[INFO] fetching crate tinyjson 2.2.0...
[INFO] testing tinyjson-2.2.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate tinyjson 2.2.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate tinyjson 2.2.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tinyjson 2.2.0
[INFO] finished tweaking crates.io crate tinyjson 2.2.0
[INFO] tweaked toml for crates.io crate tinyjson 2.2.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate tinyjson 2.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 487398f858611b7f3cd2e51e0faa4048bca97d5692c803c26a8bb3cd91e33efe
[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" "487398f858611b7f3cd2e51e0faa4048bca97d5692c803c26a8bb3cd91e33efe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "487398f858611b7f3cd2e51e0faa4048bca97d5692c803c26a8bb3cd91e33efe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "487398f858611b7f3cd2e51e0faa4048bca97d5692c803c26a8bb3cd91e33efe", kill_on_drop: false }`
[INFO] [stdout] 487398f858611b7f3cd2e51e0faa4048bca97d5692c803c26a8bb3cd91e33efe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 216617bf5f6a561bc0da6d7c11aaa9a62e97e785286943317fcda4b1e31108b4
[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" "216617bf5f6a561bc0da6d7c11aaa9a62e97e785286943317fcda4b1e31108b4", kill_on_drop: false }`
[INFO] [stderr]    Compiling tinyjson v2.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `Command { std: "docker" "inspect" "216617bf5f6a561bc0da6d7c11aaa9a62e97e785286943317fcda4b1e31108b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "216617bf5f6a561bc0da6d7c11aaa9a62e97e785286943317fcda4b1e31108b4", kill_on_drop: false }`
[INFO] [stdout] 216617bf5f6a561bc0da6d7c11aaa9a62e97e785286943317fcda4b1e31108b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] ca39a530e0e1c049d6a0955669bd78c1f63b6199aea41df1a669c7b5446cdccc
[INFO] running `Command { std: "docker" "start" "-a" "ca39a530e0e1c049d6a0955669bd78c1f63b6199aea41df1a669c7b5446cdccc", kill_on_drop: false }`
[INFO] [stderr]    Compiling tinyjson v2.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "ca39a530e0e1c049d6a0955669bd78c1f63b6199aea41df1a669c7b5446cdccc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca39a530e0e1c049d6a0955669bd78c1f63b6199aea41df1a669c7b5446cdccc", kill_on_drop: false }`
[INFO] [stdout] ca39a530e0e1c049d6a0955669bd78c1f63b6199aea41df1a669c7b5446cdccc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f4d46b150cf90d037176a8405d1cfd327ccec340a30895998453351f0848cd22
[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" "f4d46b150cf90d037176a8405d1cfd327ccec340a30895998453351f0848cd22", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tinyjson-43dced3ca0ff1fd9
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests tinyjson
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f4d46b150cf90d037176a8405d1cfd327ccec340a30895998453351f0848cd22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4d46b150cf90d037176a8405d1cfd327ccec340a30895998453351f0848cd22", kill_on_drop: false }`
[INFO] [stdout] f4d46b150cf90d037176a8405d1cfd327ccec340a30895998453351f0848cd22