[INFO] cloning repository https://github.com/panzi/rust-bfc [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/panzi/rust-bfc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpanzi%2Frust-bfc", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpanzi%2Frust-bfc'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4667209ca7afecbd4a79d78bac9261c1ddb8c238 [INFO] checking panzi/rust-bfc against try#b20a093d9fb1ffaa04ae9852cb034864a992bafd for pr-85073 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpanzi%2Frust-bfc" "/workspace/builds/worker-2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/panzi/rust-bfc on toolchain b20a093d9fb1ffaa04ae9852cb034864a992bafd [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/panzi/rust-bfc [INFO] finished tweaking git repo https://github.com/panzi/rust-bfc [INFO] tweaked toml for git repo https://github.com/panzi/rust-bfc written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/panzi/rust-bfc already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded redox_syscall v0.1.54 [INFO] [stderr] Downloaded atty v0.2.11 [INFO] [stderr] Downloaded termion v1.5.2 [INFO] [stderr] Downloaded bitflags v1.0.4 [INFO] [stderr] Downloaded libc v0.2.51 [INFO] [stderr] Downloaded numtoa v0.1.0 [INFO] [stderr] Downloaded clap v2.33.0 [INFO] [stderr] Downloaded vec_map v0.8.1 [INFO] [stderr] Downloaded unicode-width v0.1.5 [INFO] [stderr] Downloaded num-traits v0.2.6 [INFO] [stderr] Downloaded winapi v0.3.7 [INFO] [stderr] Downloaded redox_termios v0.1.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] cbee6496cfbacc2d4518c1e9a349cba0c7909e3df500ee52f0c608aa61d0f88b [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "cbee6496cfbacc2d4518c1e9a349cba0c7909e3df500ee52f0c608aa61d0f88b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cbee6496cfbacc2d4518c1e9a349cba0c7909e3df500ee52f0c608aa61d0f88b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cbee6496cfbacc2d4518c1e9a349cba0c7909e3df500ee52f0c608aa61d0f88b", kill_on_drop: false }` [INFO] [stdout] cbee6496cfbacc2d4518c1e9a349cba0c7909e3df500ee52f0c608aa61d0f88b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] db576626228231b7a2c904dde3406ea4e4d955517e9c02c4d10934719c92773c [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "db576626228231b7a2c904dde3406ea4e4d955517e9c02c4d10934719c92773c", kill_on_drop: false }` [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Compiling num-traits v0.2.6 [INFO] [stderr] Checking bitflags v1.0.4 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking bfc v1.0.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/brainfuck/codegen/generate_asm_str.rs:3:35 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn generate_asm_str(out: &mut Write, name: &str, data: &[u8]) -> std::io::Result<()> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Write` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/brainfuck/codegen/generate_c_write_str.rs:4:39 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn generate_c_write_str(out: &mut Write, data: &[u8], nesting: usize) -> std::io::Result<()> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Write` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/brainfuck/codegen/generate_c_runtime.rs:3:41 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn generate_c_runtime(runtime: &mut Write, cell_type: &str, pagesize: usize) -> std::io::Result<()> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Write` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/brainfuck/codegen/linux_x86_64.rs:387:28 [INFO] [stdout] | [INFO] [stdout] 387 | fn generate_move(asm: &mut Write, off: isize) -> std::io::Result<()> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Write` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/brainfuck/error.rs:17:35 [INFO] [stdout] | [INFO] [stdout] 17 | pub fn print(&self, out: &mut std::io::Write, input: &str) -> std::io::Result<()> { [INFO] [stdout] | ^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/brainfuck/indent.rs:1:25 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn indent(out: &mut std::io::Write, nesting: usize) -> std::io::Result<()> { [INFO] [stdout] | ^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/brainfuck/mod.rs:400:41 [INFO] [stdout] | [INFO] [stdout] 400 | pub fn write_debug(&self, out: &mut Write) -> std::io::Result<()> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Write` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/brainfuck/mod.rs:461:38 [INFO] [stdout] | [INFO] [stdout] 461 | pub fn write_bf(&self, out: &mut Write) -> std::io::Result<()> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Write` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/brainfuck/mod.rs:582:27 [INFO] [stdout] | [INFO] [stdout] 582 | fn print_repeat(out: &mut Write, bytes: &[u8], count: usize) -> std::io::Result<()> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Write` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/brainfuck/codegen/generate_asm_str.rs:3:35 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn generate_asm_str(out: &mut Write, name: &str, data: &[u8]) -> std::io::Result<()> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Write` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/brainfuck/codegen/generate_c_write_str.rs:4:39 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn generate_c_write_str(out: &mut Write, data: &[u8], nesting: usize) -> std::io::Result<()> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Write` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/brainfuck/codegen/generate_c_runtime.rs:3:41 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn generate_c_runtime(runtime: &mut Write, cell_type: &str, pagesize: usize) -> std::io::Result<()> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Write` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/brainfuck/codegen/linux_x86_64.rs:387:28 [INFO] [stdout] | [INFO] [stdout] 387 | fn generate_move(asm: &mut Write, off: isize) -> std::io::Result<()> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Write` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/brainfuck/error.rs:17:35 [INFO] [stdout] | [INFO] [stdout] 17 | pub fn print(&self, out: &mut std::io::Write, input: &str) -> std::io::Result<()> { [INFO] [stdout] | ^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/brainfuck/indent.rs:1:25 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn indent(out: &mut std::io::Write, nesting: usize) -> std::io::Result<()> { [INFO] [stdout] | ^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/brainfuck/mod.rs:400:41 [INFO] [stdout] | [INFO] [stdout] 400 | pub fn write_debug(&self, out: &mut Write) -> std::io::Result<()> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Write` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/brainfuck/mod.rs:461:38 [INFO] [stdout] | [INFO] [stdout] 461 | pub fn write_bf(&self, out: &mut Write) -> std::io::Result<()> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Write` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/brainfuck/mod.rs:582:27 [INFO] [stdout] | [INFO] [stdout] 582 | fn print_repeat(out: &mut Write, bytes: &[u8], count: usize) -> std::io::Result<()> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Write` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/brainfuck/mod.rs:171:9 [INFO] [stdout] | [INFO] [stdout] 171 | std::mem::replace(&mut self.code[ptr], Instruct::LoopStart(end_ptr)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/brainfuck/mod.rs:171:9 [INFO] [stdout] | [INFO] [stdout] 171 | std::mem::replace(&mut self.code[ptr], Instruct::LoopStart(end_ptr)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4.36s [INFO] running `Command { std: "docker" "inspect" "db576626228231b7a2c904dde3406ea4e4d955517e9c02c4d10934719c92773c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "db576626228231b7a2c904dde3406ea4e4d955517e9c02c4d10934719c92773c", kill_on_drop: false }` [INFO] [stdout] db576626228231b7a2c904dde3406ea4e4d955517e9c02c4d10934719c92773c