[INFO] fetching crate kempt 0.2.4...
[INFO] testing kempt-0.2.4 against 1.90.0 for beta-1.91-3
[INFO] extracting crate kempt 0.2.4 into /workspace/builds/worker-1-tc1/source
[INFO] removed /workspace/builds/worker-1-tc1/source/.cargo/config
[INFO] started tweaking crates.io crate kempt 0.2.4
[INFO] finished tweaking crates.io crate kempt 0.2.4
[INFO] tweaked toml for crates.io crate kempt 0.2.4 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate kempt 0.2.4 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 8 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 152047790e1607265d9f7038283d271370fd9007fa1c5baf603983b28a5ea9fa
[INFO] running `Command { std: "docker" "start" "-a" "152047790e1607265d9f7038283d271370fd9007fa1c5baf603983b28a5ea9fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "152047790e1607265d9f7038283d271370fd9007fa1c5baf603983b28a5ea9fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "152047790e1607265d9f7038283d271370fd9007fa1c5baf603983b28a5ea9fa", kill_on_drop: false }`
[INFO] [stdout] 152047790e1607265d9f7038283d271370fd9007fa1c5baf603983b28a5ea9fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 35a8f0c8dc109a6556195209259af52a07c502410034dfd3a1d7bd3f52d6536e
[INFO] running `Command { std: "docker" "start" "-a" "35a8f0c8dc109a6556195209259af52a07c502410034dfd3a1d7bd3f52d6536e", kill_on_drop: false }`
[INFO] [stderr]    Compiling kempt v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "35a8f0c8dc109a6556195209259af52a07c502410034dfd3a1d7bd3f52d6536e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35a8f0c8dc109a6556195209259af52a07c502410034dfd3a1d7bd3f52d6536e", kill_on_drop: false }`
[INFO] [stdout] 35a8f0c8dc109a6556195209259af52a07c502410034dfd3a1d7bd3f52d6536e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 07ed5e83a2e15a175cf63f809cd182b616c6fa41197779daf2a216fead704baf
[INFO] running `Command { std: "docker" "start" "-a" "07ed5e83a2e15a175cf63f809cd182b616c6fa41197779daf2a216fead704baf", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling serde_test v1.0.177
[INFO] [stderr]    Compiling kempt v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 4.04s
[INFO] running `Command { std: "docker" "inspect" "07ed5e83a2e15a175cf63f809cd182b616c6fa41197779daf2a216fead704baf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07ed5e83a2e15a175cf63f809cd182b616c6fa41197779daf2a216fead704baf", kill_on_drop: false }`
[INFO] [stdout] 07ed5e83a2e15a175cf63f809cd182b616c6fa41197779daf2a216fead704baf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8d973c134b07fe4662593f326c26b77db50660f72baefdedbe9cbd471b04e8ad
[INFO] running `Command { std: "docker" "start" "-a" "8d973c134b07fe4662593f326c26b77db50660f72baefdedbe9cbd471b04e8ad", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/kempt-ff2bd016c861085c)
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test map::scan_limit_tests ... ok
[INFO] [stdout] test set::basics ... ok
[INFO] [stdout] test set::difference ... ok
[INFO] [stdout] test set::iteration ... ok
[INFO] [stdout] test set::lookup ... ok
[INFO] [stdout] test tests::basics ... ok
[INFO] [stdout] test tests::binary_search_extremes ... ok
[INFO] [stdout] test set::union ... ok
[INFO] [stdout] test set::intersection ... ok
[INFO] [stdout] test tests::capacity ... ok
[INFO] [stdout] test tests::clear_and_shrink ... ok
[INFO] [stdout] test tests::entry ... ok
[INFO] [stdout] test tests::entry_to_owned_on_insert ... ok
[INFO] [stdout] test tests::field ... ok
[INFO] [stdout] test tests::merge ... ok
[INFO] [stdout] test tests::unioned_map_both_ref ... ok
[INFO] [stdout] test tests::union ... ok
[INFO] [stdout] test tests::insert_with ... ok
[INFO] [stdout] test tests::vacant_entry_key ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests kempt
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/map.rs - map::Map<Key,Value>::merged_with (line 380) ... ok
[INFO] [stdout] test src/lib.rs - (line 19) ... ok
[INFO] [stdout] test src/set.rs - set::Set (line 15) ... ok
[INFO] [stdout] test src/map.rs - map::Map<Key,Value>::merge_with (line 418) ... ok
[INFO] [stdout] test src/map.rs - map::Unioned<'a,K,V>::map_both (line 1598) ... ok
[INFO] [stdout] test src/set.rs - set::Set (line 27) ... ok
[INFO] [stdout] test src/lib.rs - (line 75) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.84s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8d973c134b07fe4662593f326c26b77db50660f72baefdedbe9cbd471b04e8ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d973c134b07fe4662593f326c26b77db50660f72baefdedbe9cbd471b04e8ad", kill_on_drop: false }`
[INFO] [stdout] 8d973c134b07fe4662593f326c26b77db50660f72baefdedbe9cbd471b04e8ad