[INFO] fetching crate oper 0.2.0...
[INFO] checking oper-0.2.0 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] extracting crate oper 0.2.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate oper 0.2.0 on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate oper 0.2.0
[INFO] finished tweaking crates.io crate oper 0.2.0
[INFO] tweaked toml for crates.io crate oper 0.2.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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] f383f2a606c71d91c694daf8f1eac218f40141b441d59a1f6334eb57f7a63e03
[INFO] running `"docker" "start" "-a" "f383f2a606c71d91c694daf8f1eac218f40141b441d59a1f6334eb57f7a63e03"`
[INFO] [stderr]    Compiling winapi v0.3.8
[INFO] [stderr]     Checking array-macro v1.0.3
[INFO] [stderr]     Checking xi-unicode v0.1.0
[INFO] [stderr]     Checking hashbrown v0.3.1
[INFO] [stderr]    Compiling libgit2-sys v0.8.2
[INFO] [stderr]    Compiling ncurses v5.99.0
[INFO] [stderr]     Checking clicolors-control v1.0.1
[INFO] [stderr]     Checking num-complex v0.2.3
[INFO] [stderr]     Checking number_prefix v0.2.8
[INFO] [stderr]     Checking num-rational v0.2.2
[INFO] [stderr]     Checking num-iter v0.1.39
[INFO] [stderr]     Checking enum-map-internals v0.1.3
[INFO] [stderr]    Compiling darling_core v0.10.1
[INFO] [stderr]    Compiling enum-map-derive v0.4.3
[INFO] [stderr]     Checking console v0.9.0
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]     Checking indicatif v0.11.0
[INFO] [stderr]     Checking winconsole v0.10.0
[INFO] [stderr]     Checking colored v1.8.0
[INFO] [stderr]     Checking simple_logger v1.3.0
[INFO] [stderr]     Checking enum-map v0.5.0
[INFO] [stderr]    Compiling darling_macro v0.10.1
[INFO] [stderr]    Compiling darling v0.10.1
[INFO] [stderr]    Compiling enumset_derive v0.4.3
[INFO] [stderr]     Checking enumset v0.4.4
[INFO] [stderr]     Checking cursive v0.12.0
[INFO] [stderr]     Checking git2 v0.9.2
[INFO] [stderr]     Checking oper v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/model.rs:22:30
[INFO] [stderr]    |
[INFO] [stderr] 22 |         classifiers: Vec<Box<CommitClassifier>>,
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn CommitClassifier`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:72:37
[INFO] [stderr]    |
[INFO] [stderr] 72 |     let mut classifiers = Vec::<Box<CommitClassifier>>::new();
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn CommitClassifier`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:87:33
[INFO] [stderr]    |
[INFO] [stderr] 87 | fn do_main(classifiers: Vec<Box<CommitClassifier>>, cwd: &Path) -> Result<(), io::Error> {
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn CommitClassifier`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/model.rs:22:30
[INFO] [stderr]    |
[INFO] [stderr] 22 |         classifiers: Vec<Box<CommitClassifier>>,
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn CommitClassifier`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:72:37
[INFO] [stderr]    |
[INFO] [stderr] 72 |     let mut classifiers = Vec::<Box<CommitClassifier>>::new();
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn CommitClassifier`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:87:33
[INFO] [stderr]    |
[INFO] [stderr] 87 | fn do_main(classifiers: Vec<Box<CommitClassifier>>, cwd: &Path) -> Result<(), io::Error> {
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn CommitClassifier`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 13s
[INFO] running `"docker" "inspect" "f383f2a606c71d91c694daf8f1eac218f40141b441d59a1f6334eb57f7a63e03"`
[INFO] running `"docker" "rm" "-f" "f383f2a606c71d91c694daf8f1eac218f40141b441d59a1f6334eb57f7a63e03"`
[INFO] [stdout] f383f2a606c71d91c694daf8f1eac218f40141b441d59a1f6334eb57f7a63e03