[INFO] fetching crate hetseq 0.2.0...
[INFO] testing hetseq-0.2.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate hetseq 0.2.0 into /workspace/builds/worker-22/source
[INFO] validating manifest of crates.io crate hetseq 0.2.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hetseq 0.2.0
[INFO] finished tweaking crates.io crate hetseq 0.2.0
[INFO] tweaked toml for crates.io crate hetseq 0.2.0 written to /workspace/builds/worker-22/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded shred v0.5.2
[INFO] [stderr]   Downloaded shred-derive v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 400a6bdddd40d6b35d24e47d5d21fc8215b512fb640a0dab07c2f9a657ecd8dd
[INFO] running `Command { std: "docker" "start" "-a" "400a6bdddd40d6b35d24e47d5d21fc8215b512fb640a0dab07c2f9a657ecd8dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "400a6bdddd40d6b35d24e47d5d21fc8215b512fb640a0dab07c2f9a657ecd8dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "400a6bdddd40d6b35d24e47d5d21fc8215b512fb640a0dab07c2f9a657ecd8dd", kill_on_drop: false }`
[INFO] [stdout] 400a6bdddd40d6b35d24e47d5d21fc8215b512fb640a0dab07c2f9a657ecd8dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e10bce1ccad81d2e26cf5e500e87debf2dc3c3e08beefcad072f8ddfb8c401f0
[INFO] running `Command { std: "docker" "start" "-a" "e10bce1ccad81d2e26cf5e500e87debf2dc3c3e08beefcad072f8ddfb8c401f0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling hetseq v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/functor.rs:31:19
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn fmap(self, F) -> Self::Output;
[INFO] [stdout]    |                   ^ help: try naming the parameter or explicitly ignoring it: `_: F`
[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: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/list.rs:49:30
[INFO] [stdout]    |
[INFO] [stdout] 49 |     fn into_queue_impl(self, L) -> Self::Queue;
[INFO] [stdout]    |                              ^ help: try naming the parameter or explicitly ignoring it: `_: L`
[INFO] [stdout]    |
[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: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/queue.rs:39:29
[INFO] [stdout]    |
[INFO] [stdout] 39 |     fn into_list_impl(self, L) -> Self::List;
[INFO] [stdout]    |                             ^ help: try naming the parameter or explicitly ignoring it: `_: L`
[INFO] [stdout]    |
[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: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]  --> src/zip.rs:9:18
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn zip(self, S) -> Self::Zipped;
[INFO] [stdout]   |                  ^ help: try naming the parameter or explicitly ignoring it: `_: S`
[INFO] [stdout]   |
[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: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.37s
[INFO] running `Command { std: "docker" "inspect" "e10bce1ccad81d2e26cf5e500e87debf2dc3c3e08beefcad072f8ddfb8c401f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e10bce1ccad81d2e26cf5e500e87debf2dc3c3e08beefcad072f8ddfb8c401f0", kill_on_drop: false }`
[INFO] [stdout] e10bce1ccad81d2e26cf5e500e87debf2dc3c3e08beefcad072f8ddfb8c401f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 360b6150ffe14d4bcf04baee50ba46c3ffe5fd4df5a4bf84981d8f9f21967d27
[INFO] running `Command { std: "docker" "start" "-a" "360b6150ffe14d4bcf04baee50ba46c3ffe5fd4df5a4bf84981d8f9f21967d27", kill_on_drop: false }`
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/functor.rs:31:19
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn fmap(self, F) -> Self::Output;
[INFO] [stdout]    |                   ^ help: try naming the parameter or explicitly ignoring it: `_: F`
[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: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/list.rs:49:30
[INFO] [stdout]    |
[INFO] [stdout] 49 |     fn into_queue_impl(self, L) -> Self::Queue;
[INFO] [stdout]    |                              ^ help: try naming the parameter or explicitly ignoring it: `_: L`
[INFO] [stdout]    |
[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: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/queue.rs:39:29
[INFO] [stdout]    |
[INFO] [stdout] 39 |     fn into_list_impl(self, L) -> Self::List;
[INFO] [stdout]    |                             ^ help: try naming the parameter or explicitly ignoring it: `_: L`
[INFO] [stdout]    |
[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: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]  --> src/zip.rs:9:18
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn zip(self, S) -> Self::Zipped;
[INFO] [stdout]   |                  ^ help: try naming the parameter or explicitly ignoring it: `_: S`
[INFO] [stdout]   |
