[INFO] fetching crate rusty_chain 0.1.18...
[INFO] checking rusty_chain-0.1.18 against try#149edce6c6ee840adb602803b96d083101ef3592 for pr-133502-16
[INFO] extracting crate rusty_chain 0.1.18 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate rusty_chain 0.1.18
[INFO] finished tweaking crates.io crate rusty_chain 0.1.18
[INFO] tweaked toml for crates.io crate rusty_chain 0.1.18 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rusty_chain 0.1.18 on toolchain 149edce6c6ee840adb602803b96d083101ef3592
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+149edce6c6ee840adb602803b96d083101ef3592" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rusty_chain 0.1.18 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" "+149edce6c6ee840adb602803b96d083101ef3592" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+149edce6c6ee840adb602803b96d083101ef3592" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3ecc13b341ff5d5b0785f223821950c89f7cd18fad6ebad461dec453701198b5
[INFO] running `Command { std: "docker" "start" "-a" "3ecc13b341ff5d5b0785f223821950c89f7cd18fad6ebad461dec453701198b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ecc13b341ff5d5b0785f223821950c89f7cd18fad6ebad461dec453701198b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ecc13b341ff5d5b0785f223821950c89f7cd18fad6ebad461dec453701198b5", kill_on_drop: false }`
[INFO] [stdout] 3ecc13b341ff5d5b0785f223821950c89f7cd18fad6ebad461dec453701198b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+149edce6c6ee840adb602803b96d083101ef3592" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 84a83607834312c6db319bd6e1d8b0a16665c5538f6232d47d16decf0d8e5070
[INFO] running `Command { std: "docker" "start" "-a" "84a83607834312c6db319bd6e1d8b0a16665c5538f6232d47d16decf0d8e5070", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling proc-macro2 v1.0.63
[INFO] [stderr]    Compiling quote v1.0.29
[INFO] [stderr]    Compiling unicode-ident v1.0.10
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]     Checking pin-project-lite v0.2.10
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling paste v1.0.13
[INFO] [stderr]    Compiling rustix v0.37.23
[INFO] [stderr]    Compiling async-trait v0.1.71
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking bytes v1.4.0
[INFO] [stderr]     Checking linux-raw-sys v0.3.8
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]     Checking iana-time-zone v0.1.57
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking fastrand v1.9.0
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling tokio v1.29.1
[INFO] [stderr]    Compiling tempfile v3.6.0
[INFO] [stderr]     Checking hashbrown v0.14.0
[INFO] [stderr]    Compiling syn v2.0.23
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking socket2 v0.4.9
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking dashmap v5.5.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking chrono v0.4.26
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]     Checking futures-executor v0.3.28
[INFO] [stderr]     Checking futures v0.3.28
[INFO] [stderr]     Checking rusty_chain v0.1.18 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `parent_id`, `name`, and `children_image_bytes` are never read
[INFO] [stdout]   --> examples/mapper.rs:54:13
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub struct ParentModel {
[INFO] [stdout]    |                ----------- fields in this struct
[INFO] [stdout] 54 |         pub parent_id: i32,
[INFO] [stdout]    |             ^^^^^^^^^
[INFO] [stdout] 55 |         pub name: String,
[INFO] [stdout]    |             ^^^^
[INFO] [stdout] 56 |         pub children_image_bytes: Vec<Vec<u8>>
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ParentModel` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rusty_chain` (lib test)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/149edce6c6ee840adb602803b96d083101ef3592/bin/rustc --crate-name rusty_chain --edition=2021 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --test --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=8eeec8f905cebd20 -C extra-filename=-f15254cb473bb8cc --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern async_trait=/opt/rustwide/target/debug/deps/libasync_trait-9fe37f51efdd1866.so --extern chrono=/opt/rustwide/target/debug/deps/libchrono-af9a8b3d9c0400fc.rmeta --extern dashmap=/opt/rustwide/target/debug/deps/libdashmap-9bf9dbfcd9642cbe.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-3ca51eb67fe1a06d.rmeta --extern nom=/opt/rustwide/target/debug/deps/libnom-6cd6719f154be9e0.rmeta --extern paste=/opt/rustwide/target/debug/deps/libpaste-10bb4870bf99abbe.so --extern rand=/opt/rustwide/target/debug/deps/librand-5bc641eb60a4c05b.rmeta --extern tempfile=/opt/rustwide/target/debug/deps/libtempfile-85ed4da65edc80b2.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-754716514d70370a.rmeta --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "84a83607834312c6db319bd6e1d8b0a16665c5538f6232d47d16decf0d8e5070", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84a83607834312c6db319bd6e1d8b0a16665c5538f6232d47d16decf0d8e5070", kill_on_drop: false }`
[INFO] [stdout] 84a83607834312c6db319bd6e1d8b0a16665c5538f6232d47d16decf0d8e5070