[INFO] fetching crate oper 0.3.0...
[INFO] checking oper-0.3.0 against master#ba72b15666b2491415aec703a02c2364fe5e2790 for pr-71140
[INFO] extracting crate oper 0.3.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate oper 0.3.0 on toolchain ba72b15666b2491415aec703a02c2364fe5e2790
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate oper 0.3.0
[INFO] finished tweaking crates.io crate oper 0.3.0
[INFO] tweaked toml for crates.io crate oper 0.3.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate oper 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "/opt/rustwide/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "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] c77a16b15e0a6f9d9a1a588875af593427ee5ebf395904f5f4f5a20c5f030342
[INFO] running `"docker" "start" "-a" "c77a16b15e0a6f9d9a1a588875af593427ee5ebf395904f5f4f5a20c5f030342"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling winapi v0.3.8
[INFO] [stderr]     Checking array-macro v1.0.3
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]     Checking num-integer v0.1.41
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling num_cpus v1.12.0
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking signal-hook-registry v1.1.1
[INFO] [stderr]     Checking term_size v0.3.1
[INFO] [stderr]     Checking console v0.9.2
[INFO] [stderr]     Checking enum-map-internals v0.1.3
[INFO] [stderr]    Compiling cc v1.0.45
[INFO] [stderr]    Compiling darling_core v0.9.0
[INFO] [stderr]     Checking signal-hook v0.1.10
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]     Checking cgmath v0.16.1
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]    Compiling openssl-sys v0.9.49
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling libssh2-sys v0.2.11
[INFO] [stderr]    Compiling libgit2-sys v0.10.0
[INFO] [stderr]    Compiling ncurses v5.99.0
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]     Checking crossbeam-deque v0.7.2
[INFO] [stderr]     Checking rayon-core v1.7.0
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]    Compiling darling_macro v0.9.0
[INFO] [stderr]     Checking winconsole v0.10.0
[INFO] [stderr]     Checking colored v1.8.0
[INFO] [stderr]     Checking simple_logger v1.5.0
[INFO] [stderr]    Compiling darling v0.9.0
[INFO] [stderr]    Compiling enumset_derive v0.4.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling enum-map-derive v0.4.2
[INFO] [stderr]    Compiling rustversion v1.0.2
[INFO] [stderr]     Checking indicatif v0.14.0
[INFO] [stderr]     Checking git2 v0.11.0
[INFO] [stderr]     Checking enumset v0.4.0
[INFO] [stderr]     Checking enum-map v0.5.0
[INFO] [stderr]     Checking cursive v0.12.0
[INFO] [stderr]    Compiling time-macros-impl v0.1.0
[INFO] [stderr]     Checking time-macros v0.1.0
[INFO] [stderr]     Checking time v0.2.6
[INFO] [stderr]     Checking oper v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/main.rs:88:28
[INFO] [stderr]    |
[INFO] [stderr] 88 |         .or_else(|e| Err(e.description().into()))
[INFO] [stderr]    |                            ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/main.rs:106:61
[INFO] [stderr]     |
[INFO] [stderr] 106 |         .map_err(|e| io::Error::new(io::ErrorKind::Other, e.description()))?;
[INFO] [stderr]     |                                                             ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/main.rs:88:28
[INFO] [stderr]    |
[INFO] [stderr] 88 |         .or_else(|e| Err(e.description().into()))
[INFO] [stderr]    |                            ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/main.rs:106:61
[INFO] [stderr]     |
[INFO] [stderr] 106 |         .map_err(|e| io::Error::new(io::ErrorKind::Other, e.description()))?;
[INFO] [stderr]     |                                                             ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 54.22s
[INFO] running `"docker" "inspect" "c77a16b15e0a6f9d9a1a588875af593427ee5ebf395904f5f4f5a20c5f030342"`
[INFO] running `"docker" "rm" "-f" "c77a16b15e0a6f9d9a1a588875af593427ee5ebf395904f5f4f5a20c5f030342"`
[INFO] [stdout] c77a16b15e0a6f9d9a1a588875af593427ee5ebf395904f5f4f5a20c5f030342