[INFO] fetching crate cvt 0.1.1...
[INFO] testing cvt-0.1.1 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate cvt 0.1.1 into /workspace/builds/worker-30/source
[INFO] validating manifest of crates.io crate cvt 0.1.1 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cvt 0.1.1
[INFO] finished tweaking crates.io crate cvt 0.1.1
[INFO] tweaked toml for crates.io crate cvt 0.1.1 written to /workspace/builds/worker-30/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-2022-04-10" "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-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9a82bbb51f006d28e30106592b5dfbc0b4f2ce979e486791293de8120e340012
[INFO] running `Command { std: "docker" "start" "-a" "9a82bbb51f006d28e30106592b5dfbc0b4f2ce979e486791293de8120e340012", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a82bbb51f006d28e30106592b5dfbc0b4f2ce979e486791293de8120e340012", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a82bbb51f006d28e30106592b5dfbc0b4f2ce979e486791293de8120e340012", kill_on_drop: false }`
[INFO] [stdout] 9a82bbb51f006d28e30106592b5dfbc0b4f2ce979e486791293de8120e340012
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a6ad603877ffd84ff94d2f320d1a03233e120f05f12a13363d7a51cf29263e8f
[INFO] running `Command { std: "docker" "start" "-a" "a6ad603877ffd84ff94d2f320d1a03233e120f05f12a13363d7a51cf29263e8f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cvt v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.25s
[INFO] running `Command { std: "docker" "inspect" "a6ad603877ffd84ff94d2f320d1a03233e120f05f12a13363d7a51cf29263e8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6ad603877ffd84ff94d2f320d1a03233e120f05f12a13363d7a51cf29263e8f", kill_on_drop: false }`
[INFO] [stdout] a6ad603877ffd84ff94d2f320d1a03233e120f05f12a13363d7a51cf29263e8f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3334a8f663ccf5c545226f1cbd59ee1b0faa4e9d61f9aea7808945a6c3075aed
[INFO] running `Command { std: "docker" "start" "-a" "3334a8f663ccf5c545226f1cbd59ee1b0faa4e9d61f9aea7808945a6c3075aed", kill_on_drop: false }`
[INFO] [stderr]    Compiling cvt v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.40s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/cvt-a760961757fb4738)
[INFO] running `Command { std: "docker" "inspect" "3334a8f663ccf5c545226f1cbd59ee1b0faa4e9d61f9aea7808945a6c3075aed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3334a8f663ccf5c545226f1cbd59ee1b0faa4e9d61f9aea7808945a6c3075aed", kill_on_drop: false }`
[INFO] [stdout] 3334a8f663ccf5c545226f1cbd59ee1b0faa4e9d61f9aea7808945a6c3075aed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8c228bea100582c29f6333f6fe545b6b458ceb0c84b6dd5b3d0d3cd26b63154e
[INFO] running `Command { std: "docker" "start" "-a" "8c228bea100582c29f6333f6fe545b6b458ceb0c84b6dd5b3d0d3cd26b63154e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/cvt-a760961757fb4738)
[INFO] [stderr]    Doc-tests cvt
[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" "8c228bea100582c29f6333f6fe545b6b458ceb0c84b6dd5b3d0d3cd26b63154e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c228bea100582c29f6333f6fe545b6b458ceb0c84b6dd5b3d0d3cd26b63154e", kill_on_drop: false }`
[INFO] [stdout] 8c228bea100582c29f6333f6fe545b6b458ceb0c84b6dd5b3d0d3cd26b63154e