[INFO] fetching crate serde-single-key-map 0.1.0...
[INFO] testing serde-single-key-map-0.1.0 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate serde-single-key-map 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate serde-single-key-map 0.1.0 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serde-single-key-map 0.1.0
[INFO] finished tweaking crates.io crate serde-single-key-map 0.1.0
[INFO] tweaked toml for crates.io crate serde-single-key-map 0.1.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] 2039cbf9f3aafed95bd771bfb879ed006bf5c5e0258b0fade6a4fb478e14a6c7
[INFO] running `Command { std: "docker" "start" "-a" "2039cbf9f3aafed95bd771bfb879ed006bf5c5e0258b0fade6a4fb478e14a6c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2039cbf9f3aafed95bd771bfb879ed006bf5c5e0258b0fade6a4fb478e14a6c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2039cbf9f3aafed95bd771bfb879ed006bf5c5e0258b0fade6a4fb478e14a6c7", kill_on_drop: false }`
[INFO] [stdout] 2039cbf9f3aafed95bd771bfb879ed006bf5c5e0258b0fade6a4fb478e14a6c7
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fd3b05bfe352820c387204f5caf9cadac41a6ddbc021dba3166e0cbb92bedfb8
[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" "fd3b05bfe352820c387204f5caf9cadac41a6ddbc021dba3166e0cbb92bedfb8", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.37
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling serde-single-key-map v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.75s
[INFO] running `Command { std: "docker" "inspect" "fd3b05bfe352820c387204f5caf9cadac41a6ddbc021dba3166e0cbb92bedfb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd3b05bfe352820c387204f5caf9cadac41a6ddbc021dba3166e0cbb92bedfb8", kill_on_drop: false }`
[INFO] [stdout] fd3b05bfe352820c387204f5caf9cadac41a6ddbc021dba3166e0cbb92bedfb8
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6b7f3cec655233572addf330b4fb43607a04f6b03ff9fbb69bd4b9d068315cfe
[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" "6b7f3cec655233572addf330b4fb43607a04f6b03ff9fbb69bd4b9d068315cfe", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling serde-single-key-map v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.42s
[INFO] running `Command { std: "docker" "inspect" "6b7f3cec655233572addf330b4fb43607a04f6b03ff9fbb69bd4b9d068315cfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b7f3cec655233572addf330b4fb43607a04f6b03ff9fbb69bd4b9d068315cfe", kill_on_drop: false }`
[INFO] [stdout] 6b7f3cec655233572addf330b4fb43607a04f6b03ff9fbb69bd4b9d068315cfe
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", 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] 77a0c01466434379cf1738aea88f9147f3d9a61266a0f10d97a2ec63a7fbfd25
[INFO] running `Command { std: "docker" "start" "-a" "77a0c01466434379cf1738aea88f9147f3d9a61266a0f10d97a2ec63a7fbfd25", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/serde_single_key_map-5c2560eac27d3f23
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::test_deserialize ... ok
[INFO] [stderr]    Doc-tests serde-single-key-map
[INFO] [stdout] test tests::test_deserialize_with_multiple_keys ... ok
[INFO] [stdout] test tests::test_deserialize_with_empty_map ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 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 13) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "77a0c01466434379cf1738aea88f9147f3d9a61266a0f10d97a2ec63a7fbfd25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77a0c01466434379cf1738aea88f9147f3d9a61266a0f10d97a2ec63a7fbfd25", kill_on_drop: false }`
[INFO] [stdout] 77a0c01466434379cf1738aea88f9147f3d9a61266a0f10d97a2ec63a7fbfd25