[INFO] fetching crate arg_enum_proc_macro 0.3.0...
[INFO] testing arg_enum_proc_macro-0.3.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate arg_enum_proc_macro 0.3.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate arg_enum_proc_macro 0.3.0 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 arg_enum_proc_macro 0.3.0
[INFO] finished tweaking crates.io crate arg_enum_proc_macro 0.3.0
[INFO] tweaked toml for crates.io crate arg_enum_proc_macro 0.3.0 written to /workspace/builds/worker-8/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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] fe92ba7da782ce388969922b63335ea7de87a086b457ea8727ca67fd85df69ba
[INFO] running `Command { std: "docker" "start" "-a" "fe92ba7da782ce388969922b63335ea7de87a086b457ea8727ca67fd85df69ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fe92ba7da782ce388969922b63335ea7de87a086b457ea8727ca67fd85df69ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe92ba7da782ce388969922b63335ea7de87a086b457ea8727ca67fd85df69ba", kill_on_drop: false }`
[INFO] [stdout] fe92ba7da782ce388969922b63335ea7de87a086b457ea8727ca67fd85df69ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 714f1108984480b90ec303fb614813daeb19373dc312695d2e60138fc50ffb8e
[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" "714f1108984480b90ec303fb614813daeb19373dc312695d2e60138fc50ffb8e", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling arg_enum_proc_macro v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.61s
[INFO] running `Command { std: "docker" "inspect" "714f1108984480b90ec303fb614813daeb19373dc312695d2e60138fc50ffb8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "714f1108984480b90ec303fb614813daeb19373dc312695d2e60138fc50ffb8e", kill_on_drop: false }`
[INFO] [stdout] 714f1108984480b90ec303fb614813daeb19373dc312695d2e60138fc50ffb8e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 0febad19523fc864979b94300ba98ef7e685eaef15504c7c4b015ecd312e4df0
[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" "0febad19523fc864979b94300ba98ef7e685eaef15504c7c4b015ecd312e4df0", kill_on_drop: false }`
[INFO] [stderr]    Compiling arg_enum_proc_macro v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `Command { std: "docker" "inspect" "0febad19523fc864979b94300ba98ef7e685eaef15504c7c4b015ecd312e4df0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0febad19523fc864979b94300ba98ef7e685eaef15504c7c4b015ecd312e4df0", kill_on_drop: false }`
[INFO] [stdout] 0febad19523fc864979b94300ba98ef7e685eaef15504c7c4b015ecd312e4df0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 781926efd6cb9d38a4b92547d538829573ac9ab9c8477d0001e3ce3cbd67a7cb
[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" "781926efd6cb9d38a4b92547d538829573ac9ab9c8477d0001e3ce3cbd67a7cb", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/enums-acffe60933545b4c
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test alias::parse ... ok
[INFO] [stdout] test parse ... ok
[INFO] [stdout] test alias::variants ... ok
[INFO] [stdout] test variants ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests arg_enum_proc_macro
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - arg_enum (line 84) ... ok
[INFO] [stdout] test src/lib.rs - arg_enum (line 72) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.17s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "781926efd6cb9d38a4b92547d538829573ac9ab9c8477d0001e3ce3cbd67a7cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "781926efd6cb9d38a4b92547d538829573ac9ab9c8477d0001e3ce3cbd67a7cb", kill_on_drop: false }`
[INFO] [stdout] 781926efd6cb9d38a4b92547d538829573ac9ab9c8477d0001e3ce3cbd67a7cb