[INFO] fetching crate convey_derive 0.2.0...
[INFO] testing convey_derive-0.2.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate convey_derive 0.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate convey_derive 0.2.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate convey_derive 0.2.0
[INFO] finished tweaking crates.io crate convey_derive 0.2.0
[INFO] tweaked toml for crates.io crate convey_derive 0.2.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "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" "+1.49.0" "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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6c30fff9b8077a99be767fb8f6cbd7cab121c9ccd3052fffb5abbbbf1775c56a
[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" "6c30fff9b8077a99be767fb8f6cbd7cab121c9ccd3052fffb5abbbbf1775c56a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c30fff9b8077a99be767fb8f6cbd7cab121c9ccd3052fffb5abbbbf1775c56a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c30fff9b8077a99be767fb8f6cbd7cab121c9ccd3052fffb5abbbbf1775c56a", kill_on_drop: false }`
[INFO] [stdout] 6c30fff9b8077a99be767fb8f6cbd7cab121c9ccd3052fffb5abbbbf1775c56a
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0bcf99409d0f0350fa14b3b7c4099f95475b70f96c72f3e80e678fff6ad8c404
[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" "0bcf99409d0f0350fa14b3b7c4099f95475b70f96c72f3e80e678fff6ad8c404", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling convey_derive v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.82s
[INFO] running `Command { std: "docker" "inspect" "0bcf99409d0f0350fa14b3b7c4099f95475b70f96c72f3e80e678fff6ad8c404", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bcf99409d0f0350fa14b3b7c4099f95475b70f96c72f3e80e678fff6ad8c404", kill_on_drop: false }`
[INFO] [stdout] 0bcf99409d0f0350fa14b3b7c4099f95475b70f96c72f3e80e678fff6ad8c404
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 471e3f65b3f5d9d261c04f0efe319c3cd6002b584dd9638fe8b15cf22cd05b4b
[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" "471e3f65b3f5d9d261c04f0efe319c3cd6002b584dd9638fe8b15cf22cd05b4b", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling crossbeam-channel v0.3.9
[INFO] [stderr]    Compiling convey v0.2.0
[INFO] [stderr]    Compiling convey_derive v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: suffixes on a tuple index are invalid
[INFO] [stdout]   --> tests/structs.rs:46:25
[INFO] [stdout]    |
[INFO] [stdout] 46 |     #[derive(Serialize, RenderOutput)]
[INFO] [stdout]    |                         ^^^^^^^^^^^^ invalid suffix `usize`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `usize` is *temporarily* accepted on tuple index fields as it was incorrectly accepted on stable for a few releases
[INFO] [stdout]    = help: on proc macros, you'll want to use `syn::Index::from` or `proc_macro::Literal::*_unsuffixed` for code that will desugar to tuple field access
[INFO] [stdout]    = note: see issue #60210 <https://github.com/rust-lang/rust/issues/60210> for more information
[INFO] [stdout]    = note: this warning originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 11.12s
[INFO] running `Command { std: "docker" "inspect" "471e3f65b3f5d9d261c04f0efe319c3cd6002b584dd9638fe8b15cf22cd05b4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "471e3f65b3f5d9d261c04f0efe319c3cd6002b584dd9638fe8b15cf22cd05b4b", kill_on_drop: false }`
[INFO] [stdout] 471e3f65b3f5d9d261c04f0efe319c3cd6002b584dd9638fe8b15cf22cd05b4b
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a67af71df2fa30ae233b479d9df7d4d31c23c3f17c6fd06e02c66ff48505f4f5
[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" "a67af71df2fa30ae233b479d9df7d4d31c23c3f17c6fd06e02c66ff48505f4f5", kill_on_drop: false }`
[INFO] [stderr] warning: suffixes on a tuple index are invalid
[INFO] [stderr]   --> tests/structs.rs:46:25
[INFO] [stderr]    |
[INFO] [stderr] 46 |     #[derive(Serialize, RenderOutput)]
[INFO] [stderr]    |                         ^^^^^^^^^^^^ invalid suffix `usize`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `usize` is *temporarily* accepted on tuple index fields as it was incorrectly accepted on stable for a few releases
[INFO] [stderr]    = help: on proc macros, you'll want to use `syn::Index::from` or `proc_macro::Literal::*_unsuffixed` for code that will desugar to tuple field access
[INFO] [stderr]    = note: see issue #60210 <https://github.com/rust-lang/rust/issues/60210> for more information
[INFO] [stderr]    = note: this warning originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/convey_derive-d91fcbdf651d9e90
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/structs-c368ba423b31b78c
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stderr]    Doc-tests convey_derive
[INFO] [stdout] test tuple_struct_of_primitive_types ... ok
[INFO] [stdout] test struct_with_named_fields_of_primitive_types ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 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 5) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a67af71df2fa30ae233b479d9df7d4d31c23c3f17c6fd06e02c66ff48505f4f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a67af71df2fa30ae233b479d9df7d4d31c23c3f17c6fd06e02c66ff48505f4f5", kill_on_drop: false }`
[INFO] [stdout] a67af71df2fa30ae233b479d9df7d4d31c23c3f17c6fd06e02c66ff48505f4f5