[INFO] fetching crate field_types 1.1.0...
[INFO] testing field_types-1.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate field_types 1.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate field_types 1.1.0 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 field_types 1.1.0
[INFO] finished tweaking crates.io crate field_types 1.1.0
[INFO] tweaked toml for crates.io crate field_types 1.1.0 written to /workspace/builds/worker-2/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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] ae2a2ae57dc7b1a0e00e91c6fafab7ed1e1782efa1add435657af12ef0114d06
[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" "ae2a2ae57dc7b1a0e00e91c6fafab7ed1e1782efa1add435657af12ef0114d06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ae2a2ae57dc7b1a0e00e91c6fafab7ed1e1782efa1add435657af12ef0114d06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae2a2ae57dc7b1a0e00e91c6fafab7ed1e1782efa1add435657af12ef0114d06", kill_on_drop: false }`
[INFO] [stdout] ae2a2ae57dc7b1a0e00e91c6fafab7ed1e1782efa1add435657af12ef0114d06
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] bb75119076eaa2f965d04f832c12441939d819998b9d371b71346c91f38f118c
[INFO] running `Command { std: "docker" "start" "-a" "bb75119076eaa2f965d04f832c12441939d819998b9d371b71346c91f38f118c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling field_types v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.15s
[INFO] running `Command { std: "docker" "inspect" "bb75119076eaa2f965d04f832c12441939d819998b9d371b71346c91f38f118c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb75119076eaa2f965d04f832c12441939d819998b9d371b71346c91f38f118c", kill_on_drop: false }`
[INFO] [stdout] bb75119076eaa2f965d04f832c12441939d819998b9d371b71346c91f38f118c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0c0985e629c199bdc2ad6554ddde9be52ca9be85a73517ab1de205fc7976ff2c
[INFO] running `Command { std: "docker" "start" "-a" "0c0985e629c199bdc2ad6554ddde9be52ca9be85a73517ab1de205fc7976ff2c", kill_on_drop: false }`
[INFO] [stderr]    Compiling variant_count v1.0.0
[INFO] [stderr]    Compiling field_types v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.50s
[INFO] running `Command { std: "docker" "inspect" "0c0985e629c199bdc2ad6554ddde9be52ca9be85a73517ab1de205fc7976ff2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c0985e629c199bdc2ad6554ddde9be52ca9be85a73517ab1de205fc7976ff2c", kill_on_drop: false }`
[INFO] [stdout] 0c0985e629c199bdc2ad6554ddde9be52ca9be85a73517ab1de205fc7976ff2c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stdout] 3ad0c2912bdbf20de01e9461bb0207cf30dea9f5bd63bd0a948aa6d9207af0dd
[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" "3ad0c2912bdbf20de01e9461bb0207cf30dea9f5bd63bd0a948aa6d9207af0dd", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/field_types-00335f5486f7edb4
[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]      Running /opt/rustwide/target/debug/deps/field_name-42313eabd6ccb654
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/field_type-2c5357a430481018
[INFO] [stdout] test field_name_str ... ok
[INFO] [stdout] test full_field_name_variants ... ok
[INFO] [stdout] test derive_field_name ... ok
[INFO] [stdout] test into_field_name ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test derive_field_type ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/field_types-b5d21d998de98f3d
[INFO] [stdout] test full_field_type_variants ... ok
[INFO] [stdout] test into_field_type ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests field_types
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test field_name_str ... ok
[INFO] [stdout] test full_field_types_variants ... ok
[INFO] [stdout] test derive_field_types ... ok
[INFO] [stdout] test into_field_types ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 26) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3ad0c2912bdbf20de01e9461bb0207cf30dea9f5bd63bd0a948aa6d9207af0dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ad0c2912bdbf20de01e9461bb0207cf30dea9f5bd63bd0a948aa6d9207af0dd", kill_on_drop: false }`
[INFO] [stdout] 3ad0c2912bdbf20de01e9461bb0207cf30dea9f5bd63bd0a948aa6d9207af0dd