[INFO] cloning repository https://github.com/LNThanhNhan/near_test_homework
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LNThanhNhan/near_test_homework" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLNThanhNhan%2Fnear_test_homework", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLNThanhNhan%2Fnear_test_homework'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cdbd88b4510879bc8b4ea6c0546e6cf6a06281fc
[INFO] checking LNThanhNhan/near_test_homework against master#30840c53f414b753cb08f14620906572f88dda4b for pr-123531
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLNThanhNhan%2Fnear_test_homework" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] [stderr] Updating files:  47% (597/1250)
Updating files:  48% (600/1250)
Updating files:  49% (613/1250)
Updating files:  50% (625/1250)
Updating files:  51% (638/1250)
Updating files:  52% (650/1250)
Updating files:  53% (663/1250)
Updating files:  54% (675/1250)
Updating files:  55% (688/1250)
Updating files:  56% (700/1250)
Updating files:  57% (713/1250)
Updating files:  58% (725/1250)
Updating files:  59% (738/1250)
Updating files:  60% (750/1250)
Updating files:  61% (763/1250)
Updating files:  62% (775/1250)
Updating files:  63% (788/1250)
Updating files:  64% (800/1250)
Updating files:  65% (813/1250)
Updating files:  66% (825/1250)
Updating files:  67% (838/1250)
Updating files:  68% (850/1250)
Updating files:  69% (863/1250)
Updating files:  70% (875/1250)
Updating files:  71% (888/1250)
Updating files:  72% (900/1250)
Updating files:  73% (913/1250)
Updating files:  74% (925/1250)
Updating files:  75% (938/1250)
Updating files:  76% (950/1250)
Updating files:  77% (963/1250)
Updating files:  78% (975/1250)
Updating files:  79% (988/1250)
Updating files:  80% (1000/1250)
Updating files:  81% (1013/1250)
Updating files:  82% (1025/1250)
Updating files:  83% (1038/1250)
Updating files:  84% (1050/1250)
Updating files:  85% (1063/1250)
Updating files:  86% (1075/1250)
Updating files:  87% (1088/1250)
Updating files:  88% (1100/1250)
Updating files:  89% (1113/1250)
Updating files:  90% (1125/1250)
Updating files:  91% (1138/1250)
Updating files:  92% (1150/1250)
Updating files:  93% (1163/1250)
Updating files:  94% (1175/1250)
Updating files:  95% (1188/1250)
Updating files:  96% (1200/1250)
Updating files:  97% (1213/1250)
Updating files:  97% (1216/1250)
Updating files:  98% (1225/1250)
Updating files:  99% (1238/1250)
Updating files: 100% (1250/1250)
Updating files: 100% (1250/1250), done.
[INFO] validating manifest of git repo https://github.com/LNThanhNhan/near_test_homework on toolchain 30840c53f414b753cb08f14620906572f88dda4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30840c53f414b753cb08f14620906572f88dda4b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/LNThanhNhan/near_test_homework
[INFO] finished tweaking git repo https://github.com/LNThanhNhan/near_test_homework
[INFO] tweaked toml for git repo https://github.com/LNThanhNhan/near_test_homework written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/LNThanhNhan/near_test_homework 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" "+30840c53f414b753cb08f14620906572f88dda4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking LNThanhNhan/near_test_homework against try#18fb860b8a8e7ca508746882328061d0fe352543 for pr-123531
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLNThanhNhan%2Fnear_test_homework" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] [stderr] Updating files:  49% (615/1250)
Updating files:  50% (625/1250)
Updating files:  51% (638/1250)
Updating files:  52% (650/1250)
Updating files:  53% (663/1250)
Updating files:  54% (675/1250)
Updating files:  55% (688/1250)
Updating files:  56% (700/1250)
Updating files:  57% (713/1250)
Updating files:  58% (725/1250)
Updating files:  59% (738/1250)
Updating files:  60% (750/1250)
Updating files:  61% (763/1250)
Updating files:  62% (775/1250)
Updating files:  63% (788/1250)
Updating files:  64% (800/1250)
Updating files:  65% (813/1250)
Updating files:  66% (825/1250)
Updating files:  67% (838/1250)
Updating files:  68% (850/1250)
Updating files:  69% (863/1250)
Updating files:  70% (875/1250)
Updating files:  71% (888/1250)
Updating files:  72% (900/1250)
Updating files:  73% (913/1250)
Updating files:  74% (925/1250)
Updating files:  75% (938/1250)
Updating files:  76% (950/1250)
Updating files:  77% (963/1250)
Updating files:  78% (975/1250)
Updating files:  79% (988/1250)
Updating files:  80% (1000/1250)
Updating files:  81% (1013/1250)
Updating files:  82% (1025/1250)
Updating files:  83% (1038/1250)
Updating files:  84% (1050/1250)
Updating files:  85% (1063/1250)
Updating files:  86% (1075/1250)
Updating files:  87% (1088/1250)
Updating files:  88% (1100/1250)
Updating files:  89% (1113/1250)
Updating files:  90% (1125/1250)
Updating files:  91% (1138/1250)
Updating files:  92% (1150/1250)
Updating files:  93% (1163/1250)
Updating files:  94% (1175/1250)
Updating files:  95% (1188/1250)
Updating files:  96% (1200/1250)
Updating files:  97% (1213/1250)
Updating files:  97% (1219/1250)
Updating files:  98% (1225/1250)
Updating files:  99% (1238/1250)
Updating files: 100% (1250/1250)
Updating files: 100% (1250/1250), done.
