[INFO] cloning repository https://github.com/pebble8888/modular-polynomial [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pebble8888/modular-polynomial" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpebble8888%2Fmodular-polynomial", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpebble8888%2Fmodular-polynomial'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5a3c3a239d534a423869fb12f743e4aced35c02e [INFO] checking pebble8888/modular-polynomial against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpebble8888%2Fmodular-polynomial" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/pebble8888/modular-polynomial on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/pebble8888/modular-polynomial [INFO] finished tweaking git repo https://github.com/pebble8888/modular-polynomial [INFO] tweaked toml for git repo https://github.com/pebble8888/modular-polynomial written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/pebble8888/modular-polynomial 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded impl_ops v0.1.1 [INFO] [stderr] Downloaded primes v0.2.3 [INFO] [stderr] Downloaded num-bigint v0.2.2 [INFO] [stderr] Downloaded num v0.2.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ab96a6836050fbd48e940c1c9e45779851c632a13984d29225d98db70d2adbce [INFO] running `Command { std: "docker" "start" "-a" "ab96a6836050fbd48e940c1c9e45779851c632a13984d29225d98db70d2adbce", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ab96a6836050fbd48e940c1c9e45779851c632a13984d29225d98db70d2adbce", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ab96a6836050fbd48e940c1c9e45779851c632a13984d29225d98db70d2adbce", kill_on_drop: false }` [INFO] [stdout] ab96a6836050fbd48e940c1c9e45779851c632a13984d29225d98db70d2adbce [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4dacdca5074992f2f7c206622846618d502b2ed84e76c064849a521f9c5161e8 [INFO] running `Command { std: "docker" "start" "-a" "4dacdca5074992f2f7c206622846618d502b2ed84e76c064849a521f9c5161e8", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v0.1.4 [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Compiling num-bigint v0.2.2 [INFO] [stderr] Checking primes v0.2.3 [INFO] [stderr] Checking impl_ops v0.1.1 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking rand_jitter v0.1.4 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling num-iter v0.1.39 [INFO] [stderr] Compiling num-rational v0.2.2 [INFO] [stderr] Compiling num-complex v0.2.3 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking num v0.2.0 [INFO] [stderr] Checking ellipticcurve v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `primes` is imported redundantly [INFO] [stdout] --> src/modular_polynomial.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use primes; [INFO] [stdout] | ^^^^^^ the item `primes` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: a method with this name may be added to the standard library in the future [INFO] [stdout] --> src/polynomial.rs:538:34 [INFO] [stdout] | [INFO] [stdout] 538 | let y = u.ypow().div_floor(&2); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [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 [INFO] [stdout] = help: call with fully qualified syntax `num_integer::Integer::div_floor(...)` to keep using the current method [INFO] [stdout] = note: `#[warn(unstable_name_collisions)]` on by default [INFO] [stdout] help: add `#![feature(int_roundings)]` to the crate attributes to enable `core::num::::div_floor` [INFO] [stdout] --> src/lib.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 + #![feature(int_roundings)] [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: a method with this name may be added to the standard library in the future [INFO] [stdout] --> src/polynomial.rs:564:34 [INFO] [stdout] | [INFO] [stdout] 564 | let y = u.ypow().div_floor(&2); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [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 [INFO] [stdout] = help: call with fully qualified syntax `num_integer::Integer::div_floor(...)` to keep using the current method [INFO] [stdout] help: add `#![feature(int_roundings)]` to the crate attributes to enable `core::num::::div_floor` [INFO] [stdout] --> src/lib.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 + #![feature(int_roundings)] [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `primes` is imported redundantly [INFO] [stdout] --> src/modular_polynomial.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use primes; [INFO] [stdout] | ^^^^^^ the item `primes` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: a method with this name may be added to the standard library in the future [INFO] [stdout] --> src/division_polynomial.rs:37:25 [INFO] [stdout] | [INFO] [stdout] 37 | let m = (n - 1).div_floor(&2); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [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 [INFO] [stdout] = help: call with fully qualified syntax `num_integer::Integer::div_floor(...)` to keep using the current method [INFO] [stdout] help: add `#![feature(int_roundings)]` to the crate attributes to enable `core::num::::div_floor` [INFO] [stdout] --> src/lib.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 + #![feature(int_roundings)] [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: a method with this name may be added to the standard library in the future [INFO] [stdout] --> src/division_polynomial.rs:45:19 [INFO] [stdout] | [INFO] [stdout] 45 | let m = n.div_floor(&2); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [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 [INFO] [stdout] = help: call with fully qualified syntax `num_integer::Integer::div_floor(...)` to keep using the current method [INFO] [stdout] help: add `#![feature(int_roundings)]` to the crate attributes to enable `core::num::::div_floor` [INFO] [stdout] --> src/lib.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 + #![feature(int_roundings)] [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: a method with this name may be added to the standard library in the future [INFO] [stdout] --> src/polynomial.rs:538:34 [INFO] [stdout] | [INFO] [stdout] 538 | let y = u.ypow().div_floor(&2); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [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 [INFO] [stdout] = help: call with fully qualified syntax `num_integer::Integer::div_floor(...)` to keep using the current method [INFO] [stdout] = note: `#[warn(unstable_name_collisions)]` on by default [INFO] [stdout] help: add `#![feature(int_roundings)]` to the crate attributes to enable `core::num::::div_floor` [INFO] [stdout] --> src/lib.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 + #![feature(int_roundings)] [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: a method with this name may be added to the standard library in the future [INFO] [stdout] --> src/polynomial.rs:564:34 [INFO] [stdout] | [INFO] [stdout] 564 | let y = u.ypow().div_floor(&2); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [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 [INFO] [stdout] = help: call with fully qualified syntax `num_integer::Integer::div_floor(...)` to keep using the current method [INFO] [stdout] help: add `#![feature(int_roundings)]` to the crate attributes to enable `core::num::::div_floor` [INFO] [stdout] --> src/lib.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 + #![feature(int_roundings)] [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: a method with this name may be added to the standard library in the future [INFO] [stdout] --> src/division_polynomial.rs:37:25 [INFO] [stdout] | [INFO] [stdout] 37 | let m = (n - 1).div_floor(&2); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [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 [INFO] [stdout] = help: call with fully qualified syntax `num_integer::Integer::div_floor(...)` to keep using the current method [INFO] [stdout] help: add `#![feature(int_roundings)]` to the crate attributes to enable `core::num::::div_floor` [INFO] [stdout] --> src/lib.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 + #![feature(int_roundings)] [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: a method with this name may be added to the standard library in the future [INFO] [stdout] --> src/division_polynomial.rs:45:19 [INFO] [stdout] | [INFO] [stdout] 45 | let m = n.div_floor(&2); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [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 [INFO] [stdout] = help: call with fully qualified syntax `num_integer::Integer::div_floor(...)` to keep using the current method [INFO] [stdout] help: add `#![feature(int_roundings)]` to the crate attributes to enable `core::num::::div_floor` [INFO] [stdout] --> src/lib.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 + #![feature(int_roundings)] [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.10s [INFO] running `Command { std: "docker" "inspect" "4dacdca5074992f2f7c206622846618d502b2ed84e76c064849a521f9c5161e8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4dacdca5074992f2f7c206622846618d502b2ed84e76c064849a521f9c5161e8", kill_on_drop: false }` [INFO] [stdout] 4dacdca5074992f2f7c206622846618d502b2ed84e76c064849a521f9c5161e8