[INFO] fetching crate scuffle-batching 0.1.6...
[INFO] testing scuffle-batching-0.1.6 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1
[INFO] extracting crate scuffle-batching 0.1.6 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate scuffle-batching 0.1.6
[INFO] finished tweaking crates.io crate scuffle-batching 0.1.6
[INFO] tweaked toml for crates.io crate scuffle-batching 0.1.6 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate scuffle-batching 0.1.6 on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate scuffle-batching 0.1.6 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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ba7454213838e376990b67ccd9aea9c14398210e09c7a2b1c22d83d04b4b1ad6
[INFO] running `Command { std: "docker" "start" "-a" "ba7454213838e376990b67ccd9aea9c14398210e09c7a2b1c22d83d04b4b1ad6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ba7454213838e376990b67ccd9aea9c14398210e09c7a2b1c22d83d04b4b1ad6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba7454213838e376990b67ccd9aea9c14398210e09c7a2b1c22d83d04b4b1ad6", kill_on_drop: false }`
[INFO] [stdout] ba7454213838e376990b67ccd9aea9c14398210e09c7a2b1c22d83d04b4b1ad6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a8ecee5891c2aaae6bb9b227736c9adf4e33d740883c6057c99db2e64713addf
[INFO] running `Command { std: "docker" "start" "-a" "a8ecee5891c2aaae6bb9b227736c9adf4e33d740883c6057c99db2e64713addf", kill_on_drop: false }`
[INFO] [stderr]    Compiling scuffle-workspace-hack v0.1.0
[INFO] [stderr]    Compiling tokio v1.47.1
[INFO] [stderr]    Compiling tokio-util v0.7.15
[INFO] [stderr]    Compiling scuffle-batching v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.08s
[INFO] running `Command { std: "docker" "inspect" "a8ecee5891c2aaae6bb9b227736c9adf4e33d740883c6057c99db2e64713addf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8ecee5891c2aaae6bb9b227736c9adf4e33d740883c6057c99db2e64713addf", kill_on_drop: false }`
[INFO] [stdout] a8ecee5891c2aaae6bb9b227736c9adf4e33d740883c6057c99db2e64713addf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 200a83a7294b828a54eda8230eea03d4f8ae020f04e1841318f78e60b480db97
[INFO] running `Command { std: "docker" "start" "-a" "200a83a7294b828a54eda8230eea03d4f8ae020f04e1841318f78e60b480db97", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_json v1.0.142
[INFO] [stderr]    Compiling half v2.6.0
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling slab v0.4.10
[INFO] [stderr]    Compiling clap_builder v4.5.42
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling criterion-plot v0.6.0
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling clap v4.5.42
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling async-stream-impl v0.3.6
[INFO] [stderr]    Compiling async-stream v0.3.6
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling tokio v1.47.1
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling tokio-util v0.7.15
[INFO] [stderr]    Compiling tokio-stream v0.1.17
[INFO] [stderr]    Compiling scuffle-batching v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling tokio-test v0.4.4
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.7.0
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 24.09s
[INFO] running `Command { std: "docker" "inspect" "200a83a7294b828a54eda8230eea03d4f8ae020f04e1841318f78e60b480db97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "200a83a7294b828a54eda8230eea03d4f8ae020f04e1841318f78e60b480db97", kill_on_drop: false }`
[INFO] [stdout] 200a83a7294b828a54eda8230eea03d4f8ae020f04e1841318f78e60b480db97
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b099363155fcab4df841c1e723dc1e96aa8f953e3ff9749298afc6d1f9a5576a
[INFO] running `Command { std: "docker" "start" "-a" "b099363155fcab4df841c1e723dc1e96aa8f953e3ff9749298afc6d1f9a5576a", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/scuffle_batching-d2b8d1355f09e1e5)
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test batch::tests::concurrency_high ... ok
[INFO] [stdout] test dataloader::tests::concurrency_high ... ok
[INFO] [stdout] test batch::tests::option ... ok
[INFO] [stdout] test batch::tests::result ... ok
[INFO] [stdout] test dataloader::tests::already_batch ... ok
[INFO] [stdout] test batch::tests::batch_size ... ok
[INFO] [stdout] test batch::tests::no_deduplication ... ok
[INFO] [stdout] test dataloader::tests::batch_size ... ok
[INFO] [stdout] test dataloader::tests::deduplication ... ok
[INFO] [stdout] test batch::tests::high_concurrency ... ok
[INFO] [stdout] test batch::tests::delayed_start_single ... ok
[INFO] [stdout] test batch::tests::delayed_start ... ok
[INFO] [stdout] test dataloader::tests::delayed_start_single ... ok
[INFO] [stdout] test batch::tests::delay_low ... ok
[INFO] [stdout] test dataloader::tests::delay_low ... ok
[INFO] [stdout] test dataloader::tests::high_concurrency ... ok
[INFO] [stdout] test dataloader::tests::delayed_start ... ok
[INFO] [stdout] test batch::tests::basic ... ok
[INFO] [stdout] test dataloader::tests::basic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests scuffle_batching
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 28) ... ok
[INFO] [stdout] test src/lib.rs - (line 74) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b099363155fcab4df841c1e723dc1e96aa8f953e3ff9749298afc6d1f9a5576a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b099363155fcab4df841c1e723dc1e96aa8f953e3ff9749298afc6d1f9a5576a", kill_on_drop: false }`
[INFO] [stdout] b099363155fcab4df841c1e723dc1e96aa8f953e3ff9749298afc6d1f9a5576a