[INFO] cloning repository https://github.com/victor-carvalho/jc [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/victor-carvalho/jc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvictor-carvalho%2Fjc", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvictor-carvalho%2Fjc'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c63dd1106d285fc1c78b39faae4bedcfc7d39566 [INFO] testing victor-carvalho/jc against beta-2022-02-22 for beta-1.60-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvictor-carvalho%2Fjc" "/workspace/builds/worker-17/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-17/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/victor-carvalho/jc on toolchain beta-2022-02-22 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/victor-carvalho/jc [INFO] finished tweaking git repo https://github.com/victor-carvalho/jc [INFO] tweaked toml for git repo https://github.com/victor-carvalho/jc written to /workspace/builds/worker-17/source/Cargo.toml [INFO] crate git repo https://github.com/victor-carvalho/jc already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded serde_json v1.0.37 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d57538a936b473b1649f292de3226d89ee5c05470c27e3d5b7ff4ab7212d139c [INFO] running `Command { std: "docker" "start" "-a" "d57538a936b473b1649f292de3226d89ee5c05470c27e3d5b7ff4ab7212d139c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d57538a936b473b1649f292de3226d89ee5c05470c27e3d5b7ff4ab7212d139c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d57538a936b473b1649f292de3226d89ee5c05470c27e3d5b7ff4ab7212d139c", kill_on_drop: false }` [INFO] [stdout] d57538a936b473b1649f292de3226d89ee5c05470c27e3d5b7ff4ab7212d139c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 249a0450e6c76b6c673b0d81481e345090ebd5382ebf22798ae75b151edc54d6 [INFO] running `Command { std: "docker" "start" "-a" "249a0450e6c76b6c673b0d81481e345090ebd5382ebf22798ae75b151edc54d6", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling proc-macro2 v0.4.26 [INFO] [stderr] Compiling cc v1.0.28 [INFO] [stderr] Compiling serde v1.0.85 [INFO] [stderr] Compiling backtrace v0.3.13 [INFO] [stderr] Compiling clap v2.32.0 [INFO] [stderr] Compiling backtrace-sys v0.1.28 [INFO] [stderr] Compiling quote v0.6.11 [INFO] [stderr] Compiling syn v0.15.26 [INFO] [stderr] Compiling synstructure v0.10.1 [INFO] [stderr] Compiling failure_derive v0.1.5 [INFO] [stderr] Compiling serde_json v1.0.37 [INFO] [stderr] Compiling failure v0.1.5 [INFO] [stderr] Compiling jc v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:57:64 [INFO] [stdout] | [INFO] [stdout] 57 | fn print_line(element: &Value, args: &JCArgs, out_stream: &mut Write) -> Result<()> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 57 - fn print_line(element: &Value, args: &JCArgs, out_stream: &mut Write) -> Result<()> { [INFO] [stdout] 57 + fn print_line(element: &Value, args: &JCArgs, out_stream: &mut dyn Write) -> Result<()> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:90:49 [INFO] [stdout] | [INFO] [stdout] 90 | fn print_header(args: &JCArgs, out_stream: &mut Write) -> Result<()> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 90 - fn print_header(args: &JCArgs, out_stream: &mut Write) -> Result<()> { [INFO] [stdout] 90 + fn print_header(args: &JCArgs, out_stream: &mut dyn Write) -> Result<()> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:38:64 [INFO] [stdout] | [INFO] [stdout] 38 | fn input_or<'a>(&self, stdin: &'a io::Stdin) -> Result> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 38 - fn input_or<'a>(&self, stdin: &'a io::Stdin) -> Result> { [INFO] [stdout] 38 + fn input_or<'a>(&self, stdin: &'a io::Stdin) -> Result> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:46:67 [INFO] [stdout] | [INFO] [stdout] 46 | fn output_or<'a>(&self, stdout: &'a io::Stdout) -> Result> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 46 - fn output_or<'a>(&self, stdout: &'a io::Stdout) -> Result> { [INFO] [stdout] 46 + fn output_or<'a>(&self, stdout: &'a io::Stdout) -> Result> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 6.34s [INFO] running `Command { std: "docker" "inspect" "249a0450e6c76b6c673b0d81481e345090ebd5382ebf22798ae75b151edc54d6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "249a0450e6c76b6c673b0d81481e345090ebd5382ebf22798ae75b151edc54d6", kill_on_drop: false }` [INFO] [stdout] 249a0450e6c76b6c673b0d81481e345090ebd5382ebf22798ae75b151edc54d6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5b55526e077d619abb11840d370fa6767bff50722e5cc8a37543044dbc771c90 [INFO] running `Command { std: "docker" "start" "-a" "5b55526e077d619abb11840d370fa6767bff50722e5cc8a37543044dbc771c90", kill_on_drop: false }` [INFO] [stderr] Compiling jc v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:57:64 [INFO] [stdout] | [INFO] [stdout] 57 | fn print_line(element: &Value, args: &JCArgs, out_stream: &mut Write) -> Result<()> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 57 - fn print_line(element: &Value, args: &JCArgs, out_stream: &mut Write) -> Result<()> { [INFO] [stdout] 57 + fn print_line(element: &Value, args: &JCArgs, out_stream: &mut dyn Write) -> Result<()> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:90:49 [INFO] [stdout] | [INFO] [stdout] 90 | fn print_header(args: &JCArgs, out_stream: &mut Write) -> Result<()> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 90 - fn print_header(args: &JCArgs, out_stream: &mut Write) -> Result<()> { [INFO] [stdout] 90 + fn print_header(args: &JCArgs, out_stream: &mut dyn Write) -> Result<()> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:38:64 [INFO] [stdout] | [INFO] [stdout] 38 | fn input_or<'a>(&self, stdin: &'a io::Stdin) -> Result> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 38 - fn input_or<'a>(&self, stdin: &'a io::Stdin) -> Result> { [INFO] [stdout] 38 + fn input_or<'a>(&self, stdin: &'a io::Stdin) -> Result> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:46:67 [INFO] [stdout] | [INFO] [stdout] 46 | fn output_or<'a>(&self, stdout: &'a io::Stdout) -> Result> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 46 - fn output_or<'a>(&self, stdout: &'a io::Stdout) -> Result> { [INFO] [stdout] 46 + fn output_or<'a>(&self, stdout: &'a io::Stdout) -> Result> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.35s [INFO] running `Command { std: "docker" "inspect" "5b55526e077d619abb11840d370fa6767bff50722e5cc8a37543044dbc771c90", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5b55526e077d619abb11840d370fa6767bff50722e5cc8a37543044dbc771c90", kill_on_drop: false }` [INFO] [stdout] 5b55526e077d619abb11840d370fa6767bff50722e5cc8a37543044dbc771c90 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] cbbe7ad29710e63f56ab3551609b3ccd506a98824bb41ff9cf5982d9db49bc5f [INFO] running `Command { std: "docker" "start" "-a" "cbbe7ad29710e63f56ab3551609b3ccd506a98824bb41ff9cf5982d9db49bc5f", kill_on_drop: false }` [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:57:64 [INFO] [stderr] | [INFO] [stderr] 57 | fn print_line(element: &Value, args: &JCArgs, out_stream: &mut Write) -> Result<()> { [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: use `dyn` [INFO] [stderr] | [INFO] [stderr] 57 - fn print_line(element: &Value, args: &JCArgs, out_stream: &mut Write) -> Result<()> { [INFO] [stderr] 57 + fn print_line(element: &Value, args: &JCArgs, out_stream: &mut dyn Write) -> Result<()> { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:90:49 [INFO] [stderr] | [INFO] [stderr] 90 | fn print_header(args: &JCArgs, out_stream: &mut Write) -> Result<()> { [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: use `dyn` [INFO] [stderr] | [INFO] [stderr] 90 - fn print_header(args: &JCArgs, out_stream: &mut Write) -> Result<()> { [INFO] [stderr] 90 + fn print_header(args: &JCArgs, out_stream: &mut dyn Write) -> Result<()> { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:38:64 [INFO] [stderr] | [INFO] [stderr] 38 | fn input_or<'a>(&self, stdin: &'a io::Stdin) -> Result> { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: use `dyn` [INFO] [stderr] | [INFO] [stderr] 38 - fn input_or<'a>(&self, stdin: &'a io::Stdin) -> Result> { [INFO] [stderr] 38 + fn input_or<'a>(&self, stdin: &'a io::Stdin) -> Result> { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:46:67 [INFO] [stderr] | [INFO] [stderr] 46 | fn output_or<'a>(&self, stdout: &'a io::Stdout) -> Result> { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: use `dyn` [INFO] [stderr] | [INFO] [stderr] 46 - fn output_or<'a>(&self, stdout: &'a io::Stdout) -> Result> { [INFO] [stderr] 46 + fn output_or<'a>(&self, stdout: &'a io::Stdout) -> Result> { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: `jc` (bin "jc" test) generated 4 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/jc-50e19c4f2618799f) [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" "cbbe7ad29710e63f56ab3551609b3ccd506a98824bb41ff9cf5982d9db49bc5f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cbbe7ad29710e63f56ab3551609b3ccd506a98824bb41ff9cf5982d9db49bc5f", kill_on_drop: false }` [INFO] [stdout] cbbe7ad29710e63f56ab3551609b3ccd506a98824bb41ff9cf5982d9db49bc5f