[INFO] fetching crate nrfind 1.0.3... [INFO] checking nrfind-1.0.3 against master#50e1dc1536264ab71c0850f346b12309477f29f7 for pr-85073 [INFO] extracting crate nrfind 1.0.3 into /workspace/builds/worker-0/source [INFO] validating manifest of crates.io crate nrfind 1.0.3 on toolchain 50e1dc1536264ab71c0850f346b12309477f29f7 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate nrfind 1.0.3 [INFO] finished tweaking crates.io crate nrfind 1.0.3 [INFO] tweaked toml for crates.io crate nrfind 1.0.3 written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate crates.io crate nrfind 1.0.3 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "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] 1c2bc32a344124012a9b6f814ac3830e260799a822eb8359b8b1a9b68d942968 [INFO] running `Command { std: "docker" "start" "-a" "1c2bc32a344124012a9b6f814ac3830e260799a822eb8359b8b1a9b68d942968", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1c2bc32a344124012a9b6f814ac3830e260799a822eb8359b8b1a9b68d942968", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1c2bc32a344124012a9b6f814ac3830e260799a822eb8359b8b1a9b68d942968", kill_on_drop: false }` [INFO] [stdout] 1c2bc32a344124012a9b6f814ac3830e260799a822eb8359b8b1a9b68d942968 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 85e9d536220c5d18a32d3fe577658819989b57a439e13dca9c851a73b4b2941b [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" "85e9d536220c5d18a32d3fe577658819989b57a439e13dca9c851a73b4b2941b", kill_on_drop: false }` [INFO] [stderr] Checking nrfind v1.0.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:71:32 [INFO] [stdout] | [INFO] [stdout] 71 | pub fn find_root(function: &Fn(N) -> N, derivative: &Fn(N) -> N, x0: N, acceptable_err: N, max_iterations: i32) -> NumericSolutionResu... [INFO] [stdout] | ^^^^^^^^^^ help: use `dyn`: `dyn Fn(N) -> N` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:71:57 [INFO] [stdout] | [INFO] [stdout] 71 | pub fn find_root(function: &Fn(N) -> N, derivative: &Fn(N) -> N, x0: N, acceptable_err: N, max_iterations: i32) -> NumericSolutionResu... [INFO] [stdout] | ^^^^^^^^^^ help: use `dyn`: `dyn Fn(N) -> N` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:71:32 [INFO] [stdout] | [INFO] [stdout] 71 | pub fn find_root(function: &Fn(N) -> N, derivative: &Fn(N) -> N, x0: N, acceptable_err: N, max_iterations: i32) -> NumericSolutionResu... [INFO] [stdout] | ^^^^^^^^^^ help: use `dyn`: `dyn Fn(N) -> N` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:71:57 [INFO] [stdout] | [INFO] [stdout] 71 | pub fn find_root(function: &Fn(N) -> N, derivative: &Fn(N) -> N, x0: N, acceptable_err: N, max_iterations: i32) -> NumericSolutionResu... [INFO] [stdout] | ^^^^^^^^^^ help: use `dyn`: `dyn Fn(N) -> N` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: bounds on generic parameters are not enforced in type aliases [INFO] [stdout] --> src/lib.rs:30:35 [INFO] [stdout] | [INFO] [stdout] 30 | pub type NumericSolutionResult = Result; [INFO] [stdout] | ^^^^^ ^^^ ^^^ ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(type_alias_bounds)]` on by default [INFO] [stdout] help: the bound will not be checked when the type alias is used, and should be removed [INFO] [stdout] | [INFO] [stdout] 30 | pub type NumericSolutionResult = Result; [INFO] [stdout] | -- [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: bounds on generic parameters are not enforced in type aliases [INFO] [stdout] --> src/lib.rs:30:35 [INFO] [stdout] | [INFO] [stdout] 30 | pub type NumericSolutionResult = Result; [INFO] [stdout] | ^^^^^ ^^^ ^^^ ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(type_alias_bounds)]` on by default [INFO] [stdout] help: the bound will not be checked when the type alias is used, and should be removed [INFO] [stdout] | [INFO] [stdout] 30 | pub type NumericSolutionResult = Result; [INFO] [stdout] | -- [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.37s [INFO] running `Command { std: "docker" "inspect" "85e9d536220c5d18a32d3fe577658819989b57a439e13dca9c851a73b4b2941b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "85e9d536220c5d18a32d3fe577658819989b57a439e13dca9c851a73b4b2941b", kill_on_drop: false }` [INFO] [stdout] 85e9d536220c5d18a32d3fe577658819989b57a439e13dca9c851a73b4b2941b