[INFO] fetching crate structural_derive 0.4.0...
[INFO] checking structural_derive-0.4.0 against master#c724b67e1b474262917a5154d74e7072267593fe for pr-74315
[INFO] extracting crate structural_derive 0.4.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate structural_derive 0.4.0 on toolchain c724b67e1b474262917a5154d74e7072267593fe
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate structural_derive 0.4.0
[INFO] finished tweaking crates.io crate structural_derive 0.4.0
[INFO] tweaked toml for crates.io crate structural_derive 0.4.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "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] c0e42fcdec361535fca90633f4e2014c474c1c2c658e81f6aeb14d54966489f3
[INFO] running `Command { std: "docker" "start" "-a" "c0e42fcdec361535fca90633f4e2014c474c1c2c658e81f6aeb14d54966489f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c0e42fcdec361535fca90633f4e2014c474c1c2c658e81f6aeb14d54966489f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0e42fcdec361535fca90633f4e2014c474c1c2c658e81f6aeb14d54966489f3", kill_on_drop: false }`
[INFO] [stdout] c0e42fcdec361535fca90633f4e2014c474c1c2c658e81f6aeb14d54966489f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "check" "--frozen" "--all" "--all-targets" "--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] 3a645dfd7b424661377f943d57bd7dcc83983883b85053d217658a072accb60c
[INFO] running `Command { std: "docker" "start" "-a" "3a645dfd7b424661377f943d57bd7dcc83983883b85053d217658a072accb60c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]     Checking unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stderr]     Checking typed-arena v1.5.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking quote v1.0.7
[INFO] [stderr]    Compiling core_extensions v0.1.17
[INFO] [stderr]     Checking as_derive_utils v0.8.2
[INFO] [stdout] error[E0623]: lifetime mismatch
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/as_derive_utils-0.8.2/src/datastructure/field_map.rs:90:27
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub fn insert(&mut self,field:&Field<'_>,value:T)->T{
[INFO] [stdout]    |                                   ----------
[INFO] [stdout]    |                                   |
[INFO] [stdout]    |                                   these two types are declared with different lifetimes...
[INFO] [stdout] 90 |         mem::replace(&mut self[field], value)
[INFO] [stdout]    |                           ^^^^^^^^^^^ ...but data from `field` flows into `field` here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0623`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `as_derive_utils`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "3a645dfd7b424661377f943d57bd7dcc83983883b85053d217658a072accb60c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a645dfd7b424661377f943d57bd7dcc83983883b85053d217658a072accb60c", kill_on_drop: false }`
[INFO] [stdout] 3a645dfd7b424661377f943d57bd7dcc83983883b85053d217658a072accb60c