[INFO] fetching crate jsode 0.2.0...
[INFO] checking jsode-0.2.0 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate jsode 0.2.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate jsode 0.2.0
[INFO] finished tweaking crates.io crate jsode 0.2.0
[INFO] tweaked toml for crates.io crate jsode 0.2.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate jsode 0.2.0 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate jsode 0.2.0 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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded jsode_macro v0.1.0
[INFO] [stderr]   Downloaded syn v2.0.57
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 45bfcccce3318fd9112ca78cbf0e1e70e59cf2e0b2ed7a0110cac79f39e97c7b
[INFO] running `Command { std: "docker" "start" "-a" "45bfcccce3318fd9112ca78cbf0e1e70e59cf2e0b2ed7a0110cac79f39e97c7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "45bfcccce3318fd9112ca78cbf0e1e70e59cf2e0b2ed7a0110cac79f39e97c7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45bfcccce3318fd9112ca78cbf0e1e70e59cf2e0b2ed7a0110cac79f39e97c7b", kill_on_drop: false }`
[INFO] [stdout] 45bfcccce3318fd9112ca78cbf0e1e70e59cf2e0b2ed7a0110cac79f39e97c7b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 26bccb03c423f105c3d9fd54bc9208990e268ff55e3f9c30dfb552ec7d991024
[INFO] running `Command { std: "docker" "start" "-a" "26bccb03c423f105c3d9fd54bc9208990e268ff55e3f9c30dfb552ec7d991024", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.57
[INFO] [stderr]    Compiling jsode_macro v0.1.0
[INFO] [stderr]     Checking jsode v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/core.rs:418:26
[INFO] [stdout]     |
[INFO] [stdout] 418 |     pub fn to_slice<'a>(&'a self, parser: &'a JsonParser<'a>) -> Result<&str> {
[INFO] [stdout]     |                          ^^                ^^            ^^             ---- the lifetime gets resolved as `'a`
[INFO] [stdout]     |                          |                 |             |
[INFO] [stdout]     |                          |                 |             these lifetimes flow to the output
[INFO] [stdout]     |                          |                 these lifetimes flow to the output
[INFO] [stdout]     |                          these lifetimes flow to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 418 |     pub fn to_slice<'a>(&'a self, parser: &'a JsonParser<'a>) -> Result<&'a str> {
[INFO] [stdout]     |                                                                          ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/core.rs:423:32
[INFO] [stdout]     |
[INFO] [stdout] 423 |     pub const fn to_bytes<'a>(&'a self, parser: &'a JsonParser<'a>) -> &[u8] {
[INFO] [stdout]     |                                ^^                ^^            ^^      ----- the lifetime gets resolved as `'a`
[INFO] [stdout]     |                                |                 |             |
[INFO] [stdout]     |                                |                 |             these lifetimes flow to the output
[INFO] [stdout]     |                                |                 these lifetimes flow to the output
[INFO] [stdout]     |                                these lifetimes flow to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 423 |     pub const fn to_bytes<'a>(&'a self, parser: &'a JsonParser<'a>) -> &'a [u8] {
[INFO] [stdout]     |                                                                         ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/core.rs:418:26
[INFO] [stdout]     |
[INFO] [stdout] 418 |     pub fn to_slice<'a>(&'a self, parser: &'a JsonParser<'a>) -> Result<&str> {
[INFO] [stdout]     |                          ^^                ^^            ^^             ---- the lifetime gets resolved as `'a`
[INFO] [stdout]     |                          |                 |             |
[INFO] [stdout]     |                          |                 |             these lifetimes flow to the output
[INFO] [stdout]     |                          |                 these lifetimes flow to the output
[INFO] [stdout]     |                          these lifetimes flow to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 418 |     pub fn to_slice<'a>(&'a self, parser: &'a JsonParser<'a>) -> Result<&'a str> {
[INFO] [stdout]     |                                                                          ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/core.rs:423:32
[INFO] [stdout]     |
[INFO] [stdout] 423 |     pub const fn to_bytes<'a>(&'a self, parser: &'a JsonParser<'a>) -> &[u8] {
[INFO] [stdout]     |                                ^^                ^^            ^^      ----- the lifetime gets resolved as `'a`
[INFO] [stdout]     |                                |                 |             |
[INFO] [stdout]     |                                |                 |             these lifetimes flow to the output
[INFO] [stdout]     |                                |                 these lifetimes flow to the output
[INFO] [stdout]     |                                these lifetimes flow to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 423 |     pub const fn to_bytes<'a>(&'a self, parser: &'a JsonParser<'a>) -> &'a [u8] {
[INFO] [stdout]     |                                                                         ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `last_name`, `gender`, and `age` are never read
[INFO] [stdout]   --> tests/json_test.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |     struct Sample2 {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 36 |         last_name: String,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 37 |         gender: String,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 38 |         age: u8,
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.73s
[INFO] running `Command { std: "docker" "inspect" "26bccb03c423f105c3d9fd54bc9208990e268ff55e3f9c30dfb552ec7d991024", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26bccb03c423f105c3d9fd54bc9208990e268ff55e3f9c30dfb552ec7d991024", kill_on_drop: false }`
[INFO] [stdout] 26bccb03c423f105c3d9fd54bc9208990e268ff55e3f9c30dfb552ec7d991024