[INFO] cloning repository https://github.com/dylanalvarez/tp3_concurrentes
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dylanalvarez/tp3_concurrentes" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdylanalvarez%2Ftp3_concurrentes", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdylanalvarez%2Ftp3_concurrentes'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4ece3569d4d60b976ed1d2320a4bd3c5f0ab5103
[INFO] testing dylanalvarez/tp3_concurrentes against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdylanalvarez%2Ftp3_concurrentes" "/workspace/builds/worker-18/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-18/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dylanalvarez/tp3_concurrentes on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dylanalvarez/tp3_concurrentes
[INFO] finished tweaking git repo https://github.com/dylanalvarez/tp3_concurrentes
[INFO] tweaked toml for git repo https://github.com/dylanalvarez/tp3_concurrentes written to /workspace/builds/worker-18/source/Cargo.toml
[INFO] crate git repo https://github.com/dylanalvarez/tp3_concurrentes already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a534392ab41bd41f385dae4f1dd815a28a5a8fd55dfdda96fa22883a9e737f6a
[INFO] running `Command { std: "docker" "start" "-a" "a534392ab41bd41f385dae4f1dd815a28a5a8fd55dfdda96fa22883a9e737f6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a534392ab41bd41f385dae4f1dd815a28a5a8fd55dfdda96fa22883a9e737f6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a534392ab41bd41f385dae4f1dd815a28a5a8fd55dfdda96fa22883a9e737f6a", kill_on_drop: false }`
[INFO] [stdout] a534392ab41bd41f385dae4f1dd815a28a5a8fd55dfdda96fa22883a9e737f6a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 87df82aba37b2ad92d706c48950823a37e3416c36a8d69d48aea5234cbe8f739
[INFO] running `Command { std: "docker" "start" "-a" "87df82aba37b2ad92d706c48950823a37e3416c36a8d69d48aea5234cbe8f739", kill_on_drop: false }`
[INFO] [stderr]    Compiling tp3_concurrentes v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.34s
[INFO] running `Command { std: "docker" "inspect" "87df82aba37b2ad92d706c48950823a37e3416c36a8d69d48aea5234cbe8f739", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87df82aba37b2ad92d706c48950823a37e3416c36a8d69d48aea5234cbe8f739", kill_on_drop: false }`
[INFO] [stdout] 87df82aba37b2ad92d706c48950823a37e3416c36a8d69d48aea5234cbe8f739
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ccbf988883be3891b97a5aede81f5fe4ca89c00c72721432a1b24831df53963d
[INFO] running `Command { std: "docker" "start" "-a" "ccbf988883be3891b97a5aede81f5fe4ca89c00c72721432a1b24831df53963d", kill_on_drop: false }`
[INFO] [stderr]    Compiling tp3_concurrentes v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/blockchain_message.rs:93:13
[INFO] [stdout]    |
[INFO] [stdout] 93 |         let mut blockchain = Blockchain::new();
[INFO] [stdout]    |             ----^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/blockchain_message.rs:102:13
[INFO] [stdout]     |
[INFO] [stdout] 102 |         let mut expected = Blockchain::new();
[INFO] [stdout]     |             ----^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.69s
[INFO] running `Command { std: "docker" "inspect" "ccbf988883be3891b97a5aede81f5fe4ca89c00c72721432a1b24831df53963d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccbf988883be3891b97a5aede81f5fe4ca89c00c72721432a1b24831df53963d", kill_on_drop: false }`
[INFO] [stdout] ccbf988883be3891b97a5aede81f5fe4ca89c00c72721432a1b24831df53963d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b679f531623ffa61155b7441cc18dcdea67a8dde862baab331f98fcae167d015
[INFO] running `Command { std: "docker" "start" "-a" "b679f531623ffa61155b7441cc18dcdea67a8dde862baab331f98fcae167d015", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/blockchain_message.rs:93:13
[INFO] [stderr]    |
[INFO] [stderr] 93 |         let mut blockchain = Blockchain::new();
[INFO] [stderr]    |             ----^^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/blockchain_message.rs:102:13
[INFO] [stderr]     |
[INFO] [stderr] 102 |         let mut expected = Blockchain::new();
[INFO] [stderr]     |             ----^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: `tp3_concurrentes` (bin "tp3_concurrentes" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tp3_concurrentes-d75242c38e9aa6cf)
[INFO] [stdout] 
[INFO] [stdout] running 25 tests
[INFO] [stdout] test acquire_message::tests::test_as_bytes ... ok
[INFO] [stdout] test add_grade_message::tests::test_from_coordinator_as_string ... ok
[INFO] [stdout] test add_grade_message::tests::test_from_coordinator_from_string ... ok
[INFO] [stdout] test add_grade_message::tests::test_none_from_string ... ok
[INFO] [stdout] test acquire_message::tests::from_bytes ... ok
[INFO] [stdout] test add_grade_message::tests::test_to_coordinator_as_string ... ok
[INFO] [stdout] test add_grade_message::tests::test_to_coordinator_from_string ... ok
[INFO] [stdout] test blockchain::tests::test_add_record_allows_for_invalid_blockchains ... ok
[INFO] [stdout] test blockchain::tests::test_add_record_needs_manual_hash_creation_for_valid_blockchains ... ok
[INFO] [stdout] test blockchain::tests::test_blockchain_hashes_are_recursive ... ok
[INFO] [stdout] test blockchain::tests::test_empty_blockchain_is_valid ... ok
[INFO] [stdout] test blockchain::tests::test_same_inputs_generate_same_outputs ... ok
[INFO] [stdout] test blockchain_message::tests::test_blockchain_result_as_string ... ok
[INFO] [stdout] test blockchain_message::tests::test_ask_for_blockchain_from_string ... ok
[INFO] [stdout] test blockchain_message::tests::test_blockchain_result_from_string ... ok
[INFO] [stdout] test blockchain_message::tests::test_ask_for_blockchain_as_string ... ok
[INFO] [stdout] test blockchain_message::tests::test_blockchain_result_multiple_records_as_string ... ok
[INFO] [stdout] test blockchain_message::tests::test_blockchain_result_multiple_records_from_string ... ok
[INFO] [stdout] test blockchain_message::tests::test_empty_blockchain_result_as_string ... ok
[INFO] [stdout] test blockchain_message::tests::test_empty_blockchain_result_from_string ... ok
[INFO] [stdout] test blockchain_message::tests::test_none_from_string ... ok
[INFO] [stdout] test election_message::tests::from_bytes ... ok
[INFO] [stdout] test blockchain::tests::test_add_grade_always_generates_valid_blockchains ... ok
[INFO] [stdout] test election_message::tests::test_as_bytes ... ok
[INFO] [stdout] test ip_parser::tests::test_parse_ip ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 25 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b679f531623ffa61155b7441cc18dcdea67a8dde862baab331f98fcae167d015", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b679f531623ffa61155b7441cc18dcdea67a8dde862baab331f98fcae167d015", kill_on_drop: false }`
[INFO] [stdout] b679f531623ffa61155b7441cc18dcdea67a8dde862baab331f98fcae167d015