[INFO] cloning repository https://github.com/equation-man/afritalk
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/equation-man/afritalk" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fequation-man%2Fafritalk", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fequation-man%2Fafritalk'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 955f450a6046634f207fcc1ee37428e291ff8d8c
[INFO] checking equation-man/afritalk against 4d7c0cd298ace72490220301fa543d63a154f8ce for pr-164789
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fequation-man%2Fafritalk" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/equation-man/afritalk
[INFO] finished tweaking git repo https://github.com/equation-man/afritalk
[INFO] tweaked toml for git repo https://github.com/equation-man/afritalk written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/equation-man/afritalk on toolchain 4d7c0cd298ace72490220301fa543d63a154f8ce
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d7c0cd298ace72490220301fa543d63a154f8ce" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/equation-man/afritalk 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" "+4d7c0cd298ace72490220301fa543d63a154f8ce" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking equation-man/afritalk against 4d7c0cd298ace72490220301fa543d63a154f8ce for pr-164789
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fequation-man%2Fafritalk" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/equation-man/afritalk
[INFO] finished tweaking git repo https://github.com/equation-man/afritalk
[INFO] tweaked toml for git repo https://github.com/equation-man/afritalk written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/equation-man/afritalk on toolchain 4d7c0cd298ace72490220301fa543d63a154f8ce
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d7c0cd298ace72490220301fa543d63a154f8ce" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/equation-man/afritalk 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" "+4d7c0cd298ace72490220301fa543d63a154f8ce" "fetch" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:c0af3998e971868164375a7dfb646c9933ddd1a3bdb00fa2041266763dc1eeab" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 528e0ad2e8c3a6e48fe5143be9b5c858592d1a9dd9fa1d7e5b89322dfd85a105
[INFO] running `Command { std: "docker" "start" "528e0ad2e8c3a6e48fe5143be9b5c858592d1a9dd9fa1d7e5b89322dfd85a105", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "528e0ad2e8c3a6e48fe5143be9b5c858592d1a9dd9fa1d7e5b89322dfd85a105", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "528e0ad2e8c3a6e48fe5143be9b5c858592d1a9dd9fa1d7e5b89322dfd85a105" "/opt/rustwide/cargo-home/bin/cargo" "+4d7c0cd298ace72490220301fa543d63a154f8ce" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "528e0ad2e8c3a6e48fe5143be9b5c858592d1a9dd9fa1d7e5b89322dfd85a105", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "528e0ad2e8c3a6e48fe5143be9b5c858592d1a9dd9fa1d7e5b89322dfd85a105" "/opt/rustwide/cargo-home/bin/cargo" "+4d7c0cd298ace72490220301fa543d63a154f8ce" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking utils v0.1.0 (/opt/rustwide/workdir/afritalk_utils)
[INFO] [stderr]     Checking main v0.1.0 (/opt/rustwide/workdir/main)
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]    --> afritalk_utils/src/utils.rs:128:9
[INFO] [stdout]     |
[INFO] [stdout] 128 |     for k in 1..no_of_cols {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]    --> afritalk_utils/src/utils.rs:140:9
[INFO] [stdout]     |
[INFO] [stdout] 140 |     for j in 0..(msg_mat.len()/no_of_cols)-1 {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `MatrixError` is never used
[INFO] [stdout]   --> afritalk_utils/src/utils.rs:94:6
[INFO] [stdout]    |
[INFO] [stdout] 94 | enum MatrixError {
[INFO] [stdout]    |      ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking encode_decode v0.1.0 (/opt/rustwide/workdir/encode_decode)
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]    --> afritalk_utils/src/utils.rs:128:9
[INFO] [stdout]     |
[INFO] [stdout] 128 |     for k in 1..no_of_cols {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]    --> afritalk_utils/src/utils.rs:140:9
[INFO] [stdout]     |
[INFO] [stdout] 140 |     for j in 0..(msg_mat.len()/no_of_cols)-1 {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> afritalk_utils/src/utils.rs:166:13
[INFO] [stdout]     |
[INFO] [stdout] 166 |         let mut dummy_encoder_mat = message_vector(&mut msg_numerals);
[INFO] [stdout]     |             ----^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> afritalk_utils/src/utils.rs:172:13
[INFO] [stdout]     |
[INFO] [stdout] 172 |         let mut mat_mul = matrix_mul(dummy_encoder_mat, msg_mat);
[INFO] [stdout]     |             ----^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `encoding_mat`
[INFO] [stdout]    --> afritalk_utils/src/utils.rs:159:13
[INFO] [stdout]     |
[INFO] [stdout] 159 |         let encoding_mat = encoding_test_mat();
[INFO] [stdout]     |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_encoding_mat`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `msg_to_vec`
[INFO] [stdout]    --> afritalk_utils/src/utils.rs:169:13
[INFO] [stdout]     |
[INFO] [stdout] 169 |         let msg_to_vec = msg_vec_to_mat(&mut msg_mat, 8);
[INFO] [stdout]     |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_msg_to_vec`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mat_mul`
