[INFO] fetching crate serde_fs 0.2.0...
[INFO] testing serde_fs-0.2.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate serde_fs 0.2.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate serde_fs 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 serde_fs 0.2.0
[INFO] finished tweaking crates.io crate serde_fs 0.2.0
[INFO] tweaked toml for crates.io crate serde_fs 0.2.0 written to /workspace/builds/worker-7/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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded case v0.1.0
[INFO] [stderr]   Downloaded derive-error v0.0.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] adb82eca024da56e4f120b9e1173bfc15dcfe136686518559fb1e66e8f6b7b7e
[INFO] running `Command { std: "docker" "start" "-a" "adb82eca024da56e4f120b9e1173bfc15dcfe136686518559fb1e66e8f6b7b7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "adb82eca024da56e4f120b9e1173bfc15dcfe136686518559fb1e66e8f6b7b7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "adb82eca024da56e4f120b9e1173bfc15dcfe136686518559fb1e66e8f6b7b7e", kill_on_drop: false }`
[INFO] [stdout] adb82eca024da56e4f120b9e1173bfc15dcfe136686518559fb1e66e8f6b7b7e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] c2cb9af6b74381b53514ef9575102b43c5ebf70cc4b2fe61329736b60e0c0904
[INFO] running `Command { std: "docker" "start" "-a" "c2cb9af6b74381b53514ef9575102b43c5ebf70cc4b2fe61329736b60e0c0904", 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]    Compiling case v0.1.0
[INFO] [stderr]    Compiling derive-error v0.0.5
[INFO] [stderr]    Compiling serde_fs v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/de.rs:323:14
[INFO] [stdout]     |
[INFO] [stdout] 323 |     dir: Box<Iterator<Item = Result<String, io::Error>>>,
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Result<String, io::Error>>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.79s
[INFO] running `Command { std: "docker" "inspect" "c2cb9af6b74381b53514ef9575102b43c5ebf70cc4b2fe61329736b60e0c0904", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2cb9af6b74381b53514ef9575102b43c5ebf70cc4b2fe61329736b60e0c0904", kill_on_drop: false }`
[INFO] [stdout] c2cb9af6b74381b53514ef9575102b43c5ebf70cc4b2fe61329736b60e0c0904
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 780618cefb9d1822dbe4a5129aecbff45e0897ed49a03ae873e31a1704c2fafe
[INFO] running `Command { std: "docker" "start" "-a" "780618cefb9d1822dbe4a5129aecbff45e0897ed49a03ae873e31a1704c2fafe", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_fs v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/de.rs:323:14
[INFO] [stdout]     |
[INFO] [stdout] 323 |     dir: Box<Iterator<Item = Result<String, io::Error>>>,
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Result<String, io::Error>>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/de.rs:323:14
[INFO] [stdout]     |
[INFO] [stdout] 323 |     dir: Box<Iterator<Item = Result<String, io::Error>>>,
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Result<String, io::Error>>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.84s
[INFO] running `Command { std: "docker" "inspect" "780618cefb9d1822dbe4a5129aecbff45e0897ed49a03ae873e31a1704c2fafe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "780618cefb9d1822dbe4a5129aecbff45e0897ed49a03ae873e31a1704c2fafe", kill_on_drop: false }`
[INFO] [stdout] 780618cefb9d1822dbe4a5129aecbff45e0897ed49a03ae873e31a1704c2fafe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] cc451ab02fe87969a2091d13383e22ec3228688a73a663e21a7e3609ba991e54
[INFO] running `Command { std: "docker" "start" "-a" "cc451ab02fe87969a2091d13383e22ec3228688a73a663e21a7e3609ba991e54", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/de.rs:323:14
[INFO] [stderr]     |
[INFO] [stderr] 323 |     dir: Box<Iterator<Item = Result<String, io::Error>>>,
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Result<String, io::Error>>`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: `serde_fs` (lib) generated 1 warning
[INFO] [stderr] warning: `serde_fs` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/serde_fs-d2650813b08af090)
[INFO] [stdout] 
[INFO] [stdout] running 66 tests
[INFO] [stdout] test de::tests::bytes ... ok
