[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] checking victor-carvalho/jc against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvictor-carvalho%2Fjc" "/workspace/builds/worker-14/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/victor-carvalho/jc on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "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-14/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 068fbfac7911d3b0491e636fcdbf72226621490564c4f4b4c6680e682ba1860c [INFO] running `Command { std: "docker" "start" "-a" "068fbfac7911d3b0491e636fcdbf72226621490564c4f4b4c6680e682ba1860c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "068fbfac7911d3b0491e636fcdbf72226621490564c4f4b4c6680e682ba1860c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "068fbfac7911d3b0491e636fcdbf72226621490564c4f4b4c6680e682ba1860c", kill_on_drop: false }` [INFO] [stdout] 068fbfac7911d3b0491e636fcdbf72226621490564c4f4b4c6680e682ba1860c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 78e0649b0a868a04ed88eebbd6a41b93baac49bf34a5a22ce51d547e3aeb084a [INFO] running `Command { std: "docker" "start" "-a" "78e0649b0a868a04ed88eebbd6a41b93baac49bf34a5a22ce51d547e3aeb084a", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v0.4.26 [INFO] [stderr] Compiling cc v1.0.28 [INFO] [stderr] Compiling autocfg v0.1.2 [INFO] [stderr] Compiling ryu v0.2.7 [INFO] [stderr] Compiling serde v1.0.85 [INFO] [stderr] Checking rustc-demangle v0.1.13 [INFO] [stderr] Checking cfg-if v0.1.6 [INFO] [stderr] Checking itoa v0.4.3 [INFO] [stderr] Checking clap v2.32.0 [INFO] [stderr] Compiling backtrace v0.3.13 [INFO] [stderr] Compiling quote v0.6.11 [INFO] [stderr] Compiling backtrace-sys v0.1.28 [INFO] [stderr] Compiling syn v0.15.26 [INFO] [stderr] Checking serde_json v1.0.37 [INFO] [stderr] Compiling synstructure v0.10.1 [INFO] [stderr] Compiling failure_derive v0.1.5 [INFO] [stderr] Checking failure v0.1.5 [INFO] [stderr] Checking jc v0.1.0 (/opt/rustwide/workdir) [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] | ^^^^^^^^^^^^ help: use `dyn`: `dyn BufRead + 'a` [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 issue #80165 [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] | ^^^^^^^^^^^^ help: use `dyn`: `dyn BufRead + 'a` [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 issue #80165 [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] | ^^^^^^^^^^ help: use `dyn`: `dyn Write + 'a` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [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] | ^^^^^ help: use `dyn`: `dyn Write` [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 issue #80165 [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] | ^^^^^ help: use `dyn`: `dyn Write` [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 issue #80165 [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] | ^^^^^^^^^^ help: use `dyn`: `dyn Write + 'a` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [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] | ^^^^^ help: use `dyn`: `dyn Write` [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 issue #80165 [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] | ^^^^^ help: use `dyn`: `dyn Write` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 17.62s [INFO] running `Command { std: "docker" "inspect" "78e0649b0a868a04ed88eebbd6a41b93baac49bf34a5a22ce51d547e3aeb084a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "78e0649b0a868a04ed88eebbd6a41b93baac49bf34a5a22ce51d547e3aeb084a", kill_on_drop: false }` [INFO] [stdout] 78e0649b0a868a04ed88eebbd6a41b93baac49bf34a5a22ce51d547e3aeb084a