[INFO] cloning repository https://github.com/Kloenk/datenbriefd
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Kloenk/datenbriefd" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKloenk%2Fdatenbriefd", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKloenk%2Fdatenbriefd'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6190e47bb05d754875c628852e1deeeafafd3026
[INFO] checking Kloenk/datenbriefd against master#50e1dc1536264ab71c0850f346b12309477f29f7 for pr-85073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKloenk%2Fdatenbriefd" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Kloenk/datenbriefd on toolchain 50e1dc1536264ab71c0850f346b12309477f29f7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Kloenk/datenbriefd
[INFO] finished tweaking git repo https://github.com/Kloenk/datenbriefd
[INFO] tweaked toml for git repo https://github.com/Kloenk/datenbriefd written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/Kloenk/datenbriefd already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "fetch" "--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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4a6ee78fd486c184974af50e919fc2e6ea5780e88947bc33d09f189055659741
[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" "4a6ee78fd486c184974af50e919fc2e6ea5780e88947bc33d09f189055659741", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4a6ee78fd486c184974af50e919fc2e6ea5780e88947bc33d09f189055659741", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a6ee78fd486c184974af50e919fc2e6ea5780e88947bc33d09f189055659741", kill_on_drop: false }`
[INFO] [stdout] 4a6ee78fd486c184974af50e919fc2e6ea5780e88947bc33d09f189055659741
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8f657561526227adc21ebbacfbcb96dc3e60e8a4c8ac48731fa1da3f2a002621
[INFO] running `Command { std: "docker" "start" "-a" "8f657561526227adc21ebbacfbcb96dc3e60e8a4c8ac48731fa1da3f2a002621", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]     Checking env_logger v0.7.0
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]     Checking toml v0.5.3
[INFO] [stderr]     Checking datenbriefd v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `OpenOptions`
[INFO] [stdout]   --> src/lib.rs:14:16
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fs::{File, OpenOptions},
[INFO] [stdout]    |                ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `tls` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:76:5
[INFO] [stdout]    |
[INFO] [stdout] 76 |     tls,
[INFO] [stdout]    |     ^^^ help: convert the identifier to upper camel case: `Tls`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `starttls` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:77:5
[INFO] [stdout]    |
[INFO] [stdout] 77 |     starttls,
[INFO] [stdout]    |     ^^^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Starttls`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `OpenOptions`
[INFO] [stdout]   --> src/lib.rs:14:16
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fs::{File, OpenOptions},
[INFO] [stdout]    |                ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `tls` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:76:5
[INFO] [stdout]    |
[INFO] [stdout] 76 |     tls,
[INFO] [stdout]    |     ^^^ help: convert the identifier to upper camel case: `Tls`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `starttls` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:77:5
[INFO] [stdout]    |
[INFO] [stdout] 77 |     starttls,
[INFO] [stdout]    |     ^^^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Starttls`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write_time`
[INFO] [stdout]    --> src/lib.rs:165:8
[INFO] [stdout]     |
[INFO] [stdout] 165 |     fn write_time(&self) -> std::io::Result<()> {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `ImapControl` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub ImapControl: ServerConfig,
[INFO] [stdout]    |         ^^^^^^^^^^^ help: convert the identifier to snake case: `imap_control`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `Imap` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub Imap: ServerConfig,
[INFO] [stdout]    |         ^^^^ help: convert the identifier to snake case (notice the capitalization): `imap`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `Smtp` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub Smtp: ServerConfig,
[INFO] [stdout]    |         ^^^^ help: convert the identifier to snake case (notice the capitalization): `smtp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write_time`
[INFO] [stdout]    --> src/lib.rs:165:8
[INFO] [stdout]     |
[INFO] [stdout] 165 |     fn write_time(&self) -> std::io::Result<()> {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `ImapControl` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub ImapControl: ServerConfig,
[INFO] [stdout]    |         ^^^^^^^^^^^ help: convert the identifier to snake case: `imap_control`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `Imap` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub Imap: ServerConfig,
[INFO] [stdout]    |         ^^^^ help: convert the identifier to snake case (notice the capitalization): `imap`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `Smtp` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub Smtp: ServerConfig,
[INFO] [stdout]    |         ^^^^ help: convert the identifier to snake case (notice the capitalization): `smtp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.22s
[INFO] running `Command { std: "docker" "inspect" "8f657561526227adc21ebbacfbcb96dc3e60e8a4c8ac48731fa1da3f2a002621", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f657561526227adc21ebbacfbcb96dc3e60e8a4c8ac48731fa1da3f2a002621", kill_on_drop: false }`
[INFO] [stdout] 8f657561526227adc21ebbacfbcb96dc3e60e8a4c8ac48731fa1da3f2a002621