[INFO] fetching crate drug 0.0.2... [INFO] testing drug-0.0.2 against 1.49.0 for beta-1.50-1 [INFO] extracting crate drug 0.0.2 into /workspace/builds/worker-7/source [INFO] validating manifest of crates.io crate drug 0.0.2 on toolchain 1.49.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate drug 0.0.2 [INFO] finished tweaking crates.io crate drug 0.0.2 [INFO] tweaked toml for crates.io crate drug 0.0.2 written to /workspace/builds/worker-7/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ecbbcfd39996d7fdf5eeace7018c7bb6a8c026a1f0da19b12c70c282a5b1e867 [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" "ecbbcfd39996d7fdf5eeace7018c7bb6a8c026a1f0da19b12c70c282a5b1e867", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ecbbcfd39996d7fdf5eeace7018c7bb6a8c026a1f0da19b12c70c282a5b1e867", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ecbbcfd39996d7fdf5eeace7018c7bb6a8c026a1f0da19b12c70c282a5b1e867", kill_on_drop: false }` [INFO] [stdout] ecbbcfd39996d7fdf5eeace7018c7bb6a8c026a1f0da19b12c70c282a5b1e867 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2ee0f39c8e17a296830d01df971d8d897df56afd35e5c41cffbef007b52cce54 [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" "2ee0f39c8e17a296830d01df971d8d897df56afd35e5c41cffbef007b52cce54", kill_on_drop: false }` [INFO] [stderr] Compiling serde v1.0.118 [INFO] [stderr] Compiling matrixmultiply v0.1.15 [INFO] [stderr] Compiling unicode-xid v0.0.4 [INFO] [stderr] Compiling ndarray v0.11.2 [INFO] [stderr] Compiling quote v0.3.15 [INFO] [stderr] Compiling rand_core v0.4.2 [INFO] [stderr] Compiling rawpointer v0.1.0 [INFO] [stderr] Compiling itertools v0.7.11 [INFO] [stderr] Compiling num-traits v0.1.43 [INFO] [stderr] Compiling num-complex v0.1.43 [INFO] [stderr] Compiling synom v0.11.3 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling syn v0.11.11 [INFO] [stderr] Compiling rand v0.5.6 [INFO] [stderr] Compiling debug_stub_derive v0.3.0 [INFO] [stderr] Compiling erased-serde v0.3.13 [INFO] [stderr] Compiling drug v0.0.2 (/opt/rustwide/workdir) [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/lib.rs:31:1 [INFO] [stdout] | [INFO] [stdout] 31 | #![feature(test)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/graph.rs:36:24 [INFO] [stdout] | [INFO] [stdout] 36 | struct Initializer(Box<(Fn(&[usize]) -> ArrayD)>); [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/graph.rs:36:25 [INFO] [stdout] | [INFO] [stdout] 36 | struct Initializer(Box<(Fn(&[usize]) -> ArrayD)>); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&[usize]) -> ArrayD` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/graph.rs:73:33 [INFO] [stdout] | [INFO] [stdout] 73 | pub fn new(initializer: Box<(Fn(&[usize]) -> ArrayD)>, optimizer: Optimizer) -> Self { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/graph.rs:73:34 [INFO] [stdout] | [INFO] [stdout] 73 | pub fn new(initializer: Box<(Fn(&[usize]) -> ArrayD)>, optimizer: Optimizer) -> Self { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&[usize]) -> ArrayD` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/graph.rs:106:44 [INFO] [stdout] | [INFO] [stdout] 106 | pub fn input(&mut self, it: Option>>>) -> Idx { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/graph.rs:226:18 [INFO] [stdout] | [INFO] [stdout] 226 | new: Box>>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/nodes/mod.rs:56:24 [INFO] [stdout] | [INFO] [stdout] 56 | it: Option>>>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/nodes/mod.rs:87:24 [INFO] [stdout] | [INFO] [stdout] 87 | operation: Box, [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Operation` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/nodes/mod.rs:138:22 [INFO] [stdout] | [INFO] [stdout] 138 | impl Default for Box { [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Operation` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: could not compile `drug` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `Command { std: "docker" "inspect" "2ee0f39c8e17a296830d01df971d8d897df56afd35e5c41cffbef007b52cce54", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2ee0f39c8e17a296830d01df971d8d897df56afd35e5c41cffbef007b52cce54", kill_on_drop: false }` [INFO] [stdout] 2ee0f39c8e17a296830d01df971d8d897df56afd35e5c41cffbef007b52cce54