[INFO] fetching crate iodyn 0.2.1...
[INFO] testing iodyn-0.2.1 against 1.59.0 for beta-1.60-1
[INFO] extracting crate iodyn 0.2.1 into /workspace/builds/worker-20/source
[INFO] validating manifest of crates.io crate iodyn 0.2.1 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate iodyn 0.2.1
[INFO] finished tweaking crates.io crate iodyn 0.2.1
[INFO] tweaked toml for crates.io crate iodyn 0.2.1 written to /workspace/builds/worker-20/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1341c9e6c775f88e46dc0d90bce55c7d285566e80aed42016a76b45c1521e6f8
[INFO] running `Command { std: "docker" "start" "-a" "1341c9e6c775f88e46dc0d90bce55c7d285566e80aed42016a76b45c1521e6f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1341c9e6c775f88e46dc0d90bce55c7d285566e80aed42016a76b45c1521e6f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1341c9e6c775f88e46dc0d90bce55c7d285566e80aed42016a76b45c1521e6f8", kill_on_drop: false }`
[INFO] [stdout] 1341c9e6c775f88e46dc0d90bce55c7d285566e80aed42016a76b45c1521e6f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f76b9b06090656676872f1dcdec0c1dd5c71184fc7efabc2e03dc97a2ad6c915
[INFO] running `Command { std: "docker" "start" "-a" "f76b9b06090656676872f1dcdec0c1dd5c71184fc7efabc2e03dc97a2ad6c915", kill_on_drop: false }`
[INFO] [stderr]    Compiling adapton v0.3.31
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling iodyn v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/memo.rs:10:15
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn memo_from(&T) -> Self;
[INFO] [stdout]    |                  ^^ help: try naming the parameter or explicitly ignoring it: `_: &T`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.54s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f76b9b06090656676872f1dcdec0c1dd5c71184fc7efabc2e03dc97a2ad6c915", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f76b9b06090656676872f1dcdec0c1dd5c71184fc7efabc2e03dc97a2ad6c915", kill_on_drop: false }`
[INFO] [stdout] f76b9b06090656676872f1dcdec0c1dd5c71184fc7efabc2e03dc97a2ad6c915
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2470011c13271cd964f9e1ce60e5277beeb967ca7d26fac61c5cf2d17494ab39
[INFO] running `Command { std: "docker" "start" "-a" "2470011c13271cd964f9e1ce60e5277beeb967ca7d26fac61c5cf2d17494ab39", kill_on_drop: false }`
[INFO] [stderr]    Compiling iodyn v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/memo.rs:10:15
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn memo_from(&T) -> Self;
[INFO] [stdout]    |                  ^^ help: try naming the parameter or explicitly ignoring it: `_: &T`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/memo.rs:10:15
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn memo_from(&T) -> Self;
[INFO] [stdout]    |                  ^^ help: try naming the parameter or explicitly ignoring it: `_: &T`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.14s
[INFO] running `Command { std: "docker" "inspect" "2470011c13271cd964f9e1ce60e5277beeb967ca7d26fac61c5cf2d17494ab39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2470011c13271cd964f9e1ce60e5277beeb967ca7d26fac61c5cf2d17494ab39", kill_on_drop: false }`
[INFO] [stdout] 2470011c13271cd964f9e1ce60e5277beeb967ca7d26fac61c5cf2d17494ab39
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c84e057ceb99924f905ecef4e9bac3be24e323820c2f105487b14dfde2b2cf50
[INFO] running `Command { std: "docker" "start" "-a" "c84e057ceb99924f905ecef4e9bac3be24e323820c2f105487b14dfde2b2cf50", kill_on_drop: false }`
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stderr]   --> src/memo.rs:10:15
[INFO] [stderr]    |
[INFO] [stderr] 10 |     fn memo_from(&T) -> Self;
[INFO] [stderr]    |                  ^^ help: try naming the parameter or explicitly ignoring it: `_: &T`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stderr]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: `iodyn` (lib) generated 1 warning
[INFO] [stderr] warning: `iodyn` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/iodyn-74814e3d374684ef)
[INFO] [stdout] 
[INFO] [stdout] running 24 tests
[INFO] [stdout] test archive_stack::tests::test_through_archive ... ok
[INFO] [stdout] test archive_stack::tests::test_retrieve ... ok
[INFO] [stdout] test archive_stack::tests::test_peek_archive ... ok
[INFO] [stdout] test archive_stack::tests::test_iter ... ok
[INFO] [stdout] test level_tree::tests::test_fold_up ... ok
[INFO] [stdout] test raz::tests::test_fold_up ... ok
[INFO] [stdout] test level_tree::tests::test_map ... ok
[INFO] [stdout] test raz::tests::test_from_head_stack ... ok
[INFO] [stdout] test raz::tests::test_fold_lr_meta ... ok
[INFO] [stdout] test raz::tests::test_from_tail_stack ... ok
[INFO] [stdout] test raz::tests::test_peek_pop ... ok
[INFO] [stdout] test raz::tests::test_map ... ok
[INFO] [stdout] test raz::tests::test_push_pop ... ok
[INFO] [stdout] test raz::tests::test_tree_focus ... ok
[INFO] [stdout] test stack::tests::test_iter ... ok
[INFO] [stdout] test raz::tests::test_unfocus ... ok
[INFO] [stdout] test stack::tests::test_push_peek ... ok
[INFO] [stdout] test skiplist::skiplist_tiny ... ok
[INFO] [stdout] test tree_cursor::tests::test_iter_r ... ok
[INFO] [stdout] test tree_cursor::tests::test_movement ... ok
[INFO] [stdout] test tree_cursor::tests::test_split_join ... ok
[INFO] [stdout] test raz::tests::test_name_indexes ... ok
[INFO] [stdout] test skiplist::skiplist_vs_hashmap ... ok
[INFO] [stdout] test raz::tests::test_names_many_edits ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 24 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.33s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests iodyn
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/level_tree.rs - level_tree::good_levels (line 207) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.63s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c84e057ceb99924f905ecef4e9bac3be24e323820c2f105487b14dfde2b2cf50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c84e057ceb99924f905ecef4e9bac3be24e323820c2f105487b14dfde2b2cf50", kill_on_drop: false }`
[INFO] [stdout] c84e057ceb99924f905ecef4e9bac3be24e323820c2f105487b14dfde2b2cf50