[INFO] cloning repository https://github.com/ChrisMeyering/rust_cryptochain
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ChrisMeyering/rust_cryptochain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChrisMeyering%2Frust_cryptochain", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChrisMeyering%2Frust_cryptochain'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 49cdb58e90519876bd371ad531adbd90dcc51275
[INFO] building ChrisMeyering/rust_cryptochain against try#334963c956d25708feab489a3816ae63f639355d for pr-135216
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChrisMeyering%2Frust_cryptochain" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ChrisMeyering/rust_cryptochain on toolchain 334963c956d25708feab489a3816ae63f639355d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ChrisMeyering/rust_cryptochain
[INFO] finished tweaking git repo https://github.com/ChrisMeyering/rust_cryptochain
[INFO] tweaked toml for git repo https://github.com/ChrisMeyering/rust_cryptochain written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/ChrisMeyering/rust_cryptochain 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" "+334963c956d25708feab489a3816ae63f639355d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b8b7101686bf6f28c64a9ffa8488f8762df03d1997ac89029f2d8d7be16c4811
[INFO] running `Command { std: "docker" "start" "-a" "b8b7101686bf6f28c64a9ffa8488f8762df03d1997ac89029f2d8d7be16c4811", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b8b7101686bf6f28c64a9ffa8488f8762df03d1997ac89029f2d8d7be16c4811", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8b7101686bf6f28c64a9ffa8488f8762df03d1997ac89029f2d8d7be16c4811", kill_on_drop: false }`
[INFO] [stdout] b8b7101686bf6f28c64a9ffa8488f8762df03d1997ac89029f2d8d7be16c4811
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a89a0ee8b45094a07cf659584ea7106b45d7c3ce97c6e959f28ee0096e9cc9d
[INFO] running `Command { std: "docker" "start" "-a" "7a89a0ee8b45094a07cf659584ea7106b45d7c3ce97c6e959f28ee0096e9cc9d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]    Compiling subtle v2.2.2
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling hex v0.4.2
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling sha2 v0.8.1
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling zeroize_derive v1.0.0
[INFO] [stderr]    Compiling zeroize v1.1.0
[INFO] [stderr]    Compiling curve25519-dalek v2.0.0
[INFO] [stderr]    Compiling x25519-dalek v0.6.0
[INFO] [stderr]    Compiling crypto v0.1.0 (/opt/rustwide/workdir/crypto)
[INFO] [stderr]    Compiling blockchain v0.1.0 (/opt/rustwide/workdir/blockchain)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.86s
[INFO] running `Command { std: "docker" "inspect" "7a89a0ee8b45094a07cf659584ea7106b45d7c3ce97c6e959f28ee0096e9cc9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a89a0ee8b45094a07cf659584ea7106b45d7c3ce97c6e959f28ee0096e9cc9d", kill_on_drop: false }`
[INFO] [stdout] 7a89a0ee8b45094a07cf659584ea7106b45d7c3ce97c6e959f28ee0096e9cc9d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ea935dfbe72e736afa06bc4640f325a3aad0ca2d86c3f702531dd50c70feb53
[INFO] running `Command { std: "docker" "start" "-a" "5ea935dfbe72e736afa06bc4640f325a3aad0ca2d86c3f702531dd50c70feb53", kill_on_drop: false }`
[INFO] [stderr]    Compiling crypto v0.1.0 (/opt/rustwide/workdir/crypto)
[INFO] [stderr]    Compiling blockchain v0.1.0 (/opt/rustwide/workdir/blockchain)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> blockchain/src/unit_tests/blockchain_test.rs:75:13
[INFO] [stdout]    |
[INFO] [stdout] 75 |         let mut data_map = Block::get_data_map(&timestamp, &last_hash, &data, nonce, difficulty); 
[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] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.21s
[INFO] running `Command { std: "docker" "inspect" "5ea935dfbe72e736afa06bc4640f325a3aad0ca2d86c3f702531dd50c70feb53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ea935dfbe72e736afa06bc4640f325a3aad0ca2d86c3f702531dd50c70feb53", kill_on_drop: false }`
[INFO] [stdout] 5ea935dfbe72e736afa06bc4640f325a3aad0ca2d86c3f702531dd50c70feb53
