[INFO] fetching crate serde_urlencoded 0.7.0...
[INFO] testing serde_urlencoded-0.7.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate serde_urlencoded 0.7.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate serde_urlencoded 0.7.0 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 serde_urlencoded 0.7.0
[INFO] finished tweaking crates.io crate serde_urlencoded 0.7.0
[INFO] tweaked toml for crates.io crate serde_urlencoded 0.7.0 written to /workspace/builds/worker-6/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] 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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 91b71a3fac5dccdda315f0556aeaa1f05288edfece4cd1c2721fc1a545083fd5
[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" "91b71a3fac5dccdda315f0556aeaa1f05288edfece4cd1c2721fc1a545083fd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "91b71a3fac5dccdda315f0556aeaa1f05288edfece4cd1c2721fc1a545083fd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91b71a3fac5dccdda315f0556aeaa1f05288edfece4cd1c2721fc1a545083fd5", kill_on_drop: false }`
[INFO] [stdout] 91b71a3fac5dccdda315f0556aeaa1f05288edfece4cd1c2721fc1a545083fd5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0782dfc175a46a732b18fe2d7d6c8a374b23764feb632f189310ec7c78c6e00a
[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" "0782dfc175a46a732b18fe2d7d6c8a374b23764feb632f189310ec7c78c6e00a", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_urlencoded v0.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/ser/mod.rs:80:37
[INFO] [stdout]    |
[INFO] [stdout] 80 |             Error::Utf8(ref err) => error::Error::description(err),
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.27s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0782dfc175a46a732b18fe2d7d6c8a374b23764feb632f189310ec7c78c6e00a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0782dfc175a46a732b18fe2d7d6c8a374b23764feb632f189310ec7c78c6e00a", kill_on_drop: false }`
[INFO] [stdout] 0782dfc175a46a732b18fe2d7d6c8a374b23764feb632f189310ec7c78c6e00a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] af2f75dabd370a746ba01023f2375d2eb9f1751db02ed19f1cae67160848bd2a
[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" "af2f75dabd370a746ba01023f2375d2eb9f1751db02ed19f1cae67160848bd2a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/ser/mod.rs:80:37
[INFO] [stdout]    |
[INFO] [stdout] 80 |             Error::Utf8(ref err) => error::Error::description(err),
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling serde_urlencoded v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 15.58s
[INFO] running `Command { std: "docker" "inspect" "af2f75dabd370a746ba01023f2375d2eb9f1751db02ed19f1cae67160848bd2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af2f75dabd370a746ba01023f2375d2eb9f1751db02ed19f1cae67160848bd2a", kill_on_drop: false }`
[INFO] [stdout] af2f75dabd370a746ba01023f2375d2eb9f1751db02ed19f1cae67160848bd2a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/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] fe6abf3ee976c442dd5a9464181e03ea0c7a26a52dcf98a5f7526019aed41a66
[INFO] running `Command { std: "docker" "start" "-a" "fe6abf3ee976c442dd5a9464181e03ea0c7a26a52dcf98a5f7526019aed41a66", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/ser/mod.rs:80:37
[INFO] [stderr]    |
[INFO] [stderr] 80 |             Error::Utf8(ref err) => error::Error::description(err),
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/test_deserialize-a02a14e73dd4aea0
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test deserialize_reader ... ok
[INFO] [stdout] test deserialize_option ... ok
[INFO] [stdout] test deserialize_unit ... ok
[INFO] [stdout] test deserialize_unit_type ... ok
[INFO] [stdout] test deserialize_bytes ... ok
[INFO] [stdout] test deserialize_unit_enum ... ok
[INFO] [stdout] test deserialize_str ... ok
[INFO] [stdout] test deserialize_borrowed_str ... ok
[INFO] [stdout] test deserialize_newtype_i32 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/test_serialize-619f272ecae44c03
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test serialize_unit_struct ... ok
[INFO] [stdout] test serialize_unit_type ... ok
[INFO] [stdout] test serialize_option_map_int ... ok
[INFO] [stdout] test serialize_map_bool ... ok
[INFO] [stdout] test serialize_option_map_string ... ok
[INFO] [stdout] test serialize_unit_enum ... ok
[INFO] [stdout] test serialize_newtype_i32 ... ok
[INFO] [stdout] test serialize_option_map_bool ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests serde_urlencoded
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/ser/mod.rs - ser::to_string (line 18) ... ok
[INFO] [stdout] test src/de.rs - de::from_bytes (line 17) ... ok
[INFO] [stdout] test src/de.rs - de::from_str (line 39) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.19s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fe6abf3ee976c442dd5a9464181e03ea0c7a26a52dcf98a5f7526019aed41a66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe6abf3ee976c442dd5a9464181e03ea0c7a26a52dcf98a5f7526019aed41a66", kill_on_drop: false }`
[INFO] [stdout] fe6abf3ee976c442dd5a9464181e03ea0c7a26a52dcf98a5f7526019aed41a66