[INFO] fetching crate pink-json 0.4.0... [INFO] checking pink-json-0.4.0 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170 [INFO] extracting crate pink-json 0.4.0 into /workspace/builds/worker-1-tc2/source [INFO] removed /workspace/builds/worker-1-tc2/source/rust-toolchain [INFO] started tweaking crates.io crate pink-json 0.4.0 [INFO] finished tweaking crates.io crate pink-json 0.4.0 [INFO] tweaked toml for crates.io crate pink-json 0.4.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate pink-json 0.4.0 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 7 packages to latest compatible versions [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f31e0e1c68432debf7ff09ec4e86c4d8b4fe2fe25eeed11e7a81598c7d595bf8 [INFO] running `Command { std: "docker" "start" "-a" "f31e0e1c68432debf7ff09ec4e86c4d8b4fe2fe25eeed11e7a81598c7d595bf8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f31e0e1c68432debf7ff09ec4e86c4d8b4fe2fe25eeed11e7a81598c7d595bf8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f31e0e1c68432debf7ff09ec4e86c4d8b4fe2fe25eeed11e7a81598c7d595bf8", kill_on_drop: false }` [INFO] [stdout] f31e0e1c68432debf7ff09ec4e86c4d8b4fe2fe25eeed11e7a81598c7d595bf8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ee51d554f41275876c27d3e0f8b7ba2f43bfee46246e11022b5e26e77d7918cc [INFO] running `Command { std: "docker" "start" "-a" "ee51d554f41275876c27d3e0f8b7ba2f43bfee46246e11022b5e26e77d7918cc", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.95 [INFO] [stderr] Compiling serde v1.0.219 [INFO] [stderr] Checking ryu v1.0.20 [INFO] [stderr] Compiling quote v1.0.40 [INFO] [stderr] Compiling syn v2.0.104 [INFO] [stderr] Checking pink-json v0.4.0 (/opt/rustwide/workdir) [INFO] [stderr] Compiling serde_derive v1.0.219 [INFO] [stdout] error: methods `position`, `peek_position`, `byte_offset`, `ignore_str`, and `set_failed` are never used [INFO] [stdout] --> src/de/read.rs:32:8 [INFO] [stdout] | [INFO] [stdout] 14 | pub trait Read<'de>: private::Sealed { [INFO] [stdout] | ---- methods in this trait [INFO] [stdout] ... [INFO] [stdout] 32 | fn position(&self) -> Position; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 42 | fn peek_position(&self) -> Position; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 47 | fn byte_offset(&self) -> usize; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 70 | fn ignore_str(&mut self) -> Result<()>; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 80 | fn set_failed(&mut self, failed: &mut bool); [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:59:9 [INFO] [stdout] | [INFO] [stdout] 59 | #![deny(warnings)] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] = note: `#[deny(dead_code)]` implied by `#[deny(warnings)]` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: struct `Position` is never constructed [INFO] [stdout] --> src/de/read.rs:83:12 [INFO] [stdout] | [INFO] [stdout] 83 | pub struct Position { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: method `position_of_index` is never used [INFO] [stdout] --> src/de/read.rs:133:8 [INFO] [stdout] | [INFO] [stdout] 127 | impl<'a> SliceRead<'a> { [INFO] [stdout] | ---------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 133 | fn position_of_index(&self, i: usize) -> Position { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: function `ignore_escape` is never used [INFO] [stdout] --> src/de/read.rs:536:4 [INFO] [stdout] | [INFO] [stdout] 536 | fn ignore_escape<'de, R>(read: &mut R) -> Result<()> [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/de/mod.rs:104:20 [INFO] [stdout] | [INFO] [stdout] 104 | fn new(slice: &'a [u8]) -> Deserializer<'_> { [INFO] [stdout] | ^^ -- the lifetime gets resolved as `'a` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[deny(mismatched_lifetime_syntaxes)]` implied by `#[deny(warnings)]` [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 104 - fn new(slice: &'a [u8]) -> Deserializer<'_> { [INFO] [stdout] 104 + fn new(slice: &'a [u8]) -> Deserializer<'a> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `pink-json` (lib) due to 5 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "ee51d554f41275876c27d3e0f8b7ba2f43bfee46246e11022b5e26e77d7918cc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ee51d554f41275876c27d3e0f8b7ba2f43bfee46246e11022b5e26e77d7918cc", kill_on_drop: false }` [INFO] [stdout] ee51d554f41275876c27d3e0f8b7ba2f43bfee46246e11022b5e26e77d7918cc