[INFO] crate serde_fs 0.2.0 is already in cache
[INFO] testing serde_fs-0.2.0 against beta-2020-07-24 for beta-1.46-1
[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 beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", 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" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 977acb7c90c04f3412981fe189fcdf3f846e677bc0313db96ea82a07e2c49ed6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "977acb7c90c04f3412981fe189fcdf3f846e677bc0313db96ea82a07e2c49ed6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "977acb7c90c04f3412981fe189fcdf3f846e677bc0313db96ea82a07e2c49ed6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "977acb7c90c04f3412981fe189fcdf3f846e677bc0313db96ea82a07e2c49ed6", kill_on_drop: false }`
[INFO] [stdout] 977acb7c90c04f3412981fe189fcdf3f846e677bc0313db96ea82a07e2c49ed6
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5061c1c503aa82b0f4714c9ec60d82ef32d90d2e3f699421f340ee22606aa34a
[INFO] running `Command { std: "docker" "start" "-a" "5061c1c503aa82b0f4714c9ec60d82ef32d90d2e3f699421f340ee22606aa34a", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling case v0.1.0
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling derive-error v0.0.4
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.00s
[INFO] running `Command { std: "docker" "inspect" "5061c1c503aa82b0f4714c9ec60d82ef32d90d2e3f699421f340ee22606aa34a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5061c1c503aa82b0f4714c9ec60d82ef32d90d2e3f699421f340ee22606aa34a", kill_on_drop: false }`
[INFO] [stdout] 5061c1c503aa82b0f4714c9ec60d82ef32d90d2e3f699421f340ee22606aa34a
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec62d90d2dcdf2e2dff2f9d05c4bfd8d34b6821b114f8820739b1444a24b37cb
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ec62d90d2dcdf2e2dff2f9d05c4bfd8d34b6821b114f8820739b1444a24b37cb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling assert_matches v1.3.0
[INFO] [stderr]    Compiling serde_bytes v0.10.5
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling tempdir v0.3.7
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 9.60s
[INFO] running `Command { std: "docker" "inspect" "ec62d90d2dcdf2e2dff2f9d05c4bfd8d34b6821b114f8820739b1444a24b37cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec62d90d2dcdf2e2dff2f9d05c4bfd8d34b6821b114f8820739b1444a24b37cb", kill_on_drop: false }`
[INFO] [stdout] ec62d90d2dcdf2e2dff2f9d05c4bfd8d34b6821b114f8820739b1444a24b37cb
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 120c67f6dfee129e753353e9e44052891206ad91e7ec197b566b0e21b2365c2a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "120c67f6dfee129e753353e9e44052891206ad91e7ec197b566b0e21b2365c2a", 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] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[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] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/serde_fs-c8097925e9cb9db9
[INFO] [stdout] 
[INFO] [stdout] running 66 tests
[INFO] [stdout] test de::tests::char_empty ... ok
[INFO] [stdout] test de::tests::char ... ok
[INFO] [stdout] test de::tests::bytes ... ok
[INFO] [stdout] test de::tests::option ... ok
[INFO] [stdout] test de::tests::seq ... ok
[INFO] [stdout] test de::tests::numbers ... ok
[INFO] [stdout] test de::tests::map ... ok
[INFO] [stdout] test de::tests::newtype_struct ... ok
[INFO] [stdout] test de::tests::string ... ok
[INFO] [stdout] test de::tests::boolean_extra_space ... ok
[INFO] [stdout] test de::tests::newtype_variant ... ok
[INFO] [stdout] test de::tests::seq_complex_elem ... ok
