[INFO] fetching crate tojson_macros 0.3.4...
[INFO] testing tojson_macros-0.3.4 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate tojson_macros 0.3.4 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate tojson_macros 0.3.4 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 tojson_macros 0.3.4
[INFO] finished tweaking crates.io crate tojson_macros 0.3.4
[INFO] tweaked toml for crates.io crate tojson_macros 0.3.4 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ce5f54b728e70f4e88140bbbd26513d1e332ea3601cbc6488f181a15af4e86d5
[INFO] running `Command { std: "docker" "start" "-a" "ce5f54b728e70f4e88140bbbd26513d1e332ea3601cbc6488f181a15af4e86d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce5f54b728e70f4e88140bbbd26513d1e332ea3601cbc6488f181a15af4e86d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce5f54b728e70f4e88140bbbd26513d1e332ea3601cbc6488f181a15af4e86d5", kill_on_drop: false }`
[INFO] [stdout] ce5f54b728e70f4e88140bbbd26513d1e332ea3601cbc6488f181a15af4e86d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] [stdout] eff04b72d8e32eab9d452c8e268bdd0cd45817b7f016a54decbf1261ec17dfc6
[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" "eff04b72d8e32eab9d452c8e268bdd0cd45817b7f016a54decbf1261ec17dfc6", kill_on_drop: false }`
[INFO] [stderr]    Compiling tojson_macros v0.3.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `Command { std: "docker" "inspect" "eff04b72d8e32eab9d452c8e268bdd0cd45817b7f016a54decbf1261ec17dfc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eff04b72d8e32eab9d452c8e268bdd0cd45817b7f016a54decbf1261ec17dfc6", kill_on_drop: false }`
[INFO] [stdout] eff04b72d8e32eab9d452c8e268bdd0cd45817b7f016a54decbf1261ec17dfc6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] f80a8498680ccf000432b99847b78e63bb335f7accc7720d3800a94db9a4750f
[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" "f80a8498680ccf000432b99847b78e63bb335f7accc7720d3800a94db9a4750f", kill_on_drop: false }`
[INFO] [stderr]    Compiling tojson_macros v0.3.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.70s
[INFO] running `Command { std: "docker" "inspect" "f80a8498680ccf000432b99847b78e63bb335f7accc7720d3800a94db9a4750f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f80a8498680ccf000432b99847b78e63bb335f7accc7720d3800a94db9a4750f", kill_on_drop: false }`
[INFO] [stdout] f80a8498680ccf000432b99847b78e63bb335f7accc7720d3800a94db9a4750f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] ede95f25fc3efa0a076bd5773b18461ecab07663c9458da5601cc274ed5fe89e
[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" "ede95f25fc3efa0a076bd5773b18461ecab07663c9458da5601cc274ed5fe89e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/simple-539175b3e22cabe0
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tojson_macros
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_gen ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[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" "ede95f25fc3efa0a076bd5773b18461ecab07663c9458da5601cc274ed5fe89e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ede95f25fc3efa0a076bd5773b18461ecab07663c9458da5601cc274ed5fe89e", kill_on_drop: false }`
[INFO] [stdout] ede95f25fc3efa0a076bd5773b18461ecab07663c9458da5601cc274ed5fe89e