[INFO] cloning repository https://github.com/mahendra-supraoracle/erasure-chunk
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mahendra-supraoracle/erasure-chunk" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmahendra-supraoracle%2Ferasure-chunk", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmahendra-supraoracle%2Ferasure-chunk'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 50e94127b92be44c5f360786d7f9f8f97daae53e
[INFO] checking mahendra-supraoracle/erasure-chunk against master#11ebe6512b4c77633c59f8dcdd421df3b79d1a9f for pr-103872
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmahendra-supraoracle%2Ferasure-chunk" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mahendra-supraoracle/erasure-chunk on toolchain 11ebe6512b4c77633c59f8dcdd421df3b79d1a9f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+11ebe6512b4c77633c59f8dcdd421df3b79d1a9f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mahendra-supraoracle/erasure-chunk
[INFO] finished tweaking git repo https://github.com/mahendra-supraoracle/erasure-chunk
[INFO] tweaked toml for git repo https://github.com/mahendra-supraoracle/erasure-chunk written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/mahendra-supraoracle/erasure-chunk already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+11ebe6512b4c77633c59f8dcdd421df3b79d1a9f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:83125433e4fff17b1ac56874832f668d9df75ee638575aca552b68e127bedee9" "/opt/rustwide/cargo-home/bin/cargo" "+11ebe6512b4c77633c59f8dcdd421df3b79d1a9f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e1993c7d9b8067fa58416ddd4b8511b5f3f37e23223f506662bd7b13ff484509
[INFO] running `Command { std: "docker" "start" "-a" "e1993c7d9b8067fa58416ddd4b8511b5f3f37e23223f506662bd7b13ff484509", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e1993c7d9b8067fa58416ddd4b8511b5f3f37e23223f506662bd7b13ff484509", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1993c7d9b8067fa58416ddd4b8511b5f3f37e23223f506662bd7b13ff484509", kill_on_drop: false }`
[INFO] [stdout] e1993c7d9b8067fa58416ddd4b8511b5f3f37e23223f506662bd7b13ff484509
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:83125433e4fff17b1ac56874832f668d9df75ee638575aca552b68e127bedee9" "/opt/rustwide/cargo-home/bin/cargo" "+11ebe6512b4c77633c59f8dcdd421df3b79d1a9f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1742c6d397d503c960f1020d8c8144ac7549d4e1451719129b3f1bd36dcce1e6
[INFO] running `Command { std: "docker" "start" "-a" "1742c6d397d503c960f1020d8c8144ac7549d4e1451719129b3f1bd36dcce1e6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling reed-solomon-erasure v4.0.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.15
[INFO] [stderr]     Checking smallvec v1.7.0
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking erasure-code v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `shards` is never read
[INFO] [stdout]   --> src/main.rs:19:17
[INFO] [stdout]    |
[INFO] [stdout] 19 |         let mut shards = Vec::<Vec<u8>>::with_capacity(13);
[INFO] [stdout]    |                 ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 84 |     let mut parity_shards = make_random_parity_shards!(per_chunk_size, k);                     // GENERATE 5 PARITY SHARD WITH 0's
[INFO] [stdout]    |                             --------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `make_random_parity_shards` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `time_taken`
[INFO] [stdout]    --> src/main.rs:150:9
[INFO] [stdout]     |
[INFO] [stdout] 150 |     let time_taken = (end - start) as f64 / 1_000_000_000.0;
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_time_taken`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `shards` is never read
[INFO] [stdout]   --> src/main.rs:19:17
[INFO] [stdout]    |
[INFO] [stdout] 19 |         let mut shards = Vec::<Vec<u8>>::with_capacity(13);
[INFO] [stdout]    |                 ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 84 |     let mut parity_shards = make_random_parity_shards!(per_chunk_size, k);                     // GENERATE 5 PARITY SHARD WITH 0's
[INFO] [stdout]    |                             --------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `make_random_parity_shards` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `time_taken`
[INFO] [stdout]    --> src/main.rs:150:9
[INFO] [stdout]     |
[INFO] [stdout] 150 |     let time_taken = (end - start) as f64 / 1_000_000_000.0;
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_time_taken`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.80s
[INFO] running `Command { std: "docker" "inspect" "1742c6d397d503c960f1020d8c8144ac7549d4e1451719129b3f1bd36dcce1e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1742c6d397d503c960f1020d8c8144ac7549d4e1451719129b3f1bd36dcce1e6", kill_on_drop: false }`
[INFO] [stdout] 1742c6d397d503c960f1020d8c8144ac7549d4e1451719129b3f1bd36dcce1e6