[INFO] fetching crate flatty-base 0.1.0-rc.4...
[INFO] testing flatty-base-0.1.0-rc.4 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate flatty-base 0.1.0-rc.4 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate flatty-base 0.1.0-rc.4
[INFO] finished tweaking crates.io crate flatty-base 0.1.0-rc.4
[INFO] tweaked toml for crates.io crate flatty-base 0.1.0-rc.4 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate flatty-base 0.1.0-rc.4 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 3 packages to latest compatible versions
[INFO] [stderr]       Adding stavec v0.3.0 (available: v0.4.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 746db10e6036fbb0bef40d090159401ea5d5cb440d4c405ed2716e0a04e5cb7a
[INFO] running `Command { std: "docker" "start" "-a" "746db10e6036fbb0bef40d090159401ea5d5cb440d4c405ed2716e0a04e5cb7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "746db10e6036fbb0bef40d090159401ea5d5cb440d4c405ed2716e0a04e5cb7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "746db10e6036fbb0bef40d090159401ea5d5cb440d4c405ed2716e0a04e5cb7a", kill_on_drop: false }`
[INFO] [stdout] 746db10e6036fbb0bef40d090159401ea5d5cb440d4c405ed2716e0a04e5cb7a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 620da027794dcc714ce9310d5428fa744c37db92aa6bf08443fe03249f91198e
[INFO] running `Command { std: "docker" "start" "-a" "620da027794dcc714ce9310d5428fa744c37db92aa6bf08443fe03249f91198e", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling stavec v0.3.0
[INFO] [stderr]    Compiling flatty-base v0.1.0-rc.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.30s
[INFO] running `Command { std: "docker" "inspect" "620da027794dcc714ce9310d5428fa744c37db92aa6bf08443fe03249f91198e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "620da027794dcc714ce9310d5428fa744c37db92aa6bf08443fe03249f91198e", kill_on_drop: false }`
[INFO] [stdout] 620da027794dcc714ce9310d5428fa744c37db92aa6bf08443fe03249f91198e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bac487dbf243d6c8cc808eef76900dc7a0b877e1908ec39ac9f250a2404a22ae
[INFO] running `Command { std: "docker" "start" "-a" "bac487dbf243d6c8cc808eef76900dc7a0b877e1908ec39ac9f250a2404a22ae", kill_on_drop: false }`
[INFO] [stderr]    Compiling flatty-base v0.1.0-rc.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `type_list`
[INFO] [stdout]    --> src/utils/iter.rs:348:17
[INFO] [stdout]     |
[INFO] [stdout] 348 |     use super::{type_list, PosIter};
[INFO] [stdout]     |                 ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "bac487dbf243d6c8cc808eef76900dc7a0b877e1908ec39ac9f250a2404a22ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bac487dbf243d6c8cc808eef76900dc7a0b877e1908ec39ac9f250a2404a22ae", kill_on_drop: false }`
[INFO] [stdout] bac487dbf243d6c8cc808eef76900dc7a0b877e1908ec39ac9f250a2404a22ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 544df405e91333335245de27b17a2e9fec26a4e109309712421f4ea3a78d35e4
[INFO] running `Command { std: "docker" "start" "-a" "544df405e91333335245de27b17a2e9fec26a4e109309712421f4ea3a78d35e4", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `type_list`
[INFO] [stderr]    --> src/utils/iter.rs:348:17
[INFO] [stderr]     |
[INFO] [stderr] 348 |     use super::{type_list, PosIter};
[INFO] [stderr]     |                 ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `flatty-base` (lib test) generated 1 warning (run `cargo fix --lib -p flatty-base --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/flatty_base-80da6a721158ef3c)
[INFO] [stdout] running 8 tests
[INFO] [stdout] test utils::iter::tests::pos ... ok
[INFO] [stdout] test vec::tests::data_offset ... ok
[INFO] [stdout] test vec::tests::size ... ok
[INFO] [stdout] test vec::tests::eq ... ok
[INFO] [stdout] test wrap::tests::wrapped_vec ... ok
[INFO] [stdout] test vec::tests::len_cap ... ok
[INFO] [stdout] test vec::tests::extend_from_slice ... ok
[INFO] [stderr]    Doc-tests flatty_base
[INFO] [stdout] test vec::tests::align ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[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" "544df405e91333335245de27b17a2e9fec26a4e109309712421f4ea3a78d35e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "544df405e91333335245de27b17a2e9fec26a4e109309712421f4ea3a78d35e4", kill_on_drop: false }`
[INFO] [stdout] 544df405e91333335245de27b17a2e9fec26a4e109309712421f4ea3a78d35e4