[INFO] crate opensmtpd 0.1.0 is already in cache
[INFO] checking opensmtpd-0.1.0 against master#1557fb031b272b4c5bfcc7de5df7eddc7b36a584 for pr-73166
[INFO] extracting crate opensmtpd 0.1.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate opensmtpd 0.1.0 on toolchain 1557fb031b272b4c5bfcc7de5df7eddc7b36a584
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate opensmtpd 0.1.0
[INFO] removed 1 missing examples
[INFO] finished tweaking crates.io crate opensmtpd 0.1.0
[INFO] tweaked toml for crates.io crate opensmtpd 0.1.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 40b96ce4fe6bd627a8b680cf7e7e29632e6b46686c13f1089d5a8885d6c5b06e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "40b96ce4fe6bd627a8b680cf7e7e29632e6b46686c13f1089d5a8885d6c5b06e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "40b96ce4fe6bd627a8b680cf7e7e29632e6b46686c13f1089d5a8885d6c5b06e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40b96ce4fe6bd627a8b680cf7e7e29632e6b46686c13f1089d5a8885d6c5b06e", kill_on_drop: false }`
[INFO] [stdout] 40b96ce4fe6bd627a8b680cf7e7e29632e6b46686c13f1089d5a8885d6c5b06e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c57a621368d12f6d1b45f4adb5ff1f8121aa7a23e1834667c1ad8b17c936b7a4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c57a621368d12f6d1b45f4adb5ff1f8121aa7a23e1834667c1ad8b17c936b7a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]     Checking opensmtpd v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `alt`, `call`, `complete`, `error_position`
[INFO] [stdout]  --> src/entry.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     alt, alt_complete, call, complete, cond, do_parse, error_position, map_res, named, tag,
[INFO] [stdout]   |     ^^^                ^^^^  ^^^^^^^^                  ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stdout] warning: unused imports: `alt`, `call`, `complete`, `error_position`
[INFO] [stdout]  --> src/entry.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     alt, alt_complete, call, complete, cond, do_parse, error_position, map_res, named, tag,
[INFO] [stdout]   |     ^^^                ^^^^  ^^^^^^^^                  ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.99s
[INFO] running `Command { std: "docker" "inspect" "c57a621368d12f6d1b45f4adb5ff1f8121aa7a23e1834667c1ad8b17c936b7a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c57a621368d12f6d1b45f4adb5ff1f8121aa7a23e1834667c1ad8b17c936b7a4", kill_on_drop: false }`
[INFO] [stdout] c57a621368d12f6d1b45f4adb5ff1f8121aa7a23e1834667c1ad8b17c936b7a4