[INFO] [stdout]    --> afritalk_utils/src/utils.rs:172:13
[INFO] [stdout]     |
[INFO] [stdout] 172 |         let mut mat_mul = matrix_mul(dummy_encoder_mat, msg_mat);
[INFO] [stdout]     |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mat_mul`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `MatrixError` is never used
[INFO] [stdout]   --> afritalk_utils/src/utils.rs:94:6
[INFO] [stdout]    |
[INFO] [stdout] 94 | enum MatrixError {
[INFO] [stdout]    |      ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `msg_mat` in this scope
[INFO] [stdout]   --> encode_decode/src/encodec.rs:25:48
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let mut mat_mul = matrix_mul(encoding_mat, msg_mat);
[INFO] [stdout]    |                                                ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `message_mat_to_chars` in this scope
[INFO] [stdout]   --> encode_decode/src/encodec.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     message_mat_to_chars(mat_mul, corresp_mat);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]    |
[INFO] [stdout]  2 + use utils::utils::message_mat_to_chars;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `utils::utils::DEFAULT_CORRESP`
[INFO] [stdout]  --> encode_decode/src/encodec.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use utils::utils::DEFAULT_CORRESP; 
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `encoding_test_mat`
[INFO] [stdout]  --> encode_decode/src/encodec.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     encoding_test_mat,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `msg_mat` in this scope
[INFO] [stdout]   --> encode_decode/src/encodec.rs:25:48
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let mut mat_mul = matrix_mul(encoding_mat, msg_mat);
[INFO] [stdout]    |                                                ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `message_mat_to_chars` in this scope
[INFO] [stdout]   --> encode_decode/src/encodec.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     message_mat_to_chars(mat_mul, corresp_mat);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]    |
[INFO] [stdout]  2 + use utils::utils::message_mat_to_chars;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `utils::utils::DEFAULT_CORRESP`
[INFO] [stdout]  --> encode_decode/src/encodec.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use utils::utils::DEFAULT_CORRESP; 
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `encoding_test_mat`
[INFO] [stdout]  --> encode_decode/src/encodec.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     encoding_test_mat,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> encode_decode/src/encodec.rs:34:101
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub fn decode(encoded_msg_matrix: Vec<usize>, decoding_mat: Vec<usize>, correspondence: &[char]) -> String {
[INFO] [stdout]    |        ------ implicitly returns `()` as its body has no tail or `return` expression                ^^^^^^ expected `String`, found `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> encode_decode/src/encodec.rs:34:101
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub fn decode(encoded_msg_matrix: Vec<usize>, decoding_mat: Vec<usize>, correspondence: &[char]) -> String {
[INFO] [stdout]    |        ------ implicitly returns `()` as its body has no tail or `return` expression                ^^^^^^ expected `String`, found `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0425.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this function takes 3 arguments but 0 arguments were supplied
[INFO] [stdout]   --> encode_decode/src/encodec.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 |         decode();
[INFO] [stdout]    |         ^^^^^^-- three arguments of type `Vec<usize>`, `Vec<usize>`, and `&[char]` are missing
[INFO] [stdout]    |
[INFO] [stdout] note: function defined here
[INFO] [stdout]   --> encode_decode/src/encodec.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub fn decode(encoded_msg_matrix: Vec<usize>, decoding_mat: Vec<usize>, correspondence: &[char]) -> String {
[INFO] [stdout]    |        ^^^^^^ ------------------------------  ------------------------  -----------------------
[INFO] [stdout] help: provide the arguments
[INFO] [stdout]    |
[INFO] [stdout] 52 |         decode(/* Vec<usize> */, /* Vec<usize> */, /* &[char] */);
[INFO] [stdout]    |                +++++++++++++++++++++++++++++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `msg`
[INFO] [stdout]   --> encode_decode/src/encodec.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 |         let msg = "Today is my favourite day. Tommorow will be another great day.".to_string();
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0061, E0308, E0425.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0061`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `encode_decode` (lib) due to 3 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `encode_decode` (lib test) due to 4 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "528e0ad2e8c3a6e48fe5143be9b5c858592d1a9dd9fa1d7e5b89322dfd85a105", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "528e0ad2e8c3a6e48fe5143be9b5c858592d1a9dd9fa1d7e5b89322dfd85a105", kill_on_drop: false }`
[INFO] [stdout] 528e0ad2e8c3a6e48fe5143be9b5c858592d1a9dd9fa1d7e5b89322dfd85a105
