[INFO] fetching crate rpkl 0.5.2...
[INFO] checking rpkl-0.5.2 against master#8f08b3a32478b8d0507732800ecb548a76e0fd0c for pr-144157
[INFO] extracting crate rpkl 0.5.2 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate rpkl 0.5.2
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate rpkl 0.5.2
[INFO] tweaked toml for crates.io crate rpkl 0.5.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rpkl 0.5.2 on toolchain 8f08b3a32478b8d0507732800ecb548a76e0fd0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8f08b3a32478b8d0507732800ecb548a76e0fd0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rpkl 0.5.2 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" "+8f08b3a32478b8d0507732800ecb548a76e0fd0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+8f08b3a32478b8d0507732800ecb548a76e0fd0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 363ad551046afd6456c59d66e45a5b8a16911e1009b4b762635489e6666ae05e
[INFO] running `Command { std: "docker" "start" "-a" "363ad551046afd6456c59d66e45a5b8a16911e1009b4b762635489e6666ae05e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "363ad551046afd6456c59d66e45a5b8a16911e1009b4b762635489e6666ae05e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "363ad551046afd6456c59d66e45a5b8a16911e1009b4b762635489e6666ae05e", kill_on_drop: false }`
[INFO] [stdout] 363ad551046afd6456c59d66e45a5b8a16911e1009b4b762635489e6666ae05e
[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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+8f08b3a32478b8d0507732800ecb548a76e0fd0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d6dd0f4d0d3167e2cf3d5f46fd6098342e96b3c9ed94b119ac4ba4b9a8f31308
[INFO] running `Command { std: "docker" "start" "-a" "d6dd0f4d0d3167e2cf3d5f46fd6098342e96b3c9ed94b119ac4ba4b9a8f31308", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking regex-syntax v0.8.5
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]     Checking ryu v1.0.20
[INFO] [stderr]     Checking itoa v1.0.15
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]     Checking rmp v0.8.14
[INFO] [stderr]     Checking rmpv v1.3.0
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]     Checking rmp-serde v1.3.0
[INFO] [stderr]     Checking rpkl v0.5.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `DurationDeserializer` is never constructed
[INFO] [stdout]  --> src/pkl/de/duration.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct DurationDeserializer<'a> {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TupleDeserializer` is never constructed
[INFO] [stdout]  --> src/pkl/de/pair.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct TupleDeserializer<'a> {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RangeDeserializer` is never constructed
[INFO] [stdout]  --> src/pkl/de/range.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct RangeDeserializer<'a> {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/pkl/deserializer.rs:266:30
[INFO] [stdout]     |
[INFO] [stdout] 266 |     pub fn into_deserializer(&self) -> PklValueDeserializer {
[INFO] [stdout]     |                              ^^^^^     -------------------- the same lifetime is hidden here
[INFO] [stdout]     |                              |
[INFO] [stdout]     |                              the lifetime is elided 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] 266 |     pub fn into_deserializer(&self) -> PklValueDeserializer<'_> {
[INFO] [stdout]     |                                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DurationDeserializer` is never constructed
[INFO] [stdout]  --> src/pkl/de/duration.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct DurationDeserializer<'a> {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TupleDeserializer` is never constructed
[INFO] [stdout]  --> src/pkl/de/pair.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct TupleDeserializer<'a> {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RangeDeserializer` is never constructed
[INFO] [stdout]  --> src/pkl/de/range.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct RangeDeserializer<'a> {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/pkl/deserializer.rs:266:30
[INFO] [stdout]     |
[INFO] [stdout] 266 |     pub fn into_deserializer(&self) -> PklValueDeserializer {
[INFO] [stdout]     |                              ^^^^^     -------------------- the same lifetime is hidden here
[INFO] [stdout]     |                              |
[INFO] [stdout]     |                              the lifetime is elided 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] 266 |     pub fn into_deserializer(&self) -> PklValueDeserializer<'_> {
[INFO] [stdout]     |                                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.59s
[INFO] running `Command { std: "docker" "inspect" "d6dd0f4d0d3167e2cf3d5f46fd6098342e96b3c9ed94b119ac4ba4b9a8f31308", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6dd0f4d0d3167e2cf3d5f46fd6098342e96b3c9ed94b119ac4ba4b9a8f31308", kill_on_drop: false }`
[INFO] [stdout] d6dd0f4d0d3167e2cf3d5f46fd6098342e96b3c9ed94b119ac4ba4b9a8f31308