[INFO] updating cached repository https://github.com/uma0317/Rust-BlockChain
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d9219a60ce1795e0ffb22b7bd7429b56a2dbf6ba
[INFO] testing uma0317/Rust-BlockChain against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fuma0317%2FRust-BlockChain" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/uma0317/Rust-BlockChain on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/uma0317/Rust-BlockChain
[INFO] finished tweaking git repo https://github.com/uma0317/Rust-BlockChain
[INFO] tweaked toml for git repo https://github.com/uma0317/Rust-BlockChain written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/uma0317/Rust-BlockChain already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d90a1a3ec59948d481aa7a89a5923902e8dac700ed58d0c32843ccdfadfccf8b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d90a1a3ec59948d481aa7a89a5923902e8dac700ed58d0c32843ccdfadfccf8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d90a1a3ec59948d481aa7a89a5923902e8dac700ed58d0c32843ccdfadfccf8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d90a1a3ec59948d481aa7a89a5923902e8dac700ed58d0c32843ccdfadfccf8b", kill_on_drop: false }`
[INFO] [stdout] d90a1a3ec59948d481aa7a89a5923902e8dac700ed58d0c32843ccdfadfccf8b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 13186a9cc0b18aedc341c31076204184a208beb88c9007ae2fa69a65e3fc01ac
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "13186a9cc0b18aedc341c31076204184a208beb88c9007ae2fa69a65e3fc01ac", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.4
[INFO] [stderr]    Compiling num-integer v0.1.38
[INFO] [stderr]    Compiling time v0.1.40
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling chrono v0.4.2
[INFO] [stderr]    Compiling blockchain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Block`
[INFO] [stdout]  --> src/main.rs:3:30
[INFO] [stdout]   |
[INFO] [stdout] 3 | use blockchain::{Blockchain, Block, Transaction};
[INFO] [stdout]   |                              ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_chain_valid`
[INFO] [stdout]    --> src/blockchain.rs:164:8
[INFO] [stdout]     |
[INFO] [stdout] 164 |     fn is_chain_valid(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.48s
[INFO] running `Command { std: "docker" "inspect" "13186a9cc0b18aedc341c31076204184a208beb88c9007ae2fa69a65e3fc01ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13186a9cc0b18aedc341c31076204184a208beb88c9007ae2fa69a65e3fc01ac", kill_on_drop: false }`
[INFO] [stdout] 13186a9cc0b18aedc341c31076204184a208beb88c9007ae2fa69a65e3fc01ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4f198e8ac385e90e27f06124c47cb05684b528267deb981267fb7063feee6871
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4f198e8ac385e90e27f06124c47cb05684b528267deb981267fb7063feee6871", kill_on_drop: false }`
[INFO] [stderr]    Compiling blockchain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Block`
[INFO] [stdout]  --> src/main.rs:3:30
[INFO] [stdout]   |
[INFO] [stdout] 3 | use blockchain::{Blockchain, Block, Transaction};
[INFO] [stdout]   |                              ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_chain_valid`
[INFO] [stdout]    --> src/blockchain.rs:164:8
[INFO] [stdout]     |
[INFO] [stdout] 164 |     fn is_chain_valid(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.08s
[INFO] running `Command { std: "docker" "inspect" "4f198e8ac385e90e27f06124c47cb05684b528267deb981267fb7063feee6871", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f198e8ac385e90e27f06124c47cb05684b528267deb981267fb7063feee6871", kill_on_drop: false }`
[INFO] [stdout] 4f198e8ac385e90e27f06124c47cb05684b528267deb981267fb7063feee6871
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1cc96b9c4ab090d6b461ee12e015e43871b60d560bef80d526b968e46155da49
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1cc96b9c4ab090d6b461ee12e015e43871b60d560bef80d526b968e46155da49", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `Block`
[INFO] [stderr]  --> src/main.rs:3:30
[INFO] [stderr]   |
[INFO] [stderr] 3 | use blockchain::{Blockchain, Block, Transaction};
[INFO] [stderr]   |                              ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `is_chain_valid`
[INFO] [stderr]    --> src/blockchain.rs:164:8
[INFO] [stderr]     |
[INFO] [stderr] 164 |     fn is_chain_valid(&self) -> bool {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/blockchain-3eb3e1d3c4c87424
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1cc96b9c4ab090d6b461ee12e015e43871b60d560bef80d526b968e46155da49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cc96b9c4ab090d6b461ee12e015e43871b60d560bef80d526b968e46155da49", kill_on_drop: false }`
[INFO] [stdout] 1cc96b9c4ab090d6b461ee12e015e43871b60d560bef80d526b968e46155da49