[INFO] fetching crate semanticscholar 0.1.0...
[INFO] checking semanticscholar-0.1.0 against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] extracting crate semanticscholar 0.1.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate semanticscholar 0.1.0
[INFO] finished tweaking crates.io crate semanticscholar 0.1.0
[INFO] tweaked toml for crates.io crate semanticscholar 0.1.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate semanticscholar 0.1.0 on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 189 packages to latest compatible versions
[INFO] [stderr]       Adding reqwest v0.9.24 (available: v0.13.1)
[INFO] [stderr]       Adding wasi v0.10.0+wasi-snapshot-preview1 (available: v0.10.2+wasi-snapshot-preview1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zmij v1.0.12
[INFO] [stderr]   Downloaded quote v1.0.43
[INFO] [stderr]   Downloaded potential_utf v0.1.4
[INFO] [stderr]   Downloaded displaydoc v0.2.5
[INFO] [stderr]   Downloaded writeable v0.6.2
[INFO] [stderr]   Downloaded indexmap v1.9.3
[INFO] [stderr]   Downloaded failure_derive v0.1.8
[INFO] [stderr]   Downloaded rustc-demangle v0.1.26
[INFO] [stderr]   Downloaded addr2line v0.25.1
[INFO] [stderr]   Downloaded icu_normalizer v2.1.1
[INFO] [stderr]   Downloaded backtrace v0.3.76
[INFO] [stderr]   Downloaded hyper v0.12.36
[INFO] [stderr]   Downloaded icu_properties_data v2.1.2
[INFO] [stderr]   Downloaded zerovec v0.11.5
[INFO] [stderr]   Downloaded idna v1.1.0
[INFO] [stderr]   Downloaded openssl v0.10.75
[INFO] [stderr]   Downloaded wasip2 v1.0.1+wasi-0.2.4
[INFO] [stderr]   Downloaded gimli v0.32.3
[INFO] [stderr]   Downloaded unicode-normalization v0.1.25
[INFO] [stderr]   Downloaded reqwest v0.9.24
[INFO] [stderr]   Downloaded security-framework v2.11.1
[INFO] [stderr]   Downloaded icu_normalizer_data v2.1.1
[INFO] [stderr]   Downloaded memchr v2.7.6
[INFO] [stderr]   Downloaded icu_locale_core v2.1.1
[INFO] [stderr]   Downloaded url v2.5.8
[INFO] [stderr]   Downloaded http v0.1.21
[INFO] [stderr]   Downloaded cc v1.2.52
[INFO] [stderr]   Downloaded icu_provider v2.1.1
[INFO] [stderr]   Downloaded zerotrie v0.2.3
[INFO] [stderr]   Downloaded miniz_oxide v0.8.9
[INFO] [stderr]   Downloaded flate2 v1.1.5
[INFO] [stderr]   Downloaded openssl-sys v0.9.111
[INFO] [stderr]   Downloaded rustix v1.1.3
[INFO] [stderr]   Downloaded object v0.37.3
[INFO] [stderr]   Downloaded failure v0.1.8
[INFO] [stderr]   Downloaded litemap v0.8.1
[INFO] [stderr]   Downloaded syn v2.0.114
[INFO] [stderr]   Downloaded unicode-xid v0.2.6
[INFO] [stderr]   Downloaded icu_collections v2.1.1
[INFO] [stderr]   Downloaded tinystr v0.8.2
[INFO] [stderr]   Downloaded mio v0.6.23
[INFO] [stderr]   Downloaded form_urlencoded v1.2.2
[INFO] [stderr]   Downloaded icu_properties v2.1.2
[INFO] [stderr]   Downloaded wit-bindgen v0.46.0
[INFO] [stderr]   Downloaded getrandom v0.3.4
[INFO] [stderr]   Downloaded log v0.4.29
[INFO] [stderr]   Downloaded unicode-bidi v0.3.18
[INFO] [stderr]   Downloaded tinyvec v1.10.0
[INFO] [stderr]   Downloaded httparse v1.10.1
[INFO] [stderr]   Downloaded r-efi v5.3.0
[INFO] [stderr]   Downloaded serde_json v1.0.149
[INFO] [stderr]   Downloaded yoke v0.8.1
[INFO] [stderr]   Downloaded zerovec-derive v0.11.2
[INFO] [stderr]   Downloaded smallvec v1.15.1
[INFO] [stderr]   Downloaded publicsuffix v1.5.6
[INFO] [stderr]   Downloaded crc32fast v1.5.0
[INFO] [stderr]   Downloaded simd-adler32 v0.3.8
[INFO] [stderr]   Downloaded unicase v2.9.0
[INFO] [stderr]   Downloaded mime_guess v2.0.5
[INFO] [stderr]   Downloaded pkg-config v0.3.32
[INFO] [stderr]   Downloaded schannel v0.1.28
[INFO] [stderr]   Downloaded security-framework-sys v2.15.0
[INFO] [stderr]   Downloaded libc v0.2.180
[INFO] [stderr]   Downloaded cfg-if v1.0.4
[INFO] [stderr]   Downloaded tokio-sync v0.1.8
