[INFO] fetching crate algebraics 0.2.0... [INFO] checking algebraics-0.2.0 against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056 [INFO] extracting crate algebraics 0.2.0 into /workspace/builds/worker-13/source [INFO] validating manifest of crates.io crate algebraics 0.2.0 on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate algebraics 0.2.0 [INFO] finished tweaking crates.io crate algebraics 0.2.0 [INFO] tweaked toml for crates.io crate algebraics 0.2.0 written to /workspace/builds/worker-13/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d7421a070103342e03fa5607f41b86c113323f4a7ab571e0fc54b7976c492153 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "d7421a070103342e03fa5607f41b86c113323f4a7ab571e0fc54b7976c492153", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d7421a070103342e03fa5607f41b86c113323f4a7ab571e0fc54b7976c492153", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d7421a070103342e03fa5607f41b86c113323f4a7ab571e0fc54b7976c492153", kill_on_drop: false }` [INFO] [stdout] d7421a070103342e03fa5607f41b86c113323f4a7ab571e0fc54b7976c492153 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "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" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a4decf86ea4a09afc7c36177934fc472760f49bbd04eb76342d57a488846a6f5 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "a4decf86ea4a09afc7c36177934fc472760f49bbd04eb76342d57a488846a6f5", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling libc v0.2.102 [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling num-bigint v0.2.6 [INFO] [stderr] Compiling num-rational v0.2.4 [INFO] [stderr] Checking rand v0.5.6 [INFO] [stderr] Checking algebraics v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field is never read: `minimal_polynomial` [INFO] [stdout] --> src/algebraic_numbers.rs:319:5 [INFO] [stdout] | [INFO] [stdout] 319 | minimal_polynomial: &'a Polynomial, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `minimal_polynomial` [INFO] [stdout] --> src/algebraic_numbers.rs:319:5 [INFO] [stdout] | [INFO] [stdout] 319 | minimal_polynomial: &'a Polynomial, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/quadratic_numbers.rs:957:46 [INFO] [stdout] | [INFO] [stdout] 957 | assert!((num - f).abs() < 1e-10, format!("{} != {}", num, f)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] = note: this usage of assert!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: the assert!() macro supports formatting, so there's no need for the format!() macro here [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 957 - assert!((num - f).abs() < 1e-10, format!("{} != {}", num, f)); [INFO] [stdout] 957 + assert!((num - f).abs() < 1e-10, "{} != {}", num, f); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/quadratic_numbers.rs:972:46 [INFO] [stdout] | [INFO] [stdout] 972 | assert!((num - f).abs() < 1e-10, format!("{} != {}", num, f)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of assert!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: the assert!() macro supports formatting, so there's no need for the format!() macro here [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 972 - assert!((num - f).abs() < 1e-10, format!("{} != {}", num, f)); [INFO] [stdout] 972 + assert!((num - f).abs() < 1e-10, "{} != {}", num, f); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 21.15s [INFO] running `Command { std: "docker" "inspect" "a4decf86ea4a09afc7c36177934fc472760f49bbd04eb76342d57a488846a6f5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a4decf86ea4a09afc7c36177934fc472760f49bbd04eb76342d57a488846a6f5", kill_on_drop: false }` [INFO] [stdout] a4decf86ea4a09afc7c36177934fc472760f49bbd04eb76342d57a488846a6f5