[INFO] fetching crate natural_slice 0.1.2...
[INFO] testing natural_slice-0.1.2 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate natural_slice 0.1.2 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate natural_slice 0.1.2
[INFO] finished tweaking crates.io crate natural_slice 0.1.2
[INFO] tweaked toml for crates.io crate natural_slice 0.1.2 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate natural_slice 0.1.2 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 20 packages to latest compatible versions
[INFO] [stderr]       Adding factorial v0.2.1 (available: v0.4.0)
[INFO] [stderr]       Adding rand v0.7.3 (available: v0.9.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5cedf42f12f4ea3323257890a72afef6459bb7dd364d46dc41261e1fd0c14ae4
[INFO] running `Command { std: "docker" "start" "-a" "5cedf42f12f4ea3323257890a72afef6459bb7dd364d46dc41261e1fd0c14ae4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5cedf42f12f4ea3323257890a72afef6459bb7dd364d46dc41261e1fd0c14ae4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cedf42f12f4ea3323257890a72afef6459bb7dd364d46dc41261e1fd0c14ae4", kill_on_drop: false }`
[INFO] [stdout] 5cedf42f12f4ea3323257890a72afef6459bb7dd364d46dc41261e1fd0c14ae4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4ffc7c210b6ad5914f069c04558b7e17e85427aeb6cca48708b5f3b33dce81a5
[INFO] running `Command { std: "docker" "start" "-a" "4ffc7c210b6ad5914f069c04558b7e17e85427aeb6cca48708b5f3b33dce81a5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling radix_fmt v1.0.0
[INFO] [stderr]    Compiling factorial v0.2.1
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling natural_slice v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.62s
[INFO] running `Command { std: "docker" "inspect" "4ffc7c210b6ad5914f069c04558b7e17e85427aeb6cca48708b5f3b33dce81a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ffc7c210b6ad5914f069c04558b7e17e85427aeb6cca48708b5f3b33dce81a5", kill_on_drop: false }`
[INFO] [stdout] 4ffc7c210b6ad5914f069c04558b7e17e85427aeb6cca48708b5f3b33dce81a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec913e59553a30881ae6dc5004107457b084a597a8f6651f3dcaad1ddecb5dbf
[INFO] running `Command { std: "docker" "start" "-a" "ec913e59553a30881ae6dc5004107457b084a597a8f6651f3dcaad1ddecb5dbf", kill_on_drop: false }`
[INFO] [stderr]    Compiling natural_slice v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "ec913e59553a30881ae6dc5004107457b084a597a8f6651f3dcaad1ddecb5dbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec913e59553a30881ae6dc5004107457b084a597a8f6651f3dcaad1ddecb5dbf", kill_on_drop: false }`
[INFO] [stdout] ec913e59553a30881ae6dc5004107457b084a597a8f6651f3dcaad1ddecb5dbf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2b0ec7f2fca0901c5ae13d66ef2628cfec01d4430ac6416af8ae40056e91309a
[INFO] running `Command { std: "docker" "start" "-a" "2b0ec7f2fca0901c5ae13d66ef2628cfec01d4430ac6416af8ae40056e91309a", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/natural_slice-3f59565c0bef131c)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test permutation::tests::test_decode_permutation ... ok
[INFO] [stdout] test permutation::tests::test_encode_permutation ... ok
[INFO] [stdout] test permutation::tests::test_encode_permutation_fails_with_too_small_type ... ok
[INFO] [stdout] test position::tests::test_encode_position ... ok
[INFO] [stdout] test property::tests::test_decode_property ... ok
[INFO] [stdout] test property::tests::test_encode_property_fails_with_too_small_type ... ok
[INFO] [stdout] test property::tests::test_encode_property ... ok
[INFO] [stdout] test position::tests::test_encode_position_fails_with_too_small_type ... ok
[INFO] [stdout] test position::tests::test_decode_position ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests natural_slice
[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" "2b0ec7f2fca0901c5ae13d66ef2628cfec01d4430ac6416af8ae40056e91309a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b0ec7f2fca0901c5ae13d66ef2628cfec01d4430ac6416af8ae40056e91309a", kill_on_drop: false }`
[INFO] [stdout] 2b0ec7f2fca0901c5ae13d66ef2628cfec01d4430ac6416af8ae40056e91309a