[INFO] fetching crate neuroflow 0.1.3... [INFO] checking neuroflow-0.1.3 against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920 [INFO] extracting crate neuroflow 0.1.3 into /workspace/builds/worker-14/source [INFO] validating manifest of crates.io crate neuroflow 0.1.3 on toolchain 6f8a6450478f69b8510c8976ab6c2a70b3b0e47c [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate neuroflow 0.1.3 [INFO] finished tweaking crates.io crate neuroflow 0.1.3 [INFO] tweaked toml for crates.io crate neuroflow 0.1.3 written to /workspace/builds/worker-14/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0a74e77c6ca0dba243d8cd63c52c6111a6ec45661f961ff83d6cda1aec45b2e2 [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" "0a74e77c6ca0dba243d8cd63c52c6111a6ec45661f961ff83d6cda1aec45b2e2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0a74e77c6ca0dba243d8cd63c52c6111a6ec45661f961ff83d6cda1aec45b2e2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0a74e77c6ca0dba243d8cd63c52c6111a6ec45661f961ff83d6cda1aec45b2e2", kill_on_drop: false }` [INFO] [stdout] 0a74e77c6ca0dba243d8cd63c52c6111a6ec45661f961ff83d6cda1aec45b2e2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 8fb7428f6f0df5838f375d1c0f01ab4787a0b415c646719b6df748b52981231b [INFO] running `Command { std: "docker" "start" "-a" "8fb7428f6f0df5838f375d1c0f01ab4787a0b415c646719b6df748b52981231b", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.94 [INFO] [stderr] Compiling proc-macro2 v1.0.26 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling serde_derive v1.0.125 [INFO] [stderr] Compiling serde_json v1.0.64 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking regex-automata v0.1.9 [INFO] [stderr] Checking bincode v0.9.2 [INFO] [stderr] Checking bstr v0.2.16 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking csv v1.1.6 [INFO] [stderr] Compiling syn v1.0.72 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Checking neuroflow v0.1.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/data/mod.rs:113:61 [INFO] [stdout] | [INFO] [stdout] 113 | pub fn from_csv(file_path: &str) -> Result> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error` [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:140:18 [INFO] [stdout] | [INFO] [stdout] 140 | StdError(Box) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error` [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/data/mod.rs:113:61 [INFO] [stdout] | [INFO] [stdout] 113 | pub fn from_csv(file_path: &str) -> Result> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error` [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:140:18 [INFO] [stdout] | [INFO] [stdout] 140 | StdError(Box) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error` [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: unused variable: `nn` [INFO] [stdout] --> src/estimators/mod.rs:26:12 [INFO] [stdout] | [INFO] [stdout] 26 | pub fn OBS(nn: &super::FeedForward) { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_nn` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `obj` [INFO] [stdout] --> src/io/mod.rs:85:37 [INFO] [stdout] | [INFO] [stdout] 85 | pub fn to_json(obj: T) { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_obj` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> src/io/mod.rs:90:18 [INFO] [stdout] | [INFO] [stdout] 90 | pub fn from_json(s: &str){ [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `nn` [INFO] [stdout] --> src/estimators/mod.rs:26:12 [INFO] [stdout] | [INFO] [stdout] 26 | pub fn OBS(nn: &super::FeedForward) { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_nn` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `obj` [INFO] [stdout] --> src/io/mod.rs:85:37 [INFO] [stdout] | [INFO] [stdout] 85 | pub fn to_json(obj: T) { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_obj` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> src/io/mod.rs:90:18 [INFO] [stdout] | [INFO] [stdout] 90 | pub fn from_json(s: &str){ [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 33.05s [INFO] running `Command { std: "docker" "inspect" "8fb7428f6f0df5838f375d1c0f01ab4787a0b415c646719b6df748b52981231b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8fb7428f6f0df5838f375d1c0f01ab4787a0b415c646719b6df748b52981231b", kill_on_drop: false }` [INFO] [stdout] 8fb7428f6f0df5838f375d1c0f01ab4787a0b415c646719b6df748b52981231b