[INFO] fetching crate vmks-exam-generator 0.1.4...
[INFO] testing vmks-exam-generator-0.1.4 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate vmks-exam-generator 0.1.4 into /workspace/builds/worker-21/source
[INFO] validating manifest of crates.io crate vmks-exam-generator 0.1.4 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 crates.io crate vmks-exam-generator 0.1.4
[INFO] finished tweaking crates.io crate vmks-exam-generator 0.1.4
[INFO] tweaked toml for crates.io crate vmks-exam-generator 0.1.4 written to /workspace/builds/worker-21/source/Cargo.toml
[INFO] crate crates.io crate vmks-exam-generator 0.1.4 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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] 3e82c4da955339064c2db57c12dac512a9202bc07b6ef2059646ae639efdcfa3
[INFO] running `Command { std: "docker" "start" "-a" "3e82c4da955339064c2db57c12dac512a9202bc07b6ef2059646ae639efdcfa3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e82c4da955339064c2db57c12dac512a9202bc07b6ef2059646ae639efdcfa3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e82c4da955339064c2db57c12dac512a9202bc07b6ef2059646ae639efdcfa3", kill_on_drop: false }`
[INFO] [stdout] 3e82c4da955339064c2db57c12dac512a9202bc07b6ef2059646ae639efdcfa3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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] e787db113ab7da4fba1310e5e34be484f0bf979ffd8bb6408c4707c929c8e3a6
[INFO] running `Command { std: "docker" "start" "-a" "e787db113ab7da4fba1310e5e34be484f0bf979ffd8bb6408c4707c929c8e3a6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling vmks-exam-generator v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.34s
[INFO] running `Command { std: "docker" "inspect" "e787db113ab7da4fba1310e5e34be484f0bf979ffd8bb6408c4707c929c8e3a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e787db113ab7da4fba1310e5e34be484f0bf979ffd8bb6408c4707c929c8e3a6", kill_on_drop: false }`
[INFO] [stdout] e787db113ab7da4fba1310e5e34be484f0bf979ffd8bb6408c4707c929c8e3a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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] b84ab4f83417f8e116c4531ea61561b08ba6aa3741c90a26e693fa9d55132908
[INFO] running `Command { std: "docker" "start" "-a" "b84ab4f83417f8e116c4531ea61561b08ba6aa3741c90a26e693fa9d55132908", kill_on_drop: false }`
[INFO] [stderr]    Compiling vmks-exam-generator v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "b84ab4f83417f8e116c4531ea61561b08ba6aa3741c90a26e693fa9d55132908", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b84ab4f83417f8e116c4531ea61561b08ba6aa3741c90a26e693fa9d55132908", kill_on_drop: false }`
[INFO] [stdout] b84ab4f83417f8e116c4531ea61561b08ba6aa3741c90a26e693fa9d55132908
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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] 74eee2217c79a753059640206df0c67a02ebecb173e0c0385a52546241b270b7
[INFO] running `Command { std: "docker" "start" "-a" "74eee2217c79a753059640206df0c67a02ebecb173e0c0385a52546241b270b7", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/vmks_exam_generator-e42d83805b71b145)
[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]      Running unittests (/opt/rustwide/target/debug/deps/vmks_exam_generator-ce087cc79c6e1b8e)
[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 vmks-exam-generator
[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" "74eee2217c79a753059640206df0c67a02ebecb173e0c0385a52546241b270b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74eee2217c79a753059640206df0c67a02ebecb173e0c0385a52546241b270b7", kill_on_drop: false }`
[INFO] [stdout] 74eee2217c79a753059640206df0c67a02ebecb173e0c0385a52546241b270b7