[INFO] fetching crate dumbnet 0.1.0... [INFO] testing dumbnet-0.1.0 against 1.60.0 for beta-1.61-1 [INFO] extracting crate dumbnet 0.1.0 into /workspace/builds/worker-109/source [INFO] validating manifest of crates.io crate dumbnet 0.1.0 on toolchain 1.60.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate dumbnet 0.1.0 [INFO] finished tweaking crates.io crate dumbnet 0.1.0 [INFO] tweaked toml for crates.io crate dumbnet 0.1.0 written to /workspace/builds/worker-109/source/Cargo.toml [INFO] crate crates.io crate dumbnet 0.1.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded getrandom v0.1.13 [INFO] [stderr] Downloaded rand_chacha v0.2.1 [INFO] [stderr] Downloaded wasi v0.7.0 [INFO] [stderr] Downloaded c2-chacha v0.2.3 [INFO] [stderr] Downloaded serde_derive v1.0.104 [INFO] [stderr] Downloaded libc v0.2.66 [INFO] [stderr] Downloaded either v1.5.3 [INFO] [stderr] Downloaded generic-array v0.13.2 [INFO] [stderr] Downloaded autocfg v0.1.7 [INFO] [stderr] Downloaded ppv-lite86 v0.2.6 [INFO] [stderr] Downloaded indicatif v0.13.0 [INFO] [stderr] Downloaded byteorder v1.3.2 [INFO] [stderr] Downloaded atty v0.2.13 [INFO] [stderr] Downloaded termios v0.3.1 [INFO] [stderr] Downloaded syn v1.0.11 [INFO] [stderr] Downloaded itertools v0.8.2 [INFO] [stderr] Downloaded unicode-xid v0.2.0 [INFO] [stderr] Downloaded typenum v1.11.2 [INFO] [stderr] Downloaded proc-macro2 v1.0.6 [INFO] [stderr] Downloaded serde v1.0.104 [INFO] [stderr] Downloaded console v0.9.1 [INFO] [stderr] Downloaded number_prefix v0.3.0 [INFO] [stderr] Downloaded num-traits v0.2.10 [INFO] [stderr] Downloaded quote v1.0.2 [INFO] [stderr] Downloaded regex v1.3.1 [INFO] [stderr] Downloaded bincode v1.2.1 [INFO] [stderr] Downloaded unicode-width v0.1.7 [INFO] [stderr] Downloaded rand v0.7.2 [INFO] [stderr] Downloaded clicolors-control v1.0.1 [INFO] [stderr] Downloaded regex-syntax v0.6.12 [INFO] [stderr] Downloaded numeric-array v0.4.2 [INFO] [stderr] Downloaded gnuplot v0.0.32 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6385729fc98b73d7cc8cbedd56d2d4027bdb5e6b206983069f0c3bbb575a9ca2 [INFO] running `Command { std: "docker" "start" "-a" "6385729fc98b73d7cc8cbedd56d2d4027bdb5e6b206983069f0c3bbb575a9ca2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6385729fc98b73d7cc8cbedd56d2d4027bdb5e6b206983069f0c3bbb575a9ca2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6385729fc98b73d7cc8cbedd56d2d4027bdb5e6b206983069f0c3bbb575a9ca2", kill_on_drop: false }` [INFO] [stdout] 6385729fc98b73d7cc8cbedd56d2d4027bdb5e6b206983069f0c3bbb575a9ca2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1f3e72e8a3b9176c31d07d8dce97fb6de505ac086e5a20f7b82f6e81e37901d6 [INFO] running `Command { std: "docker" "start" "-a" "1f3e72e8a3b9176c31d07d8dce97fb6de505ac086e5a20f7b82f6e81e37901d6", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Compiling getrandom v0.1.13 [INFO] [stderr] Compiling proc-macro2 v1.0.6 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling serde v1.0.104 [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling typenum v1.11.2 [INFO] [stderr] Compiling syn v1.0.11 [INFO] [stderr] Compiling ppv-lite86 v0.2.6 [INFO] [stderr] Compiling either v1.5.3 [INFO] [stderr] Compiling itertools v0.8.2 [INFO] [stderr] Compiling num-traits v0.2.10 [INFO] [stderr] Compiling c2-chacha v0.2.3 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling rand_chacha v0.2.1 [INFO] [stderr] Compiling rand v0.7.2 [INFO] [stderr] Compiling serde_derive v1.0.104 [INFO] [stderr] Compiling generic-array v0.13.2 [INFO] [stderr] Compiling numeric-array v0.4.2 [INFO] [stderr] Compiling dumbnet v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/lib.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(trait_alias)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/layers.rs:53:2 [INFO] [stdout] | [INFO] [stdout] 53 | /// number of inputs this layer takes [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 54 | Input: AL, [INFO] [stdout] | ----- rustdoc does not generate documentation for generic parameters [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_doc_comments)]` on by default [INFO] [stdout] = help: use `//` for a plain comment [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/layers.rs:55:2 [INFO] [stdout] | [INFO] [stdout] 55 | /// number of neurons this layer has [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 56 | Neurons: NL, [INFO] [stdout] | ------- rustdoc does not generate documentation for generic parameters [INFO] [stdout] | [INFO] [stdout] = help: use `//` for a plain comment [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/layers.rs:57:2 [INFO] [stdout] | [INFO] [stdout] 57 | /// number of neurons of the final layer [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 58 | FinalOut: AL, [INFO] [stdout] | -------- rustdoc does not generate documentation for generic parameters [INFO] [stdout] | [INFO] [stdout] = help: use `//` for a plain comment [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/layers.rs:59:2 [INFO] [stdout] | [INFO] [stdout] 59 | /// activation function [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 60 | A: Activation, [INFO] [stdout] | - rustdoc does not generate documentation for generic parameters [INFO] [stdout] | [INFO] [stdout] = help: use `//` for a plain comment [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 4 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 `dumbnet` due to 2 previous errors; 4 warnings emitted [INFO] running `Command { std: "docker" "inspect" "1f3e72e8a3b9176c31d07d8dce97fb6de505ac086e5a20f7b82f6e81e37901d6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1f3e72e8a3b9176c31d07d8dce97fb6de505ac086e5a20f7b82f6e81e37901d6", kill_on_drop: false }` [INFO] [stdout] 1f3e72e8a3b9176c31d07d8dce97fb6de505ac086e5a20f7b82f6e81e37901d6