[INFO] fetching crate rusty_chain 0.1.18...
[INFO] testing rusty_chain-0.1.18 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate rusty_chain 0.1.18 into /workspace/builds/worker-4-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-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rusty_chain 0.1.18 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "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" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5dc94b26ede1787f8a13707ebb4743b97fab83b2fa045d1f13ef69d2baf1a552
[INFO] running `Command { std: "docker" "start" "-a" "5dc94b26ede1787f8a13707ebb4743b97fab83b2fa045d1f13ef69d2baf1a552", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5dc94b26ede1787f8a13707ebb4743b97fab83b2fa045d1f13ef69d2baf1a552", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5dc94b26ede1787f8a13707ebb4743b97fab83b2fa045d1f13ef69d2baf1a552", kill_on_drop: false }`
[INFO] [stdout] 5dc94b26ede1787f8a13707ebb4743b97fab83b2fa045d1f13ef69d2baf1a552
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 513f899660bfb5d188b4d3ec925a2a6704229879a8d27c2edc68488120f3d323
[INFO] running `Command { std: "docker" "start" "-a" "513f899660bfb5d188b4d3ec925a2a6704229879a8d27c2edc68488120f3d323", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling proc-macro2 v1.0.63
[INFO] [stderr]    Compiling unicode-ident v1.0.10
[INFO] [stderr]    Compiling quote v1.0.29
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]    Compiling pin-project-lite v0.2.10
[INFO] [stderr]    Compiling futures-sink v0.3.28
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling futures-io v0.3.28
[INFO] [stderr]    Compiling tokio v1.29.1
[INFO] [stderr]    Compiling paste v1.0.13
[INFO] [stderr]    Compiling async-trait v0.1.71
[INFO] [stderr]    Compiling getrandom v0.2.10
[INFO] [stderr]    Compiling signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling mio v0.8.8
[INFO] [stderr]    Compiling socket2 v0.4.9
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling syn v2.0.23
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling futures-executor v0.3.28
[INFO] [stderr]    Compiling futures v0.3.28
[INFO] [stderr]    Compiling rusty_chain v0.1.18 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.54s
[INFO] running `Command { std: "docker" "inspect" "513f899660bfb5d188b4d3ec925a2a6704229879a8d27c2edc68488120f3d323", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "513f899660bfb5d188b4d3ec925a2a6704229879a8d27c2edc68488120f3d323", kill_on_drop: false }`
[INFO] [stdout] 513f899660bfb5d188b4d3ec925a2a6704229879a8d27c2edc68488120f3d323
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e002f3de5ca8d2d52cbbbc6190335d338fae4d4f9192ae102f8ca7df14981e59
[INFO] running `Command { std: "docker" "start" "-a" "e002f3de5ca8d2d52cbbbc6190335d338fae4d4f9192ae102f8ca7df14981e59", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling rustix v0.37.23
[INFO] [stderr]    Compiling tempfile v3.6.0
[INFO] [stderr]    Compiling hashbrown v0.14.0
[INFO] [stderr]    Compiling iana-time-zone v0.1.57
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling getrandom v0.2.10
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling socket2 v0.4.9
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling mio v0.8.8
[INFO] [stderr]    Compiling signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling time v0.1.45
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling dashmap v5.5.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling chrono v0.4.26
[INFO] [stderr]    Compiling tokio v1.29.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling 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]     Finished `test` profile [unoptimized + debuginfo] target(s) in 53.24s
[INFO] running `Command { std: "docker" "inspect" "e002f3de5ca8d2d52cbbbc6190335d338fae4d4f9192ae102f8ca7df14981e59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e002f3de5ca8d2d52cbbbc6190335d338fae4d4f9192ae102f8ca7df14981e59", kill_on_drop: false }`
[INFO] [stdout] e002f3de5ca8d2d52cbbbc6190335d338fae4d4f9192ae102f8ca7df14981e59
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f13a8937847d62ec3d7e4df7747641186affe3ae9589bd1ae22f070cf6a50a0c
[INFO] running `Command { std: "docker" "start" "-a" "f13a8937847d62ec3d7e4df7747641186affe3ae9589bd1ae22f070cf6a50a0c", kill_on_drop: false }`
[INFO] [stderr] warning: fields `parent_id`, `name`, and `children_image_bytes` are never read
[INFO] [stderr]   --> examples/mapper.rs:54:13
[INFO] [stderr]    |
[INFO] [stderr] 53 |     pub struct ParentModel {
[INFO] [stderr]    |                ----------- fields in this struct
[INFO] [stderr] 54 |         pub parent_id: i32,
[INFO] [stderr]    |             ^^^^^^^^^
[INFO] [stderr] 55 |         pub name: String,
[INFO] [stderr]    |             ^^^^
[INFO] [stderr] 56 |         pub children_image_bytes: Vec<Vec<u8>>
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `ParentModel` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rusty_chain` (example "mapper") generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rusty_chain-ddc012dcf07a0f59)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test test::test::chain_enum_to_enum ... ok
[INFO] [stdout] test test::test::chainlink_contains_chainlink ... ok
[INFO] [stdout] test test::test::chain_to_chain_to_chain_link ... ok
[INFO] [stdout] test test::test::chain_link_enum_to_string ... ok
[INFO] [stdout] test test::test::split_to_two_chain_links_round_robin_finds_flushed_chainlink ... ok
[INFO] [stdout] test test::test::chain_link_using_initializer ... ok
[INFO] [stdout] test test::test::chain_to_chain ... ok
[INFO] [stdout] test test::test::chain_enum_to_string_to_enum ... ok
[INFO] [stdout] test test::test::split_to_two_chain_links ... ok
[INFO] [stdout] test test::test::new_chain ... ok
[INFO] [stderr]    Doc-tests rusty_chain
[INFO] [stdout] test test::test::duplicate_locking ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.27s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f13a8937847d62ec3d7e4df7747641186affe3ae9589bd1ae22f070cf6a50a0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f13a8937847d62ec3d7e4df7747641186affe3ae9589bd1ae22f070cf6a50a0c", kill_on_drop: false }`
[INFO] [stdout] f13a8937847d62ec3d7e4df7747641186affe3ae9589bd1ae22f070cf6a50a0c