[INFO] crate serde_derive 1.0.106 is already in cache
[INFO] testing serde_derive-1.0.106 against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] extracting crate serde_derive 1.0.106 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate serde_derive 1.0.106 on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate serde_derive 1.0.106
[INFO] finished tweaking crates.io crate serde_derive 1.0.106
[INFO] tweaked toml for crates.io crate serde_derive 1.0.106 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5281a17440dc1388844f9875d56ed4876b74dda60c614562b812b9756cae7363
[INFO] running `"docker" "start" "-a" "5281a17440dc1388844f9875d56ed4876b74dda60c614562b812b9756cae7363"`
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling serde_derive v1.0.106 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.82s
[INFO] running `"docker" "inspect" "5281a17440dc1388844f9875d56ed4876b74dda60c614562b812b9756cae7363"`
[INFO] running `"docker" "rm" "-f" "5281a17440dc1388844f9875d56ed4876b74dda60c614562b812b9756cae7363"`
[INFO] [stdout] 5281a17440dc1388844f9875d56ed4876b74dda60c614562b812b9756cae7363
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b691264e594e3d45973b5a9bbfd03da4fb578527b531427df4ee93d8b100f7b7
[INFO] running `"docker" "start" "-a" "b691264e594e3d45973b5a9bbfd03da4fb578527b531427df4ee93d8b100f7b7"`
[INFO] [stderr]    Compiling serde_derive v1.0.106 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.26s
[INFO] running `"docker" "inspect" "b691264e594e3d45973b5a9bbfd03da4fb578527b531427df4ee93d8b100f7b7"`
[INFO] running `"docker" "rm" "-f" "b691264e594e3d45973b5a9bbfd03da4fb578527b531427df4ee93d8b100f7b7"`
[INFO] [stdout] b691264e594e3d45973b5a9bbfd03da4fb578527b531427df4ee93d8b100f7b7
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen"`
[INFO] [stdout] c5ea4b260a7bbdf7f802a83360c65450ed164f38611d13bcc3e1c11e55b42dc8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "c5ea4b260a7bbdf7f802a83360c65450ed164f38611d13bcc3e1c11e55b42dc8"`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/serde_derive-d1d7e340b0286308
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test internals::case::rename_fields ... ok
[INFO] [stdout] test internals::case::rename_variants ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests serde_derive
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs -  (line 3) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "c5ea4b260a7bbdf7f802a83360c65450ed164f38611d13bcc3e1c11e55b42dc8"`
[INFO] running `"docker" "rm" "-f" "c5ea4b260a7bbdf7f802a83360c65450ed164f38611d13bcc3e1c11e55b42dc8"`
[INFO] [stdout] c5ea4b260a7bbdf7f802a83360c65450ed164f38611d13bcc3e1c11e55b42dc8