 |                 try!(self.run_token(tok));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bf/interp.rs:97:28
[INFO] [stdout]    |
[INFO] [stdout] 97 | pub fn run_buf(stdin: &mut Read, stdout: &mut Write, buf: &[u8]) -> Result<()> {
[INFO] [stdout]    |                            ^^^^ help: use `dyn`: `dyn Read`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bf/interp.rs:97:47
[INFO] [stdout]    |
[INFO] [stdout] 97 | pub fn run_buf(stdin: &mut Read, stdout: &mut Write, buf: &[u8]) -> Result<()> {
[INFO] [stdout]    |                                               ^^^^^ help: use `dyn`: `dyn Write`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/bf/interp.rs:99:11
[INFO] [stdout]    |
[INFO] [stdout] 99 |     while try!(state.run_next()) {
[INFO] [stdout]    |           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/bf/interp.rs:104:29
[INFO] [stdout]     |
[INFO] [stdout] 104 | pub fn run_file(stdin: &mut Read, stdout: &mut Write, path: &Path) -> Result<()> {
[INFO] [stdout]     |                             ^^^^ help: use `dyn`: `dyn Read`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/bf/interp.rs:104:48
[INFO] [stdout]     |
[INFO] [stdout] 104 | pub fn run_file(stdin: &mut Read, stdout: &mut Write, path: &Path) -> Result<()> {
[INFO] [stdout]     |                                                ^^^^^ help: use `dyn`: `dyn Write`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/bf/interp.rs:105:15
[INFO] [stdout]     |
[INFO] [stdout] 105 |     let buf = try!(read_file(path));
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/bf/asm.rs:136:15
[INFO] [stdout]     |
[INFO] [stdout] 136 |     let buf = try!(read_file(path));
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/bf/internals.rs:70:5
[INFO] [stdout]    |
[INFO] [stdout] 70 |     try!(file.read_to_end(&mut buf));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/bf/internals.rs:68:20
[INFO] [stdout]    |
[INFO] [stdout] 68 |     let mut file = try!(File::open(path));
[INFO] [stdout]    |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/bf/interp.rs:7:20
[INFO] [stdout]   |
[INFO] [stdout] 7 |     stdin: &'a mut Read,
[INFO] [stdout]   |                    ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/bf/interp.rs:8:21
[INFO] [stdout]   |
[INFO] [stdout] 8 |     stdout: &'a mut Write,
[INFO] [stdout]   |                     ^^^^^ help: use `dyn`: `dyn Write`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bf/interp.rs:16:27
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn new(stdin: &'a mut Read, stdout: &'a mut Write, src: &'a [u8]) -> BFState<'a> {
[INFO] [stdout]    |                           ^^^^ help: use `dyn`: `dyn Read`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bf/interp.rs:16:49
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn new(stdin: &'a mut Read, stdout: &'a mut Write, src: &'a [u8]) -> BFState<'a> {
[INFO] [stdout]    |                                                 ^^^^^ help: use `dyn`: `dyn Write`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/bf/interp.rs:62:17
[INFO] [stdout]    |
[INFO] [stdout] 62 |                 try!(self.stdin.read(&mut buf));
[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/bf/interp.rs:88:17
[INFO] [stdout]    |
[INFO] [stdout] 88 |                 try!(self.run_token(tok));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bf/interp.rs:97:28
[INFO] [stdout]    |
[INFO] [stdout] 97 | pub fn run_buf(stdin: &mut Read, stdout: &mut Write, buf: &[u8]) -> Result<()> {
[INFO] [stdout]    |                            ^^^^ help: use `dyn`: `dyn Read`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bf/interp.rs:97:47
[INFO] [stdout]    |
[INFO] [stdout] 97 | pub fn run_buf(stdin: &mut Read, stdout: &mut Write, buf: &[u8]) -> Result<()> {
[INFO] [stdout]    |                                               ^^^^^ help: use `dyn`: `dyn Write`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/bf/interp.rs:99:11
[INFO] [stdout]    |
[INFO] [stdout] 99 |     while try!(state.run_next()) {
[INFO] [stdout]    |           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/bf/interp.rs:104:29
[INFO] [stdout]     |
[INFO] [stdout] 104 | pub fn run_file(stdin: &mut Read, stdout: &mut Write, path: &Path) -> Result<()> {
[INFO] [stdout]     |                             ^^^^ help: use `dyn`: `dyn Read`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/bf/interp.rs:104:48
[INFO] [stdout]     |
[INFO] [stdout] 104 | pub fn run_file(stdin: &mut Read, stdout: &mut Write, path: &Path) -> Result<()> {
[INFO] [stdout]     |                                                ^^^^^ help: use `dyn`: `dyn Write`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/bf/interp.rs:105:15
[INFO] [stdout]     |
[INFO] [stdout] 105 |     let buf = try!(read_file(path));
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]    --> src/bf/interp.rs:116:13
[INFO] [stdout]     |
[INFO] [stdout] 116 |         use std::io;
[INFO] [stdout]     |             ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/bf/asm.rs:136:15
[INFO] [stdout]     |
[INFO] [stdout] 136 |     let buf = try!(read_file(path));
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/bf/internals.rs:70:5
[INFO] [stdout]    |
[INFO] [stdout] 70 |     try!(file.read_to_end(&mut buf));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/bf/internals.rs:68:20
