[INFO] cloning repository https://github.com/YoshiyukiKato/rust-study
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/YoshiyukiKato/rust-study" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYoshiyukiKato%2Frust-study", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYoshiyukiKato%2Frust-study'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0feca7bb446c3057ebb63248390989234d3a41f0
[INFO] testing YoshiyukiKato/rust-study against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYoshiyukiKato%2Frust-study" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/YoshiyukiKato/rust-study on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/YoshiyukiKato/rust-study
[INFO] finished tweaking git repo https://github.com/YoshiyukiKato/rust-study
[INFO] tweaked toml for git repo https://github.com/YoshiyukiKato/rust-study written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/YoshiyukiKato/rust-study already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded smallvec v0.4.5
[INFO] [stderr]   Downloaded cc v1.0.30
[INFO] [stderr]   Downloaded libc v0.2.49
[INFO] [stderr]   Downloaded ferris-says v0.1.1
[INFO] [stderr]   Downloaded error-chain v0.10.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 895fd91b06c21412d04ee4d77d37ec7e2f946b341bb0a1ced6b317de0f89b103
[INFO] running `Command { std: "docker" "start" "-a" "895fd91b06c21412d04ee4d77d37ec7e2f946b341bb0a1ced6b317de0f89b103", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "895fd91b06c21412d04ee4d77d37ec7e2f946b341bb0a1ced6b317de0f89b103", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "895fd91b06c21412d04ee4d77d37ec7e2f946b341bb0a1ced6b317de0f89b103", kill_on_drop: false }`
[INFO] [stdout] 895fd91b06c21412d04ee4d77d37ec7e2f946b341bb0a1ced6b317de0f89b103
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f1902ead6f7d95454d7d9b68322e9b5cd4e8257f4705f7d3bdaedebae5a2b27b
[INFO] running `Command { std: "docker" "start" "-a" "f1902ead6f7d95454d7d9b68322e9b5cd4e8257f4705f7d3bdaedebae5a2b27b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.49
[INFO] [stderr]    Compiling cc v1.0.30
[INFO] [stderr]    Compiling cfg-if v0.1.6
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling backtrace v0.3.14
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling ferris-says v0.1.1
[INFO] [stderr]    Compiling rust-study v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.59s
[INFO] running `Command { std: "docker" "inspect" "f1902ead6f7d95454d7d9b68322e9b5cd4e8257f4705f7d3bdaedebae5a2b27b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1902ead6f7d95454d7d9b68322e9b5cd4e8257f4705f7d3bdaedebae5a2b27b", kill_on_drop: false }`
[INFO] [stdout] f1902ead6f7d95454d7d9b68322e9b5cd4e8257f4705f7d3bdaedebae5a2b27b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fb4970526a4943a6c375d9909fbd65092f885d6b8f518e77fd21d226a2fb5f63
[INFO] running `Command { std: "docker" "start" "-a" "fb4970526a4943a6c375d9909fbd65092f885d6b8f518e77fd21d226a2fb5f63", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-study v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "fb4970526a4943a6c375d9909fbd65092f885d6b8f518e77fd21d226a2fb5f63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb4970526a4943a6c375d9909fbd65092f885d6b8f518e77fd21d226a2fb5f63", kill_on_drop: false }`
[INFO] [stdout] fb4970526a4943a6c375d9909fbd65092f885d6b8f518e77fd21d226a2fb5f63
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 653ca657512237366308f50da65222b9b6e6fda18aaebbe28eefca1246d1e659
[INFO] running `Command { std: "docker" "start" "-a" "653ca657512237366308f50da65222b9b6e6fda18aaebbe28eefca1246d1e659", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.39s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_study-ad38287894625535)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "653ca657512237366308f50da65222b9b6e6fda18aaebbe28eefca1246d1e659", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "653ca657512237366308f50da65222b9b6e6fda18aaebbe28eefca1246d1e659", kill_on_drop: false }`
[INFO] [stdout] 653ca657512237366308f50da65222b9b6e6fda18aaebbe28eefca1246d1e659