[INFO] fetching crate koto_toml 0.5.0...
[INFO] testing koto_toml-0.5.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate koto_toml 0.5.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate koto_toml 0.5.0 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 koto_toml 0.5.0
[INFO] finished tweaking crates.io crate koto_toml 0.5.0
[INFO] tweaked toml for crates.io crate koto_toml 0.5.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 419305bc982537b6941fe4f098b1b6751dcd4d2a9e7df850f0087cd7bc57e923
[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" "419305bc982537b6941fe4f098b1b6751dcd4d2a9e7df850f0087cd7bc57e923", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "419305bc982537b6941fe4f098b1b6751dcd4d2a9e7df850f0087cd7bc57e923", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "419305bc982537b6941fe4f098b1b6751dcd4d2a9e7df850f0087cd7bc57e923", kill_on_drop: false }`
[INFO] [stdout] 419305bc982537b6941fe4f098b1b6751dcd4d2a9e7df850f0087cd7bc57e923
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+1.49.0" "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] c99bef8e6497ce3ed659de8b584c7a649da111d6aebc75868c687b94bc5bdc51
[INFO] running `Command { std: "docker" "start" "-a" "c99bef8e6497ce3ed659de8b584c7a649da111d6aebc75868c687b94bc5bdc51", kill_on_drop: false }`
[INFO] [stderr]    Compiling koto_lexer v0.5.0
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling koto_parser v0.5.0
[INFO] [stderr]    Compiling koto_bytecode v0.5.0
[INFO] [stderr]    Compiling koto_runtime v0.5.0
[INFO] [stderr]    Compiling koto_serialize v0.5.0
[INFO] [stderr]    Compiling koto_toml v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.91s
[INFO] running `Command { std: "docker" "inspect" "c99bef8e6497ce3ed659de8b584c7a649da111d6aebc75868c687b94bc5bdc51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c99bef8e6497ce3ed659de8b584c7a649da111d6aebc75868c687b94bc5bdc51", kill_on_drop: false }`
[INFO] [stdout] c99bef8e6497ce3ed659de8b584c7a649da111d6aebc75868c687b94bc5bdc51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a404f6b7f4f247f1f7e72b0ab6ad4fe6c9bb9bfac1857b31adce484b8a7cf3a
[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" "9a404f6b7f4f247f1f7e72b0ab6ad4fe6c9bb9bfac1857b31adce484b8a7cf3a", kill_on_drop: false }`
[INFO] [stderr]    Compiling koto_toml v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `Command { std: "docker" "inspect" "9a404f6b7f4f247f1f7e72b0ab6ad4fe6c9bb9bfac1857b31adce484b8a7cf3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a404f6b7f4f247f1f7e72b0ab6ad4fe6c9bb9bfac1857b31adce484b8a7cf3a", kill_on_drop: false }`
[INFO] [stdout] 9a404f6b7f4f247f1f7e72b0ab6ad4fe6c9bb9bfac1857b31adce484b8a7cf3a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+1.49.0" "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] 0e954bbfd1fa034a122530d716b962c19e26b49bbb179d5f0e86583f054798b6
[INFO] running `Command { std: "docker" "start" "-a" "0e954bbfd1fa034a122530d716b962c19e26b49bbb179d5f0e86583f054798b6", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/koto_toml-b66d3dcf1079e621
[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] [stderr]    Doc-tests koto_toml
[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" "0e954bbfd1fa034a122530d716b962c19e26b49bbb179d5f0e86583f054798b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e954bbfd1fa034a122530d716b962c19e26b49bbb179d5f0e86583f054798b6", kill_on_drop: false }`
[INFO] [stdout] 0e954bbfd1fa034a122530d716b962c19e26b49bbb179d5f0e86583f054798b6