[INFO] crate auto_enums 0.7.1 is already in cache
[INFO] checking auto_enums-0.7.1 against master#3dbade652ed8ebac70f903e01f51cd92c4e4302c for pr-69880
[INFO] extracting crate auto_enums 0.7.1 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate auto_enums 0.7.1 on toolchain 3dbade652ed8ebac70f903e01f51cd92c4e4302c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3dbade652ed8ebac70f903e01f51cd92c4e4302c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate auto_enums 0.7.1
[INFO] finished tweaking crates.io crate auto_enums 0.7.1
[INFO] tweaked toml for crates.io crate auto_enums 0.7.1 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3dbade652ed8ebac70f903e01f51cd92c4e4302c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3dbade652ed8ebac70f903e01f51cd92c4e4302c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+3dbade652ed8ebac70f903e01f51cd92c4e4302c" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0ae7efdb8b6237fa1a99f418b7edec9250a4a087573fdfe9dc96fe2ad6ce060b
[INFO] running `"docker" "start" "-a" "0ae7efdb8b6237fa1a99f418b7edec9250a4a087573fdfe9dc96fe2ad6ce060b"`
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling ryu v1.0.3
[INFO] [stderr]     Checking futures-core v0.3.4
[INFO] [stderr]     Checking futures-sink v0.3.4
[INFO] [stderr]     Checking pin-utils v0.1.0-alpha.4
[INFO] [stderr]     Checking futures-task v0.3.4
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]     Checking futures-io v0.3.4
[INFO] [stderr]    Compiling auto_enums_derive v0.7.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]     Checking futures-channel v0.3.4
[INFO] [stderr]     Checking num_cpus v1.12.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]    Compiling derive_utils v0.9.1
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling auto_enums_core v0.7.1
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]     Checking auto_enums v0.7.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking futures-executor v0.3.4
[INFO] [stderr]     Checking futures v0.3.4
[INFO] [stderr]     Checking serde_json v1.0.48
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking trybuild v1.0.24
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> tests/enum_derive.rs:107:5
[INFO] [stderr]     |
[INFO] [stderr] 107 | /     #[enum_derive(
[INFO] [stderr] 108 | |         BufRead, Read, Seek, Write, Display, Error, Debug, Clone, Copy, PartialEq, Eq, PartialOrd,
[INFO] [stderr] 109 | |         Ord, Hash
[INFO] [stderr] 110 | |     )]
[INFO] [stderr]     | |______^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]     = note: this warning originates in an attribute macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> tests/enum_derive.rs:107:5
[INFO] [stderr]     |
[INFO] [stderr] 107 | /     #[enum_derive(
[INFO] [stderr] 108 | |         BufRead, Read, Seek, Write, Display, Error, Debug, Clone, Copy, PartialEq, Eq, PartialOrd,
[INFO] [stderr] 109 | |         Ord, Hash
[INFO] [stderr] 110 | |     )]
[INFO] [stderr]     | |______^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in an attribute macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> tests/auto_enum.rs:36:9
[INFO] [stderr]    |
[INFO] [stderr] 36 |         #[auto_enum(Iterator)]
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> tests/auto_enum.rs:36:9
[INFO] [stderr]    |
[INFO] [stderr] 36 |         #[auto_enum(Iterator)]
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 05s
[INFO] running `"docker" "inspect" "0ae7efdb8b6237fa1a99f418b7edec9250a4a087573fdfe9dc96fe2ad6ce060b"`
[INFO] running `"docker" "rm" "-f" "0ae7efdb8b6237fa1a99f418b7edec9250a4a087573fdfe9dc96fe2ad6ce060b"`
[INFO] [stdout] 0ae7efdb8b6237fa1a99f418b7edec9250a4a087573fdfe9dc96fe2ad6ce060b