[INFO] cloning repository https://github.com/teldra/buzz-ed
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/teldra/buzz-ed" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fteldra%2Fbuzz-ed"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fteldra%2Fbuzz-ed'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 37e9cd65f00c744d0a4acf6382006a0360cd46ee
[INFO] checking teldra/buzz-ed against master#b61e69433951e31f7bd746e22f516a48ad41623b for prs-64470-and-65389
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fteldra%2Fbuzz-ed" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/teldra/buzz-ed on toolchain b61e69433951e31f7bd746e22f516a48ad41623b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/teldra/buzz-ed
[INFO] finished tweaking git repo https://github.com/teldra/buzz-ed
[INFO] tweaked toml for git repo https://github.com/teldra/buzz-ed written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/teldra/buzz-ed already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] error: the lock file /workspace/builds/worker-4/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+b61e69433951e31f7bd746e22f516a48ad41623b" "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] e93d3185df7b8dfd815861c54b50b08a2ccf5889a81ba0722b22c70a4b6eb58a
[INFO] running `"docker" "start" "-a" "e93d3185df7b8dfd815861c54b50b08a2ccf5889a81ba0722b22c70a4b6eb58a"`
[INFO] [stderr]     Checking charset v0.1.2
[INFO] [stderr]     Checking imap-proto v0.7.0
[INFO] [stderr]     Checking mailparse v0.8.2
[INFO] [stderr]     Checking imap v1.0.2
[INFO] [stderr]     Checking buzz-ed v1.1.11 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:33:25
[INFO] [stderr]    |
[INFO] [stderr] 33 |             let mut c = try!(
[INFO] [stderr]    |                         ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:37:23
[INFO] [stderr]    |
[INFO] [stderr] 37 |             let cap = try!(c.capabilities());
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:41:13
[INFO] [stderr]    |
[INFO] [stderr] 41 |             try!(c.select("INBOX"));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:33:25
[INFO] [stderr]    |
[INFO] [stderr] 33 |             let mut c = try!(
[INFO] [stderr]    |                         ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:37:23
[INFO] [stderr]    |
[INFO] [stderr] 37 |             let cap = try!(c.capabilities());
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:41:13
[INFO] [stderr]    |
[INFO] [stderr] 41 |             try!(c.select("INBOX"));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.57s
[INFO] running `"docker" "inspect" "e93d3185df7b8dfd815861c54b50b08a2ccf5889a81ba0722b22c70a4b6eb58a"`
[INFO] running `"docker" "rm" "-f" "e93d3185df7b8dfd815861c54b50b08a2ccf5889a81ba0722b22c70a4b6eb58a"`
[INFO] [stdout] e93d3185df7b8dfd815861c54b50b08a2ccf5889a81ba0722b22c70a4b6eb58a