[INFO] cloning repository https://github.com/denys821/Rust-Euler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/denys821/Rust-Euler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdenys821%2FRust-Euler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdenys821%2FRust-Euler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4f289393003dbf57ec8bfe5610e50657822a11c1
[INFO] testing denys821/Rust-Euler against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdenys821%2FRust-Euler" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/denys821/Rust-Euler on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/denys821/Rust-Euler
[INFO] finished tweaking git repo https://github.com/denys821/Rust-Euler
[INFO] tweaked toml for git repo https://github.com/denys821/Rust-Euler written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/denys821/Rust-Euler already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 846b4660beab9522c9c9f89172196106a34b3ce4b628582caf3da76e6b0e1c4e
[INFO] running `Command { std: "docker" "start" "-a" "846b4660beab9522c9c9f89172196106a34b3ce4b628582caf3da76e6b0e1c4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "846b4660beab9522c9c9f89172196106a34b3ce4b628582caf3da76e6b0e1c4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "846b4660beab9522c9c9f89172196106a34b3ce4b628582caf3da76e6b0e1c4e", kill_on_drop: false }`
[INFO] [stdout] 846b4660beab9522c9c9f89172196106a34b3ce4b628582caf3da76e6b0e1c4e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1cecd7d7f7a5d1dceab57d0b3bd14d98d24294ea37614618b344d5f982b6cbe6
[INFO] running `Command { std: "docker" "start" "-a" "1cecd7d7f7a5d1dceab57d0b3bd14d98d24294ea37614618b344d5f982b6cbe6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling openssl v0.10.34
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]    Compiling gimli v0.24.0
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling rustc-demangle v0.1.19
[INFO] [stderr]    Compiling object v0.24.0
[INFO] [stderr]    Compiling openssl-probe v0.1.2
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling wildmatch v1.1.0
[INFO] [stderr]    Compiling union-find v0.3.2
[INFO] [stderr]    Compiling playing_card v0.0.1 (/opt/rustwide/workdir/pkg/playing_card)
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling topological-sort v0.1.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.4.0
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling openssl-sys v0.9.63
[INFO] [stderr]    Compiling backtrace v0.3.59
[INFO] [stderr]    Compiling iter v0.0.1 (/opt/rustwide/workdir/pkg/iter)
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling itertools v0.10.0
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling flate2 v1.0.20
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling polynomial v0.1.0
[INFO] [stderr]    Compiling term v0.7.0
[INFO] [stderr]    Compiling generic-matrix v0.1.0
[INFO] [stderr]    Compiling pretty_env_logger v0.4.0
[INFO] [stderr]    Compiling seq v0.0.1 (/opt/rustwide/workdir/pkg/seq)
[INFO] [stderr]    Compiling prime v0.0.1 (/opt/rustwide/workdir/pkg/prime)
[INFO] [stderr]    Compiling addr2line v0.15.1
[INFO] [stderr]    Compiling integer v0.0.1 (/opt/rustwide/workdir/pkg/integer)
[INFO] [stderr]    Compiling cont_frac v0.0.1 (/opt/rustwide/workdir/pkg/cont_frac)
[INFO] [stderr]    Compiling attohttpc v0.17.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling derive-try-from-primitive v1.0.0
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling ProjectEulerRust v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future
[INFO] [stdout]   --> src/bin/p088.rs:32:34
[INFO] [stdout]    |
[INFO] [stdout] 32 |         for n in min_n..prod_end.div_ceil(&prod_base) {
[INFO] [stdout]    |                                  ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]    = help: call with fully qualified syntax `num_integer::Integer::div_ceil(...)` to keep using the current method
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ProjectEulerRust`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name p098 --edition=2018 src/bin/p098.rs --error-format=json --json=diagnostic-rendered-ansi,future-incompat --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' -C metadata=b319763df0031f75 -C extra-filename=-b319763df0031f75 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern common=/opt/rustwide/target/debug/deps/libcommon-fb2b56b24fdbaa54.rlib --extern attohttpc=/opt/rustwide/target/debug/deps/libattohttpc-369224afb8c11d9f.rlib --extern cont_frac=/opt/rustwide/target/debug/deps/libcont_frac-3fd9f4fd34d42737.rlib --extern derive_try_from_primitive=/opt/rustwide/target/debug/deps/libderive_try_from_primitive-11198c15438128f2.so --extern failure=/opt/rustwide/target/debug/deps/libfailure-1a3ddf59ff98a641.rlib --extern failure_derive=/opt/rustwide/target/debug/deps/libfailure_derive-836dc30318558e86.so --extern generic_matrix=/opt/rustwide/target/debug/deps/libgeneric_matrix-a0f916e6f686dfdd.rlib --extern getopts=/opt/rustwide/target/debug/deps/libgetopts-ee88d1de90f562a0.rlib --extern glob=/opt/rustwide/target/debug/deps/libglob-743c85947d5fd325.rlib --extern integer=/opt/rustwide/target/debug/deps/libinteger-edf0860e444ea4e3.rlib --extern iter=/opt/rustwide/target/debug/deps/libiter-b37175b57d1eac24.rlib --extern itertools=/opt/rustwide/target/debug/deps/libitertools-12a97e7468ab58c1.rlib --extern num_bigint=/opt/rustwide/target/debug/deps/libnum_bigint-ad1f0bcfd8c9423e.rlib --extern num_integer=/opt/rustwide/target/debug/deps/libnum_integer-e373b441e1af7e26.rlib --extern num_iter=/opt/rustwide/target/debug/deps/libnum_iter-d60dcfa9401bc251.rlib --extern num_rational=/opt/rustwide/target/debug/deps/libnum_rational-361e8ca4c0a590b4.rlib --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-95a990f3e4d17866.rlib --extern playing_card=/opt/rustwide/target/debug/deps/libplaying_card-8da856fdd2cce5bd.rlib --extern polynomial=/opt/rustwide/target/debug/deps/libpolynomial-37a555bd9d79015e.rlib --extern pretty_env_logger=/opt/rustwide/target/debug/deps/libpretty_env_logger-aaf87346a4b79f77.rlib --extern prime=/opt/rustwide/target/debug/deps/libprime-48af6cb1e61afcee.rlib --extern seq=/opt/rustwide/target/debug/deps/libseq-e0e696fd0eabdd37.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-40873e36d5972f07.rlib --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-dcd60172af589e8b.rlib --extern term=/opt/rustwide/target/debug/deps/libterm-9ee6f962347519b0.rlib --extern topological_sort=/opt/rustwide/target/debug/deps/libtopological_sort-7e9248dc1de0c4f9.rlib --extern union_find=/opt/rustwide/target/debug/deps/libunion_find-a6f6b42c8b85ba00.rlib --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "1cecd7d7f7a5d1dceab57d0b3bd14d98d24294ea37614618b344d5f982b6cbe6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cecd7d7f7a5d1dceab57d0b3bd14d98d24294ea37614618b344d5f982b6cbe6", kill_on_drop: false }`
[INFO] [stdout] 1cecd7d7f7a5d1dceab57d0b3bd14d98d24294ea37614618b344d5f982b6cbe6