[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 beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKloenk%2Fdatenbriefd" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Kloenk/datenbriefd on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", 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-3/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" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b671deee75331023483cbcde756a6e92d829eec01a7b74108d818bea1c2cf59e
[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" "b671deee75331023483cbcde756a6e92d829eec01a7b74108d818bea1c2cf59e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b671deee75331023483cbcde756a6e92d829eec01a7b74108d818bea1c2cf59e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b671deee75331023483cbcde756a6e92d829eec01a7b74108d818bea1c2cf59e", kill_on_drop: false }`
[INFO] [stdout] b671deee75331023483cbcde756a6e92d829eec01a7b74108d818bea1c2cf59e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6191d3ed785262e3081a6c7514f4390d618b0743eeb2c5408146e89ee3ab22a9
[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" "6191d3ed785262e3081a6c7514f4390d618b0743eeb2c5408146e89ee3ab22a9", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]    Compiling bitflags v1.2.0
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking unicode-width v0.1.6
[INFO] [stderr]     Checking termcolor v1.0.5
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking env_logger v0.7.0
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]     Checking toml v0.5.3
[INFO] [stderr]     Checking serde_json v1.0.40
[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 18.37s
[INFO] running `Command { std: "docker" "inspect" "6191d3ed785262e3081a6c7514f4390d618b0743eeb2c5408146e89ee3ab22a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6191d3ed785262e3081a6c7514f4390d618b0743eeb2c5408146e89ee3ab22a9", kill_on_drop: false }`
[INFO] [stdout] 6191d3ed785262e3081a6c7514f4390d618b0743eeb2c5408146e89ee3ab22a9