[INFO] cloning repository https://github.com/luizirber/2018-rust-blocks
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/luizirber/2018-rust-blocks" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluizirber%2F2018-rust-blocks", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluizirber%2F2018-rust-blocks'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fc0017e34b225ca5424e32f24d67957b9d07432b
[INFO] testing luizirber/2018-rust-blocks against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluizirber%2F2018-rust-blocks" "/workspace/builds/worker-91/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-91/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/luizirber/2018-rust-blocks 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/luizirber/2018-rust-blocks
[INFO] finished tweaking git repo https://github.com/luizirber/2018-rust-blocks
[INFO] tweaked toml for git repo https://github.com/luizirber/2018-rust-blocks written to /workspace/builds/worker-91/source/Cargo.toml
[INFO] crate git repo https://github.com/luizirber/2018-rust-blocks 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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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] a3c32d557187dd48e149e25781f5b6afb37abcded3751126a1efbb43884b11f6
[INFO] running `Command { std: "docker" "start" "-a" "a3c32d557187dd48e149e25781f5b6afb37abcded3751126a1efbb43884b11f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a3c32d557187dd48e149e25781f5b6afb37abcded3751126a1efbb43884b11f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3c32d557187dd48e149e25781f5b6afb37abcded3751126a1efbb43884b11f6", kill_on_drop: false }`
[INFO] [stdout] a3c32d557187dd48e149e25781f5b6afb37abcded3751126a1efbb43884b11f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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] 3f36b82906f21fc40ce3a71beb85d4485a8b5aa9974fd47772811442da45acc1
[INFO] running `Command { std: "docker" "start" "-a" "3f36b82906f21fc40ce3a71beb85d4485a8b5aa9974fd47772811442da45acc1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust-blocks v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.53s
[INFO] running `Command { std: "docker" "inspect" "3f36b82906f21fc40ce3a71beb85d4485a8b5aa9974fd47772811442da45acc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f36b82906f21fc40ce3a71beb85d4485a8b5aa9974fd47772811442da45acc1", kill_on_drop: false }`
[INFO] [stdout] 3f36b82906f21fc40ce3a71beb85d4485a8b5aa9974fd47772811442da45acc1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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] 1a9910fa16200cf0f57ca8c6342fe98e2c39b2823b78b94e2cf13020f0ef2259
[INFO] running `Command { std: "docker" "start" "-a" "1a9910fa16200cf0f57ca8c6342fe98e2c39b2823b78b94e2cf13020f0ef2259", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust-blocks v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 7.33s
[INFO] running `Command { std: "docker" "inspect" "1a9910fa16200cf0f57ca8c6342fe98e2c39b2823b78b94e2cf13020f0ef2259", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a9910fa16200cf0f57ca8c6342fe98e2c39b2823b78b94e2cf13020f0ef2259", kill_on_drop: false }`
[INFO] [stdout] 1a9910fa16200cf0f57ca8c6342fe98e2c39b2823b78b94e2cf13020f0ef2259
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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] aae1c99e92e0a5b09c1c0d362e3241b89cfc794419e720a22896c76ec7d2b1d1
[INFO] running `Command { std: "docker" "start" "-a" "aae1c99e92e0a5b09c1c0d362e3241b89cfc794419e720a22896c76ec7d2b1d1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.32s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_blocks-5836bfe74e4cad4e)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "aae1c99e92e0a5b09c1c0d362e3241b89cfc794419e720a22896c76ec7d2b1d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aae1c99e92e0a5b09c1c0d362e3241b89cfc794419e720a22896c76ec7d2b1d1", kill_on_drop: false }`
[INFO] [stdout] aae1c99e92e0a5b09c1c0d362e3241b89cfc794419e720a22896c76ec7d2b1d1