[INFO] fetching crate deeprust 0.1.0...
[INFO] testing deeprust-0.1.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate deeprust 0.1.0 into /workspace/builds/worker-22/source
[INFO] validating manifest of crates.io crate deeprust 0.1.0 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate deeprust 0.1.0
[INFO] finished tweaking crates.io crate deeprust 0.1.0
[INFO] tweaked toml for crates.io crate deeprust 0.1.0 written to /workspace/builds/worker-22/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0ed45ebbd2a9b87493c6abc331b3dd9d8277c9febd9558e03ec708d45109a7ee
[INFO] running `Command { std: "docker" "start" "-a" "0ed45ebbd2a9b87493c6abc331b3dd9d8277c9febd9558e03ec708d45109a7ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0ed45ebbd2a9b87493c6abc331b3dd9d8277c9febd9558e03ec708d45109a7ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ed45ebbd2a9b87493c6abc331b3dd9d8277c9febd9558e03ec708d45109a7ee", kill_on_drop: false }`
[INFO] [stdout] 0ed45ebbd2a9b87493c6abc331b3dd9d8277c9febd9558e03ec708d45109a7ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 99534c79c46760d4db8af7a0b0e895c9eed6dd9f93284e81357247bd04729625
[INFO] running `Command { std: "docker" "start" "-a" "99534c79c46760d4db8af7a0b0e895c9eed6dd9f93284e81357247bd04729625", kill_on_drop: false }`
[INFO] [stderr]    Compiling deeprust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `int` is never read
[INFO] [stdout]   --> src/sgd/gradient.rs:59:32
[INFO] [stdout]    |
[INFO] [stdout] 59 |         let (mut int_0,mut int_1,mut int) = (0.0,0.0,0.0);
[INFO] [stdout]    |                                      ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> src/sgd/gradient.rs:60:7
[INFO] [stdout]    |
[INFO] [stdout] 60 |         for index in 0..2{
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `L2_reg` should have a snake case name
[INFO] [stdout]  --> src/lib.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub mod L2_reg;
[INFO] [stdout]   |         ^^^^^^ help: convert the identifier to snake case: `l2_reg`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "99534c79c46760d4db8af7a0b0e895c9eed6dd9f93284e81357247bd04729625", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99534c79c46760d4db8af7a0b0e895c9eed6dd9f93284e81357247bd04729625", kill_on_drop: false }`
[INFO] [stdout] 99534c79c46760d4db8af7a0b0e895c9eed6dd9f93284e81357247bd04729625
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7f8adf0a57b848a0c5bd0a9c971944eb173c975b7493b5a75bf93204f190e0cf
[INFO] running `Command { std: "docker" "start" "-a" "7f8adf0a57b848a0c5bd0a9c971944eb173c975b7493b5a75bf93204f190e0cf", kill_on_drop: false }`
[INFO] [stdout] warning: value assigned to `int` is never read
[INFO] [stdout]   --> src/sgd/gradient.rs:59:32
[INFO] [stdout]    |
[INFO] [stdout] 59 |         let (mut int_0,mut int_1,mut int) = (0.0,0.0,0.0);
[INFO] [stdout]    |                                      ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> src/sgd/gradient.rs:60:7
[INFO] [stdout]    |
[INFO] [stdout] 60 |         for index in 0..2{
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling deeprust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: module `L2_reg` should have a snake case name
[INFO] [stdout]  --> src/lib.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub mod L2_reg;
[INFO] [stdout]   |         ^^^^^^ help: convert the identifier to snake case: `l2_reg`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `int` is never read
[INFO] [stdout]   --> src/sgd/gradient.rs:59:32
[INFO] [stdout]    |
[INFO] [stdout] 59 |         let (mut int_0,mut int_1,mut int) = (0.0,0.0,0.0);
[INFO] [stdout]    |                                      ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> src/sgd/gradient.rs:60:7
[INFO] [stdout]    |
[INFO] [stdout] 60 |         for index in 0..2{
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `L2_reg` should have a snake case name
[INFO] [stdout]  --> src/lib.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub mod L2_reg;
[INFO] [stdout]   |         ^^^^^^ help: convert the identifier to snake case: `l2_reg`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "7f8adf0a57b848a0c5bd0a9c971944eb173c975b7493b5a75bf93204f190e0cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f8adf0a57b848a0c5bd0a9c971944eb173c975b7493b5a75bf93204f190e0cf", kill_on_drop: false }`
[INFO] [stdout] 7f8adf0a57b848a0c5bd0a9c971944eb173c975b7493b5a75bf93204f190e0cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b4838cf5113ead3d089ae23eff09634fb5292a7288aaa62a5211dbbd0e02cf5f
[INFO] running `Command { std: "docker" "start" "-a" "b4838cf5113ead3d089ae23eff09634fb5292a7288aaa62a5211dbbd0e02cf5f", kill_on_drop: false }`
[INFO] [stderr] warning: value assigned to `int` is never read
[INFO] [stderr]   --> src/sgd/gradient.rs:59:32
[INFO] [stderr]    |
[INFO] [stderr] 59 |         let (mut int_0,mut int_1,mut int) = (0.0,0.0,0.0);
[INFO] [stderr]    |                                      ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `index`
[INFO] [stderr]   --> src/sgd/gradient.rs:60:7
[INFO] [stderr]    |
[INFO] [stderr] 60 |         for index in 0..2{
[INFO] [stderr]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: module `L2_reg` should have a snake case name
[INFO] [stderr]  --> src/lib.rs:7:9
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub mod L2_reg;
[INFO] [stderr]   |         ^^^^^^ help: convert the identifier to snake case: `l2_reg`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `deeprust` (lib) generated 3 warnings
[INFO] [stderr] warning: `deeprust` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/deeprust-fad31f0ca462d578)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/deeprust-ebc59ece66f0f67c)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests deeprust
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b4838cf5113ead3d089ae23eff09634fb5292a7288aaa62a5211dbbd0e02cf5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4838cf5113ead3d089ae23eff09634fb5292a7288aaa62a5211dbbd0e02cf5f", kill_on_drop: false }`
[INFO] [stdout] b4838cf5113ead3d089ae23eff09634fb5292a7288aaa62a5211dbbd0e02cf5f