[INFO] [stderr]   Downloaded memoffset v0.5.6
[INFO] [stderr]   Downloaded hermit-abi v0.5.2
[INFO] [stderr]   Downloaded slab v0.4.11
[INFO] [stderr]   Downloaded stable_deref_trait v1.2.1
[INFO] [stderr]   Downloaded yoke-derive v0.8.1
[INFO] [stderr]   Downloaded synstructure v0.13.2
[INFO] [stderr]   Downloaded zerofrom-derive v0.1.6
[INFO] [stderr]   Downloaded idna_adapter v1.2.1
[INFO] [stderr]   Downloaded utf8_iter v1.0.4
[INFO] [stderr]   Downloaded percent-encoding v2.3.2
[INFO] [stderr]   Downloaded adler2 v2.0.1
[INFO] [stderr]   Downloaded openssl-macros v0.1.1
[INFO] [stderr]   Downloaded openssl-probe v0.1.6
[INFO] [stderr]   Downloaded find-msvc-tools v0.1.7
[INFO] [stderr]   Downloaded fastrand v2.3.0
[INFO] [stderr]   Downloaded bitflags v2.10.0
[INFO] [stderr]   Downloaded tempfile v3.24.0
[INFO] [stderr]   Downloaded native-tls v0.2.14
[INFO] [stderr]   Downloaded time v0.1.45
[INFO] [stderr]   Downloaded miow v0.2.2
[INFO] [stderr]   Downloaded net2 v0.2.39
[INFO] [stderr]   Downloaded redox_syscall v0.1.57
[INFO] [stderr]   Downloaded smallvec v0.6.14
[INFO] [stderr]   Downloaded parking_lot_core v0.6.3
[INFO] [stderr]   Downloaded parking_lot v0.9.0
[INFO] [stderr]   Downloaded tokio-reactor v0.1.12
[INFO] [stderr]   Downloaded encoding_rs v0.8.35
[INFO] [stderr]   Downloaded either v1.15.0
[INFO] [stderr]   Downloaded crossbeam-queue v0.2.3
[INFO] [stderr]   Downloaded tokio-threadpool v0.1.18
[INFO] [stderr]   Downloaded lazy_static v1.5.0
[INFO] [stderr]   Downloaded tokio-executor v0.1.10
[INFO] [stderr]   Downloaded tokio-timer v0.2.13
[INFO] [stderr]   Downloaded tinyvec_macros v0.1.1
[INFO] [stderr]   Downloaded matches v0.1.10
[INFO] [stderr]   Downloaded autocfg v1.5.0
[INFO] [stderr]   Downloaded autocfg v0.1.8
[INFO] [stderr]   Downloaded itoa v1.0.17
[INFO] [stderr]   Downloaded serde v1.0.228
[INFO] [stderr]   Downloaded proc-macro2 v1.0.105
[INFO] [stderr]   Downloaded unicode-ident v1.0.22
[INFO] [stderr]   Downloaded linux-raw-sys v0.11.0
[INFO] [stderr]   Downloaded serde_derive v1.0.228
[INFO] [stderr]   Downloaded serde_core v1.0.228
[INFO] [stderr]   Downloaded zerofrom v0.1.6
[INFO] [stderr]   Downloaded once_cell v1.21.3
[INFO] [stderr]   Downloaded errno v0.3.14
[INFO] [stderr]   Downloaded windows-sys v0.61.2
[INFO] [stderr]   Downloaded windows-link v0.2.1
[INFO] [stderr]   Downloaded tokio-current-thread v0.1.7
[INFO] [stderr]   Downloaded lock_api v0.3.4
[INFO] [stderr]   Downloaded tokio-tcp v0.1.4
[INFO] [stderr]   Downloaded crossbeam-deque v0.7.4
[INFO] [stderr]   Downloaded num_cpus v1.17.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 51e60e76979afd238acbe92c19fd73b1637867cea64e1e6af3da6abb41312fba
[INFO] running `Command { std: "docker" "start" "-a" "51e60e76979afd238acbe92c19fd73b1637867cea64e1e6af3da6abb41312fba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "51e60e76979afd238acbe92c19fd73b1637867cea64e1e6af3da6abb41312fba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51e60e76979afd238acbe92c19fd73b1637867cea64e1e6af3da6abb41312fba", kill_on_drop: false }`
[INFO] [stdout] 51e60e76979afd238acbe92c19fd73b1637867cea64e1e6af3da6abb41312fba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8f6ad86c149a3e9580fdb6882a035f55580cf63be644a9fe927a8453e9c959fe
[INFO] running `Command { std: "docker" "start" "-a" "8f6ad86c149a3e9580fdb6882a035f55580cf63be644a9fe927a8453e9c959fe", kill_on_drop: false }`
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]     Checking stable_deref_trait v1.2.1
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]     Checking writeable v0.6.2
[INFO] [stderr]     Checking litemap v0.8.1
[INFO] [stderr]    Compiling cc v1.2.52
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]    Compiling parking_lot_core v0.6.3
