[INFO] fetching crate calc-graph 0.4.2...
[INFO] checking calc-graph-0.4.2 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] extracting crate calc-graph 0.4.2 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate calc-graph 0.4.2 on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-12/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=forbid" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] a79c5083fdc46b02b42209e8a2108b2b29e5e3da4ebed8be7ddf0c848366285d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "a79c5083fdc46b02b42209e8a2108b2b29e5e3da4ebed8be7ddf0c848366285d"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]     Checking bit-vec v0.5.1
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]     Checking bit-set v0.5.1
[INFO] [stderr]    Compiling calc-graph v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> build/build.rs:11:29
[INFO] [stderr]    |
[INFO] [stderr] 11 | fn main() -> Result<(), Box<Error>> {
[INFO] [stderr]    |                             ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:266:32
[INFO] [stderr]     |
[INFO] [stderr] 266 | pub type BoxNode<T> = Node<Box<Calc<Value = T> + Send>>;
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Calc<Value = T> + Send`
[INFO] [stderr]     |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]    --> src/lib.rs:2:9
[INFO] [stderr]     |
[INFO] [stderr] 2   | #![deny(warnings)]
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr]     = note: `#[deny(bare_trait_objects)]` implied by `#[deny(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:276:23
[INFO] [stderr]     |
[INFO] [stderr] 276 |         let calc: Box<Calc<Value = C::Value> + Send> = Box::new(self.calc);
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Calc<Value = C::Value> + Send`
[INFO] [stderr] 
[INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:524:22
[INFO] [stderr]     |
[INFO] [stderr] 524 | impl<T> Calc for Box<Calc<Value = T> + Send> {
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Calc<Value = T> + Send`
[INFO] [stderr] 
[INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:266:32
[INFO] [stderr]     |
[INFO] [stderr] 266 | pub type BoxNode<T> = Node<Box<Calc<Value = T> + Send>>;
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Calc<Value = T> + Send`
[INFO] [stderr]     |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]    --> src/lib.rs:2:9
[INFO] [stderr]     |
[INFO] [stderr] 2   | #![deny(warnings)]
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr]     = note: `#[deny(bare_trait_objects)]` implied by `#[deny(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:276:23
[INFO] [stderr]     |
[INFO] [stderr] 276 |         let calc: Box<Calc<Value = C::Value> + Send> = Box::new(self.calc);
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Calc<Value = C::Value> + Send`
[INFO] [stderr] 
[INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:524:22
[INFO] [stderr]     |
[INFO] [stderr] 524 | impl<T> Calc for Box<Calc<Value = T> + Send> {
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Calc<Value = T> + Send`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `calc-graph`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `calc-graph`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "a79c5083fdc46b02b42209e8a2108b2b29e5e3da4ebed8be7ddf0c848366285d"`
[INFO] running `"docker" "rm" "-f" "a79c5083fdc46b02b42209e8a2108b2b29e5e3da4ebed8be7ddf0c848366285d"`
[INFO] [stdout] a79c5083fdc46b02b42209e8a2108b2b29e5e3da4ebed8be7ddf0c848366285d