[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: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling hetseq v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/functor.rs:31:19
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn fmap(self, F) -> Self::Output;
[INFO] [stdout]    |                   ^ help: try naming the parameter or explicitly ignoring it: `_: F`
[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: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/list.rs:49:30
[INFO] [stdout]    |
[INFO] [stdout] 49 |     fn into_queue_impl(self, L) -> Self::Queue;
[INFO] [stdout]    |                              ^ help: try naming the parameter or explicitly ignoring it: `_: L`
[INFO] [stdout]    |
[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: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/queue.rs:39:29
[INFO] [stdout]    |
[INFO] [stdout] 39 |     fn into_list_impl(self, L) -> Self::List;
[INFO] [stdout]    |                             ^ help: try naming the parameter or explicitly ignoring it: `_: L`
[INFO] [stdout]    |
[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: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]  --> src/zip.rs:9:18
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn zip(self, S) -> Self::Zipped;
[INFO] [stdout]   |                  ^ help: try naming the parameter or explicitly ignoring it: `_: S`
[INFO] [stdout]   |
[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: unnecessary trailing semicolon
[INFO] [stdout]   --> src/lib.rs:69:22
[INFO] [stdout]    |
[INFO] [stdout] 69 |                 $($s);*
[INFO] [stdout]    |                      ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.24s
[INFO] running `Command { std: "docker" "inspect" "360b6150ffe14d4bcf04baee50ba46c3ffe5fd4df5a4bf84981d8f9f21967d27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "360b6150ffe14d4bcf04baee50ba46c3ffe5fd4df5a4bf84981d8f9f21967d27", kill_on_drop: false }`
[INFO] [stdout] 360b6150ffe14d4bcf04baee50ba46c3ffe5fd4df5a4bf84981d8f9f21967d27
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 28935eca97d393d7d30bef689d66f2f701cbfea6b6b825ef807307996d442e2d
[INFO] running `Command { std: "docker" "start" "-a" "28935eca97d393d7d30bef689d66f2f701cbfea6b6b825ef807307996d442e2d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stderr]   --> src/functor.rs:31:19
[INFO] [stderr]    |
[INFO] [stderr] 31 |     fn fmap(self, F) -> Self::Output;
[INFO] [stderr]    |                   ^ help: try naming the parameter or explicitly ignoring it: `_: F`
[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: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stderr]   --> src/list.rs:49:30
[INFO] [stderr]    |
[INFO] [stderr] 49 |     fn into_queue_impl(self, L) -> Self::Queue;
[INFO] [stderr]    |                              ^ help: try naming the parameter or explicitly ignoring it: `_: L`
[INFO] [stderr]    |
[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: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stderr]   --> src/queue.rs:39:29
[INFO] [stderr]    |
[INFO] [stderr] 39 |     fn into_list_impl(self, L) -> Self::List;
[INFO] [stderr]    |                             ^ help: try naming the parameter or explicitly ignoring it: `_: L`
[INFO] [stderr]    |
[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: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stderr]  --> src/zip.rs:9:18
[INFO] [stderr]   |
[INFO] [stderr] 9 |     fn zip(self, S) -> Self::Zipped;
[INFO] [stderr]   |                  ^ help: try naming the parameter or explicitly ignoring it: `_: S`
[INFO] [stderr]   |
[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: `hetseq` (lib) generated 4 warnings
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/lib.rs:69:22
[INFO] [stderr]    |
[INFO] [stderr] 69 |                 $($s);*
[INFO] [stderr]    |                      ^ help: remove this semicolon
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `hetseq` (lib test) generated 5 warnings (4 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/hetseq-c2983acaa5c73c30)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::test_macro ... ok
[INFO] [stdout] test tests::test_map_fold ... ok
[INFO] [stderr]    Doc-tests hetseq
[INFO] [stdout] test tests::text_contextual ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/functor.rs - functor::Functor (line 9) ... ok
[INFO] [stdout] test src/fold.rs - fold::Foldable (line 9) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.05s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "28935eca97d393d7d30bef689d66f2f701cbfea6b6b825ef807307996d442e2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28935eca97d393d7d30bef689d66f2f701cbfea6b6b825ef807307996d442e2d", kill_on_drop: false }`
[INFO] [stdout] 28935eca97d393d7d30bef689d66f2f701cbfea6b6b825ef807307996d442e2d