[INFO] fetching crate serde-command-opts 0.1.1...
[INFO] testing serde-command-opts-0.1.1 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate serde-command-opts 0.1.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate serde-command-opts 0.1.1 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serde-command-opts 0.1.1
[INFO] finished tweaking crates.io crate serde-command-opts 0.1.1
[INFO] tweaked toml for crates.io crate serde-command-opts 0.1.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e37cd60af56753e1a5e4006470da147764ed20056f919a250cbc6346579f7300
[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" "e37cd60af56753e1a5e4006470da147764ed20056f919a250cbc6346579f7300", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e37cd60af56753e1a5e4006470da147764ed20056f919a250cbc6346579f7300", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e37cd60af56753e1a5e4006470da147764ed20056f919a250cbc6346579f7300", kill_on_drop: false }`
[INFO] [stdout] e37cd60af56753e1a5e4006470da147764ed20056f919a250cbc6346579f7300
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 438f9569150456ff137cbe361ad918bb8748c2a0bee36971c9cf2c40dd4a6ffc
[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" "438f9569150456ff137cbe361ad918bb8748c2a0bee36971c9cf2c40dd4a6ffc", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling snafu-derive v0.6.10
[INFO] [stderr]    Compiling snafu v0.6.10
[INFO] [stderr]    Compiling serde-command-opts v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.45s
[INFO] running `Command { std: "docker" "inspect" "438f9569150456ff137cbe361ad918bb8748c2a0bee36971c9cf2c40dd4a6ffc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "438f9569150456ff137cbe361ad918bb8748c2a0bee36971c9cf2c40dd4a6ffc", kill_on_drop: false }`
[INFO] [stdout] 438f9569150456ff137cbe361ad918bb8748c2a0bee36971c9cf2c40dd4a6ffc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 28eac03e05ec2889b9a5e3630de8b5a38f3b000c80b88861c167be7aa1ec7fca
[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" "28eac03e05ec2889b9a5e3630de8b5a38f3b000c80b88861c167be7aa1ec7fca", kill_on_drop: false }`
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling serde-command-opts v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `Command { std: "docker" "inspect" "28eac03e05ec2889b9a5e3630de8b5a38f3b000c80b88861c167be7aa1ec7fca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28eac03e05ec2889b9a5e3630de8b5a38f3b000c80b88861c167be7aa1ec7fca", kill_on_drop: false }`
[INFO] [stdout] 28eac03e05ec2889b9a5e3630de8b5a38f3b000c80b88861c167be7aa1ec7fca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e4413da7461ef86029e1222b446c3f84072ed0e178c4cc0cc0571dde7b47c9af
[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" "e4413da7461ef86029e1222b446c3f84072ed0e178c4cc0cc0571dde7b47c9af", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/serde_command_opts-fd591910dd83fe3f)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests serde-command-opts
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::test_boolean_modes ... ok
[INFO] [stdout] test tests::test_nested_list ... ok
[INFO] [stdout] test tests::test_simple_struct ... ok
[INFO] [stdout] test tests::test_nested_map ... ok
[INFO] [stdout] test tests::test_optional_field ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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" "e4413da7461ef86029e1222b446c3f84072ed0e178c4cc0cc0571dde7b47c9af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4413da7461ef86029e1222b446c3f84072ed0e178c4cc0cc0571dde7b47c9af", kill_on_drop: false }`
[INFO] [stdout] e4413da7461ef86029e1222b446c3f84072ed0e178c4cc0cc0571dde7b47c9af