[INFO] fetching crate sing_rs 0.1.3...
[INFO] testing sing_rs-0.1.3 against 1.60.0 for beta-1.61-1
[INFO] extracting crate sing_rs 0.1.3 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate sing_rs 0.1.3 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 sing_rs 0.1.3
[INFO] finished tweaking crates.io crate sing_rs 0.1.3
[INFO] tweaked toml for crates.io crate sing_rs 0.1.3 written to /workspace/builds/worker-6/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 sing_macros v0.1.3
[INFO] [stderr]   Downloaded sing_parse v0.1.3
[INFO] [stderr]   Downloaded sing_util v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] c0caf69328341c4351b6277984b5539e2a5a3f25c3f931c89009001a778cb1e7
[INFO] running `Command { std: "docker" "start" "-a" "c0caf69328341c4351b6277984b5539e2a5a3f25c3f931c89009001a778cb1e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c0caf69328341c4351b6277984b5539e2a5a3f25c3f931c89009001a778cb1e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0caf69328341c4351b6277984b5539e2a5a3f25c3f931c89009001a778cb1e7", kill_on_drop: false }`
[INFO] [stdout] c0caf69328341c4351b6277984b5539e2a5a3f25c3f931c89009001a778cb1e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 512e54d130326d1a3123a251318e5d15f230101590417bb23d7b5c98a2415a4b
[INFO] running `Command { std: "docker" "start" "-a" "512e54d130326d1a3123a251318e5d15f230101590417bb23d7b5c98a2415a4b", kill_on_drop: false }`
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling sing_parse v0.1.3
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling sing_util v0.1.3
[INFO] [stderr]    Compiling ron v0.7.0
[INFO] [stderr]    Compiling sing_macros v0.1.3
[INFO] [stderr]    Compiling sing_rs v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.24s
[INFO] running `Command { std: "docker" "inspect" "512e54d130326d1a3123a251318e5d15f230101590417bb23d7b5c98a2415a4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "512e54d130326d1a3123a251318e5d15f230101590417bb23d7b5c98a2415a4b", kill_on_drop: false }`
[INFO] [stdout] 512e54d130326d1a3123a251318e5d15f230101590417bb23d7b5c98a2415a4b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] b568050527c09e3c5beaf3e74349030e4acf804c255c249aeb2ec45efdbfc64f
[INFO] running `Command { std: "docker" "start" "-a" "b568050527c09e3c5beaf3e74349030e4acf804c255c249aeb2ec45efdbfc64f", kill_on_drop: false }`
[INFO] [stderr]    Compiling sing_rs v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.26s
[INFO] running `Command { std: "docker" "inspect" "b568050527c09e3c5beaf3e74349030e4acf804c255c249aeb2ec45efdbfc64f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b568050527c09e3c5beaf3e74349030e4acf804c255c249aeb2ec45efdbfc64f", kill_on_drop: false }`
[INFO] [stdout] b568050527c09e3c5beaf3e74349030e4acf804c255c249aeb2ec45efdbfc64f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 6d22e718c88b6b2191284b64abf0185ff12e575aa1e36203572e491efb6dc391
[INFO] running `Command { std: "docker" "start" "-a" "6d22e718c88b6b2191284b64abf0185ff12e575aa1e36203572e491efb6dc391", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.19s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/sing_rs-bd339030241352b5)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests sing_rs
[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] [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" "6d22e718c88b6b2191284b64abf0185ff12e575aa1e36203572e491efb6dc391", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d22e718c88b6b2191284b64abf0185ff12e575aa1e36203572e491efb6dc391", kill_on_drop: false }`
[INFO] [stdout] 6d22e718c88b6b2191284b64abf0185ff12e575aa1e36203572e491efb6dc391