[INFO] fetching crate twister 0.1.0...
[INFO] testing twister-0.1.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate twister 0.1.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate twister 0.1.0 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 twister 0.1.0
[INFO] finished tweaking crates.io crate twister 0.1.0
[INFO] tweaked toml for crates.io crate twister 0.1.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate twister 0.1.0 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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6931b448f8905e969b5b3071f90866ae03cf14f788451b713ee1f91e52a0ddc4
[INFO] running `Command { std: "docker" "start" "-a" "6931b448f8905e969b5b3071f90866ae03cf14f788451b713ee1f91e52a0ddc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6931b448f8905e969b5b3071f90866ae03cf14f788451b713ee1f91e52a0ddc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6931b448f8905e969b5b3071f90866ae03cf14f788451b713ee1f91e52a0ddc4", kill_on_drop: false }`
[INFO] [stdout] 6931b448f8905e969b5b3071f90866ae03cf14f788451b713ee1f91e52a0ddc4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6f9c0175238875672675d39b2f7d353574b7218e18142aadfae79e05e5ccfd16
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6f9c0175238875672675d39b2f7d353574b7218e18142aadfae79e05e5ccfd16", kill_on_drop: false }`
[INFO] [stderr]    Compiling twister v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.91s
[INFO] running `Command { std: "docker" "inspect" "6f9c0175238875672675d39b2f7d353574b7218e18142aadfae79e05e5ccfd16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f9c0175238875672675d39b2f7d353574b7218e18142aadfae79e05e5ccfd16", kill_on_drop: false }`
[INFO] [stdout] 6f9c0175238875672675d39b2f7d353574b7218e18142aadfae79e05e5ccfd16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 669bcdcc5ecb1eae97a08db9b5768a23ff02107617119c2ab6daff0fcbb2c1ba
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "669bcdcc5ecb1eae97a08db9b5768a23ff02107617119c2ab6daff0fcbb2c1ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling twister v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `Command { std: "docker" "inspect" "669bcdcc5ecb1eae97a08db9b5768a23ff02107617119c2ab6daff0fcbb2c1ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "669bcdcc5ecb1eae97a08db9b5768a23ff02107617119c2ab6daff0fcbb2c1ba", kill_on_drop: false }`
[INFO] [stdout] 669bcdcc5ecb1eae97a08db9b5768a23ff02107617119c2ab6daff0fcbb2c1ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 30ebea6fef4c363de5d27cf10f4d427b6c3a1f991c225e7a144482a676f9041e
[INFO] running `Command { std: "docker" "start" "-a" "30ebea6fef4c363de5d27cf10f4d427b6c3a1f991c225e7a144482a676f9041e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/twister-9dd3316126250b06)
[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" "30ebea6fef4c363de5d27cf10f4d427b6c3a1f991c225e7a144482a676f9041e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30ebea6fef4c363de5d27cf10f4d427b6c3a1f991c225e7a144482a676f9041e", kill_on_drop: false }`
[INFO] [stdout] 30ebea6fef4c363de5d27cf10f4d427b6c3a1f991c225e7a144482a676f9041e