[INFO] fetching crate metaheuristics 1.0.15... [INFO] checking metaheuristics-1.0.15 against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781 [INFO] extracting crate metaheuristics 1.0.15 into /workspace/builds/worker-3/source [INFO] validating manifest of crates.io crate metaheuristics 1.0.15 on toolchain b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate metaheuristics 1.0.15 [INFO] finished tweaking crates.io crate metaheuristics 1.0.15 [INFO] tweaked toml for crates.io crate metaheuristics 1.0.15 written to /workspace/builds/worker-3/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 870593fec8780177a33e983d400460a4159b8a9eeab97d754111a93d17480261 [INFO] running `Command { std: "docker" "start" "-a" "870593fec8780177a33e983d400460a4159b8a9eeab97d754111a93d17480261", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "870593fec8780177a33e983d400460a4159b8a9eeab97d754111a93d17480261", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "870593fec8780177a33e983d400460a4159b8a9eeab97d754111a93d17480261", kill_on_drop: false }` [INFO] [stdout] 870593fec8780177a33e983d400460a4159b8a9eeab97d754111a93d17480261 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 881331bbdaa2fe50c3fa539fefc52a943aaa62a81cf7823130f81471fae43db1 [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" "881331bbdaa2fe50c3fa539fefc52a943aaa62a81cf7823130f81471fae43db1", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.89 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Checking metaheuristics v1.0.15 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/hill_climbing/random_restarts/mod.rs:44:31 [INFO] [stdout] | [INFO] [stdout] 44 | pub fn solve(problem: &mut Metaheuristics, runtime: Duration, probability: f64) -> T { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Metaheuristics` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/hill_climbing/mod.rs:39:31 [INFO] [stdout] | [INFO] [stdout] 39 | pub fn solve(problem: &mut Metaheuristics, runtime: Duration) -> T { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Metaheuristics` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/random_search/mod.rs:30:31 [INFO] [stdout] | [INFO] [stdout] 30 | pub fn solve(problem: &mut Metaheuristics, runtime: Duration) -> T { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Metaheuristics` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/simulated_annealing/mod.rs:64:31 [INFO] [stdout] | [INFO] [stdout] 64 | pub fn solve(problem: &mut Metaheuristics, runtime: Duration) -> T { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Metaheuristics` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/hill_climbing/random_restarts/mod.rs:44:31 [INFO] [stdout] | [INFO] [stdout] 44 | pub fn solve(problem: &mut Metaheuristics, runtime: Duration, probability: f64) -> T { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Metaheuristics` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/hill_climbing/mod.rs:39:31 [INFO] [stdout] | [INFO] [stdout] 39 | pub fn solve(problem: &mut Metaheuristics, runtime: Duration) -> T { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Metaheuristics` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/random_search/mod.rs:30:31 [INFO] [stdout] | [INFO] [stdout] 30 | pub fn solve(problem: &mut Metaheuristics, runtime: Duration) -> T { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Metaheuristics` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/simulated_annealing/mod.rs:64:31 [INFO] [stdout] | [INFO] [stdout] 64 | pub fn solve(problem: &mut Metaheuristics, runtime: Duration) -> T { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Metaheuristics` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4.23s [INFO] running `Command { std: "docker" "inspect" "881331bbdaa2fe50c3fa539fefc52a943aaa62a81cf7823130f81471fae43db1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "881331bbdaa2fe50c3fa539fefc52a943aaa62a81cf7823130f81471fae43db1", kill_on_drop: false }` [INFO] [stdout] 881331bbdaa2fe50c3fa539fefc52a943aaa62a81cf7823130f81471fae43db1