[INFO] cloning repository https://github.com/tarberd/prime-generator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tarberd/prime-generator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftarberd%2Fprime-generator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftarberd%2Fprime-generator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4c37e237172bb2342a086d67c3ff0ea89469e759
[INFO] testing tarberd/prime-generator 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%2Ftarberd%2Fprime-generator" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tarberd/prime-generator 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/tarberd/prime-generator
[INFO] finished tweaking git repo https://github.com/tarberd/prime-generator
[INFO] tweaked toml for git repo https://github.com/tarberd/prime-generator written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/tarberd/prime-generator 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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] ee081bb921b4050924d7ab8437021a11cc224b434acf3c108e937853c1998950
[INFO] running `Command { std: "docker" "start" "-a" "ee081bb921b4050924d7ab8437021a11cc224b434acf3c108e937853c1998950", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ee081bb921b4050924d7ab8437021a11cc224b434acf3c108e937853c1998950", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee081bb921b4050924d7ab8437021a11cc224b434acf3c108e937853c1998950", kill_on_drop: false }`
[INFO] [stdout] ee081bb921b4050924d7ab8437021a11cc224b434acf3c108e937853c1998950
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 052210ad3d4501e03e7ec89ac67bb31f7bd82e82c0e8bd4b3f4b8ab02f622783
[INFO] running `Command { std: "docker" "start" "-a" "052210ad3d4501e03e7ec89ac67bb31f7bd82e82c0e8bd4b3f4b8ab02f622783", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-bigint v0.2.3
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling prime-generator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.34s
[INFO] running `Command { std: "docker" "inspect" "052210ad3d4501e03e7ec89ac67bb31f7bd82e82c0e8bd4b3f4b8ab02f622783", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "052210ad3d4501e03e7ec89ac67bb31f7bd82e82c0e8bd4b3f4b8ab02f622783", kill_on_drop: false }`
[INFO] [stdout] 052210ad3d4501e03e7ec89ac67bb31f7bd82e82c0e8bd4b3f4b8ab02f622783
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 53f2ac9ffaeb3b3fc9a4e9cae2260d3b5a4813f28b8b31e65c1104b395ad4d27
[INFO] running `Command { std: "docker" "start" "-a" "53f2ac9ffaeb3b3fc9a4e9cae2260d3b5a4813f28b8b31e65c1104b395ad4d27", kill_on_drop: false }`
[INFO] [stderr]    Compiling prime-generator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.13s
[INFO] running `Command { std: "docker" "inspect" "53f2ac9ffaeb3b3fc9a4e9cae2260d3b5a4813f28b8b31e65c1104b395ad4d27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53f2ac9ffaeb3b3fc9a4e9cae2260d3b5a4813f28b8b31e65c1104b395ad4d27", kill_on_drop: false }`
[INFO] [stdout] 53f2ac9ffaeb3b3fc9a4e9cae2260d3b5a4813f28b8b31e65c1104b395ad4d27
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 78a7af525e44977c9514d804cf734d79f18f234fc57cf7653aa532eb8b907f6a
[INFO] running `Command { std: "docker" "start" "-a" "78a7af525e44977c9514d804cf734d79f18f234fc57cf7653aa532eb8b907f6a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.32s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/prime_generator-96394e4f9c00b14c)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/prime_generator-2e46b51d962ff9d3)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests prime-generator
[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] [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] [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" "78a7af525e44977c9514d804cf734d79f18f234fc57cf7653aa532eb8b907f6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78a7af525e44977c9514d804cf734d79f18f234fc57cf7653aa532eb8b907f6a", kill_on_drop: false }`
[INFO] [stdout] 78a7af525e44977c9514d804cf734d79f18f234fc57cf7653aa532eb8b907f6a