[INFO] cloning repository https://github.com/exphp-share/json-pretty [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/exphp-share/json-pretty" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fexphp-share%2Fjson-pretty", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fexphp-share%2Fjson-pretty'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c653d6744a05c5118e3d91de5d374219ef83bca9 [INFO] checking exphp-share/json-pretty against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fexphp-share%2Fjson-pretty" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/exphp-share/json-pretty on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/exphp-share/json-pretty [INFO] finished tweaking git repo https://github.com/exphp-share/json-pretty [INFO] tweaked toml for git repo https://github.com/exphp-share/json-pretty written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/exphp-share/json-pretty 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a2ae5ef67cdd54b0242db031f657eccd1483677ea9a0cf647bae20a69fa2c96a [INFO] running `Command { std: "docker" "start" "-a" "a2ae5ef67cdd54b0242db031f657eccd1483677ea9a0cf647bae20a69fa2c96a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a2ae5ef67cdd54b0242db031f657eccd1483677ea9a0cf647bae20a69fa2c96a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a2ae5ef67cdd54b0242db031f657eccd1483677ea9a0cf647bae20a69fa2c96a", kill_on_drop: false }` [INFO] [stdout] a2ae5ef67cdd54b0242db031f657eccd1483677ea9a0cf647bae20a69fa2c96a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0d31f310a0a1ff0ccd3867c8abec566cdf0a0a5804227191e295427f4ca789f9 [INFO] running `Command { std: "docker" "start" "-a" "0d31f310a0a1ff0ccd3867c8abec566cdf0a0a5804227191e295427f4ca789f9", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.39 [INFO] [stderr] Compiling unicode-ident v1.0.0 [INFO] [stderr] Compiling syn v1.0.96 [INFO] [stderr] Compiling serde v1.0.137 [INFO] [stderr] Compiling serde_json v1.0.81 [INFO] [stderr] Checking ryu v1.0.10 [INFO] [stderr] Checking itoa v1.0.2 [INFO] [stderr] Compiling quote v1.0.18 [INFO] [stderr] Compiling thiserror-impl v1.0.31 [INFO] [stderr] Checking thiserror v1.0.31 [INFO] [stderr] Checking json-pretty v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `in_text` [INFO] [stdout] --> src/main.rs:4:13 [INFO] [stdout] | [INFO] [stdout] 4 | let mut in_text = String::new(); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_in_text` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `in_text` [INFO] [stdout] --> src/main.rs:4:13 [INFO] [stdout] | [INFO] [stdout] 4 | let mut in_text = String::new(); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_in_text` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:4:9 [INFO] [stdout] | [INFO] [stdout] 4 | let mut in_text = String::new(); [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:4:9 [INFO] [stdout] | [INFO] [stdout] 4 | let mut in_text = String::new(); [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `stringify` is never used [INFO] [stdout] --> src/fmt.rs:22:8 [INFO] [stdout] | [INFO] [stdout] 22 | pub fn stringify(value: &T) -> String { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `stringify_with` is never used [INFO] [stdout] --> src/fmt.rs:27:8 [INFO] [stdout] | [INFO] [stdout] 27 | pub fn stringify_with(value: &T, config: Config) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `stringify` is never used [INFO] [stdout] --> src/fmt.rs:22:8 [INFO] [stdout] | [INFO] [stdout] 22 | pub fn stringify(value: &T) -> String { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `stringify_with` is never used [INFO] [stdout] --> src/fmt.rs:27:8 [INFO] [stdout] | [INFO] [stdout] 27 | pub fn stringify_with(value: &T, config: Config) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `max_columns` is never used [INFO] [stdout] --> src/fmt.rs:81:12 [INFO] [stdout] | [INFO] [stdout] 72 | impl Config { [INFO] [stdout] | ----------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 81 | pub fn max_columns(mut self, width: usize) -> Self { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `max_columns` is never used [INFO] [stdout] --> src/fmt.rs:81:12 [INFO] [stdout] | [INFO] [stdout] 72 | impl Config { [INFO] [stdout] | ----------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 81 | pub fn max_columns(mut self, width: usize) -> Self { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Either` is never used [INFO] [stdout] --> src/fmt.rs:349:6 [INFO] [stdout] | [INFO] [stdout] 349 | enum Either { This(A), That(B) } [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `State` is never constructed [INFO] [stdout] --> src/fmt.rs:404:8 [INFO] [stdout] | [INFO] [stdout] 404 | struct State { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Either` is never used [INFO] [stdout] --> src/fmt.rs:349:6 [INFO] [stdout] | [INFO] [stdout] 349 | enum Either { This(A), That(B) } [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/fmt.rs:418:8 [INFO] [stdout] | [INFO] [stdout] 417 | impl State { [INFO] [stdout] | ---------- associated function in this implementation [INFO] [stdout] 418 | fn new() -> Self { State { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `State` is never constructed [INFO] [stdout] --> src/fmt.rs:404:8 [INFO] [stdout] | [INFO] [stdout] 404 | struct State { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `into_inner` is never used [INFO] [stdout] --> src/fmt.rs:147:16 [INFO] [stdout] | [INFO] [stdout] 122 | impl Formatter { [INFO] [stdout] | ------------------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 147 | pub fn into_inner(mut self) -> Result { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `fmt_label` and `fmt_separated` are never used [INFO] [stdout] --> src/fmt.rs:170:16 [INFO] [stdout] | [INFO] [stdout] 161 | impl Formatter { [INFO] [stdout] | ------------------------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 170 | pub fn fmt_label(&mut self, label: T) -> Result { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 232 | pub fn fmt_separated( [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/fmt.rs:418:8 [INFO] [stdout] | [INFO] [stdout] 417 | impl State { [INFO] [stdout] | ---------- associated function in this implementation [INFO] [stdout] 418 | fn new() -> Self { State { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `into_inner` is never used [INFO] [stdout] --> src/fmt.rs:147:16 [INFO] [stdout] | [INFO] [stdout] 122 | impl Formatter { [INFO] [stdout] | ------------------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 147 | pub fn into_inner(mut self) -> Result { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `fmt_label` and `fmt_separated` are never used [INFO] [stdout] --> src/fmt.rs:170:16 [INFO] [stdout] | [INFO] [stdout] 161 | impl Formatter { [INFO] [stdout] | ------------------------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 170 | pub fn fmt_label(&mut self, label: T) -> Result { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 232 | pub fn fmt_separated( [INFO] [stdout] | ^^^^^^^^^^^^^ [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` profile [unoptimized + debuginfo] target(s) in 4.42s [INFO] running `Command { std: "docker" "inspect" "0d31f310a0a1ff0ccd3867c8abec566cdf0a0a5804227191e295427f4ca789f9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0d31f310a0a1ff0ccd3867c8abec566cdf0a0a5804227191e295427f4ca789f9", kill_on_drop: false }` [INFO] [stdout] 0d31f310a0a1ff0ccd3867c8abec566cdf0a0a5804227191e295427f4ca789f9