[INFO] cloning repository https://github.com/nvm27/euler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nvm27/euler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnvm27%2Feuler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnvm27%2Feuler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 02520d27dc1fd44874bc65c99bb7af0ae58b455b
[INFO] checking nvm27/euler against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnvm27%2Feuler" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nvm27/euler on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nvm27/euler
[INFO] finished tweaking git repo https://github.com/nvm27/euler
[INFO] tweaked toml for git repo https://github.com/nvm27/euler written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/nvm27/euler already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-14/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/wackywendell/primes.git`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d7bbf3f6f9da4dde7f91f15459715e2699f39b0c4123e5f4534a1a8beb3757b2
[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" "d7bbf3f6f9da4dde7f91f15459715e2699f39b0c4123e5f4534a1a8beb3757b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d7bbf3f6f9da4dde7f91f15459715e2699f39b0c4123e5f4534a1a8beb3757b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7bbf3f6f9da4dde7f91f15459715e2699f39b0c4123e5f4534a1a8beb3757b2", kill_on_drop: false }`
[INFO] [stdout] d7bbf3f6f9da4dde7f91f15459715e2699f39b0c4123e5f4534a1a8beb3757b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7cd4bce0735798b6c571322acc2e009c6927517ec45312bcdd84aa9721de06bc
[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" "7cd4bce0735798b6c571322acc2e009c6927517ec45312bcdd84aa9721de06bc", kill_on_drop: false }`
[INFO] [stderr]     Checking primes v0.3.0 (https://github.com/wackywendell/primes.git#960de37e)
[INFO] [stderr]     Checking euler v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0599]: no function or associated item named `new` found for trait object `dyn PrimeSet` in the current scope
[INFO] [stdout]  --> src/largest_prime.rs:8:15
[INFO] [stdout]   |
[INFO] [stdout] 8 |     PrimeSet::new().iter()
[INFO] [stdout]   |               ^^^ function or associated item not found in `dyn PrimeSet`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `new` found for trait object `dyn PrimeSet` in the current scope
[INFO] [stdout]  --> src/smallest_multiple.rs:7:15
[INFO] [stdout]   |
[INFO] [stdout] 7 |     PrimeSet::new().iter()
[INFO] [stdout]   |               ^^^ function or associated item not found in `dyn PrimeSet`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `new` found for trait object `dyn PrimeSet` in the current scope
[INFO] [stdout]  --> src/nth_prime.rs:6:15
[INFO] [stdout]   |
[INFO] [stdout] 6 |     PrimeSet::new().iter()
[INFO] [stdout]   |               ^^^ function or associated item not found in `dyn PrimeSet`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `new` found for trait object `dyn PrimeSet` in the current scope
[INFO] [stdout]  --> src/primes_sum.rs:6:15
[INFO] [stdout]   |
[INFO] [stdout] 6 |     PrimeSet::new().iter()
[INFO] [stdout]   |               ^^^ function or associated item not found in `dyn PrimeSet`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `euler`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0599]: no function or associated item named `new` found for trait object `dyn PrimeSet` in the current scope
[INFO] [stdout]  --> src/largest_prime.rs:8:15
[INFO] [stdout]   |
[INFO] [stdout] 8 |     PrimeSet::new().iter()
[INFO] [stdout]   |               ^^^ function or associated item not found in `dyn PrimeSet`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `new` found for trait object `dyn PrimeSet` in the current scope
[INFO] [stdout]  --> src/smallest_multiple.rs:7:15
[INFO] [stdout]   |
[INFO] [stdout] 7 |     PrimeSet::new().iter()
[INFO] [stdout]   |               ^^^ function or associated item not found in `dyn PrimeSet`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `new` found for trait object `dyn PrimeSet` in the current scope
[INFO] [stdout]  --> src/nth_prime.rs:6:15
[INFO] [stdout]   |
[INFO] [stdout] 6 |     PrimeSet::new().iter()
[INFO] [stdout]   |               ^^^ function or associated item not found in `dyn PrimeSet`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `new` found for trait object `dyn PrimeSet` in the current scope
[INFO] [stdout]  --> src/primes_sum.rs:6:15
[INFO] [stdout]   |
[INFO] [stdout] 6 |     PrimeSet::new().iter()
[INFO] [stdout]   |               ^^^ function or associated item not found in `dyn PrimeSet`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7cd4bce0735798b6c571322acc2e009c6927517ec45312bcdd84aa9721de06bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cd4bce0735798b6c571322acc2e009c6927517ec45312bcdd84aa9721de06bc", kill_on_drop: false }`
[INFO] [stdout] 7cd4bce0735798b6c571322acc2e009c6927517ec45312bcdd84aa9721de06bc