[INFO] cloning repository https://github.com/Horusiath/peon
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Horusiath/peon" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHorusiath%2Fpeon", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHorusiath%2Fpeon'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7f026167710804c9bd3f68c9d715cb842b9942ba
[INFO] checking Horusiath/peon against try#95813608313bff49cfc1afc393a946a3c085b772 for pr-148946
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHorusiath%2Fpeon" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Horusiath/peon
[INFO] finished tweaking git repo https://github.com/Horusiath/peon
[INFO] tweaked toml for git repo https://github.com/Horusiath/peon written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Horusiath/peon on toolchain 95813608313bff49cfc1afc393a946a3c085b772
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+95813608313bff49cfc1afc393a946a3c085b772" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Horusiath/peon 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" "+95813608313bff49cfc1afc393a946a3c085b772" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded smallvec v2.0.0-alpha.11
[INFO] [stderr]   Downloaded simple-base64 v0.23.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+95813608313bff49cfc1afc393a946a3c085b772" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b6535b63def3850c80f2379d1d8feb3ab15a79bfa33ee10f214d6ec8853abee6
[INFO] running `Command { std: "docker" "start" "-a" "b6535b63def3850c80f2379d1d8feb3ab15a79bfa33ee10f214d6ec8853abee6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b6535b63def3850c80f2379d1d8feb3ab15a79bfa33ee10f214d6ec8853abee6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6535b63def3850c80f2379d1d8feb3ab15a79bfa33ee10f214d6ec8853abee6", kill_on_drop: false }`
[INFO] [stdout] b6535b63def3850c80f2379d1d8feb3ab15a79bfa33ee10f214d6ec8853abee6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+95813608313bff49cfc1afc393a946a3c085b772" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 61b0b2003aa58136f41f56e614bd8754583eebceb073c3da6e2b738788a84cf6
[INFO] running `Command { std: "docker" "start" "-a" "61b0b2003aa58136f41f56e614bd8754583eebceb073c3da6e2b738788a84cf6", kill_on_drop: false }`
[INFO] [stderr]     Checking simple-base64 v0.23.2
[INFO] [stderr]     Checking smallvec v2.0.0-alpha.11
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]     Checking thiserror v2.0.12
[INFO] [stderr]     Checking serde v1.0.219
[INFO] [stderr]     Checking serde_json v1.0.140
[INFO] [stderr]     Checking peon v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::json::TAG_INTEGER`
[INFO] [stdout]  --> src/json/merge.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::json::TAG_INTEGER;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::json::TAG_INTEGER`
[INFO] [stdout]  --> src/json/merge.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::json::TAG_INTEGER;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/json/merge.rs:116:17
[INFO] [stdout]     |
[INFO] [stdout] 116 |                 _ => {
[INFO] [stdout]     |                 ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/json/merge.rs:116:17
[INFO] [stdout]     |
[INFO] [stdout]  83 |                 super::TAG_NULL => {
[INFO] [stdout]     |                 --------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout]  86 |                 super::TAG_STRING => {
[INFO] [stdout]     |                 ----------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout]  92 |                 super::TAG_FLOAT => {
[INFO] [stdout]     |                 ---------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout]  96 |                 super::TAG_BOOL_TRUE => {
[INFO] [stdout]     |                 -------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 116 |                 _ => {
[INFO] [stdout]     |                 ^ ...and 2 other patterns collectively make this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Encode` is never used
[INFO] [stdout]    --> src/path.rs:265:11
[INFO] [stdout]     |
[INFO] [stdout] 265 | pub trait Encode {
[INFO] [stdout]     |           ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/encoding.rs:98:22
[INFO] [stdout]    |
[INFO] [stdout] 98 |     pub fn read_next(&mut self) -> std::io::Result<Option<(Path, &[u8])>> {
[INFO] [stdout]    |                      ^^^^^^^^^                             ^^^^  ^^^^^ the same lifetime is elided here
[INFO] [stdout]    |                      |                                     |
[INFO] [stdout]    |                      the lifetime is elided here           the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 98 |     pub fn read_next(&mut self) -> std::io::Result<Option<(Path<'_>, &[u8])>> {
[INFO] [stdout]    |                                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused comparison that must be used
[INFO] [stdout]   --> src/json/merge.rs:34:21
[INFO] [stdout]    |
[INFO] [stdout] 34 |                     *current == serde_json::Value::String("".into());
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the comparison produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 34 |                     let _ = *current == serde_json::Value::String("".into());
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/json/merge.rs:116:17
[INFO] [stdout]     |
[INFO] [stdout] 116 |                 _ => {
[INFO] [stdout]     |                 ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/json/merge.rs:116:17
[INFO] [stdout]     |
[INFO] [stdout]  83 |                 super::TAG_NULL => {
[INFO] [stdout]     |                 --------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout]  86 |                 super::TAG_STRING => {
[INFO] [stdout]     |                 ----------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout]  92 |                 super::TAG_FLOAT => {
[INFO] [stdout]     |                 ---------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout]  96 |                 super::TAG_BOOL_TRUE => {
[INFO] [stdout]     |                 -------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 116 |                 _ => {
[INFO] [stdout]     |                 ^ ...and 2 other patterns collectively make this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]   --> examples/demo.rs:39:21
[INFO] [stdout]    |
[INFO] [stdout] 39 |     while let Some((path, value)) = decoder.read_next().expect("Failed to read next") {
[INFO] [stdout]    |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> examples/demo.rs:39:27
[INFO] [stdout]    |
[INFO] [stdout] 39 |     while let Some((path, value)) = decoder.read_next().expect("Failed to read next") {
[INFO] [stdout]    |                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/encoding.rs:98:22
[INFO] [stdout]    |
[INFO] [stdout] 98 |     pub fn read_next(&mut self) -> std::io::Result<Option<(Path, &[u8])>> {
[INFO] [stdout]    |                      ^^^^^^^^^                             ^^^^  ^^^^^ the same lifetime is elided here
[INFO] [stdout]    |                      |                                     |
[INFO] [stdout]    |                      the lifetime is elided here           the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 98 |     pub fn read_next(&mut self) -> std::io::Result<Option<(Path<'_>, &[u8])>> {
[INFO] [stdout]    |                                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused comparison that must be used
[INFO] [stdout]   --> src/json/merge.rs:34:21
[INFO] [stdout]    |
[INFO] [stdout] 34 |                     *current == serde_json::Value::String("".into());
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the comparison produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 34 |                     let _ = *current == serde_json::Value::String("".into());
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.49s
[INFO] running `Command { std: "docker" "inspect" "61b0b2003aa58136f41f56e614bd8754583eebceb073c3da6e2b738788a84cf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61b0b2003aa58136f41f56e614bd8754583eebceb073c3da6e2b738788a84cf6", kill_on_drop: false }`
[INFO] [stdout] 61b0b2003aa58136f41f56e614bd8754583eebceb073c3da6e2b738788a84cf6