[INFO] cloning repository https://github.com/asn-d6/blobbers
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/asn-d6/blobbers" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasn-d6%2Fblobbers", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasn-d6%2Fblobbers'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c64758226349f70a9674122422acb81529b51cac
[INFO] checking asn-d6/blobbers against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasn-d6%2Fblobbers" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/asn-d6/blobbers
[INFO] finished tweaking git repo https://github.com/asn-d6/blobbers
[INFO] tweaked toml for git repo https://github.com/asn-d6/blobbers written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/asn-d6/blobbers on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/asn-d6/blobbers 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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wyz v0.5.0
[INFO] [stderr]   Downloaded bitvec v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4df89102124965bd6724c1c6158385890b38b4d79c427b34fb5c17c254a51fc5
[INFO] running `Command { std: "docker" "start" "-a" "4df89102124965bd6724c1c6158385890b38b4d79c427b34fb5c17c254a51fc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4df89102124965bd6724c1c6158385890b38b4d79c427b34fb5c17c254a51fc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4df89102124965bd6724c1c6158385890b38b4d79c427b34fb5c17c254a51fc5", kill_on_drop: false }`
[INFO] [stdout] 4df89102124965bd6724c1c6158385890b38b4d79c427b34fb5c17c254a51fc5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a3a6a7f75052a4712c40bc9bdfb9e8d735699e5a2cda182a6953f2634d765ba8
[INFO] running `Command { std: "docker" "start" "-a" "a3a6a7f75052a4712c40bc9bdfb9e8d735699e5a2cda182a6953f2634d765ba8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling semver v1.0.7
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling syn v1.0.90
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking plotters-backend v0.3.2
[INFO] [stderr]    Compiling quote v1.0.17
[INFO] [stderr]     Checking crossbeam-channel v0.5.4
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking wyz v0.5.0
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking plotters-svg v0.3.1
[INFO] [stderr]     Checking bitvec v1.0.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]     Checking regex v1.5.5
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking plotters v0.3.1
[INFO] [stderr]     Checking rayon-core v1.9.1
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking criterion-plot v0.4.4
[INFO] [stderr]     Checking rayon v1.5.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]     Checking serde_json v1.0.79
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.3.5
[INFO] [stderr]     Checking blobbers v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant `FIELD_ELEMENTS_PER_BLOB` is never used
[INFO] [stdout]  --> src/packer_naive.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | const FIELD_ELEMENTS_PER_BLOB: usize = 1016;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MAX_BLOBS_PER_TX` is never used
[INFO] [stdout]  --> src/packer_naive.rs:8:7
[INFO] [stdout]   |
[INFO] [stdout] 8 | const MAX_BLOBS_PER_TX: usize = 2;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BYTES_PER_FIELD_ELEMENT` is never used
[INFO] [stdout]   --> src/packer_naive.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 | const BYTES_PER_FIELD_ELEMENT: usize = 32;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `USEFUL_BYTES_PER_FIELD_ELEMENT` is never used
[INFO] [stdout]   --> src/packer_naive.rs:12:7
[INFO] [stdout]    |
[INFO] [stdout] 12 | const USEFUL_BYTES_PER_FIELD_ELEMENT: usize = 31;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `USEFUL_BYTES_PER_BLOB` is never used
[INFO] [stdout]   --> src/packer_naive.rs:15:7
[INFO] [stdout]    |
[INFO] [stdout] 15 | const USEFUL_BYTES_PER_BLOB: usize = USEFUL_BYTES_PER_FIELD_ELEMENT * FIELD_ELEMENTS_PER_BLOB;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MAX_USEFUL_BYTES_PER_TX` is never used
[INFO] [stdout]   --> src/packer_naive.rs:17:11
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub const MAX_USEFUL_BYTES_PER_TX: usize = (USEFUL_BYTES_PER_BLOB * MAX_BLOBS_PER_TX) - 1;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BLOB_SIZE` is never used
[INFO] [stdout]   --> src/packer_naive.rs:19:7
[INFO] [stdout]    |