[INFO] validating manifest of git repo https://github.com/LNThanhNhan/near_test_homework on toolchain 18fb860b8a8e7ca508746882328061d0fe352543
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+18fb860b8a8e7ca508746882328061d0fe352543" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/LNThanhNhan/near_test_homework
[INFO] finished tweaking git repo https://github.com/LNThanhNhan/near_test_homework
[INFO] tweaked toml for git repo https://github.com/LNThanhNhan/near_test_homework written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/LNThanhNhan/near_test_homework 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" "+18fb860b8a8e7ca508746882328061d0fe352543" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded near-vm-logic v2.0.0
[INFO] [stderr]   Downloaded near-runtime-fees v2.0.0
[INFO] [stderr]   Downloaded near-sdk v2.0.0
[INFO] [stderr]   Downloaded borsh-schema-derive-internal v0.7.1
[INFO] [stderr]   Downloaded borsh-derive-internal v0.7.1
[INFO] [stderr]   Downloaded borsh-derive v0.7.1
[INFO] [stderr]   Downloaded indexmap v1.5.1
[INFO] [stderr]   Downloaded near-sdk-core v2.0.0
[INFO] [stderr]   Downloaded near-sdk-macros v2.0.0
[INFO] [stderr]   Downloaded borsh v0.7.1
[INFO] [stderr]   Downloaded near-vm-errors v2.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+18fb860b8a8e7ca508746882328061d0fe352543" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5a306a465f1cf23d80e25c5c8e00a4559b6d573a7622587e92632ae2e1702ab8
[INFO] running `Command { std: "docker" "start" "-a" "5a306a465f1cf23d80e25c5c8e00a4559b6d573a7622587e92632ae2e1702ab8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a306a465f1cf23d80e25c5c8e00a4559b6d573a7622587e92632ae2e1702ab8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a306a465f1cf23d80e25c5c8e00a4559b6d573a7622587e92632ae2e1702ab8", kill_on_drop: false }`
[INFO] [stdout] 5a306a465f1cf23d80e25c5c8e00a4559b6d573a7622587e92632ae2e1702ab8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+18fb860b8a8e7ca508746882328061d0fe352543" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f04a20b2e35dc92df55e22b4ba8388200e344501f6ec1b5fa63b60444749c8ec
[INFO] running `Command { std: "docker" "start" "-a" "f04a20b2e35dc92df55e22b4ba8388200e344501f6ec1b5fa63b60444749c8ec", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking keccak v0.1.0
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]    Compiling wee_alloc v0.4.5
[INFO] [stderr]     Checking memory_units v0.4.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]     Checking bs58 v0.3.1
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]    Compiling indexmap v1.5.1
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking sha3 v0.8.2
[INFO] [stderr]    Compiling borsh-schema-derive-internal v0.7.1
[INFO] [stderr]    Compiling borsh-derive-internal v0.7.1
[INFO] [stderr]    Compiling near-sdk-core v2.0.0
[INFO] [stderr]    Compiling borsh-derive v0.7.1
[INFO] [stderr]    Compiling near-sdk-macros v2.0.0
[INFO] [stderr]     Checking borsh v0.7.1
[INFO] [stderr]     Checking near-runtime-fees v2.0.0
[INFO] [stderr]    Compiling near-rpc-error-core v0.1.0
[INFO] [stderr]    Compiling near-rpc-error-macro v0.1.0
[INFO] [stderr]     Checking near-vm-errors v2.0.0
[INFO] [stderr]     Checking near-vm-logic v2.0.0
[INFO] [stderr]     Checking near-sdk v2.0.0
[INFO] [stderr]     Checking voting-contract v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `HashMap` is imported redundantly
[INFO] [stdout]    --> src/lib.rs:141:9
[INFO] [stdout]     |
[INFO] [stdout] 138 |     use super::*;
[INFO] [stdout]     |         -------- the item `HashMap` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 141 |     use std::collections::HashMap;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.01s
[INFO] running `Command { std: "docker" "inspect" "f04a20b2e35dc92df55e22b4ba8388200e344501f6ec1b5fa63b60444749c8ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f04a20b2e35dc92df55e22b4ba8388200e344501f6ec1b5fa63b60444749c8ec", kill_on_drop: false }`
[INFO] [stdout] f04a20b2e35dc92df55e22b4ba8388200e344501f6ec1b5fa63b60444749c8ec