[INFO] fetching crate subsystem-test-helpers 0.0.0...
[INFO] testing subsystem-test-helpers-0.0.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate subsystem-test-helpers 0.0.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate subsystem-test-helpers 0.0.0 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 subsystem-test-helpers 0.0.0
[INFO] finished tweaking crates.io crate subsystem-test-helpers 0.0.0
[INFO] tweaked toml for crates.io crate subsystem-test-helpers 0.0.0 written to /workspace/builds/worker-3/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 29bd817e09c1de046cc8b22634d22fd3b6fb050d9a00932ea6fafa1d2d8da267
[INFO] running `Command { std: "docker" "start" "-a" "29bd817e09c1de046cc8b22634d22fd3b6fb050d9a00932ea6fafa1d2d8da267", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "29bd817e09c1de046cc8b22634d22fd3b6fb050d9a00932ea6fafa1d2d8da267", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29bd817e09c1de046cc8b22634d22fd3b6fb050d9a00932ea6fafa1d2d8da267", kill_on_drop: false }`
[INFO] [stdout] 29bd817e09c1de046cc8b22634d22fd3b6fb050d9a00932ea6fafa1d2d8da267
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] f48cd751d6c1550da06e0b1dcf729c1b1da82296dbe1b42387205302470b5b18
[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" "f48cd751d6c1550da06e0b1dcf729c1b1da82296dbe1b42387205302470b5b18", kill_on_drop: false }`
[INFO] [stderr]    Compiling subsystem-test-helpers v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.31s
[INFO] running `Command { std: "docker" "inspect" "f48cd751d6c1550da06e0b1dcf729c1b1da82296dbe1b42387205302470b5b18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f48cd751d6c1550da06e0b1dcf729c1b1da82296dbe1b42387205302470b5b18", kill_on_drop: false }`
[INFO] [stdout] f48cd751d6c1550da06e0b1dcf729c1b1da82296dbe1b42387205302470b5b18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 56c3d5157049d06070792d0ad69e0be013659eefb2fcb7dae7e3c093daf045a0
[INFO] running `Command { std: "docker" "start" "-a" "56c3d5157049d06070792d0ad69e0be013659eefb2fcb7dae7e3c093daf045a0", kill_on_drop: false }`
[INFO] [stderr]    Compiling subsystem-test-helpers v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.11s
[INFO] running `Command { std: "docker" "inspect" "56c3d5157049d06070792d0ad69e0be013659eefb2fcb7dae7e3c093daf045a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56c3d5157049d06070792d0ad69e0be013659eefb2fcb7dae7e3c093daf045a0", kill_on_drop: false }`
[INFO] [stdout] 56c3d5157049d06070792d0ad69e0be013659eefb2fcb7dae7e3c093daf045a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] b2ff030341b0caffb229a5e9bddd6f5fbe094e8d81919b3c53de4537e1b87da5
[INFO] running `Command { std: "docker" "start" "-a" "b2ff030341b0caffb229a5e9bddd6f5fbe094e8d81919b3c53de4537e1b87da5", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/subsystem_test_helpers-18cc2070881dcc17)
[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]    Doc-tests subsystem-test-helpers
[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" "b2ff030341b0caffb229a5e9bddd6f5fbe094e8d81919b3c53de4537e1b87da5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2ff030341b0caffb229a5e9bddd6f5fbe094e8d81919b3c53de4537e1b87da5", kill_on_drop: false }`
[INFO] [stdout] b2ff030341b0caffb229a5e9bddd6f5fbe094e8d81919b3c53de4537e1b87da5