[INFO] fetching crate rustengine 1.0.60...
[INFO] testing rustengine-1.0.60 against 1.60.0 for beta-1.61-1
[INFO] extracting crate rustengine 1.0.60 into /workspace/builds/worker-28/source
[INFO] validating manifest of crates.io crate rustengine 1.0.60 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rustengine 1.0.60
[INFO] finished tweaking crates.io crate rustengine 1.0.60
[INFO] tweaked toml for crates.io crate rustengine 1.0.60 written to /workspace/builds/worker-28/source/Cargo.toml
[INFO] crate crates.io crate rustengine 1.0.60 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2776a7e6aadfe38a80dde502dc5647f8e6904c7944b60d965874e9b0ecac8c66
[INFO] running `Command { std: "docker" "start" "-a" "2776a7e6aadfe38a80dde502dc5647f8e6904c7944b60d965874e9b0ecac8c66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2776a7e6aadfe38a80dde502dc5647f8e6904c7944b60d965874e9b0ecac8c66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2776a7e6aadfe38a80dde502dc5647f8e6904c7944b60d965874e9b0ecac8c66", kill_on_drop: false }`
[INFO] [stdout] 2776a7e6aadfe38a80dde502dc5647f8e6904c7944b60d965874e9b0ecac8c66
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d38de2e34a2fb44786f3b1f3908cdeb72c80780543d4a49d15deda57ec58347d
[INFO] running `Command { std: "docker" "start" "-a" "d38de2e34a2fb44786f3b1f3908cdeb72c80780543d4a49d15deda57ec58347d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling once_cell v1.3.1
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling rustengine v1.0.60 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.29s
[INFO] running `Command { std: "docker" "inspect" "d38de2e34a2fb44786f3b1f3908cdeb72c80780543d4a49d15deda57ec58347d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d38de2e34a2fb44786f3b1f3908cdeb72c80780543d4a49d15deda57ec58347d", kill_on_drop: false }`
[INFO] [stdout] d38de2e34a2fb44786f3b1f3908cdeb72c80780543d4a49d15deda57ec58347d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cc5712468bc1e6483e20331c3f332055dc677ab21184135ae0828814e24d9247
[INFO] running `Command { std: "docker" "start" "-a" "cc5712468bc1e6483e20331c3f332055dc677ab21184135ae0828814e24d9247", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rustengine v1.0.60 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "cc5712468bc1e6483e20331c3f332055dc677ab21184135ae0828814e24d9247", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc5712468bc1e6483e20331c3f332055dc677ab21184135ae0828814e24d9247", kill_on_drop: false }`
[INFO] [stdout] cc5712468bc1e6483e20331c3f332055dc677ab21184135ae0828814e24d9247
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0c28bd617df621de47140264b8555e38445adfdd3745fb83090dc93fabade307
[INFO] running `Command { std: "docker" "start" "-a" "0c28bd617df621de47140264b8555e38445adfdd3745fb83090dc93fabade307", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.44s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rustenginelib-dbad4e7a189fc196)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rustengine-a1c735b927d0fe28)
[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 rustenginelib
[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" "0c28bd617df621de47140264b8555e38445adfdd3745fb83090dc93fabade307", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c28bd617df621de47140264b8555e38445adfdd3745fb83090dc93fabade307", kill_on_drop: false }`
[INFO] [stdout] 0c28bd617df621de47140264b8555e38445adfdd3745fb83090dc93fabade307