[INFO] fetching crate jsonxs 0.0.1...
[INFO] testing jsonxs-0.0.1 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate jsonxs 0.0.1 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate jsonxs 0.0.1 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate jsonxs 0.0.1
[INFO] finished tweaking crates.io crate jsonxs 0.0.1
[INFO] tweaked toml for crates.io crate jsonxs 0.0.1 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate jsonxs 0.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c77dc7d33f54ac0e08576314babefd661f27de7ae4bf6614dd87ad0d277962cb
[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" "c77dc7d33f54ac0e08576314babefd661f27de7ae4bf6614dd87ad0d277962cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c77dc7d33f54ac0e08576314babefd661f27de7ae4bf6614dd87ad0d277962cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c77dc7d33f54ac0e08576314babefd661f27de7ae4bf6614dd87ad0d277962cb", kill_on_drop: false }`
[INFO] [stdout] c77dc7d33f54ac0e08576314babefd661f27de7ae4bf6614dd87ad0d277962cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] 8680c3c25e6407b99834ee713bf7b43e92b7269347824a3ced55a7f59d67c515
[INFO] running `Command { std: "docker" "start" "-a" "8680c3c25e6407b99834ee713bf7b43e92b7269347824a3ced55a7f59d67c515", kill_on_drop: false }`
[INFO] [stderr]    Compiling jsonxs v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "8680c3c25e6407b99834ee713bf7b43e92b7269347824a3ced55a7f59d67c515", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8680c3c25e6407b99834ee713bf7b43e92b7269347824a3ced55a7f59d67c515", kill_on_drop: false }`
[INFO] [stdout] 8680c3c25e6407b99834ee713bf7b43e92b7269347824a3ced55a7f59d67c515
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5d9adf54b8d6b6c0060e4cf7ad6dacace45866af0a8efcf09b49edfd5d975a20
[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" "5d9adf54b8d6b6c0060e4cf7ad6dacace45866af0a8efcf09b49edfd5d975a20", kill_on_drop: false }`
[INFO] [stderr]    Compiling jsonxs v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "5d9adf54b8d6b6c0060e4cf7ad6dacace45866af0a8efcf09b49edfd5d975a20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d9adf54b8d6b6c0060e4cf7ad6dacace45866af0a8efcf09b49edfd5d975a20", kill_on_drop: false }`
[INFO] [stdout] 5d9adf54b8d6b6c0060e4cf7ad6dacace45866af0a8efcf09b49edfd5d975a20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7c1043f0470a1b750cee45be2b540583bb35ec19d4bd9b9aa50f8c0707bc57d6
[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" "7c1043f0470a1b750cee45be2b540583bb35ec19d4bd9b9aa50f8c0707bc57d6", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/jsonxs-af6465613af7caab
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] 
[INFO] [stdout] []test jsonxs::tests::test_array_empty ... ok
[INFO] [stdout] test jsonxs::tests::test_object_empty ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests jsonxs
[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" "7c1043f0470a1b750cee45be2b540583bb35ec19d4bd9b9aa50f8c0707bc57d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c1043f0470a1b750cee45be2b540583bb35ec19d4bd9b9aa50f8c0707bc57d6", kill_on_drop: false }`
[INFO] [stdout] 7c1043f0470a1b750cee45be2b540583bb35ec19d4bd9b9aa50f8c0707bc57d6