[INFO] [stderr]    Compiling icu_normalizer_data v2.1.1
[INFO] [stderr]    Compiling icu_properties_data v2.1.2
[INFO] [stderr]     Checking num_cpus v1.17.0
[INFO] [stderr]     Checking unicode-normalization v0.1.25
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking matches v0.1.10
[INFO] [stderr]     Checking unicode-bidi v0.3.18
[INFO] [stderr]     Checking net2 v0.2.39
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking simd-adler32 v0.3.8
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking miniz_oxide v0.8.9
[INFO] [stderr]     Checking gimli v0.32.3
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling openssl v0.10.75
[INFO] [stderr]     Checking percent-encoding v2.3.2
[INFO] [stderr]     Checking form_urlencoded v1.2.2
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling hyper v0.12.36
[INFO] [stderr]    Compiling unicase v2.9.0
[INFO] [stderr]     Checking tokio-executor v0.1.10
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking tokio-sync v0.1.8
[INFO] [stderr]     Checking crossbeam-deque v0.7.4
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]    Compiling mime_guess v2.0.5
[INFO] [stderr]     Checking tokio-current-thread v0.1.7
[INFO] [stderr]     Checking tokio-timer v0.2.13
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking cookie v0.12.0
[INFO] [stderr]     Checking crc32fast v1.5.0
[INFO] [stderr]     Checking try_from v0.3.2
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking flate2 v1.1.5
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]    Compiling openssl-sys v0.9.111
[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]    Compiling native-tls v0.2.14
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]     Checking addr2line v0.25.1
[INFO] [stderr]     Checking serde_json v1.0.149
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]     Checking backtrace v0.3.76
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.8.1
[INFO] [stderr]    Compiling zerovec-derive v0.11.2
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking zerofrom v0.1.6
[INFO] [stderr]     Checking yoke v0.8.1
[INFO] [stderr]     Checking zerovec v0.11.5
[INFO] [stderr]     Checking zerotrie v0.2.3
[INFO] [stderr]     Checking tinystr v0.8.2
[INFO] [stderr]     Checking potential_utf v0.1.4
[INFO] [stderr]     Checking icu_collections v2.1.1
[INFO] [stderr]     Checking icu_locale_core v2.1.1
[INFO] [stderr]     Checking icu_provider v2.1.1
[INFO] [stderr]     Checking icu_normalizer v2.1.1
[INFO] [stderr]     Checking icu_properties v2.1.2
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
[INFO] [stderr]     Checking idna_adapter v1.2.1
[INFO] [stderr]     Checking idna v1.1.0
[INFO] [stderr]     Checking url v2.5.8
[INFO] [stderr]     Checking publicsuffix v1.5.6
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking reqwest v0.9.24
[INFO] [stderr]     Checking semanticscholar v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:14:71
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn new_from_json(j: &serde_json::Value) -> Result<Author, Box<::std::error::Error>> {
[INFO] [stdout]    |                                                                       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn new_from_json(j: &serde_json::Value) -> Result<Author, Box<dyn (::std::error::Error)>> {
[INFO] [stdout]    |                                                                       +++++                   +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:38:70
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn new_from_json(j: &serde_json::Value) -> Result<Topic, Box<::std::error::Error>> {
[INFO] [stdout]    |                                                                      ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn new_from_json(j: &serde_json::Value) -> Result<Topic, Box<dyn (::std::error::Error)>> {
