[INFO] updating cached repository https://github.com/golubov-andrey/rsmail-cli
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4f1085b6571343b8148d9fa8d5f29c8f6035a14e
[INFO] checking golubov-andrey/rsmail-cli against master#e22b61bff0bdd08be7665607cb7be3748c8a35d2 for pr-74627
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgolubov-andrey%2Frsmail-cli" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/golubov-andrey/rsmail-cli on toolchain e22b61bff0bdd08be7665607cb7be3748c8a35d2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e22b61bff0bdd08be7665607cb7be3748c8a35d2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/golubov-andrey/rsmail-cli
[INFO] finished tweaking git repo https://github.com/golubov-andrey/rsmail-cli
[INFO] tweaked toml for git repo https://github.com/golubov-andrey/rsmail-cli written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/golubov-andrey/rsmail-cli already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e22b61bff0bdd08be7665607cb7be3748c8a35d2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+e22b61bff0bdd08be7665607cb7be3748c8a35d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9a6f0b7c0145f94d903e5ed431a64070abc5a1039b3f659971575115643edf57
[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" "9a6f0b7c0145f94d903e5ed431a64070abc5a1039b3f659971575115643edf57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a6f0b7c0145f94d903e5ed431a64070abc5a1039b3f659971575115643edf57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a6f0b7c0145f94d903e5ed431a64070abc5a1039b3f659971575115643edf57", kill_on_drop: false }`
[INFO] [stdout] 9a6f0b7c0145f94d903e5ed431a64070abc5a1039b3f659971575115643edf57
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+e22b61bff0bdd08be7665607cb7be3748c8a35d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7b5a3a376d1d849bc485c3b1d1f81e20c6cd0d6e470a149673132ed3624db999
[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" "7b5a3a376d1d849bc485c3b1d1f81e20c6cd0d6e470a149673132ed3624db999", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]    Compiling cc v1.0.28
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]     Checking bufstream v0.1.4
[INFO] [stderr]    Compiling memchr v2.1.2
[INFO] [stderr]     Checking regex-syntax v0.6.4
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]     Checking nom v4.1.1
[INFO] [stderr]     Checking imap-proto v0.7.0
[INFO] [stderr]    Compiling openssl-sys v0.9.40
[INFO] [stderr]    Compiling openssl v0.10.16
[INFO] [stderr]    Compiling native-tls v0.2.2
[INFO] [stderr]     Checking regex v1.1.0
[INFO] [stderr]     Checking imap v0.10.0
[INFO] [stderr]     Checking rsmail-cli v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | /     Ctx::init(User::from_cli())
[INFO] [stdout] 12 | |         .map(|mut ctx| {
[INFO] [stdout] 13 | |             ctx.session.select("INBOX").unwrap();
[INFO] [stdout] 14 | |             ctx.session.fetch("1", "RFC822")
[INFO] [stdout] ...  |
[INFO] [stdout] 27 | |                 });
[INFO] [stdout] 28 | |         });
[INFO] [stdout]    | |___________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/main.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 | /             ctx.session.fetch("1", "RFC822")
[INFO] [stdout] 15 | |                 .map(|messages| {
[INFO] [stdout] 16 | |                     let message = messages.iter().next().unwrap();
[INFO] [stdout] 17 | |
[INFO] [stdout] ...  |
[INFO] [stdout] 26 | |                     println!("{}", body);
[INFO] [stdout] 27 | |                 });
[INFO] [stdout]    | |___________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/main.rs:24:21
[INFO] [stdout]    |
[INFO] [stdout] 24 |                     ctx.session.logout();
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | /     Ctx::init(User::from_cli())
[INFO] [stdout] 12 | |         .map(|mut ctx| {
[INFO] [stdout] 13 | |             ctx.session.select("INBOX").unwrap();
[INFO] [stdout] 14 | |             ctx.session.fetch("1", "RFC822")
[INFO] [stdout] ...  |
[INFO] [stdout] 27 | |                 });
[INFO] [stdout] 28 | |         });
[INFO] [stdout]    | |___________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/main.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 | /             ctx.session.fetch("1", "RFC822")
[INFO] [stdout] 15 | |                 .map(|messages| {
[INFO] [stdout] 16 | |                     let message = messages.iter().next().unwrap();
[INFO] [stdout] 17 | |
[INFO] [stdout] ...  |
[INFO] [stdout] 26 | |                     println!("{}", body);
[INFO] [stdout] 27 | |                 });
[INFO] [stdout]    | |___________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/main.rs:24:21
[INFO] [stdout]    |
[INFO] [stdout] 24 |                     ctx.session.logout();
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.34s
[INFO] running `Command { std: "docker" "inspect" "7b5a3a376d1d849bc485c3b1d1f81e20c6cd0d6e470a149673132ed3624db999", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b5a3a376d1d849bc485c3b1d1f81e20c6cd0d6e470a149673132ed3624db999", kill_on_drop: false }`
[INFO] [stdout] 7b5a3a376d1d849bc485c3b1d1f81e20c6cd0d6e470a149673132ed3624db999