[INFO] fetching crate mvr 0.2.1...
[INFO] testing mvr-0.2.1 against 1.59.0 for beta-1.60-1
[INFO] extracting crate mvr 0.2.1 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate mvr 0.2.1 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mvr 0.2.1
[INFO] finished tweaking crates.io crate mvr 0.2.1
[INFO] tweaked toml for crates.io crate mvr 0.2.1 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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" "+1.59.0" "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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7d468475a89193db7f6c17efc42540671f6be549ebe24833c5c452dd987858fc
[INFO] running `Command { std: "docker" "start" "-a" "7d468475a89193db7f6c17efc42540671f6be549ebe24833c5c452dd987858fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d468475a89193db7f6c17efc42540671f6be549ebe24833c5c452dd987858fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d468475a89193db7f6c17efc42540671f6be549ebe24833c5c452dd987858fc", kill_on_drop: false }`
[INFO] [stdout] 7d468475a89193db7f6c17efc42540671f6be549ebe24833c5c452dd987858fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 73bf83c84a276d37421415b9fa251848f30ccb1d40cb780bbff6949f82a96143
[INFO] running `Command { std: "docker" "start" "-a" "73bf83c84a276d37421415b9fa251848f30ccb1d40cb780bbff6949f82a96143", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling gimli v0.26.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.21
[INFO] [stderr]    Compiling mvr v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling backtrace v0.3.64
[INFO] [stderr]    Compiling object v0.27.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling addr2line v0.17.0
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.64s
[INFO] running `Command { std: "docker" "inspect" "73bf83c84a276d37421415b9fa251848f30ccb1d40cb780bbff6949f82a96143", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73bf83c84a276d37421415b9fa251848f30ccb1d40cb780bbff6949f82a96143", kill_on_drop: false }`
[INFO] [stdout] 73bf83c84a276d37421415b9fa251848f30ccb1d40cb780bbff6949f82a96143
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3b96265ec2cbefb39876cc464a4d9f4a179cd17abb7abfb8324dad7acfc868db
[INFO] running `Command { std: "docker" "start" "-a" "3b96265ec2cbefb39876cc464a4d9f4a179cd17abb7abfb8324dad7acfc868db", kill_on_drop: false }`
[INFO] [stderr]    Compiling mvr v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.21s
[INFO] running `Command { std: "docker" "inspect" "3b96265ec2cbefb39876cc464a4d9f4a179cd17abb7abfb8324dad7acfc868db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b96265ec2cbefb39876cc464a4d9f4a179cd17abb7abfb8324dad7acfc868db", kill_on_drop: false }`
[INFO] [stdout] 3b96265ec2cbefb39876cc464a4d9f4a179cd17abb7abfb8324dad7acfc868db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cc11f8eaa2d9e5bde773dff9ae1a3db9f1338f1476c2ec0532025af8130621ba
[INFO] running `Command { std: "docker" "start" "-a" "cc11f8eaa2d9e5bde773dff9ae1a3db9f1338f1476c2ec0532025af8130621ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling mvr v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.98s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mvr-4ae1568fc7c2c37e)
[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" "cc11f8eaa2d9e5bde773dff9ae1a3db9f1338f1476c2ec0532025af8130621ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc11f8eaa2d9e5bde773dff9ae1a3db9f1338f1476c2ec0532025af8130621ba", kill_on_drop: false }`
[INFO] [stdout] cc11f8eaa2d9e5bde773dff9ae1a3db9f1338f1476c2ec0532025af8130621ba