[INFO] cloning repository https://github.com/NoahTheDuke/rust_practice
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/NoahTheDuke/rust_practice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNoahTheDuke%2Frust_practice", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNoahTheDuke%2Frust_practice'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6a39d4c32b375c0145dcc96caa717310cb600c73
[INFO] testing NoahTheDuke/rust_practice against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNoahTheDuke%2Frust_practice" "/workspace/builds/worker-105/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-105/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/NoahTheDuke/rust_practice on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/NoahTheDuke/rust_practice
[INFO] finished tweaking git repo https://github.com/NoahTheDuke/rust_practice
[INFO] tweaked toml for git repo https://github.com/NoahTheDuke/rust_practice written to /workspace/builds/worker-105/source/Cargo.toml
[INFO] crate git repo https://github.com/NoahTheDuke/rust_practice already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aa716bb2b5fab5a094af8aeb0e60dd14a1c4ba3d8dc52606490c9729ca996de4
[INFO] running `Command { std: "docker" "start" "-a" "aa716bb2b5fab5a094af8aeb0e60dd14a1c4ba3d8dc52606490c9729ca996de4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa716bb2b5fab5a094af8aeb0e60dd14a1c4ba3d8dc52606490c9729ca996de4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa716bb2b5fab5a094af8aeb0e60dd14a1c4ba3d8dc52606490c9729ca996de4", kill_on_drop: false }`
[INFO] [stdout] aa716bb2b5fab5a094af8aeb0e60dd14a1c4ba3d8dc52606490c9729ca996de4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 42d1b730e3e100ba701ff01b37ed40a6ec7d4fff6532241a5668833ca9264cef
[INFO] running `Command { std: "docker" "start" "-a" "42d1b730e3e100ba701ff01b37ed40a6ec7d4fff6532241a5668833ca9264cef", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.11
[INFO] [stderr]    Compiling rand v0.3.14
[INFO] [stderr]    Compiling practice v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.67s
[INFO] running `Command { std: "docker" "inspect" "42d1b730e3e100ba701ff01b37ed40a6ec7d4fff6532241a5668833ca9264cef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42d1b730e3e100ba701ff01b37ed40a6ec7d4fff6532241a5668833ca9264cef", kill_on_drop: false }`
[INFO] [stdout] 42d1b730e3e100ba701ff01b37ed40a6ec7d4fff6532241a5668833ca9264cef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 217ba5755bf8621d8689b1b1651a807dce5820d577f7da7a30da8a3a5c541d39
[INFO] running `Command { std: "docker" "start" "-a" "217ba5755bf8621d8689b1b1651a807dce5820d577f7da7a30da8a3a5c541d39", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling practice v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.27s
[INFO] running `Command { std: "docker" "inspect" "217ba5755bf8621d8689b1b1651a807dce5820d577f7da7a30da8a3a5c541d39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "217ba5755bf8621d8689b1b1651a807dce5820d577f7da7a30da8a3a5c541d39", kill_on_drop: false }`
[INFO] [stdout] 217ba5755bf8621d8689b1b1651a807dce5820d577f7da7a30da8a3a5c541d39
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5accc0dfebf75d4f92d016a32813f4600544751d9bf53357d261f1e2124aa016
[INFO] running `Command { std: "docker" "start" "-a" "5accc0dfebf75d4f92d016a32813f4600544751d9bf53357d261f1e2124aa016", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/practice-3aac6c894adc471b)
[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" "5accc0dfebf75d4f92d016a32813f4600544751d9bf53357d261f1e2124aa016", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5accc0dfebf75d4f92d016a32813f4600544751d9bf53357d261f1e2124aa016", kill_on_drop: false }`
[INFO] [stdout] 5accc0dfebf75d4f92d016a32813f4600544751d9bf53357d261f1e2124aa016