[INFO] fetching crate calc-graph 0.4.2...
[INFO] checking calc-graph-0.4.2 against master#e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682 for beta-170-4
[INFO] extracting crate calc-graph 0.4.2 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate calc-graph 0.4.2 on toolchain e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate calc-graph 0.4.2
[INFO] finished tweaking crates.io crate calc-graph 0.4.2
[INFO] tweaked toml for crates.io crate calc-graph 0.4.2 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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_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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a606d1514cccc253bcdff11a18129aa4ef75a37c8413c8bb05c5ccfbbfe7bdab
[INFO] running `Command { std: "docker" "start" "-a" "a606d1514cccc253bcdff11a18129aa4ef75a37c8413c8bb05c5ccfbbfe7bdab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a606d1514cccc253bcdff11a18129aa4ef75a37c8413c8bb05c5ccfbbfe7bdab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a606d1514cccc253bcdff11a18129aa4ef75a37c8413c8bb05c5ccfbbfe7bdab", kill_on_drop: false }`
[INFO] [stdout] a606d1514cccc253bcdff11a18129aa4ef75a37c8413c8bb05c5ccfbbfe7bdab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c6ef7b636c203822db820bc8893cd9c5dd5962b7ea6cd907ba42a680833e029
[INFO] running `Command { std: "docker" "start" "-a" "5c6ef7b636c203822db820bc8893cd9c5dd5962b7ea6cd907ba42a680833e029", kill_on_drop: false }`
[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]    Compiling calc-graph v0.4.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> build/build.rs:11:29
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn main() -> Result<(), Box<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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn main() -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:266:32
[INFO] [stdout]     |
[INFO] [stdout] 266 | pub type BoxNode<T> = Node<Box<Calc<Value = T> + Send>>;
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:2:9
[INFO] [stdout]     |
[INFO] [stdout] 2   | #![deny(warnings)]
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     = note: `#[deny(bare_trait_objects)]` implied by `#[deny(warnings)]`
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 266 | pub type BoxNode<T> = Node<Box<dyn Calc<Value = T> + Send>>;
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:524:22
[INFO] [stdout]     |
[INFO] [stdout] 524 | impl<T> Calc for Box<Calc<Value = T> + Send> {
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 524 | impl<T> Calc for Box<dyn Calc<Value = T> + Send> {
[INFO] [stdout]     |                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:266:32
[INFO] [stdout]     |
[INFO] [stdout] 266 | pub type BoxNode<T> = Node<Box<Calc<Value = T> + Send>>;
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:2:9
[INFO] [stdout]     |
[INFO] [stdout] 2   | #![deny(warnings)]
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     = note: `#[deny(bare_trait_objects)]` implied by `#[deny(warnings)]`
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 266 | pub type BoxNode<T> = Node<Box<dyn Calc<Value = T> + Send>>;
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:524:22
[INFO] [stdout]     |
[INFO] [stdout] 524 | impl<T> Calc for Box<Calc<Value = T> + Send> {
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 524 | impl<T> Calc for Box<dyn Calc<Value = T> + Send> {
[INFO] [stdout]     |                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:276:23
[INFO] [stdout]     |
[INFO] [stdout] 276 |         let calc: Box<Calc<Value = C::Value> + Send> = Box::new(self.calc);
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 276 |         let calc: Box<dyn Calc<Value = C::Value> + Send> = Box::new(self.calc);
[INFO] [stdout]     |                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:276:23
[INFO] [stdout]     |
[INFO] [stdout] 276 |         let calc: Box<Calc<Value = C::Value> + Send> = Box::new(self.calc);
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 276 |         let calc: Box<dyn Calc<Value = C::Value> + Send> = Box::new(self.calc);
[INFO] [stdout]     |                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `calc-graph` (lib) due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `calc-graph` (lib test) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "5c6ef7b636c203822db820bc8893cd9c5dd5962b7ea6cd907ba42a680833e029", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c6ef7b636c203822db820bc8893cd9c5dd5962b7ea6cd907ba42a680833e029", kill_on_drop: false }`
[INFO] [stdout] 5c6ef7b636c203822db820bc8893cd9c5dd5962b7ea6cd907ba42a680833e029