[INFO] [stdout] test de::tests::char_empty ... ok
[INFO] [stdout] test de::tests::char ... ok
[INFO] [stdout] test de::tests::boolean_extra_space ... ok
[INFO] [stdout] test de::tests::boolean ... ok
[INFO] [stdout] test de::tests::newtype_variant ... ok
[INFO] [stdout] test de::tests::map ... ok
[INFO] [stdout] test de::tests::option ... ok
[INFO] [stdout] test de::tests::newtype_struct ... ok
[INFO] [stdout] test de::tests::seq ... ok
[INFO] [stdout] test de::tests::newtype_tuple_variant ... ok
[INFO] [stdout] test de::tests::string ... ok
[INFO] [stdout] test de::tests::struct_variant ... ok
[INFO] [stdout] test de::tests::struct_variant_tag_internal ... ok
[INFO] [stdout] test de::tests::seq_complex_elem ... ok
[INFO] [stdout] test de::tests::structure_extra ... ok
[INFO] [stdout] test de::tests::tuple ... ok
[INFO] [stdout] test de::tests::structure ... ok
[INFO] [stdout] test de::tests::tuple_newtype_variant ... ok
[INFO] [stdout] test de::tests::tuple_struct_size_mismatch ... ok
[INFO] [stdout] test de::tests::struct_variant_tag_content ... ok
[INFO] [stdout] test de::tests::tuple_type_mismatch ... ok
[INFO] [stdout] test de::tests::tuple_struct ... ok
[INFO] [stdout] test de::tests::numbers_extra_space ... ok
[INFO] [stdout] test ser::tests::string ... ok
[INFO] [stdout] test de::tests::tuple_struct_type_mismatch ... ok
[INFO] [stdout] test de::tests::tuple_newtype_variant_tag ... ok
[INFO] [stdout] test de::tests::tuple_variant ... ok
[INFO] [stdout] test de::tests::tuple_size_mismatch ... ok
[INFO] [stdout] test ser::tests::boolean ... ok
[INFO] [stdout] test ser::tests::map_extra ... ok
[INFO] [stdout] test ser::tests::structure ... ok
[INFO] [stdout] test de::tests::numbers ... ok
[INFO] [stdout] test ser::tests::tuple_newtype_variant_keep_aux_files ... ok
[INFO] [stdout] test de::tests::unit_variant ... ok
[INFO] [stdout] test ser::tests::char ... ok
[INFO] [stdout] test ser::tests::tuple_struct ... ok
[INFO] [stdout] test ser::tests::seq ... ok
[INFO] [stdout] test de::tests::unit ... ok
[INFO] [stdout] test ser::tests::tuple_newtype_variant_tag ... ok
[INFO] [stdout] test ser::tests::struct_variant_tag_content ... ok
[INFO] [stdout] test ser::tests::seq_shrink ... ok
[INFO] [stdout] test ser::tests::newtype_struct ... ok
[INFO] [stdout] test ser::tests::bytes ... ok
[INFO] [stdout] test ser::tests::structure_keep_aux_files ... ok
[INFO] [stdout] test ser::tests::option ... ok
[INFO] [stdout] test ser::tests::struct_variant_tag ... ok
[INFO] [stdout] test ser::tests::map ... ok
[INFO] [stdout] test ser::tests::seq_empty ... ok
[INFO] [stdout] test ser::tests::numbers ... ok
[INFO] [stdout] test de::tests::unit_wrong_variant ... ok
[INFO] [stdout] test de::tests::unit_struct ... ok
[INFO] [stdout] test ser::tests::map_invalid_key ... ok
[INFO] [stdout] test ser::tests::newtype_variant ... ok
[INFO] [stdout] test ser::tests::tuple_newtype_variant ... ok
[INFO] [stdout] test ser::tests::tuple ... ok
[INFO] [stdout] test ser::tests::unit ... ok
[INFO] [stdout] test ser::tests::newtype_tuple_variant ... ok
[INFO] [stdout] test de::tests::unit_not_found ... ok
[INFO] [stdout] test ser::tests::map_keep_aux_files ... ok
[INFO] [stdout] test ser::tests::seq_keep_aux_files ... ok
[INFO] [stdout] test ser::tests::struct_variant ... ok
[INFO] [stdout] test ser::tests::unit_variant ... ok
[INFO] [stdout] test ser::tests::unit_struct ... ok
[INFO] [stdout] test ser::tests::tuple_variant ... ok
[INFO] [stdout] test de::tests::struct_variant_tag - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 66 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests serde_fs
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - to_fs (line 22) ... ok
[INFO] [stdout] test src/lib.rs - from_fs (line 56) ... ok
[INFO] [stdout] test src/lib.rs - from_fs_in_place (line 85) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.41s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "cc451ab02fe87969a2091d13383e22ec3228688a73a663e21a7e3609ba991e54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc451ab02fe87969a2091d13383e22ec3228688a73a663e21a7e3609ba991e54", kill_on_drop: false }`
[INFO] [stdout] cc451ab02fe87969a2091d13383e22ec3228688a73a663e21a7e3609ba991e54