[INFO] fetching crate ptah_derive 0.1.0...
[INFO] testing ptah_derive-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate ptah_derive 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate ptah_derive 0.1.0 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 ptah_derive 0.1.0
[INFO] finished tweaking crates.io crate ptah_derive 0.1.0
[INFO] tweaked toml for crates.io crate ptah_derive 0.1.0 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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "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-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] cdef323d0a7dace3778238487456b8435de2c0a80a001754f2e5b12c13da274d
[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" "cdef323d0a7dace3778238487456b8435de2c0a80a001754f2e5b12c13da274d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cdef323d0a7dace3778238487456b8435de2c0a80a001754f2e5b12c13da274d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdef323d0a7dace3778238487456b8435de2c0a80a001754f2e5b12c13da274d", kill_on_drop: false }`
[INFO] [stdout] cdef323d0a7dace3778238487456b8435de2c0a80a001754f2e5b12c13da274d
[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] 3e665bb4fbec550f0e3f07d23654f87360a67b1080d37ec7c4664c37602db514
[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" "3e665bb4fbec550f0e3f07d23654f87360a67b1080d37ec7c4664c37602db514", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling ptah_derive v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `enum_name`
[INFO] [stdout]    --> src/de.rs:118:22
[INFO] [stdout]     |
[INFO] [stdout] 118 | fn generate_for_enum(enum_name: &Ident, data: &DataEnum) -> TokenStream {
[INFO] [stdout]     |                      ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_enum_name`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `union_data`
[INFO] [stdout]   --> src/ser.rs:63:21
[INFO] [stdout]    |
[INFO] [stdout] 63 |         Data::Union(union_data) => todo!(),
[INFO] [stdout]    |                     ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_union_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.96s
[INFO] running `Command { std: "docker" "inspect" "3e665bb4fbec550f0e3f07d23654f87360a67b1080d37ec7c4664c37602db514", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e665bb4fbec550f0e3f07d23654f87360a67b1080d37ec7c4664c37602db514", kill_on_drop: false }`
[INFO] [stdout] 3e665bb4fbec550f0e3f07d23654f87360a67b1080d37ec7c4664c37602db514
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 50d411c0e5c562ba57979b34cdd2d1a7c799e1142a7ea2cc0c39adaad35a2e82
[INFO] running `Command { std: "docker" "start" "-a" "50d411c0e5c562ba57979b34cdd2d1a7c799e1142a7ea2cc0c39adaad35a2e82", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling ptah_derive v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `enum_name`
[INFO] [stdout]    --> src/de.rs:118:22
[INFO] [stdout]     |
[INFO] [stdout] 118 | fn generate_for_enum(enum_name: &Ident, data: &DataEnum) -> TokenStream {
[INFO] [stdout]     |                      ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_enum_name`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `union_data`
[INFO] [stdout]   --> src/ser.rs:63:21
[INFO] [stdout]    |
[INFO] [stdout] 63 |         Data::Union(union_data) => todo!(),
[INFO] [stdout]    |                     ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_union_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `enum_name`
[INFO] [stdout]    --> src/de.rs:118:22
[INFO] [stdout]     |
[INFO] [stdout] 118 | fn generate_for_enum(enum_name: &Ident, data: &DataEnum) -> TokenStream {
[INFO] [stdout]     |                      ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_enum_name`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `union_data`
[INFO] [stdout]   --> src/ser.rs:63:21
[INFO] [stdout]    |
[INFO] [stdout] 63 |         Data::Union(union_data) => todo!(),
[INFO] [stdout]    |                     ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_union_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `Command { std: "docker" "inspect" "50d411c0e5c562ba57979b34cdd2d1a7c799e1142a7ea2cc0c39adaad35a2e82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50d411c0e5c562ba57979b34cdd2d1a7c799e1142a7ea2cc0c39adaad35a2e82", kill_on_drop: false }`
[INFO] [stdout] 50d411c0e5c562ba57979b34cdd2d1a7c799e1142a7ea2cc0c39adaad35a2e82
[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] 1d17bc785a543ec45132617c1f48d2d32ac148cdd9b1766d52ca753a60176efa
[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" "1d17bc785a543ec45132617c1f48d2d32ac148cdd9b1766d52ca753a60176efa", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `enum_name`
[INFO] [stderr]    --> src/de.rs:118:22
[INFO] [stderr]     |
[INFO] [stderr] 118 | fn generate_for_enum(enum_name: &Ident, data: &DataEnum) -> TokenStream {
[INFO] [stderr]     |                      ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_enum_name`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `union_data`
[INFO] [stderr]   --> src/ser.rs:63:21
[INFO] [stderr]    |
[INFO] [stderr] 63 |         Data::Union(union_data) => todo!(),
[INFO] [stderr]    |                     ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_union_data`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `enum_name`
[INFO] [stderr]    --> src/de.rs:118:22
[INFO] [stderr]     |
[INFO] [stderr] 118 | fn generate_for_enum(enum_name: &Ident, data: &DataEnum) -> TokenStream {
[INFO] [stderr]     |                      ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_enum_name`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `union_data`
[INFO] [stderr]   --> src/ser.rs:63:21
[INFO] [stderr]    |
[INFO] [stderr] 63 |         Data::Union(union_data) => todo!(),
[INFO] [stderr]    |                     ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_union_data`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ptah_derive-eec53f291376b78a
[INFO] [stderr]    Doc-tests ptah_derive
[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
[INFO] [stdout] 
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1d17bc785a543ec45132617c1f48d2d32ac148cdd9b1766d52ca753a60176efa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d17bc785a543ec45132617c1f48d2d32ac148cdd9b1766d52ca753a60176efa", kill_on_drop: false }`
[INFO] [stdout] 1d17bc785a543ec45132617c1f48d2d32ac148cdd9b1766d52ca753a60176efa