[INFO] fetching crate vkn 0.0.0...
[INFO] testing vkn-0.0.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate vkn 0.0.0 into /workspace/builds/worker-102/source
[INFO] validating manifest of crates.io crate vkn 0.0.0 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate vkn 0.0.0
[INFO] finished tweaking crates.io crate vkn 0.0.0
[INFO] tweaked toml for crates.io crate vkn 0.0.0 written to /workspace/builds/worker-102/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 615b61083ce4d014be4f9e88879d3c1d552267f4b16e9dd7ba35440a93953847
[INFO] running `Command { std: "docker" "start" "-a" "615b61083ce4d014be4f9e88879d3c1d552267f4b16e9dd7ba35440a93953847", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "615b61083ce4d014be4f9e88879d3c1d552267f4b16e9dd7ba35440a93953847", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "615b61083ce4d014be4f9e88879d3c1d552267f4b16e9dd7ba35440a93953847", kill_on_drop: false }`
[INFO] [stdout] 615b61083ce4d014be4f9e88879d3c1d552267f4b16e9dd7ba35440a93953847
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 341967c843d3884eb08d44addf6feacbc574e9607b410cdbf18d8c3671b51c9c
[INFO] running `Command { std: "docker" "start" "-a" "341967c843d3884eb08d44addf6feacbc574e9607b410cdbf18d8c3671b51c9c", kill_on_drop: false }`
[INFO] [stderr]    Compiling vkn v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.37s
[INFO] running `Command { std: "docker" "inspect" "341967c843d3884eb08d44addf6feacbc574e9607b410cdbf18d8c3671b51c9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "341967c843d3884eb08d44addf6feacbc574e9607b410cdbf18d8c3671b51c9c", kill_on_drop: false }`
[INFO] [stdout] 341967c843d3884eb08d44addf6feacbc574e9607b410cdbf18d8c3671b51c9c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 55e3120ea195dab660b7bf1265e7d8123e249c94b6c0f89266acde27269cb15c
[INFO] running `Command { std: "docker" "start" "-a" "55e3120ea195dab660b7bf1265e7d8123e249c94b6c0f89266acde27269cb15c", kill_on_drop: false }`
[INFO] [stderr]    Compiling vkn v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "55e3120ea195dab660b7bf1265e7d8123e249c94b6c0f89266acde27269cb15c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55e3120ea195dab660b7bf1265e7d8123e249c94b6c0f89266acde27269cb15c", kill_on_drop: false }`
[INFO] [stdout] 55e3120ea195dab660b7bf1265e7d8123e249c94b6c0f89266acde27269cb15c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b09f19e2900732a2351dc7e21dd357454a16655584e86813442ec6a832363b3e
[INFO] running `Command { std: "docker" "start" "-a" "b09f19e2900732a2351dc7e21dd357454a16655584e86813442ec6a832363b3e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.46s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/vkn-a4cb17a704e1ce64)
[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 vkn
[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" "b09f19e2900732a2351dc7e21dd357454a16655584e86813442ec6a832363b3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b09f19e2900732a2351dc7e21dd357454a16655584e86813442ec6a832363b3e", kill_on_drop: false }`
[INFO] [stdout] b09f19e2900732a2351dc7e21dd357454a16655584e86813442ec6a832363b3e