[INFO] fetching crate deeprust 0.1.0...
[INFO] testing deeprust-0.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate deeprust 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate deeprust 0.1.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1b8f55ed9f180999f7b9c58ffc2f501a35e1280c4367aacd0e504ce30acd456c
[INFO] running `Command { std: "docker" "start" "-a" "1b8f55ed9f180999f7b9c58ffc2f501a35e1280c4367aacd0e504ce30acd456c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b8f55ed9f180999f7b9c58ffc2f501a35e1280c4367aacd0e504ce30acd456c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b8f55ed9f180999f7b9c58ffc2f501a35e1280c4367aacd0e504ce30acd456c", kill_on_drop: false }`
[INFO] [stdout] 1b8f55ed9f180999f7b9c58ffc2f501a35e1280c4367aacd0e504ce30acd456c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8ca97faeaa5fc8d48f4e3403014617a3ca36f720b8242afaab20627b2febb715
[INFO] running `Command { std: "docker" "start" "-a" "8ca97faeaa5fc8d48f4e3403014617a3ca36f720b8242afaab20627b2febb715", 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 1.97s
[INFO] running `Command { std: "docker" "inspect" "8ca97faeaa5fc8d48f4e3403014617a3ca36f720b8242afaab20627b2febb715", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ca97faeaa5fc8d48f4e3403014617a3ca36f720b8242afaab20627b2febb715", kill_on_drop: false }`
[INFO] [stdout] 8ca97faeaa5fc8d48f4e3403014617a3ca36f720b8242afaab20627b2febb715
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 59c4ec77836f422aff2b9593bb3269486699d5cb435fedeec3e322ae69a26480
[INFO] running `Command { std: "docker" "start" "-a" "59c4ec77836f422aff2b9593bb3269486699d5cb435fedeec3e322ae69a26480", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] [stderr]    Compiling deeprust v0.1.0 (/opt/rustwide/workdir)
[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] [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 0.72s
[INFO] running `Command { std: "docker" "inspect" "59c4ec77836f422aff2b9593bb3269486699d5cb435fedeec3e322ae69a26480", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59c4ec77836f422aff2b9593bb3269486699d5cb435fedeec3e322ae69a26480", kill_on_drop: false }`
[INFO] [stdout] 59c4ec77836f422aff2b9593bb3269486699d5cb435fedeec3e322ae69a26480
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1f1e263775f514b0aff53823d73f252f3136cc6042dcf0dd2d73fab43c3587ee
[INFO] running `Command { std: "docker" "start" "-a" "1f1e263775f514b0aff53823d73f252f3136cc6042dcf0dd2d73fab43c3587ee", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: value assigned to `int` is never read
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/sgd/gradient.rs:59:32
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 59 |         let (mut int_0,mut int_1,mut int) = (0.0,0.0,0.0);
[INFO] [stdout] 
[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] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/deeprust-ebc59ece66f0f67c)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests deeprust
[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] [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" "1f1e263775f514b0aff53823d73f252f3136cc6042dcf0dd2d73fab43c3587ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f1e263775f514b0aff53823d73f252f3136cc6042dcf0dd2d73fab43c3587ee", kill_on_drop: false }`
[INFO] [stdout] 1f1e263775f514b0aff53823d73f252f3136cc6042dcf0dd2d73fab43c3587ee