[INFO] [stdout]    |
[INFO] [stdout] 68 |     let mut file = try!(File::open(path));
[INFO] [stdout]    |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.29s
[INFO] running `Command { std: "docker" "inspect" "94d0dd831e53761289b43caec64093dafea7c3ede8406f2ba7bb04860c4b016b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94d0dd831e53761289b43caec64093dafea7c3ede8406f2ba7bb04860c4b016b", kill_on_drop: false }`
[INFO] [stdout] 94d0dd831e53761289b43caec64093dafea7c3ede8406f2ba7bb04860c4b016b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fbf344d09068a5bb820cc716fddb598cc261249639c6667cd9a5bdd04f1142b4
[INFO] running `Command { std: "docker" "start" "-a" "fbf344d09068a5bb820cc716fddb598cc261249639c6667cd9a5bdd04f1142b4", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/bf/interp.rs:7:20
[INFO] [stderr]   |
[INFO] [stderr] 7 |     stdin: &'a mut Read,
[INFO] [stderr]   |                    ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/bf/interp.rs:8:21
[INFO] [stderr]   |
[INFO] [stderr] 8 |     stdout: &'a mut Write,
[INFO] [stderr]   |                     ^^^^^ help: use `dyn`: `dyn Write`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bf/interp.rs:16:27
[INFO] [stderr]    |
[INFO] [stderr] 16 |     fn new(stdin: &'a mut Read, stdout: &'a mut Write, src: &'a [u8]) -> BFState<'a> {
[INFO] [stderr]    |                           ^^^^ help: use `dyn`: `dyn Read`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bf/interp.rs:16:49
[INFO] [stderr]    |
[INFO] [stderr] 16 |     fn new(stdin: &'a mut Read, stdout: &'a mut Write, src: &'a [u8]) -> BFState<'a> {
[INFO] [stderr]    |                                                 ^^^^^ help: use `dyn`: `dyn Write`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/bf/interp.rs:62:17
[INFO] [stderr]    |
[INFO] [stderr] 62 |                 try!(self.stdin.read(&mut buf));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/bf/interp.rs:88:17
[INFO] [stderr]    |
[INFO] [stderr] 88 |                 try!(self.run_token(tok));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bf/interp.rs:97:28
[INFO] [stderr]    |
[INFO] [stderr] 97 | pub fn run_buf(stdin: &mut Read, stdout: &mut Write, buf: &[u8]) -> Result<()> {
[INFO] [stderr]    |                            ^^^^ help: use `dyn`: `dyn Read`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bf/interp.rs:97:47
[INFO] [stderr]    |
[INFO] [stderr] 97 | pub fn run_buf(stdin: &mut Read, stdout: &mut Write, buf: &[u8]) -> Result<()> {
[INFO] [stderr]    |                                               ^^^^^ help: use `dyn`: `dyn Write`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/bf/interp.rs:99:11
[INFO] [stderr]    |
[INFO] [stderr] 99 |     while try!(state.run_next()) {
[INFO] [stderr]    |           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/bf/interp.rs:104:29
[INFO] [stderr]     |
[INFO] [stderr] 104 | pub fn run_file(stdin: &mut Read, stdout: &mut Write, path: &Path) -> Result<()> {
[INFO] [stderr]     |                             ^^^^ help: use `dyn`: `dyn Read`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/bf/interp.rs:104:48
[INFO] [stderr]     |
[INFO] [stderr] 104 | pub fn run_file(stdin: &mut Read, stdout: &mut Write, path: &Path) -> Result<()> {
[INFO] [stderr]     |                                                ^^^^^ help: use `dyn`: `dyn Write`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/bf/interp.rs:105:15
[INFO] [stderr]     |
[INFO] [stderr] 105 |     let buf = try!(read_file(path));
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/bf/asm.rs:136:15
[INFO] [stderr]     |
[INFO] [stderr] 136 |     let buf = try!(read_file(path));
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/bf/internals.rs:70:5
[INFO] [stderr]    |
[INFO] [stderr] 70 |     try!(file.read_to_end(&mut buf));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/bf/internals.rs:68:20
[INFO] [stderr]    |
[INFO] [stderr] 68 |     let mut file = try!(File::open(path));
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rsbf` (lib) generated 15 warnings
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]    --> src/bf/interp.rs:116:13
[INFO] [stderr]     |
[INFO] [stderr] 116 |         use std::io;
[INFO] [stderr]     |             ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rsbf` (lib test) generated 16 warnings (15 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rsbf-5f3040d7206b08b6)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test bf::internals::tests::find_nested_bracket ... ok
[INFO] [stdout] test bf::internals::tests::find_unmatched_bracket ... ok
[INFO] [stdout] test bf::interp::tests::cat ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rsbf_asm-5b2c2cee42043d10)
[INFO] [stdout] test bf::interp::tests::hello_world ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.27s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rsbf_interpret-8ea7eb9e8db61a95)
[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] [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 rsbf
[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" "fbf344d09068a5bb820cc716fddb598cc261249639c6667cd9a5bdd04f1142b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbf344d09068a5bb820cc716fddb598cc261249639c6667cd9a5bdd04f1142b4", kill_on_drop: false }`
[INFO] [stdout] fbf344d09068a5bb820cc716fddb598cc261249639c6667cd9a5bdd04f1142b4