[INFO] cloning repository https://github.com/FoamCactus/euler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/FoamCactus/euler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFoamCactus%2Feuler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFoamCactus%2Feuler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 165375d84ebe378a8c9d53df9d447f2777d748e3
[INFO] checking FoamCactus/euler against try#9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869 for pr-129249
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFoamCactus%2Feuler" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/FoamCactus/euler on toolchain 9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/FoamCactus/euler
[INFO] finished tweaking git repo https://github.com/FoamCactus/euler
[INFO] tweaked toml for git repo https://github.com/FoamCactus/euler written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 23 packages to latest compatible versions
[INFO] [stderr]       Adding primes v0.2.4 (available: v0.4.0)
[INFO] [stderr]       Adding rand v0.7.3 (available: v0.8.5)
[INFO] [stderr]       Adding sorted-vec v0.4.1 (available: v0.8.5)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2a3aafe4fe2b25773e9a232cbcf8e818859b863038ab19e942cb46cc4ad8acef
[INFO] running `Command { std: "docker" "start" "-a" "2a3aafe4fe2b25773e9a232cbcf8e818859b863038ab19e942cb46cc4ad8acef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2a3aafe4fe2b25773e9a232cbcf8e818859b863038ab19e942cb46cc4ad8acef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a3aafe4fe2b25773e9a232cbcf8e818859b863038ab19e942cb46cc4ad8acef", kill_on_drop: false }`
[INFO] [stdout] 2a3aafe4fe2b25773e9a232cbcf8e818859b863038ab19e942cb46cc4ad8acef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b6792b4c0dc122c047a3425d40022f13da64cf28fbdc320798dece32642b14e8
[INFO] running `Command { std: "docker" "start" "-a" "b6792b4c0dc122c047a3425d40022f13da64cf28fbdc320798dece32642b14e8", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking primes v0.2.4
[INFO] [stderr]     Checking sorted-vec v0.4.1
[INFO] [stderr]     Checking big_int v0.1.0 (/opt/rustwide/workdir/big_int)
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]     Checking number_theory v0.1.0 (/opt/rustwide/workdir/number_theory)
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stdout] error: this conversion is useless `u64` to `u64`
[INFO] [stdout]   --> number_theory/src/number_theory.rs:11:42
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let prime_factors = prime_factors_of(n.into());
[INFO] [stdout]    |                                          ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this conversion is useless `u64` to `u64`
[INFO] [stdout]   --> number_theory/src/number_theory.rs:32:42
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let prime_factors = prime_factors_of(n.into());
[INFO] [stdout]    |                                          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `number_theory` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "b6792b4c0dc122c047a3425d40022f13da64cf28fbdc320798dece32642b14e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6792b4c0dc122c047a3425d40022f13da64cf28fbdc320798dece32642b14e8", kill_on_drop: false }`
[INFO] [stdout] b6792b4c0dc122c047a3425d40022f13da64cf28fbdc320798dece32642b14e8