[INFO] fetching crate miniserde-enum 0.1.3...
[INFO] testing miniserde-enum-0.1.3 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate miniserde-enum 0.1.3 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate miniserde-enum 0.1.3 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate miniserde-enum 0.1.3
[INFO] finished tweaking crates.io crate miniserde-enum 0.1.3
[INFO] tweaked toml for crates.io crate miniserde-enum 0.1.3 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate miniserde-enum 0.1.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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] ece7e866007ef9eac64b7f77c8a34ba5fc75614be5d8cb37e0c2bbedf003f99b
[INFO] running `Command { std: "docker" "start" "-a" "ece7e866007ef9eac64b7f77c8a34ba5fc75614be5d8cb37e0c2bbedf003f99b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ece7e866007ef9eac64b7f77c8a34ba5fc75614be5d8cb37e0c2bbedf003f99b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ece7e866007ef9eac64b7f77c8a34ba5fc75614be5d8cb37e0c2bbedf003f99b", kill_on_drop: false }`
[INFO] [stdout] ece7e866007ef9eac64b7f77c8a34ba5fc75614be5d8cb37e0c2bbedf003f99b
[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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c6b51116a03e894529a87c5ef913b2e1b4aad2f5fa911df8489d3a33835f0245
[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" "c6b51116a03e894529a87c5ef913b2e1b4aad2f5fa911df8489d3a33835f0245", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling proc-macro2 v1.0.5
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling mini-internal v0.1.12
[INFO] [stderr]    Compiling miniserde v0.1.12
[INFO] [stderr]    Compiling miniserde-enum v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.81s
[INFO] running `Command { std: "docker" "inspect" "c6b51116a03e894529a87c5ef913b2e1b4aad2f5fa911df8489d3a33835f0245", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6b51116a03e894529a87c5ef913b2e1b4aad2f5fa911df8489d3a33835f0245", kill_on_drop: false }`
[INFO] [stdout] c6b51116a03e894529a87c5ef913b2e1b4aad2f5fa911df8489d3a33835f0245
[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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] abccd6031e0b0bb80cb9b7b1ec7d170c57db0080108db7f097393b736562d277
[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" "abccd6031e0b0bb80cb9b7b1ec7d170c57db0080108db7f097393b736562d277", kill_on_drop: false }`
[INFO] [stderr]    Compiling miniserde-enum v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]  --> tests/serialize.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 |     #[serde(tag = "type")]
[INFO] [stdout]   |       ^^^^^
[INFO] [stdout] 7 |     #[derive(Serialize_enum)]
[INFO] [stdout]   |              -------------- the attribute is introduced here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(legacy_derive_helpers)]` on by default
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]   = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]   --> tests/serialize.rs:44:7
[INFO] [stdout]    |
[INFO] [stdout] 44 |     #[serde(untagged)]
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 45 |     #[derive(Serialize_enum)]
[INFO] [stdout]    |              -------------- the attribute is introduced here
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.26s
[INFO] running `Command { std: "docker" "inspect" "abccd6031e0b0bb80cb9b7b1ec7d170c57db0080108db7f097393b736562d277", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abccd6031e0b0bb80cb9b7b1ec7d170c57db0080108db7f097393b736562d277", kill_on_drop: false }`
[INFO] [stdout] abccd6031e0b0bb80cb9b7b1ec7d170c57db0080108db7f097393b736562d277
[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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b4a3e377bf863c266013519e307fb82b3fc250615449201db441b427a8b7db37
[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" "b4a3e377bf863c266013519e307fb82b3fc250615449201db441b427a8b7db37", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: derive helper attribute is used before it is introduced
[INFO] [stderr]  --> tests/serialize.rs:6:7
[INFO] [stderr]   |
[INFO] [stderr] 6 |     #[serde(tag = "type")]
[INFO] [stderr]   |       ^^^^^
[INFO] [stderr] 7 |     #[derive(Serialize_enum)]
[INFO] [stderr]   |              -------------- the attribute is introduced here
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(legacy_derive_helpers)]` on by default
[INFO] [stderr]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]   = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stderr] 
[INFO] [stderr] warning: derive helper attribute is used before it is introduced
[INFO] [stderr]   --> tests/serialize.rs:44:7
[INFO] [stderr]    |
[INFO] [stderr] 44 |     #[serde(untagged)]
[INFO] [stderr]    |       ^^^^^
[INFO] [stderr] 45 |     #[derive(Serialize_enum)]
[INFO] [stderr]    |              -------------- the attribute is introduced here
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stderr] 
[INFO] [stderr] warning: `miniserde-enum` (test "serialize") generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.97s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/miniserde_enum-393a5e79611adfb7)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running tests/deserialize.rs (/opt/rustwide/target/debug/deps/deserialize-58848ea791c86753)
[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] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_internal ... ok
[INFO] [stderr]      Running tests/serialize.rs (/opt/rustwide/target/debug/deps/serialize-15a126cad1bf4773)
[INFO] [stdout] test test_external ... ok
[INFO] [stdout] test test_adjacent ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test test_external ... ok
[INFO] [stdout] test test_internal ... ok
[INFO] [stdout] test test_untagged ... ok
[INFO] [stdout] test generic_named ... ok
[INFO] [stdout] test generic_unnamed ... 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] [stderr]    Doc-tests miniserde-enum
[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" "b4a3e377bf863c266013519e307fb82b3fc250615449201db441b427a8b7db37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4a3e377bf863c266013519e307fb82b3fc250615449201db441b427a8b7db37", kill_on_drop: false }`
[INFO] [stdout] b4a3e377bf863c266013519e307fb82b3fc250615449201db441b427a8b7db37