[INFO] cloning repository https://github.com/timothyb89/metriful
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/timothyb89/metriful" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftimothyb89%2Fmetriful", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftimothyb89%2Fmetriful'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e99170f4e0ef1fc5bcdcf41ce22d142f1c64d6d0
[INFO] testing timothyb89/metriful against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftimothyb89%2Fmetriful" "/workspace/builds/worker-76/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-76/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/timothyb89/metriful 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/timothyb89/metriful
[INFO] finished tweaking git repo https://github.com/timothyb89/metriful
[INFO] tweaked toml for git repo https://github.com/timothyb89/metriful written to /workspace/builds/worker-76/source/Cargo.toml
[INFO] crate git repo https://github.com/timothyb89/metriful 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-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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] d492dd08c5b477d572fba110f2684b98e13032c07eb8c5b5f83cbf2bf2fb77f7
[INFO] running `Command { std: "docker" "start" "-a" "d492dd08c5b477d572fba110f2684b98e13032c07eb8c5b5f83cbf2bf2fb77f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d492dd08c5b477d572fba110f2684b98e13032c07eb8c5b5f83cbf2bf2fb77f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d492dd08c5b477d572fba110f2684b98e13032c07eb8c5b5f83cbf2bf2fb77f7", kill_on_drop: false }`
[INFO] [stdout] d492dd08c5b477d572fba110f2684b98e13032c07eb8c5b5f83cbf2bf2fb77f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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] b86aaa77d1b5ab80d57eaea92805149bc4d89d8eced20516f17d00cbc85e5c82
[INFO] running `Command { std: "docker" "start" "-a" "b86aaa77d1b5ab80d57eaea92805149bc4d89d8eced20516f17d00cbc85e5c82", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.87
[INFO] [stderr]    Compiling rustversion v1.0.4
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling smawk v0.3.1
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling byteorder v1.4.2
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling textwrap v0.13.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling err-derive v0.2.4
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling i2cdev v0.4.4
[INFO] [stderr]    Compiling sysfs_gpio v0.5.4
[INFO] [stderr]    Compiling metriful v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 41s
[INFO] running `Command { std: "docker" "inspect" "b86aaa77d1b5ab80d57eaea92805149bc4d89d8eced20516f17d00cbc85e5c82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b86aaa77d1b5ab80d57eaea92805149bc4d89d8eced20516f17d00cbc85e5c82", kill_on_drop: false }`
[INFO] [stdout] b86aaa77d1b5ab80d57eaea92805149bc4d89d8eced20516f17d00cbc85e5c82
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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] bb47f6230740fe43d02699e5d0bfbd1e28e5b8bb1a304fdfa818963776caa6dd
[INFO] running `Command { std: "docker" "start" "-a" "bb47f6230740fe43d02699e5d0bfbd1e28e5b8bb1a304fdfa818963776caa6dd", kill_on_drop: false }`
[INFO] [stderr]    Compiling metriful v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.15s
[INFO] running `Command { std: "docker" "inspect" "bb47f6230740fe43d02699e5d0bfbd1e28e5b8bb1a304fdfa818963776caa6dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb47f6230740fe43d02699e5d0bfbd1e28e5b8bb1a304fdfa818963776caa6dd", kill_on_drop: false }`
[INFO] [stdout] bb47f6230740fe43d02699e5d0bfbd1e28e5b8bb1a304fdfa818963776caa6dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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] fa3e6a09ebd49c38672b3595a34181a422fcceadae1d703bdfcb1a7d1233c4ec
[INFO] running `Command { std: "docker" "start" "-a" "fa3e6a09ebd49c38672b3595a34181a422fcceadae1d703bdfcb1a7d1233c4ec", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.33s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/metriful-68b8709eeecd59ec)
[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] [stderr]    Doc-tests metriful
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/lib.rs - Metriful::read_iter_timeout (line 624) - compile ... ok
[INFO] [stdout] test src/lib.rs - Metriful::read (line 591) - compile ... ok
[INFO] [stdout] test src/lib.rs - Metriful::read_iter (line 680) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 39) - compile ... ok
[INFO] [stdout] test src/lib.rs - Metriful::read_status (line 827) - compile ... ok
[INFO] [stdout] test src/lib.rs - Metriful::cycle_read_iter_timeout (line 724) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 8.77s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fa3e6a09ebd49c38672b3595a34181a422fcceadae1d703bdfcb1a7d1233c4ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa3e6a09ebd49c38672b3595a34181a422fcceadae1d703bdfcb1a7d1233c4ec", kill_on_drop: false }`
[INFO] [stdout] fa3e6a09ebd49c38672b3595a34181a422fcceadae1d703bdfcb1a7d1233c4ec