[INFO] cloning repository https://github.com/yukimura45z/pagerank-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yukimura45z/pagerank-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyukimura45z%2Fpagerank-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyukimura45z%2Fpagerank-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c069cea0ffa492f860ec7b4229e3e98da37698fa [INFO] testing yukimura45z/pagerank-rust against beta-2022-02-22 for beta-1.60-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyukimura45z%2Fpagerank-rust" "/workspace/builds/worker-58/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-58/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/yukimura45z/pagerank-rust on toolchain beta-2022-02-22 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/yukimura45z/pagerank-rust [INFO] finished tweaking git repo https://github.com/yukimura45z/pagerank-rust [INFO] tweaked toml for git repo https://github.com/yukimura45z/pagerank-rust written to /workspace/builds/worker-58/source/Cargo.toml [INFO] crate git repo https://github.com/yukimura45z/pagerank-rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5dc59bc6b3f5034af17be9ceaeb2fa5a206ae03b7eaabe0c33ff422f2efd2626 [INFO] running `Command { std: "docker" "start" "-a" "5dc59bc6b3f5034af17be9ceaeb2fa5a206ae03b7eaabe0c33ff422f2efd2626", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5dc59bc6b3f5034af17be9ceaeb2fa5a206ae03b7eaabe0c33ff422f2efd2626", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5dc59bc6b3f5034af17be9ceaeb2fa5a206ae03b7eaabe0c33ff422f2efd2626", kill_on_drop: false }` [INFO] [stdout] 5dc59bc6b3f5034af17be9ceaeb2fa5a206ae03b7eaabe0c33ff422f2efd2626 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] dae98a42880144166c39c1759c17a4382b1ec74a168a4225a9c4ed4232863137 [INFO] running `Command { std: "docker" "start" "-a" "dae98a42880144166c39c1759c17a4382b1ec74a168a4225a9c4ed4232863137", kill_on_drop: false }` [INFO] [stderr] Compiling pagerank-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: cannot borrow `score` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/lib.rs:33:8 [INFO] [stdout] | [INFO] [stdout] 31 | let dst_current_score = score.get(dst).unwrap_or(&0f64); [INFO] [stdout] | -------------- immutable borrow occurs here [INFO] [stdout] 32 | let src_current_score = current_score_vector.get(src).unwrap_or(&0f64); [INFO] [stdout] 33 | &score.insert(dst.to_string(), *dst_current_score + *src_current_score * *value); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | | [INFO] [stdout] | | immutable borrow later used here [INFO] [stdout] | mutable borrow occurs here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/lib.rs:33:7 [INFO] [stdout] | [INFO] [stdout] 33 | &score.insert(dst.to_string(), *dst_current_score + *src_current_score * *value); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 33 | let _ = &score.insert(dst.to_string(), *dst_current_score + *src_current_score * *value); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: erroneous constant used [INFO] [stdout] --> src/lib.rs:31:56 [INFO] [stdout] | [INFO] [stdout] 31 | let dst_current_score = score.get(dst).unwrap_or(&0f64); [INFO] [stdout] | ^^^^^ referenced constant has errors [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(const_err)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #71800 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: erroneous constant used [INFO] [stdout] --> src/lib.rs:32:71 [INFO] [stdout] | [INFO] [stdout] 32 | let src_current_score = current_score_vector.get(src).unwrap_or(&0f64); [INFO] [stdout] | ^^^^^ referenced constant has errors [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #71800 [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] thread 'rustc' panicked at 'Box', /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/compiler/rustc_errors/src/lib.rs:1106:9 [INFO] [stdout] error: internal compiler error: /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/compiler/rustc_codegen_ssa/src/mir/constant.rs:42:20: encountered bad ConstKind after monomorphizing: Error(DelaySpanBugEmitted(())) [INFO] [stdout] --> src/lib.rs:31:56 [INFO] [stdout] | [INFO] [stdout] 31 | let dst_current_score = score.get(dst).unwrap_or(&0f64); [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x7fba818e384c - std::backtrace_rs::backtrace::libunwind::trace::h02555d7ca8aa068a [INFO] [stderr] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5 [INFO] [stderr] 1: 0x7fba818e384c - std::backtrace_rs::backtrace::trace_unsynchronized::h8555a46024147da8 [INFO] [stderr] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x7fba818e384c - std::sys_common::backtrace::_print_fmt::h4c7f50b4f105da1e [INFO] [stderr] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/sys_common/backtrace.rs:66:5 [INFO] [stderr] 3: 0x7fba818e384c - ::fmt::ha305a40dbc030444 [INFO] [stderr] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/sys_common/backtrace.rs:45:22 [INFO] [stderr] 4: 0x7fba819432ec - core::fmt::write::hadd15acf4d6ce273 [INFO] [stderr] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/core/src/fmt/mod.rs:1190:17 [INFO] [stderr] 5: 0x7fba818d3a18 - std::io::Write::write_fmt::h0f87f6c0c21ec48a [INFO] [stderr] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/io/mod.rs:1657:15 [INFO] [stderr] 6: 0x7fba818e7817 - std::sys_common::backtrace::_print::h0dd5c0810675bd8c [INFO] [stderr] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/sys_common/backtrace.rs:48:5 [INFO] [stderr] 7: 0x7fba818e7817 - std::sys_common::backtrace::print::h20a2155fa0a22ca6 [INFO] [stderr] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/sys_common/backtrace.rs:35:9 [INFO] [stderr] 8: 0x7fba818e7817 - std::panicking::default_hook::{{closure}}::habb3b6f3ccdfe00a [INFO] [stderr] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panicking.rs:295:22 [INFO] [stderr] 9: 0x7fba818e74df - std::panicking::default_hook::h1c5cf4d5063a38e4 [INFO] [stderr] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panicking.rs:314:9 [INFO] [stderr] 10: 0x7fba82073d01 - rustc_driver[6bef90fb01cd5c5b]::DEFAULT_HOOK::{closure#0}::{closure#0} [INFO] [stderr] 11: 0x7fba818e80e5 - std::panicking::rust_panic_with_hook::hb5de7a3072d2cf59 [INFO] [stderr] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panicking.rs:702:17 [INFO] [stderr] 12: 0x7fba821a5d91 - std[f28d7f26b77e9927]::panicking::begin_panic::::{closure#0} [INFO] [stderr] 13: 0x7fba821a5b46 - std[f28d7f26b77e9927]::sys_common::backtrace::__rust_end_short_backtrace::::{closure#0}, !> [INFO] [stderr] 14: 0x7fba821d67ef - std[f28d7f26b77e9927]::panicking::begin_panic:: [INFO] [stderr] 15: 0x7fba821ecb6d - std[f28d7f26b77e9927]::panic::panic_any:: [INFO] [stderr] 16: 0x7fba821e9ca8 - ::span_bug:: [INFO] [stderr] 17: 0x7fba821e9980 - ::span_bug:: [INFO] [stderr] 18: 0x7fba821be6e8 - rustc_middle[35226b2a2d959981]::ty::context::tls::with_opt::::{closure#0}, ()> [INFO] [stderr] 19: 0x7fba821be9a0 - rustc_middle[35226b2a2d959981]::util::bug::opt_span_bug_fmt:: [INFO] [stderr] 20: 0x7fba821be96c - rustc_middle[35226b2a2d959981]::util::bug::span_bug_fmt:: [INFO] [stderr] 21: 0x7fba832f8659 - >::codegen_rvalue_operand [INFO] [stderr] 22: 0x7fba83300861 - rustc_codegen_ssa[97459cfbebab0e68]::mir::codegen_mir:: [INFO] [stderr] 