[INFO] fetching crate vexctf 0.1.0...
[INFO] testing vexctf-0.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate vexctf 0.1.0 into /workspace/builds/worker-57/source
[INFO] validating manifest of crates.io crate vexctf 0.1.0 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 vexctf 0.1.0
[INFO] finished tweaking crates.io crate vexctf 0.1.0
[INFO] tweaked toml for crates.io crate vexctf 0.1.0 written to /workspace/builds/worker-57/source/Cargo.toml
[INFO] crate crates.io crate vexctf 0.1.0 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-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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] 6b9573b0d6933b80762f734339c0393edda3c2f1e619068c207c05c8ddbd7973
[INFO] running `Command { std: "docker" "start" "-a" "6b9573b0d6933b80762f734339c0393edda3c2f1e619068c207c05c8ddbd7973", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b9573b0d6933b80762f734339c0393edda3c2f1e619068c207c05c8ddbd7973", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b9573b0d6933b80762f734339c0393edda3c2f1e619068c207c05c8ddbd7973", kill_on_drop: false }`
[INFO] [stdout] 6b9573b0d6933b80762f734339c0393edda3c2f1e619068c207c05c8ddbd7973
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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] 106720c163156f0a69bb74cf855f64317853889b2d331f5ed0e5b52c1a8d8d81
[INFO] running `Command { std: "docker" "start" "-a" "106720c163156f0a69bb74cf855f64317853889b2d331f5ed0e5b52c1a8d8d81", kill_on_drop: false }`
[INFO] [stderr]    Compiling vexctf v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.33s
[INFO] running `Command { std: "docker" "inspect" "106720c163156f0a69bb74cf855f64317853889b2d331f5ed0e5b52c1a8d8d81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "106720c163156f0a69bb74cf855f64317853889b2d331f5ed0e5b52c1a8d8d81", kill_on_drop: false }`
[INFO] [stdout] 106720c163156f0a69bb74cf855f64317853889b2d331f5ed0e5b52c1a8d8d81
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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] 86ee41349a9ab339bdea6250ed325ff17c4d02c3c8b12ed3160b5c66b6f23a75
[INFO] running `Command { std: "docker" "start" "-a" "86ee41349a9ab339bdea6250ed325ff17c4d02c3c8b12ed3160b5c66b6f23a75", kill_on_drop: false }`
[INFO] [stderr]    Compiling vexctf v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "86ee41349a9ab339bdea6250ed325ff17c4d02c3c8b12ed3160b5c66b6f23a75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86ee41349a9ab339bdea6250ed325ff17c4d02c3c8b12ed3160b5c66b6f23a75", kill_on_drop: false }`
[INFO] [stdout] 86ee41349a9ab339bdea6250ed325ff17c4d02c3c8b12ed3160b5c66b6f23a75
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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] 789578527f8c0e84a676e59956c225734361122045bba95e1b9b44fa4f661635
[INFO] running `Command { std: "docker" "start" "-a" "789578527f8c0e84a676e59956c225734361122045bba95e1b9b44fa4f661635", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/vexctf-4e8518b2ad0f6a0a)
[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" "789578527f8c0e84a676e59956c225734361122045bba95e1b9b44fa4f661635", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "789578527f8c0e84a676e59956c225734361122045bba95e1b9b44fa4f661635", kill_on_drop: false }`
[INFO] [stdout] 789578527f8c0e84a676e59956c225734361122045bba95e1b9b44fa4f661635