[INFO] [stdout]    |                                                                      +++++                   +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:72:69
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub fn new_from_json(j: &serde_json::Value) -> Result<Work, Box<::std::error::Error>> {
[INFO] [stdout]    |                                                                     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub fn new_from_json(j: &serde_json::Value) -> Result<Work, Box<dyn (::std::error::Error)>> {
[INFO] [stdout]    |                                                                     +++++                   +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:124:54
[INFO] [stdout]     |
[INFO] [stdout] 124 |     pub fn work(&self, id: &str) -> Result<Work, Box<::std::error::Error>> {
[INFO] [stdout]     |                                                      ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 124 |     pub fn work(&self, id: &str) -> Result<Work, Box<dyn (::std::error::Error)>> {
[INFO] [stdout]     |                                                      +++++                   +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:14:71
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn new_from_json(j: &serde_json::Value) -> Result<Author, Box<::std::error::Error>> {
[INFO] [stdout]    |                                                                       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn new_from_json(j: &serde_json::Value) -> Result<Author, Box<dyn (::std::error::Error)>> {
[INFO] [stdout]    |                                                                       +++++                   +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:38:70
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn new_from_json(j: &serde_json::Value) -> Result<Topic, Box<::std::error::Error>> {
[INFO] [stdout]    |                                                                      ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn new_from_json(j: &serde_json::Value) -> Result<Topic, Box<dyn (::std::error::Error)>> {
[INFO] [stdout]    |                                                                      +++++                   +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:72:69
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub fn new_from_json(j: &serde_json::Value) -> Result<Work, Box<::std::error::Error>> {
[INFO] [stdout]    |                                                                     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub fn new_from_json(j: &serde_json::Value) -> Result<Work, Box<dyn (::std::error::Error)>> {
[INFO] [stdout]    |                                                                     +++++                   +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:124:54
[INFO] [stdout]     |
[INFO] [stdout] 124 |     pub fn work(&self, id: &str) -> Result<Work, Box<::std::error::Error>> {
[INFO] [stdout]     |                                                      ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 124 |     pub fn work(&self, id: &str) -> Result<Work, Box<dyn (::std::error::Error)>> {
[INFO] [stdout]     |                                                      +++++                   +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.43s
[INFO] running `Command { std: "docker" "inspect" "8f6ad86c149a3e9580fdb6882a035f55580cf63be644a9fe927a8453e9c959fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f6ad86c149a3e9580fdb6882a035f55580cf63be644a9fe927a8453e9c959fe", kill_on_drop: false }`
[INFO] [stdout] 8f6ad86c149a3e9580fdb6882a035f55580cf63be644a9fe927a8453e9c959fe
