[INFO] cloning repository https://github.com/kbacha/enum_serde
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kbacha/enum_serde" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkbacha%2Fenum_serde", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkbacha%2Fenum_serde'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 52a52c0bfb63e97c77008c01207d71ae0ba3acd3
[INFO] testing kbacha/enum_serde against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkbacha%2Fenum_serde" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kbacha/enum_serde 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 git repo https://github.com/kbacha/enum_serde
[INFO] finished tweaking git repo https://github.com/kbacha/enum_serde
[INFO] tweaked toml for git repo https://github.com/kbacha/enum_serde written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/kbacha/enum_serde 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_derive_internals v0.20.1
[INFO] [stderr]   Downloaded serde_derive v1.0.32
[INFO] [stderr]   Downloaded serde v1.0.32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 164d592cde1769d419fe9e79a67d87c7f4365c219abaa229089c4d662c80f3d4
[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" "164d592cde1769d419fe9e79a67d87c7f4365c219abaa229089c4d662c80f3d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "164d592cde1769d419fe9e79a67d87c7f4365c219abaa229089c4d662c80f3d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "164d592cde1769d419fe9e79a67d87c7f4365c219abaa229089c4d662c80f3d4", kill_on_drop: false }`
[INFO] [stdout] 164d592cde1769d419fe9e79a67d87c7f4365c219abaa229089c4d662c80f3d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 3131ebdbe1afff9a520091fabc4bf1d243cf36a5c8132b4de57fcce8941aa27b
[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" "3131ebdbe1afff9a520091fabc4bf1d243cf36a5c8132b4de57fcce8941aa27b", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.1
[INFO] [stderr]    Compiling serde v1.0.32
[INFO] [stderr]    Compiling syn v0.12.14
[INFO] [stderr]    Compiling serde_derive_internals v0.20.1
[INFO] [stderr]    Compiling serde_derive v1.0.32
[INFO] [stderr]    Compiling serde_json v1.0.11
[INFO] [stderr]    Compiling enum_serde v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.60s
[INFO] running `Command { std: "docker" "inspect" "3131ebdbe1afff9a520091fabc4bf1d243cf36a5c8132b4de57fcce8941aa27b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3131ebdbe1afff9a520091fabc4bf1d243cf36a5c8132b4de57fcce8941aa27b", kill_on_drop: false }`
[INFO] [stdout] 3131ebdbe1afff9a520091fabc4bf1d243cf36a5c8132b4de57fcce8941aa27b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 0fa71a939124bc63dca1d2431dcb92ac4f18de991d397aaf1a72b5daf42e8428
[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" "0fa71a939124bc63dca1d2431dcb92ac4f18de991d397aaf1a72b5daf42e8428", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling enum_serde v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `Command { std: "docker" "inspect" "0fa71a939124bc63dca1d2431dcb92ac4f18de991d397aaf1a72b5daf42e8428", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fa71a939124bc63dca1d2431dcb92ac4f18de991d397aaf1a72b5daf42e8428", kill_on_drop: false }`
[INFO] [stdout] 0fa71a939124bc63dca1d2431dcb92ac4f18de991d397aaf1a72b5daf42e8428
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] d87ff05849b393fafa90f071a4f4e00905402c241ab556378cf97954a6d1fc12
[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" "d87ff05849b393fafa90f071a4f4e00905402c241ab556378cf97954a6d1fc12", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/enum_serde-44de88d55d3d3805
[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" "d87ff05849b393fafa90f071a4f4e00905402c241ab556378cf97954a6d1fc12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d87ff05849b393fafa90f071a4f4e00905402c241ab556378cf97954a6d1fc12", kill_on_drop: false }`
[INFO] [stdout] d87ff05849b393fafa90f071a4f4e00905402c241ab556378cf97954a6d1fc12