[INFO] fetching crate vikos 0.3.1... [INFO] checking vikos-0.3.1 against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3 [INFO] extracting crate vikos 0.3.1 into /workspace/builds/worker-96/source [INFO] validating manifest of crates.io crate vikos 0.3.1 on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "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-96/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 625898254beb33934b2de675163457094656bc446aa0c51a2211672eec4fbae6 [INFO] running `Command { std: "docker" "start" "-a" "625898254beb33934b2de675163457094656bc446aa0c51a2211672eec4fbae6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "625898254beb33934b2de675163457094656bc446aa0c51a2211672eec4fbae6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "625898254beb33934b2de675163457094656bc446aa0c51a2211672eec4fbae6", kill_on_drop: false }` [INFO] [stdout] 625898254beb33934b2de675163457094656bc446aa0c51a2211672eec4fbae6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1bb69bbaf4b6294455939a3623e835640464f21635cd19c0b756fd15d5fda92c [INFO] running `Command { std: "docker" "start" "-a" "1bb69bbaf4b6294455939a3623e835640464f21635cd19c0b756fd15d5fda92c", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling proc-macro2 v1.0.28 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling serde v1.0.129 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling syn v1.0.75 [INFO] [stderr] Compiling serde_derive v1.0.129 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking regex-automata v0.1.10 [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-rational v0.2.4 [INFO] [stderr] Compiling num-complex v0.2.4 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking bstr v0.2.16 [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] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [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] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [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 18.88s [INFO] running `Command { std: "docker" "inspect" "1bb69bbaf4b6294455939a3623e835640464f21635cd19c0b756fd15d5fda92c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1bb69bbaf4b6294455939a3623e835640464f21635cd19c0b756fd15d5fda92c", kill_on_drop: false }` [INFO] [stdout] 1bb69bbaf4b6294455939a3623e835640464f21635cd19c0b756fd15d5fda92c