[INFO] cloning repository https://github.com/egolabs-ai/ein-lang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/egolabs-ai/ein-lang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fegolabs-ai%2Fein-lang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fegolabs-ai%2Fein-lang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a18a66195dd390ec3ba06b89fa03be3ce9e6add5
[INFO] checking egolabs-ai/ein-lang against try#df1b9bf194c9183fb7c0604484171064069ce232 for pr-149195-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fegolabs-ai%2Fein-lang" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/egolabs-ai/ein-lang
[INFO] finished tweaking git repo https://github.com/egolabs-ai/ein-lang
[INFO] tweaked toml for git repo https://github.com/egolabs-ai/ein-lang written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/egolabs-ai/ein-lang on toolchain df1b9bf194c9183fb7c0604484171064069ce232
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+df1b9bf194c9183fb7c0604484171064069ce232" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/egolabs-ai/ein-lang already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+df1b9bf194c9183fb7c0604484171064069ce232" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking egolabs-ai/ein-lang against try#df1b9bf194c9183fb7c0604484171064069ce232 for pr-149195-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fegolabs-ai%2Fein-lang" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/egolabs-ai/ein-lang
[INFO] finished tweaking git repo https://github.com/egolabs-ai/ein-lang
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[INFO] validating manifest of git repo https://github.com/egolabs-ai/ein-lang on toolchain df1b9bf194c9183fb7c0604484171064069ce232
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+df1b9bf194c9183fb7c0604484171064069ce232" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/egolabs-ai/ein-lang already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+df1b9bf194c9183fb7c0604484171064069ce232" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:29356a839a4d14451438f794ce8414e707d72405f44418718d724d22562fe786" "/opt/rustwide/cargo-home/bin/cargo" "+df1b9bf194c9183fb7c0604484171064069ce232" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:29356a839a4d14451438f794ce8414e707d72405f44418718d724d22562fe786" "/opt/rustwide/cargo-home/bin/cargo" "+df1b9bf194c9183fb7c0604484171064069ce232" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "2699c319cd1f36b3309444fc0d9af137166ff309f50163345144de40d6bddf76", kill_on_drop: false }`
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[INFO] [stdout] warning: unused variable: `num_entities`
[INFO] [stdout]     --> src/runtime/context.rs:1297:13
[INFO] [stdout]      |
[INFO] [stdout] 1297 |         let num_entities = self.num_entities();
[INFO] [stdout]      |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_entities`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num_entities`
[INFO] [stdout]     --> src/runtime/context.rs:1297:13
[INFO] [stdout]      |
[INFO] [stdout] 1297 |         let num_entities = self.num_entities();
[INFO] [stdout]      |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_entities`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]    --> src/main.rs:797:38
[INFO] [stdout]     |
[INFO] [stdout] 797 |                     let diff = match (&prev - curr) {
[INFO] [stdout]     |                                      ^            ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 797 -                     let diff = match (&prev - curr) {
[INFO] [stdout] 797 +                     let diff = match &prev - curr {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of an `unsafe` block
[INFO] [stdout]     --> src/main.rs:1394:5
[INFO] [stdout]      |
[INFO] [stdout] 1394 | /     unsafe {
[INFO] [stdout] 1395 | |         RNG_STATE = RNG_STATE.wrapping_add(seed);
[INFO] [stdout] 1396 | |         RNG_STATE = RNG_STATE.wrapping_mul(6364136223846793005).wrapping_add(1442695040888963407);
[INFO] [stdout] 1397 | |         let rand_val = (RNG_STATE >> 33) as f32 / (u32::MAX as f32);
[INFO] [stdout] ...    |
[INFO] [stdout] 1407 | |     }
[INFO] [stdout]      | |_____^
[INFO] [stdout]      |
[INFO] [stdout]      = note: requested on the command line with `-W unsafe-code`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_chain` is never used
[INFO] [stdout]   --> benches/embedding_bench.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn make_chain(n: usize) -> SparseBool {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]    --> src/main.rs:797:38
[INFO] [stdout]     |
[INFO] [stdout] 797 |                     let diff = match (&prev - curr) {
[INFO] [stdout]     |                                      ^            ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 797 -                     let diff = match (&prev - curr) {
[INFO] [stdout] 797 +                     let diff = match &prev - curr {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of an `unsafe` block
[INFO] [stdout]     --> src/main.rs:1394:5
[INFO] [stdout]      |
[INFO] [stdout] 1394 | /     unsafe {
[INFO] [stdout] 1395 | |         RNG_STATE = RNG_STATE.wrapping_add(seed);
[INFO] [stdout] 1396 | |         RNG_STATE = RNG_STATE.wrapping_mul(6364136223846793005).wrapping_add(1442695040888963407);
[INFO] [stdout] 1397 | |         let rand_val = (RNG_STATE >> 33) as f32 / (u32::MAX as f32);
[INFO] [stdout] ...    |
[INFO] [stdout] 1407 | |     }
[INFO] [stdout]      | |_____^
[INFO] [stdout]      |
[INFO] [stdout]      = note: requested on the command line with `-W unsafe-code`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num_entities`
[INFO] [stdout]    --> benches/fb15k237_bench.rs:196:9
[INFO] [stdout]     |
[INFO] [stdout] 196 |     let num_entities = entities.len();
[INFO] [stdout]     |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_entities`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `final_loss` is never read
[INFO] [stdout]     --> src/main.rs:1459:26
[INFO] [stdout]      |
[INFO] [stdout] 1459 |     let mut final_loss = 0.0f32;
[INFO] [stdout]      |                          ^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout]      = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `final_loss` is never read
[INFO] [stdout]     --> src/main.rs:1459:26
[INFO] [stdout]      |
[INFO] [stdout] 1459 |     let mut final_loss = 0.0f32;
[INFO] [stdout]      |                          ^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout]      = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.95s
[INFO] running `Command { std: "docker" "inspect" "2699c319cd1f36b3309444fc0d9af137166ff309f50163345144de40d6bddf76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2699c319cd1f36b3309444fc0d9af137166ff309f50163345144de40d6bddf76", kill_on_drop: false }`
[INFO] [stdout] 2699c319cd1f36b3309444fc0d9af137166ff309f50163345144de40d6bddf76