[INFO] fetching crate rustkell 0.2.2...
[INFO] testing rustkell-0.2.2 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate rustkell 0.2.2 into /workspace/builds/worker-17/source
[INFO] validating manifest of crates.io crate rustkell 0.2.2 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rustkell 0.2.2
[INFO] finished tweaking crates.io crate rustkell 0.2.2
[INFO] tweaked toml for crates.io crate rustkell 0.2.2 written to /workspace/builds/worker-17/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3c298b5591c1789d65fd9603a289ffdc5ca0c79370debc221ba638a771aed121
[INFO] running `Command { std: "docker" "start" "-a" "3c298b5591c1789d65fd9603a289ffdc5ca0c79370debc221ba638a771aed121", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c298b5591c1789d65fd9603a289ffdc5ca0c79370debc221ba638a771aed121", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c298b5591c1789d65fd9603a289ffdc5ca0c79370debc221ba638a771aed121", kill_on_drop: false }`
[INFO] [stdout] 3c298b5591c1789d65fd9603a289ffdc5ca0c79370debc221ba638a771aed121
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 431713f2aa832a31301c3eb3387901face258565883a7ca37c7bb2a35e38bbf2
[INFO] running `Command { std: "docker" "start" "-a" "431713f2aa832a31301c3eb3387901face258565883a7ca37c7bb2a35e38bbf2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rustkell v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "431713f2aa832a31301c3eb3387901face258565883a7ca37c7bb2a35e38bbf2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "431713f2aa832a31301c3eb3387901face258565883a7ca37c7bb2a35e38bbf2", kill_on_drop: false }`
[INFO] [stdout] 431713f2aa832a31301c3eb3387901face258565883a7ca37c7bb2a35e38bbf2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d502df0688093c536bd6722976419c6a950d9d3a8abb4c0cc2ed9785228412a8
[INFO] running `Command { std: "docker" "start" "-a" "d502df0688093c536bd6722976419c6a950d9d3a8abb4c0cc2ed9785228412a8", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustkell v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.42s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/rustkell-e24e165f2a535acf)
[INFO] running `Command { std: "docker" "inspect" "d502df0688093c536bd6722976419c6a950d9d3a8abb4c0cc2ed9785228412a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d502df0688093c536bd6722976419c6a950d9d3a8abb4c0cc2ed9785228412a8", kill_on_drop: false }`
[INFO] [stdout] d502df0688093c536bd6722976419c6a950d9d3a8abb4c0cc2ed9785228412a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3860e4db98492b37ee6f47396040362d101a59237a8012a4b0e9ac299a9a7c98
[INFO] running `Command { std: "docker" "start" "-a" "3860e4db98492b37ee6f47396040362d101a59237a8012a4b0e9ac299a9a7c98", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 6 tests
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rustkell-e24e165f2a535acf)
[INFO] [stdout] test datalist::iter_test_tails ... ok
[INFO] [stderr]    Doc-tests rustkell
[INFO] [stdout] test datalist::iter_test_tails_empty ... ok
[INFO] [stdout] test datalist::slice_test_tails ... ok
[INFO] [stdout] test datalist::slice_test_tails_empty ... ok
[INFO] [stdout] test datalist::vector_test_tails ... ok
[INFO] [stdout] test datalist::vector_test_tails_empty ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/datalist/mod.rs - datalist::DataList::tails (line 21) ... ok
[INFO] [stdout] test src/datalist/tails.rs - datalist::tails::Tails (line 14) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.34s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3860e4db98492b37ee6f47396040362d101a59237a8012a4b0e9ac299a9a7c98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3860e4db98492b37ee6f47396040362d101a59237a8012a4b0e9ac299a9a7c98", kill_on_drop: false }`
[INFO] [stdout] 3860e4db98492b37ee6f47396040362d101a59237a8012a4b0e9ac299a9a7c98