[INFO] fetching crate vikos 0.3.1... [INFO] checking vikos-0.3.1 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141 [INFO] extracting crate vikos 0.3.1 into /workspace/builds/worker-75/source [INFO] validating manifest of crates.io crate vikos 0.3.1 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate vikos 0.3.1 [INFO] finished tweaking crates.io crate vikos 0.3.1 [INFO] tweaked toml for crates.io crate vikos 0.3.1 written to /workspace/builds/worker-75/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded num v0.2.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a63433039b56a3b3a477865b6d0d7ad4bca4459be6061fc22c654c1a76c28931 [INFO] running `Command { std: "docker" "start" "-a" "a63433039b56a3b3a477865b6d0d7ad4bca4459be6061fc22c654c1a76c28931", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a63433039b56a3b3a477865b6d0d7ad4bca4459be6061fc22c654c1a76c28931", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a63433039b56a3b3a477865b6d0d7ad4bca4459be6061fc22c654c1a76c28931", kill_on_drop: false }` [INFO] [stdout] a63433039b56a3b3a477865b6d0d7ad4bca4459be6061fc22c654c1a76c28931 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 03d9328d0086499e217179b5715f568ce20da432dd9da8f41ca76d67c8c8aa4d [INFO] running `Command { std: "docker" "start" "-a" "03d9328d0086499e217179b5715f568ce20da432dd9da8f41ca76d67c8c8aa4d", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling proc-macro2 v1.0.32 [INFO] [stderr] Compiling serde v1.0.130 [INFO] [stderr] Compiling syn v1.0.82 [INFO] [stderr] Compiling serde_derive v1.0.130 [INFO] [stderr] Compiling ryu v1.0.6 [INFO] [stderr] Checking itoa v0.4.8 [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-complex v0.2.4 [INFO] [stderr] Compiling num-rational v0.2.4 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Compiling quote v1.0.10 [INFO] [stderr] Checking bstr v0.2.17 [INFO] [stderr] Checking num v0.2.1 [INFO] [stderr] Checking csv v1.1.6 [INFO] [stderr] Checking vikos v0.3.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/cost.rs:78:9 [INFO] [stdout] | [INFO] [stdout] 78 | ((1.0 - truth) / (1.0 - prediction) - truth / prediction) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 78 - ((1.0 - truth) / (1.0 - prediction) - truth / prediction) [INFO] [stdout] 78 + (1.0 - truth) / (1.0 - prediction) - truth / prediction [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/cost.rs:78:9 [INFO] [stdout] | [INFO] [stdout] 78 | ((1.0 - truth) / (1.0 - prediction) - truth / prediction) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 78 - ((1.0 - truth) / (1.0 - prediction) - truth / prediction) [INFO] [stdout] 78 + (1.0 - truth) / (1.0 - prediction) - truth / prediction [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/cost.rs:117:40 [INFO] [stdout] | [INFO] [stdout] 117 | fn approx_derivate(cost: &Cost, prediction: f64, truth: T) -> f64 { [INFO] [stdout] | ^^^^^^^ help: use `dyn`: `dyn Cost` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/cost.rs:129:39 [INFO] [stdout] | [INFO] [stdout] 129 | fn check_derivate(cost: &Cost, prediction: f64, truth: T) -> f64 { [INFO] [stdout] | ^^^^^^^ help: use `dyn`: `dyn Cost` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 16.81s [INFO] running `Command { std: "docker" "inspect" "03d9328d0086499e217179b5715f568ce20da432dd9da8f41ca76d67c8c8aa4d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "03d9328d0086499e217179b5715f568ce20da432dd9da8f41ca76d67c8c8aa4d", kill_on_drop: false }` [INFO] [stdout] 03d9328d0086499e217179b5715f568ce20da432dd9da8f41ca76d67c8c8aa4d