[INFO] fetching crate semanticscholar 0.1.0...
[INFO] building semanticscholar-0.1.0 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate semanticscholar 0.1.0 into /workspace/builds/worker-2-tc2/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-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate semanticscholar 0.1.0 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "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: v0.12.23)
[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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
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[INFO] [stdout] d1aad233d2dff04f4c135b003e8f86764e7c8930b3f3fe5de3fb5667754b1525
[INFO] running `Command { std: "docker" "start" "-a" "d1aad233d2dff04f4c135b003e8f86764e7c8930b3f3fe5de3fb5667754b1525", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d1aad233d2dff04f4c135b003e8f86764e7c8930b3f3fe5de3fb5667754b1525", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1aad233d2dff04f4c135b003e8f86764e7c8930b3f3fe5de3fb5667754b1525", kill_on_drop: false }`
[INFO] [stdout] d1aad233d2dff04f4c135b003e8f86764e7c8930b3f3fe5de3fb5667754b1525
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 01b5f337c2cb1d32bd792e2ccde1e83dde405ad48eea90dcfb9c2757b642e554
[INFO] running `Command { std: "docker" "start" "-a" "01b5f337c2cb1d32bd792e2ccde1e83dde405ad48eea90dcfb9c2757b642e554", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_core v0.4.2
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[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling icu_collections v2.0.0
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[INFO] [stderr]    Compiling icu_provider v2.0.0
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[INFO] [stderr]    Compiling idna_adapter v1.2.1
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[INFO] [stderr]    Compiling cookie_store v0.7.0
[INFO] [stderr]    Compiling reqwest v0.9.24
[INFO] [stderr]    Compiling 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 35.24s
[INFO] running `Command { std: "docker" "inspect" "01b5f337c2cb1d32bd792e2ccde1e83dde405ad48eea90dcfb9c2757b642e554", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01b5f337c2cb1d32bd792e2ccde1e83dde405ad48eea90dcfb9c2757b642e554", kill_on_drop: false }`
[INFO] [stdout] 01b5f337c2cb1d32bd792e2ccde1e83dde405ad48eea90dcfb9c2757b642e554
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef4a0989b2c323e1ceef296855d86660fcdf493280cf499b54c9b7a5413fee29
[INFO] running `Command { std: "docker" "start" "-a" "ef4a0989b2c323e1ceef296855d86660fcdf493280cf499b54c9b7a5413fee29", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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: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: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] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.86s
[INFO] running `Command { std: "docker" "inspect" "ef4a0989b2c323e1ceef296855d86660fcdf493280cf499b54c9b7a5413fee29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef4a0989b2c323e1ceef296855d86660fcdf493280cf499b54c9b7a5413fee29", kill_on_drop: false }`
[INFO] [stdout] ef4a0989b2c323e1ceef296855d86660fcdf493280cf499b54c9b7a5413fee29
