[INFO] fetching crate mvm 0.1.0...
[INFO] testing mvm-0.1.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate mvm 0.1.0 into /workspace/builds/worker-106/source
[INFO] validating manifest of crates.io crate mvm 0.1.0 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 mvm 0.1.0
[INFO] finished tweaking crates.io crate mvm 0.1.0
[INFO] tweaked toml for crates.io crate mvm 0.1.0 written to /workspace/builds/worker-106/source/Cargo.toml
[INFO] crate crates.io crate mvm 0.1.0 already has a lockfile, it will not be regenerated
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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] 91d1ccec078da6ffd7271c01f91e078588017a4ee9e9045ff7222e1b97ff811d
[INFO] running `Command { std: "docker" "start" "-a" "91d1ccec078da6ffd7271c01f91e078588017a4ee9e9045ff7222e1b97ff811d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "91d1ccec078da6ffd7271c01f91e078588017a4ee9e9045ff7222e1b97ff811d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91d1ccec078da6ffd7271c01f91e078588017a4ee9e9045ff7222e1b97ff811d", kill_on_drop: false }`
[INFO] [stdout] 91d1ccec078da6ffd7271c01f91e078588017a4ee9e9045ff7222e1b97ff811d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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] c55cbd42593714656a7ee8eceabd354a9b650d65868f2bcfa9d3508580021519
[INFO] running `Command { std: "docker" "start" "-a" "c55cbd42593714656a7ee8eceabd354a9b650d65868f2bcfa9d3508580021519", kill_on_drop: false }`
[INFO] [stderr]    Compiling mvm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "c55cbd42593714656a7ee8eceabd354a9b650d65868f2bcfa9d3508580021519", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c55cbd42593714656a7ee8eceabd354a9b650d65868f2bcfa9d3508580021519", kill_on_drop: false }`
[INFO] [stdout] c55cbd42593714656a7ee8eceabd354a9b650d65868f2bcfa9d3508580021519
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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] a846f7d88864d0bfca5a4109c59648de4b906f556bcab91e9535e7198c5db7f2
[INFO] running `Command { std: "docker" "start" "-a" "a846f7d88864d0bfca5a4109c59648de4b906f556bcab91e9535e7198c5db7f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling mvm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.36s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/mvm-ee5cff99c9cba4d8)
[INFO] running `Command { std: "docker" "inspect" "a846f7d88864d0bfca5a4109c59648de4b906f556bcab91e9535e7198c5db7f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a846f7d88864d0bfca5a4109c59648de4b906f556bcab91e9535e7198c5db7f2", kill_on_drop: false }`
[INFO] [stdout] a846f7d88864d0bfca5a4109c59648de4b906f556bcab91e9535e7198c5db7f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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] c3f8b7a39aa6c8884e8408887e8d9b891d3adadbf4cf9ec6858f75e559572cb2
[INFO] running `Command { std: "docker" "start" "-a" "c3f8b7a39aa6c8884e8408887e8d9b891d3adadbf4cf9ec6858f75e559572cb2", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/mvm-ee5cff99c9cba4d8)
[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" "c3f8b7a39aa6c8884e8408887e8d9b891d3adadbf4cf9ec6858f75e559572cb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3f8b7a39aa6c8884e8408887e8d9b891d3adadbf4cf9ec6858f75e559572cb2", kill_on_drop: false }`
[INFO] [stdout] c3f8b7a39aa6c8884e8408887e8d9b891d3adadbf4cf9ec6858f75e559572cb2