[INFO] fetching crate form_urlencoded 1.0.0...
[INFO] testing form_urlencoded-1.0.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate form_urlencoded 1.0.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate form_urlencoded 1.0.0 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 form_urlencoded 1.0.0
[INFO] finished tweaking crates.io crate form_urlencoded 1.0.0
[INFO] tweaked toml for crates.io crate form_urlencoded 1.0.0 written to /workspace/builds/worker-5/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] [stderr]     Blocking waiting for file lock on package cache
[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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 3d69124055e2322578cb3a0d45e1c55a4bc6da5b29a776d2fc4acee2133220f8
[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" "3d69124055e2322578cb3a0d45e1c55a4bc6da5b29a776d2fc4acee2133220f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d69124055e2322578cb3a0d45e1c55a4bc6da5b29a776d2fc4acee2133220f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d69124055e2322578cb3a0d45e1c55a4bc6da5b29a776d2fc4acee2133220f8", kill_on_drop: false }`
[INFO] [stdout] 3d69124055e2322578cb3a0d45e1c55a4bc6da5b29a776d2fc4acee2133220f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 262cebd3f56f0bb24f8ba2c7272d4c4bb734e0f2916fe7a092ff4785ac9df712
[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" "262cebd3f56f0bb24f8ba2c7272d4c4bb734e0f2916fe7a092ff4785ac9df712", kill_on_drop: false }`
[INFO] [stderr]    Compiling form_urlencoded v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `Command { std: "docker" "inspect" "262cebd3f56f0bb24f8ba2c7272d4c4bb734e0f2916fe7a092ff4785ac9df712", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "262cebd3f56f0bb24f8ba2c7272d4c4bb734e0f2916fe7a092ff4785ac9df712", kill_on_drop: false }`
[INFO] [stdout] 262cebd3f56f0bb24f8ba2c7272d4c4bb734e0f2916fe7a092ff4785ac9df712
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c1f27e518c5abef87b005a248a2bcaa22f3d2ee0a780afc1337ffa199e2f0061
[INFO] running `Command { std: "docker" "start" "-a" "c1f27e518c5abef87b005a248a2bcaa22f3d2ee0a780afc1337ffa199e2f0061", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] running `Command { std: "docker" "inspect" "c1f27e518c5abef87b005a248a2bcaa22f3d2ee0a780afc1337ffa199e2f0061", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1f27e518c5abef87b005a248a2bcaa22f3d2ee0a780afc1337ffa199e2f0061", kill_on_drop: false }`
[INFO] [stdout] c1f27e518c5abef87b005a248a2bcaa22f3d2ee0a780afc1337ffa199e2f0061
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] cb3fd350c4416ce59a1c0d6e8b91c764d0875676cd4e85e36b9eac7989581d3d
[INFO] running `Command { std: "docker" "start" "-a" "cb3fd350c4416ce59a1c0d6e8b91c764d0875676cd4e85e36b9eac7989581d3d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]    Doc-tests form_urlencoded
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - Serializer::finish (line 285) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.50s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "cb3fd350c4416ce59a1c0d6e8b91c764d0875676cd4e85e36b9eac7989581d3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb3fd350c4416ce59a1c0d6e8b91c764d0875676cd4e85e36b9eac7989581d3d", kill_on_drop: false }`
[INFO] [stdout] cb3fd350c4416ce59a1c0d6e8b91c764d0875676cd4e85e36b9eac7989581d3d