[INFO] [stdout] test de::tests::struct_variant_tag_internal ... ok
[INFO] [stdout] test de::tests::structure ... ok
[INFO] [stdout] test de::tests::structure_extra ... ok
[INFO] [stdout] test de::tests::struct_variant_tag_content ... ok
[INFO] [stdout] test de::tests::tuple ... ok
[INFO] [stdout] test de::tests::tuple_newtype_variant ... ok
[INFO] [stdout] test de::tests::newtype_tuple_variant ... ok
[INFO] [stdout] test de::tests::tuple_size_mismatch ... ok
[INFO] [stdout] test de::tests::struct_variant ... ok
[INFO] [stdout] test de::tests::unit ... ok
[INFO] [stdout] test de::tests::unit_variant ... ok
[INFO] [stdout] test de::tests::unit_struct ... ok
[INFO] [stdout] test de::tests::tuple_newtype_variant_tag ... ok
[INFO] [stdout] test de::tests::unit_wrong_variant ... ok
[INFO] [stdout] test de::tests::tuple_struct ... ok
[INFO] [stdout] test de::tests::tuple_struct_type_mismatch ... ok
[INFO] [stdout] test ser::tests::boolean ... ok
[INFO] [stdout] test de::tests::tuple_struct_size_mismatch ... ok
[INFO] [stdout] test de::tests::tuple_type_mismatch ... ok
[INFO] [stdout] test de::tests::unit_not_found ... ok
[INFO] [stdout] test de::tests::tuple_variant ... ok
[INFO] [stdout] test de::tests::boolean ... ok
[INFO] [stdout] test ser::tests::newtype_variant ... ok
[INFO] [stdout] test ser::tests::option ... ok
[INFO] [stdout] test ser::tests::bytes ... ok
[INFO] [stdout] test ser::tests::seq ... ok
[INFO] [stdout] test ser::tests::string ... ok
[INFO] [stdout] test ser::tests::newtype_tuple_variant ... ok
[INFO] [stdout] test ser::tests::map ... ok
[INFO] [stdout] test ser::tests::map_invalid_key ... ok
[INFO] [stdout] test ser::tests::map_extra ... ok
[INFO] [stdout] test ser::tests::char ... ok
[INFO] [stdout] test ser::tests::seq_empty ... ok
[INFO] [stdout] test ser::tests::structure ... ok
[INFO] [stdout] test ser::tests::struct_variant ... ok
[INFO] [stdout] test ser::tests::newtype_struct ... ok
[INFO] [stdout] test ser::tests::struct_variant_tag ... ok
[INFO] [stdout] test ser::tests::seq_shrink ... ok
[INFO] [stdout] test ser::tests::struct_variant_tag_content ... ok
[INFO] [stdout] test ser::tests::tuple_newtype_variant ... ok
[INFO] [stdout] test ser::tests::tuple_newtype_variant_keep_aux_files ... ok
[INFO] [stdout] test ser::tests::structure_keep_aux_files ... ok
[INFO] [stdout] test ser::tests::tuple_struct ... ok
[INFO] [stdout] test ser::tests::tuple ... ok
[INFO] [stdout] test ser::tests::unit ... ok
[INFO] [stdout] test de::tests::numbers_extra_space ... ok
[INFO] [stdout] test ser::tests::tuple_newtype_variant_tag ... ok
[INFO] [stdout] test ser::tests::map_keep_aux_files ... ok
[INFO] [stdout] test ser::tests::unit_variant ... ok
[INFO] [stdout] test ser::tests::tuple_variant ... ok
[INFO] [stdout] test ser::tests::unit_struct ... ok
[INFO] [stdout] test ser::tests::seq_keep_aux_files ... ok
[INFO] [stdout] test ser::tests::numbers ... ok
[INFO] [stdout] test de::tests::struct_variant_tag ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 66 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests serde_fs
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - from_fs (line 56) ... ok
[INFO] [stdout] test src/lib.rs - to_fs (line 22) ... 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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "120c67f6dfee129e753353e9e44052891206ad91e7ec197b566b0e21b2365c2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "120c67f6dfee129e753353e9e44052891206ad91e7ec197b566b0e21b2365c2a", kill_on_drop: false }`
[INFO] [stdout] 120c67f6dfee129e753353e9e44052891206ad91e7ec197b566b0e21b2365c2a