[INFO] fetching crate rustkell 0.2.2...
[INFO] testing rustkell-0.2.2 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate rustkell 0.2.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate rustkell 0.2.2 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ad7d2d424e8126a6cdb2bbd13afa9c46c990e8c328d032ba09308e2dc40c7c34
[INFO] running `Command { std: "docker" "start" "-a" "ad7d2d424e8126a6cdb2bbd13afa9c46c990e8c328d032ba09308e2dc40c7c34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad7d2d424e8126a6cdb2bbd13afa9c46c990e8c328d032ba09308e2dc40c7c34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad7d2d424e8126a6cdb2bbd13afa9c46c990e8c328d032ba09308e2dc40c7c34", kill_on_drop: false }`
[INFO] [stdout] ad7d2d424e8126a6cdb2bbd13afa9c46c990e8c328d032ba09308e2dc40c7c34
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7af9885425481ac5a55b1864194addb967f8970ff9046bb6dd2a553fb6b8c3da
[INFO] running `Command { std: "docker" "start" "-a" "7af9885425481ac5a55b1864194addb967f8970ff9046bb6dd2a553fb6b8c3da", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustkell v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "7af9885425481ac5a55b1864194addb967f8970ff9046bb6dd2a553fb6b8c3da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7af9885425481ac5a55b1864194addb967f8970ff9046bb6dd2a553fb6b8c3da", kill_on_drop: false }`
[INFO] [stdout] 7af9885425481ac5a55b1864194addb967f8970ff9046bb6dd2a553fb6b8c3da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 59ebfd72955e24dd2e04367b9415ec17110acfae227415ac0067ef43cf0f04fa
[INFO] running `Command { std: "docker" "start" "-a" "59ebfd72955e24dd2e04367b9415ec17110acfae227415ac0067ef43cf0f04fa", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustkell v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "59ebfd72955e24dd2e04367b9415ec17110acfae227415ac0067ef43cf0f04fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59ebfd72955e24dd2e04367b9415ec17110acfae227415ac0067ef43cf0f04fa", kill_on_drop: false }`
[INFO] [stdout] 59ebfd72955e24dd2e04367b9415ec17110acfae227415ac0067ef43cf0f04fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8d75512301877f27ca26e0c9018386f7ec2433f12bea73950675db82c8ec1a16
[INFO] running `Command { std: "docker" "start" "-a" "8d75512301877f27ca26e0c9018386f7ec2433f12bea73950675db82c8ec1a16", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.69s
[INFO] [stdout] running 6 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rustkell-6a6596e8ee824330)
[INFO] [stdout] test datalist::iter_test_tails_empty ... ok
[INFO] [stdout] test datalist::vector_test_tails_empty ... ok
[INFO] [stdout] test datalist::iter_test_tails ... ok
[INFO] [stdout] test datalist::slice_test_tails_empty ... ok
[INFO] [stdout] test datalist::vector_test_tails ... ok
[INFO] [stdout] test datalist::slice_test_tails ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rustkell
[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 0.42s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8d75512301877f27ca26e0c9018386f7ec2433f12bea73950675db82c8ec1a16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d75512301877f27ca26e0c9018386f7ec2433f12bea73950675db82c8ec1a16", kill_on_drop: false }`
[INFO] [stdout] 8d75512301877f27ca26e0c9018386f7ec2433f12bea73950675db82c8ec1a16