[INFO] cloning repository https://github.com/potzko/hyper-general-sorts [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/potzko/hyper-general-sorts" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpotzko%2Fhyper-general-sorts", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpotzko%2Fhyper-general-sorts'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 81447af26b4054add58c4ba91306b007df0e0e25 [INFO] checking potzko/hyper-general-sorts against try#23ffd2897cbb44320ca18dfe4d05dbacb37d55e0 for pr-115950 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpotzko%2Fhyper-general-sorts" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/potzko/hyper-general-sorts on toolchain 23ffd2897cbb44320ca18dfe4d05dbacb37d55e0 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+23ffd2897cbb44320ca18dfe4d05dbacb37d55e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/potzko/hyper-general-sorts [INFO] finished tweaking git repo https://github.com/potzko/hyper-general-sorts [INFO] tweaked toml for git repo https://github.com/potzko/hyper-general-sorts written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/potzko/hyper-general-sorts already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+23ffd2897cbb44320ca18dfe4d05dbacb37d55e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+23ffd2897cbb44320ca18dfe4d05dbacb37d55e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 00beb63c285e8984af31bb860cb309055d8897baac985b48a5238f62d04f4838 [INFO] running `Command { std: "docker" "start" "-a" "00beb63c285e8984af31bb860cb309055d8897baac985b48a5238f62d04f4838", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "00beb63c285e8984af31bb860cb309055d8897baac985b48a5238f62d04f4838", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "00beb63c285e8984af31bb860cb309055d8897baac985b48a5238f62d04f4838", kill_on_drop: false }` [INFO] [stdout] 00beb63c285e8984af31bb860cb309055d8897baac985b48a5238f62d04f4838 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+23ffd2897cbb44320ca18dfe4d05dbacb37d55e0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7478c3a646330faa9aa7e6efd5b7b5f6e5e6f609bbdb5b4ee2d6d45b284b74a2 [INFO] running `Command { std: "docker" "start" "-a" "7478c3a646330faa9aa7e6efd5b7b5f6e5e6f609bbdb5b4ee2d6d45b284b74a2", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.142 [INFO] [stderr] Checking getrandom v0.2.9 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking sorting_blackbox_id v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0499]: cannot borrow `*rng` as mutable more than once at a time [INFO] [stdout] --> src/main.rs:369:37 [INFO] [stdout] | [INFO] [stdout] 368 | let q = random_quick_sort_build(rng); [INFO] [stdout] | --- first mutable borrow occurs here [INFO] [stdout] 369 | let s = random_shell_sort_build(rng); [INFO] [stdout] | ^^^ second mutable borrow occurs here [INFO] [stdout] ... [INFO] [stdout] 373 | 0 => q(arr), [INFO] [stdout] | - first borrow later captured here by closure [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0499]: cannot borrow `*rng` as mutable more than once at a time [INFO] [stdout] --> src/main.rs:369:37 [INFO] [stdout] | [INFO] [stdout] 368 | let q = random_quick_sort_build(rng); [INFO] [stdout] | --- first mutable borrow occurs here [INFO] [stdout] 369 | let s = random_shell_sort_build(rng); [INFO] [stdout] | ^^^ second mutable borrow occurs here [INFO] [stdout] ... [INFO] [stdout] 373 | 0 => q(arr), [INFO] [stdout] | - first borrow later captured here by closure [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0499]: cannot borrow `*rng` as mutable more than once at a time [INFO] [stdout] --> src/main.rs:370:36 [INFO] [stdout] | [INFO] [stdout] 368 | let q = random_quick_sort_build(rng); [INFO] [stdout] | --- first mutable borrow occurs here [INFO] [stdout] 369 | let s = random_shell_sort_build(rng); [INFO] [stdout] 370 | let h = random_heap_sort_build(rng); [INFO] [stdout] | ^^^ second mutable borrow occurs here [INFO] [stdout] ... [INFO] [stdout] 373 | 0 => q(arr), [INFO] [stdout] | - first borrow later captured here by closure [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0499]: cannot borrow `*rng` as mutable more than once at a time [INFO] [stdout] --> src/main.rs:370:36 [INFO] [stdout] | [INFO] [stdout] 368 | let q = random_quick_sort_build(rng); [INFO] [stdout] | --- first mutable borrow occurs here [INFO] [stdout] 369 | let s = random_shell_sort_build(rng); [INFO] [stdout] 370 | let h = random_heap_sort_build(rng); [INFO] [stdout] | ^^^ second mutable borrow occurs here [INFO] [stdout] ... [INFO] [stdout] 373 | 0 => q(arr), [INFO] [stdout] | - first borrow later captured here by closure [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0499`. [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0499`. [INFO] [stdout] [INFO] [stderr] error: could not compile `sorting_blackbox_id` (bin "sorting_blackbox_id") due to 3 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `sorting_blackbox_id` (bin "sorting_blackbox_id" test) due to 3 previous errors [INFO] running `Command { std: "docker" "inspect" "7478c3a646330faa9aa7e6efd5b7b5f6e5e6f609bbdb5b4ee2d6d45b284b74a2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7478c3a646330faa9aa7e6efd5b7b5f6e5e6f609bbdb5b4ee2d6d45b284b74a2", kill_on_drop: false }` [INFO] [stdout] 7478c3a646330faa9aa7e6efd5b7b5f6e5e6f609bbdb5b4ee2d6d45b284b74a2