[INFO] [stdout] 19 | const BLOB_SIZE: usize = BYTES_PER_FIELD_ELEMENT * FIELD_ELEMENTS_PER_BLOB;
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Blob` is never used
[INFO] [stdout]   --> src/packer_naive.rs:22:6
[INFO] [stdout]    |
[INFO] [stdout] 22 | type Blob = [u8; BLOB_SIZE];
[INFO] [stdout]    |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `PackingError` is never used
[INFO] [stdout]   --> src/packer_naive.rs:27:10
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub enum PackingError {
[INFO] [stdout]    |          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_padded` is never used
[INFO] [stdout]   --> src/packer_naive.rs:35:4
[INFO] [stdout]    |
[INFO] [stdout] 35 | fn get_padded(data: &[u8], n_blobs: usize) -> Vec<u8> {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_blob` is never used
[INFO] [stdout]   --> src/packer_naive.rs:47:4
[INFO] [stdout]    |
[INFO] [stdout] 47 | fn get_blob(data: &[u8; USEFUL_BYTES_PER_BLOB]) -> Blob {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_blobs_from_data` is never used
[INFO] [stdout]   --> src/packer_naive.rs:65:8
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub fn get_blobs_from_data(data: &[u8]) -> Result<Vec<Blob>, PackingError> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MAX_BLOBS_PER_TX` is never used
[INFO] [stdout]  --> src/packer_tight.rs:8:7
[INFO] [stdout]   |
[INFO] [stdout] 8 | const MAX_BLOBS_PER_TX: usize = 2;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FIELD_ELEMENTS_PER_BLOB` is never used
[INFO] [stdout]   --> src/packer_tight.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 | const FIELD_ELEMENTS_PER_BLOB: usize = 4096;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `USEFUL_BYTES_PER_TIGHT_BLOB` is never used
[INFO] [stdout]   --> src/packer_tight.rs:13:7
[INFO] [stdout]    |
[INFO] [stdout] 13 | const USEFUL_BYTES_PER_TIGHT_BLOB: usize = (254 * FIELD_ELEMENTS_PER_BLOB) / 8; // 254 bits per field element
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MAX_TIGHT_USEFUL_BYTES_PER_TX` is never used
[INFO] [stdout]   --> src/packer_tight.rs:15:11
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub const MAX_TIGHT_USEFUL_BYTES_PER_TX: usize = (USEFUL_BYTES_PER_TIGHT_BLOB * MAX_BLOBS_PER_TX) - 1;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BYTES_PER_FIELD_ELEMENT` is never used
[INFO] [stdout]   --> src/packer_tight.rs:18:7
[INFO] [stdout]    |
[INFO] [stdout] 18 | const BYTES_PER_FIELD_ELEMENT: usize = 32;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BLOB_SIZE` is never used
[INFO] [stdout]   --> src/packer_tight.rs:20:7
[INFO] [stdout]    |
[INFO] [stdout] 20 | const BLOB_SIZE: usize = BYTES_PER_FIELD_ELEMENT * FIELD_ELEMENTS_PER_BLOB; // 32512
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Blob` is never used
[INFO] [stdout]   --> src/packer_tight.rs:23:6
[INFO] [stdout]    |
[INFO] [stdout] 23 | type Blob = [u8; BLOB_SIZE];
[INFO] [stdout]    |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `PackingError` is never used
[INFO] [stdout]   --> src/packer_tight.rs:28:10
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub enum PackingError {
[INFO] [stdout]    |          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_padded_tight` is never used
[INFO] [stdout]   --> src/packer_tight.rs:37:4
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn get_padded_tight(data: &[u8], n_blobs: usize) -> Vec<u8> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_packed_blob` is never used
[INFO] [stdout]   --> src/packer_tight.rs:49:4
[INFO] [stdout]    |
[INFO] [stdout] 49 | fn get_packed_blob(data: &[u8; USEFUL_BYTES_PER_TIGHT_BLOB]) -> Blob {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_blobs_from_data` is never used
[INFO] [stdout]   --> src/packer_tight.rs:68:8
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub fn get_blobs_from_data(data: &[u8]) -> Result<Vec<Blob>, PackingError> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> benches/perf_packing.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.29s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.5
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 9`
[INFO] running `Command { std: "docker" "inspect" "a3a6a7f75052a4712c40bc9bdfb9e8d735699e5a2cda182a6953f2634d765ba8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3a6a7f75052a4712c40bc9bdfb9e8d735699e5a2cda182a6953f2634d765ba8", kill_on_drop: false }`
[INFO] [stdout] a3a6a7f75052a4712c40bc9bdfb9e8d735699e5a2cda182a6953f2634d765ba8
