[INFO] fetching crate symbolic_polynomials 0.1.0... [INFO] testing symbolic_polynomials-0.1.0 against beta-2021-09-08 for beta-1.56-1 [INFO] extracting crate symbolic_polynomials 0.1.0 into /workspace/builds/worker-52/source [INFO] validating manifest of crates.io crate symbolic_polynomials 0.1.0 on toolchain beta-2021-09-08 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate symbolic_polynomials 0.1.0 [INFO] finished tweaking crates.io crate symbolic_polynomials 0.1.0 [INFO] tweaked toml for crates.io crate symbolic_polynomials 0.1.0 written to /workspace/builds/worker-52/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f49b95c363b5c3e3c4ac82d2488410b7c43d6e55387cba0469e27defcf4d1350 [INFO] running `Command { std: "docker" "start" "-a" "f49b95c363b5c3e3c4ac82d2488410b7c43d6e55387cba0469e27defcf4d1350", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f49b95c363b5c3e3c4ac82d2488410b7c43d6e55387cba0469e27defcf4d1350", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f49b95c363b5c3e3c4ac82d2488410b7c43d6e55387cba0469e27defcf4d1350", kill_on_drop: false }` [INFO] [stdout] f49b95c363b5c3e3c4ac82d2488410b7c43d6e55387cba0469e27defcf4d1350 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0c0a95bc882b0b3edd95d7a017e951411d23599528f614ab0bf0d32d11216b33 [INFO] running `Command { std: "docker" "start" "-a" "0c0a95bc882b0b3edd95d7a017e951411d23599528f614ab0bf0d32d11216b33", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Compiling num v0.1.42 [INFO] [stderr] Compiling symbolic_polynomials v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.53s [INFO] running `Command { std: "docker" "inspect" "0c0a95bc882b0b3edd95d7a017e951411d23599528f614ab0bf0d32d11216b33", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0c0a95bc882b0b3edd95d7a017e951411d23599528f614ab0bf0d32d11216b33", kill_on_drop: false }` [INFO] [stdout] 0c0a95bc882b0b3edd95d7a017e951411d23599528f614ab0bf0d32d11216b33 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4bab08cafb6da824a128fe3338db3d5237deac3b30523a0a114185f345efbaf5 [INFO] running `Command { std: "docker" "start" "-a" "4bab08cafb6da824a128fe3338db3d5237deac3b30523a0a114185f345efbaf5", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling symbolic_polynomials v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: type alias is never used: `TestPolynomial` [INFO] [stdout] --> tests/monomial.rs:6:1 [INFO] [stdout] | [INFO] [stdout] 6 | type TestPolynomial = Polynomial; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature 'int_roundings' [INFO] [stdout] --> tests/functions.rs:258:92 [INFO] [stdout] | [INFO] [stdout] 258 | let val3 = 5 * a_val * a_val * b_val * b_val * c_val * c_val + (a_val * b_val * b_val).div_floor(&2) + [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #88581 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> tests/functions.rs:258:102 [INFO] [stdout] | [INFO] [stdout] 258 | let val3 = 5 * a_val * a_val * b_val * b_val * c_val * c_val + (a_val * b_val * b_val).div_floor(&2) + [INFO] [stdout] | ^^ expected `i64`, found `&{integer}` [INFO] [stdout] | [INFO] [stdout] help: consider removing the borrow [INFO] [stdout] | [INFO] [stdout] 258 - let val3 = 5 * a_val * a_val * b_val * b_val * c_val * c_val + (a_val * b_val * b_val).div_floor(&2) + [INFO] [stdout] 258 + let val3 = 5 * a_val * a_val * b_val * b_val * c_val * c_val + (a_val * b_val * b_val).div_floor(2) + [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature 'int_roundings' [INFO] [stdout] --> tests/functions.rs:288:52 [INFO] [stdout] | [INFO] [stdout] 288 | let mut val2 = a_val * a_val + (c_val * c_val).div_floor(&6) + ::std::cmp::max(c_val * c_val, 12) + 2; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #88581 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> tests/functions.rs:288:62 [INFO] [stdout] | [INFO] [stdout] 288 | let mut val2 = a_val * a_val + (c_val * c_val).div_floor(&6) + ::std::cmp::max(c_val * c_val, 12) + 2; [INFO] [stdout] | ^^ expected `i64`, found `&{integer}` [INFO] [stdout] | [INFO] [stdout] help: consider removing the borrow [INFO] [stdout] | [INFO] [stdout] 288 - let mut val2 = a_val * a_val + (c_val * c_val).div_floor(&6) + ::std::cmp::max(c_val * c_val, 12) + 2; [INFO] [stdout] 288 + let mut val2 = a_val * a_val + (c_val * c_val).div_floor(6) + ::std::cmp::max(c_val * c_val, 12) + 2; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature 'int_roundings' [INFO] [stdout] --> tests/functions.rs:324:64 [INFO] [stdout] | [INFO] [stdout] 324 | let val2 = a_val * a_val * a_val + (b_val * b_val * b_val).div_floor(&3) - 10 - ::std::cmp::min(b_val * b_val, 17); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #88581 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> tests/functions.rs:324:74 [INFO] [stdout] | [INFO] [stdout] 324 | let val2 = a_val * a_val * a_val + (b_val * b_val * b_val).div_floor(&3) - 10 - ::std::cmp::min(b_val * b_val, 17); [INFO] [stdout] | ^^ expected `i64`, found `&{integer}` [INFO] [stdout] | [INFO] [stdout] help: consider removing the borrow [INFO] [stdout] | [INFO] [stdout] 324 - let val2 = a_val * a_val * a_val + (b_val * b_val * b_val).div_floor(&3) - 10 - ::std::cmp::min(b_val * b_val, 17); [INFO] [stdout] 324 + let val2 = a_val * a_val * a_val + (b_val * b_val * b_val).div_floor(3) - 10 - ::std::cmp::min(b_val * b_val, 17); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature 'int_roundings' [INFO] [stdout] --> tests/functions.rs:329:40 [INFO] [stdout] | [INFO] [stdout] 329 | let mut val3 = (7 * a_val * b_val).div_floor(&5) + a_val * c_val + b_val * c_val + 3 + [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #88581 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> tests/functions.rs:329:50 [INFO] [stdout] | [INFO] [stdout] 329 | let mut val3 = (7 * a_val * b_val).div_floor(&5) + a_val * c_val + b_val * c_val + 3 + [INFO] [stdout] | ^^ expected `i64`, found `&{integer}` [INFO] [stdout] | [INFO] [stdout] help: consider removing the borrow [INFO] [stdout] | [INFO] [stdout] 329 - let mut val3 = (7 * a_val * b_val).div_floor(&5) + a_val * c_val + b_val * c_val + 3 + [INFO] [stdout] 329 + let mut val3 = (7 * a_val * b_val).div_floor(5) + a_val * c_val + b_val * c_val + 3 + [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `num::Integer` [INFO] [stdout] --> tests/functions.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use num::Integer; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 8 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0308, E0658. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0308`. [INFO] [stdout] [INFO] [stderr] error: could not compile `symbolic_polynomials` due to 9 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "4bab08cafb6da824a128fe3338db3d5237deac3b30523a0a114185f345efbaf5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4bab08cafb6da824a128fe3338db3d5237deac3b30523a0a114185f345efbaf5", kill_on_drop: false }` [INFO] [stdout] 4bab08cafb6da824a128fe3338db3d5237deac3b30523a0a114185f345efbaf5