[INFO] fetching crate rgen 0.5.0...
[INFO] testing rgen-0.5.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate rgen 0.5.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate rgen 0.5.0 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 rgen 0.5.0
[INFO] finished tweaking crates.io crate rgen 0.5.0
[INFO] tweaked toml for crates.io crate rgen 0.5.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded signifix v0.9.0
[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] fafac9f5cf3dc9a945c02b4de565764b9da91f383d1665ee1be721335559a70d
[INFO] running `Command { std: "docker" "start" "-a" "fafac9f5cf3dc9a945c02b4de565764b9da91f383d1665ee1be721335559a70d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fafac9f5cf3dc9a945c02b4de565764b9da91f383d1665ee1be721335559a70d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fafac9f5cf3dc9a945c02b4de565764b9da91f383d1665ee1be721335559a70d", kill_on_drop: false }`
[INFO] [stdout] fafac9f5cf3dc9a945c02b4de565764b9da91f383d1665ee1be721335559a70d
[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] 1e685f3008397e94cf5c8a00734636f6d39d54963f90372f78538ef3648ca517
[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" "1e685f3008397e94cf5c8a00734636f6d39d54963f90372f78538ef3648ca517", kill_on_drop: false }`
[INFO] [stderr]    Compiling signifix v0.9.0
[INFO] [stderr]    Compiling array_tool v1.0.3
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling rgen v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.53s
[INFO] running `Command { std: "docker" "inspect" "1e685f3008397e94cf5c8a00734636f6d39d54963f90372f78538ef3648ca517", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e685f3008397e94cf5c8a00734636f6d39d54963f90372f78538ef3648ca517", kill_on_drop: false }`
[INFO] [stdout] 1e685f3008397e94cf5c8a00734636f6d39d54963f90372f78538ef3648ca517
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 63b31961e650f6654d43544186dbbc6d1b3d2b76bd9cea7d45af127ec92220c1
[INFO] running `Command { std: "docker" "start" "-a" "63b31961e650f6654d43544186dbbc6d1b3d2b76bd9cea7d45af127ec92220c1", kill_on_drop: false }`
[INFO] [stderr]    Compiling rgen v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.35s
[INFO] running `Command { std: "docker" "inspect" "63b31961e650f6654d43544186dbbc6d1b3d2b76bd9cea7d45af127ec92220c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63b31961e650f6654d43544186dbbc6d1b3d2b76bd9cea7d45af127ec92220c1", kill_on_drop: false }`
[INFO] [stdout] 63b31961e650f6654d43544186dbbc6d1b3d2b76bd9cea7d45af127ec92220c1
[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] 6a47275b5019593016469a32a779ba68886eb7e9eed4a8ef4948edbc9dbaf1ce
[INFO] running `Command { std: "docker" "start" "-a" "6a47275b5019593016469a32a779ba68886eb7e9eed4a8ef4948edbc9dbaf1ce", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.41s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rgen-dd8401600b3aeb82)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_random_data ... 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]    Doc-tests rgen
[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" "6a47275b5019593016469a32a779ba68886eb7e9eed4a8ef4948edbc9dbaf1ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a47275b5019593016469a32a779ba68886eb7e9eed4a8ef4948edbc9dbaf1ce", kill_on_drop: false }`
[INFO] [stdout] 6a47275b5019593016469a32a779ba68886eb7e9eed4a8ef4948edbc9dbaf1ce