[INFO] fetching crate serde_amp 0.1.0...
[INFO] testing serde_amp-0.1.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate serde_amp 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate serde_amp 0.1.0 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_amp 0.1.0
[INFO] finished tweaking crates.io crate serde_amp 0.1.0
[INFO] tweaked toml for crates.io crate serde_amp 0.1.0 written to /workspace/builds/worker-4/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] 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" "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] 74d8f6dcc35e772e7bf6b579ff6a1a63fa272efade6d04393c68c678d389acd1
[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" "74d8f6dcc35e772e7bf6b579ff6a1a63fa272efade6d04393c68c678d389acd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "74d8f6dcc35e772e7bf6b579ff6a1a63fa272efade6d04393c68c678d389acd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74d8f6dcc35e772e7bf6b579ff6a1a63fa272efade6d04393c68c678d389acd1", kill_on_drop: false }`
[INFO] [stdout] 74d8f6dcc35e772e7bf6b579ff6a1a63fa272efade6d04393c68c678d389acd1
[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=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] 14452714d8d07d3c98dea54bf6212a34f2f6ab09b1d6fd28e346174f8433cbbf
[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" "14452714d8d07d3c98dea54bf6212a34f2f6ab09b1d6fd28e346174f8433cbbf", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_amp v0.1.0 (/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/error.rs:30:29
[INFO] [stdout]    |
[INFO] [stdout] 30 |         formatter.write_str(std::error::Error::description(self))
[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]     Finished dev [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `Command { std: "docker" "inspect" "14452714d8d07d3c98dea54bf6212a34f2f6ab09b1d6fd28e346174f8433cbbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14452714d8d07d3c98dea54bf6212a34f2f6ab09b1d6fd28e346174f8433cbbf", kill_on_drop: false }`
[INFO] [stdout] 14452714d8d07d3c98dea54bf6212a34f2f6ab09b1d6fd28e346174f8433cbbf
[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=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] 3674aecc3d24abbd5926c363bba3b057635971ec1beec84e49bb2ee7fb06c5f8
[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" "3674aecc3d24abbd5926c363bba3b057635971ec1beec84e49bb2ee7fb06c5f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_amp v0.1.0 (/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/error.rs:30:29
[INFO] [stdout]    |
[INFO] [stdout] 30 |         formatter.write_str(std::error::Error::description(self))
[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] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:30:29
[INFO] [stdout]    |
[INFO] [stdout] 30 |         formatter.write_str(std::error::Error::description(self))
[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]     Finished test [unoptimized + debuginfo] target(s) in 1.86s
[INFO] running `Command { std: "docker" "inspect" "3674aecc3d24abbd5926c363bba3b057635971ec1beec84e49bb2ee7fb06c5f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3674aecc3d24abbd5926c363bba3b057635971ec1beec84e49bb2ee7fb06c5f8", kill_on_drop: false }`
[INFO] [stdout] 3674aecc3d24abbd5926c363bba3b057635971ec1beec84e49bb2ee7fb06c5f8
[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=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] [stdout] 731f886023a0f5b3fdf708603be8d3e56c7fdc3e579a282c7ba431e96f1d18f5
[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" "731f886023a0f5b3fdf708603be8d3e56c7fdc3e579a282c7ba431e96f1d18f5", 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/error.rs:30:29
[INFO] [stderr]    |
[INFO] [stderr] 30 |         formatter.write_str(std::error::Error::description(self))
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/error.rs:30:29
[INFO] [stderr]    |
[INFO] [stderr] 30 |         formatter.write_str(std::error::Error::description(self))
[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 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/serde_amp-c0389ff42704786f
[INFO] [stdout] 
[INFO] [stdout] running 34 tests
[INFO] [stdout] test de::test_deserialize_f64 ... ok
[INFO] [stdout] test de::test_deserialize_i16 ... ok
[INFO] [stdout] test de::test_deserialize_i32 ... ok
[INFO] [stdout] test de::test_deserialize_i64 ... ok
[INFO] [stdout] test de::test_deserialize_str ... ok
[INFO] [stdout] test de::test_deserialize_string ... ok
[INFO] [stdout] test de::test_deserialize_struct ... ok
[INFO] [stdout] test de::test_deserialize_u16 ... ok
[INFO] [stdout] test de::test_deserialize_i8 ... ok
[INFO] [stdout] test de::test_deserialize_u32 ... ok
[INFO] [stdout] test de::test_deserialize_u64 ... ok
[INFO] [stdout] test de::test_deserialize_u8 ... ok
[INFO] [stdout] test ser::test_sequence ... ok
[INFO] [stdout] test ser::test_serialize_bool_false ... ok
[INFO] [stdout] test ser::test_serialize_char ... ok
[INFO] [stdout] test ser::test_serialize_bool_true ... ok
[INFO] [stdout] test ser::test_serialize_f64 ... ok
[INFO] [stdout] test ser::test_serialize_f32 ... ok
[INFO] [stdout] test ser::test_serialize_i16 ... ok
[INFO] [stdout] test ser::test_serialize_i32 ... ok
[INFO] [stdout] test de::test_deserialize_true ... ok
[INFO] [stdout] test de::test_deserialize_false ... ok
[INFO] [stdout] test de::test_deserialize_char ... ok
[INFO] [stdout] test de::test_deserialize_f32 ... ok
[INFO] [stdout] test ser::test_serialize_i8 ... ok
[INFO] [stdout] test ser::test_serialize_str ... ok
[INFO] [stdout] test ser::test_serialize_u16 ... ok
[INFO] [stdout] test ser::test_serialize_u64 ... ok
[INFO] [stdout] test test_struct_serialize_deserialize ... ok
[INFO] [stdout] test ser::test_serialize_i64 ... ok
[INFO] [stdout] test ser::test_serialize_u32 ... ok
[INFO] [stdout] test ser::test_serialize_u8 ... ok
[INFO] [stdout] test ser::test_struct ... ok
[INFO] [stdout] test ser::test_some ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 34 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests serde_amp
[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" "731f886023a0f5b3fdf708603be8d3e56c7fdc3e579a282c7ba431e96f1d18f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "731f886023a0f5b3fdf708603be8d3e56c7fdc3e579a282c7ba431e96f1d18f5", kill_on_drop: false }`
[INFO] [stdout] 731f886023a0f5b3fdf708603be8d3e56c7fdc3e579a282c7ba431e96f1d18f5