[INFO] fetching crate deeprust 0.1.0...
[INFO] checking deeprust-0.1.0 against try#1c5262aa6c045a581fb974488793f09ed51fc498 for pr-78376
[INFO] extracting crate deeprust 0.1.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate deeprust 0.1.0 on toolchain 1c5262aa6c045a581fb974488793f09ed51fc498
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "read-manifest" "--manifest-path" "Cargo.toml", 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-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 02a109a5839827f1d26458fabf9663ac2f713fff640f928ec17fe28fc5df91af
[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" "02a109a5839827f1d26458fabf9663ac2f713fff640f928ec17fe28fc5df91af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "02a109a5839827f1d26458fabf9663ac2f713fff640f928ec17fe28fc5df91af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02a109a5839827f1d26458fabf9663ac2f713fff640f928ec17fe28fc5df91af", kill_on_drop: false }`
[INFO] [stdout] 02a109a5839827f1d26458fabf9663ac2f713fff640f928ec17fe28fc5df91af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "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] 856f29acb98625ff17e5c0ac674527174972ec3a651d17a0bd0a4ba973cba8bd
[INFO] running `Command { std: "docker" "start" "-a" "856f29acb98625ff17e5c0ac674527174972ec3a651d17a0bd0a4ba973cba8bd", 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]     Checking deeprust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `int` is never read
[INFO] [stdout]   --> src/sgd/gradient.rs:59:28
[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] [stdout] warning: value assigned to `int` is never read
[INFO] [stdout]   --> src/sgd/gradient.rs:59:28
[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 2.38s
[INFO] running `Command { std: "docker" "inspect" "856f29acb98625ff17e5c0ac674527174972ec3a651d17a0bd0a4ba973cba8bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "856f29acb98625ff17e5c0ac674527174972ec3a651d17a0bd0a4ba973cba8bd", kill_on_drop: false }`
[INFO] [stdout] 856f29acb98625ff17e5c0ac674527174972ec3a651d17a0bd0a4ba973cba8bd