[INFO] fetching crate qrcli-rs 0.3.0...
[INFO] testing qrcli-rs-0.3.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate qrcli-rs 0.3.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate qrcli-rs 0.3.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate qrcli-rs 0.3.0
[INFO] finished tweaking crates.io crate qrcli-rs 0.3.0
[INFO] tweaked toml for crates.io crate qrcli-rs 0.3.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] 0e9cd9c9d725a19ac6f018cc2203721e8502b6b51f24c6712552b8c0d43ec942
[INFO] running `Command { std: "docker" "start" "-a" "0e9cd9c9d725a19ac6f018cc2203721e8502b6b51f24c6712552b8c0d43ec942", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0e9cd9c9d725a19ac6f018cc2203721e8502b6b51f24c6712552b8c0d43ec942", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e9cd9c9d725a19ac6f018cc2203721e8502b6b51f24c6712552b8c0d43ec942", kill_on_drop: false }`
[INFO] [stdout] 0e9cd9c9d725a19ac6f018cc2203721e8502b6b51f24c6712552b8c0d43ec942
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] c999d90a3cb06b05865a7d58d2fffd63dd17434bf12d3b2882b7fa5119c523df
[INFO] running `Command { std: "docker" "start" "-a" "c999d90a3cb06b05865a7d58d2fffd63dd17434bf12d3b2882b7fa5119c523df", kill_on_drop: false }`
[INFO] [stderr]    Compiling qrcodegen v1.7.0
[INFO] [stderr]    Compiling qrcli-rs v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.67s
[INFO] running `Command { std: "docker" "inspect" "c999d90a3cb06b05865a7d58d2fffd63dd17434bf12d3b2882b7fa5119c523df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c999d90a3cb06b05865a7d58d2fffd63dd17434bf12d3b2882b7fa5119c523df", kill_on_drop: false }`
[INFO] [stdout] c999d90a3cb06b05865a7d58d2fffd63dd17434bf12d3b2882b7fa5119c523df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] 263c2a7bddec46a0c2beb08b995897861d7a352d4fdb18a708136c327697a9bd
[INFO] running `Command { std: "docker" "start" "-a" "263c2a7bddec46a0c2beb08b995897861d7a352d4fdb18a708136c327697a9bd", kill_on_drop: false }`
[INFO] [stderr]    Compiling qrcli-rs v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `Command { std: "docker" "inspect" "263c2a7bddec46a0c2beb08b995897861d7a352d4fdb18a708136c327697a9bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "263c2a7bddec46a0c2beb08b995897861d7a352d4fdb18a708136c327697a9bd", kill_on_drop: false }`
[INFO] [stdout] 263c2a7bddec46a0c2beb08b995897861d7a352d4fdb18a708136c327697a9bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] 977f8d055db6a20f63a0c458c75d19561a1b03a52c7b4cce04f6dc2235924374
[INFO] running `Command { std: "docker" "start" "-a" "977f8d055db6a20f63a0c458c75d19561a1b03a52c7b4cce04f6dc2235924374", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/qrcli-8a854ccf54793bdb)
[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" "977f8d055db6a20f63a0c458c75d19561a1b03a52c7b4cce04f6dc2235924374", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "977f8d055db6a20f63a0c458c75d19561a1b03a52c7b4cce04f6dc2235924374", kill_on_drop: false }`
[INFO] [stdout] 977f8d055db6a20f63a0c458c75d19561a1b03a52c7b4cce04f6dc2235924374