[INFO] cloning repository https://github.com/wezm/serde-duplicate-field
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wezm/serde-duplicate-field" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwezm%2Fserde-duplicate-field", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwezm%2Fserde-duplicate-field'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6cd23ec38321f71c5dcecceb7c52c1daf82da5c1
[INFO] testing wezm/serde-duplicate-field against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwezm%2Fserde-duplicate-field" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wezm/serde-duplicate-field on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/wezm/serde-duplicate-field
[INFO] finished tweaking git repo https://github.com/wezm/serde-duplicate-field
[INFO] tweaked toml for git repo https://github.com/wezm/serde-duplicate-field written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/wezm/serde-duplicate-field already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_derive_internals v0.22.2
[INFO] [stderr]   Downloaded serde_derive v1.0.36
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f7cddecefd7670521074346db2e8b0a739d8128bd9978391c35e0f677c5360d5
[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" "f7cddecefd7670521074346db2e8b0a739d8128bd9978391c35e0f677c5360d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f7cddecefd7670521074346db2e8b0a739d8128bd9978391c35e0f677c5360d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7cddecefd7670521074346db2e8b0a739d8128bd9978391c35e0f677c5360d5", kill_on_drop: false }`
[INFO] [stdout] f7cddecefd7670521074346db2e8b0a739d8128bd9978391c35e0f677c5360d5
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "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] f8bbd7c31bc6b9292e40927ac3b8f05c6c37a665c2976ecbbcefd600937ee00d
[INFO] running `Command { std: "docker" "start" "-a" "f8bbd7c31bc6b9292e40927ac3b8f05c6c37a665c2976ecbbcefd600937ee00d", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.2
[INFO] [stderr]    Compiling itoa v0.4.1
[INFO] [stderr]    Compiling serde v1.0.36
[INFO] [stderr]    Compiling proc-macro2 v0.2.3
[INFO] [stderr]    Compiling quote v0.4.2
[INFO] [stderr]    Compiling syn v0.12.15
[INFO] [stderr]    Compiling serde_derive_internals v0.22.2
[INFO] [stderr]    Compiling serde_derive v1.0.36
[INFO] [stderr]    Compiling serde_json v1.0.13
[INFO] [stderr]    Compiling serde-duplicate-field v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.54s
[INFO] running `Command { std: "docker" "inspect" "f8bbd7c31bc6b9292e40927ac3b8f05c6c37a665c2976ecbbcefd600937ee00d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8bbd7c31bc6b9292e40927ac3b8f05c6c37a665c2976ecbbcefd600937ee00d", kill_on_drop: false }`
[INFO] [stdout] f8bbd7c31bc6b9292e40927ac3b8f05c6c37a665c2976ecbbcefd600937ee00d
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 55e438a894067ad77a81b8e6bd2d054d4c41c79125c7ed471c069483ccdc75c3
[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" "55e438a894067ad77a81b8e6bd2d054d4c41c79125c7ed471c069483ccdc75c3", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde-duplicate-field v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.91s
[INFO] running `Command { std: "docker" "inspect" "55e438a894067ad77a81b8e6bd2d054d4c41c79125c7ed471c069483ccdc75c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55e438a894067ad77a81b8e6bd2d054d4c41c79125c7ed471c069483ccdc75c3", kill_on_drop: false }`
[INFO] [stdout] 55e438a894067ad77a81b8e6bd2d054d4c41c79125c7ed471c069483ccdc75c3
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9a4fa55f220a259402954f5601349684a98121a46bd50161ea3e8176f077ea4e
[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" "9a4fa55f220a259402954f5601349684a98121a46bd50161ea3e8176f077ea4e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/serde_duplicate_field-b68a4b29407742fe)
[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" "9a4fa55f220a259402954f5601349684a98121a46bd50161ea3e8176f077ea4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a4fa55f220a259402954f5601349684a98121a46bd50161ea3e8176f077ea4e", kill_on_drop: false }`
[INFO] [stdout] 9a4fa55f220a259402954f5601349684a98121a46bd50161ea3e8176f077ea4e