23: 0x7fba832bd1e2 - rustc_codegen_llvm[b55d4a142e2be4d5]::base::compile_codegen_unit::module_codegen [INFO] [stderr] 24: 0x7fba83f45aa6 - >::with_task::> [INFO] [stderr] 25: 0x7fba83f432bf - rustc_codegen_llvm[b55d4a142e2be4d5]::base::compile_codegen_unit [INFO] [stderr] 26: 0x7fba83f71495 - rustc_codegen_ssa[97459cfbebab0e68]::base::codegen_crate:: [INFO] [stderr] 27: 0x7fba83f3207a - ::codegen_crate [INFO] [stderr] 28: 0x7fba83f23de7 - ::time::, rustc_interface[b2fc20e59d639e2e]::passes::start_codegen::{closure#0}> [INFO] [stderr] 29: 0x7fba83f0a336 - ::enter::<::ongoing_codegen::{closure#0}::{closure#0}, core[c37c5d1d9572cc31]::result::Result, rustc_errors[67cbba2d4402017b]::ErrorReported>> [INFO] [stderr] 30: 0x7fba83f006af - ::ongoing_codegen [INFO] [stderr] 31: 0x7fba83ed8183 - rustc_interface[b2fc20e59d639e2e]::interface::create_compiler_and_run::, rustc_driver[6bef90fb01cd5c5b]::run_compiler::{closure#1}> [INFO] [stderr] 32: 0x7fba83ebd804 - std[f28d7f26b77e9927]::sys_common::backtrace::__rust_begin_short_backtrace::, rustc_driver[6bef90fb01cd5c5b]::run_compiler::{closure#1}>::{closure#0}, core[c37c5d1d9572cc31]::result::Result<(), rustc_errors[67cbba2d4402017b]::ErrorReported>>::{closure#0}, core[c37c5d1d9572cc31]::result::Result<(), rustc_errors[67cbba2d4402017b]::ErrorReported>> [INFO] [stderr] 33: 0x7fba83ef0a99 - <::spawn_unchecked_, rustc_driver[6bef90fb01cd5c5b]::run_compiler::{closure#1}>::{closure#0}, core[c37c5d1d9572cc31]::result::Result<(), rustc_errors[67cbba2d4402017b]::ErrorReported>>::{closure#0}, core[c37c5d1d9572cc31]::result::Result<(), rustc_errors[67cbba2d4402017b]::ErrorReported>>::{closure#1} as core[c37c5d1d9572cc31]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0} [INFO] [stderr] 34: 0x7fba818f3bd3 - as core::ops::function::FnOnce>::call_once::h82a18723295373b7 [INFO] [stderr] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/alloc/src/boxed.rs:1854:9 [INFO] [stderr] 35: 0x7fba818f3bd3 - as core::ops::function::FnOnce>::call_once::h4b9b8634f7a2a5a4 [INFO] [stderr] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/alloc/src/boxed.rs:1854:9 [INFO] [stderr] 36: 0x7fba818f3bd3 - std::sys::unix::thread::Thread::new::thread_start::h3dc341aa024c6852 [INFO] [stderr] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/sys/unix/thread.rs:108:17 [INFO] [stderr] 37: 0x7fba81805609 - start_thread [INFO] [stderr] 38: 0x7fba8171f293 - clone [INFO] [stderr] 39: 0x0 - [INFO] [stderr] [INFO] [stderr] note: the compiler unexpectedly panicked. this is a bug. [INFO] [stderr] [INFO] [stderr] note: we would appreciate a bug report: https://github.com/rust-lang/rust/issues/new?labels=C-bug%2C+I-ICE%2C+T-compiler&template=ice.md [INFO] [stderr] [INFO] [stderr] note: rustc 1.60.0-beta.1 (0a4f984a8 2022-02-22) running on x86_64-unknown-linux-gnu [INFO] [stderr] [INFO] [stderr] note: compiler flags: --crate-type lib -C embed-bitcode=no -C debuginfo=2 [INFO] [stderr] [INFO] [stderr] note: some of the compiler flags provided by cargo are hidden [INFO] [stderr] [INFO] [stderr] query stack during panic: [INFO] [stderr] end of query stack [INFO] [stdout] error: aborting due to previous error; 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `pagerank-rust` due to previous error; 4 warnings emitted [INFO] running `Command { std: "docker" "inspect" "dae98a42880144166c39c1759c17a4382b1ec74a168a4225a9c4ed4232863137", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dae98a42880144166c39c1759c17a4382b1ec74a168a4225a9c4ed4232863137", kill_on_drop: false }` [INFO] [stdout] dae98a42880144166c39c1759c17a4382b1ec74a168a4225a9c4ed4232863137