[INFO] cloning repository https://github.com/BHatGuy/ImapSorter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BHatGuy/ImapSorter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBHatGuy%2FImapSorter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBHatGuy%2FImapSorter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d3913edd9b5dc57f6f126043d5b3504de33f669d
[INFO] checking BHatGuy/ImapSorter against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBHatGuy%2FImapSorter" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/BHatGuy/ImapSorter on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/BHatGuy/ImapSorter
[INFO] finished tweaking git repo https://github.com/BHatGuy/ImapSorter
[INFO] tweaked toml for git repo https://github.com/BHatGuy/ImapSorter written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/BHatGuy/ImapSorter already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ouroboros_macro v0.15.0
[INFO] [stderr]   Downloaded imap-proto v0.16.1
[INFO] [stderr]   Downloaded ouroboros v0.15.0
[INFO] [stderr]   Downloaded imap v3.0.0-alpha.7
[INFO] [stderr]   Downloaded flexi_logger v0.20.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d50490e48ac319422cab0c565b83b16afc4851b59519a1b6f5b0b63c5d00ce5e
[INFO] running `Command { std: "docker" "start" "-a" "d50490e48ac319422cab0c565b83b16afc4851b59519a1b6f5b0b63c5d00ce5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d50490e48ac319422cab0c565b83b16afc4851b59519a1b6f5b0b63c5d00ce5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d50490e48ac319422cab0c565b83b16afc4851b59519a1b6f5b0b63c5d00ce5e", kill_on_drop: false }`
[INFO] [stdout] d50490e48ac319422cab0c565b83b16afc4851b59519a1b6f5b0b63c5d00ce5e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6cdeb23d02292144cd6383f17abcfafaec3f72b5751e0ecfe4392068b53ea750
[INFO] running `Command { std: "docker" "start" "-a" "6cdeb23d02292144cd6383f17abcfafaec3f72b5751e0ecfe4392068b53ea750", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.96
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]     Checking regex-syntax v0.6.26
[INFO] [stderr]    Compiling rustversion v1.0.6
[INFO] [stderr]     Checking aliasable v0.1.3
[INFO] [stderr]     Checking num_threads v0.1.6
[INFO] [stderr]    Compiling time-macros v0.2.4
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking bufstream v0.1.4
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]    Compiling openssl-sys v0.9.74
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking nom v7.1.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling openssl v0.10.40
[INFO] [stderr]    Compiling native-tls v0.2.10
[INFO] [stderr]     Checking time v0.3.9
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking regex v1.5.6
[INFO] [stderr]     Checking imap-proto v0.16.1
[INFO] [stderr]     Checking toml v0.5.9
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling openssl-macros v0.1.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]    Compiling ouroboros_macro v0.15.0
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]     Checking thiserror v1.0.31
[INFO] [stderr]     Checking flexi_logger v0.20.1
[INFO] [stderr]     Checking ouroboros v0.15.0
[INFO] [stderr]     Checking imap v3.0.0-alpha.7
[INFO] [stderr]     Checking mail-sorter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `imap` is imported redundantly
[INFO] [stdout]  --> src/filter_client.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use imap;
[INFO] [stdout]   |     ^^^^ the item `imap` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `native_tls` is imported redundantly
[INFO] [stdout]  --> src/filter_client.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use native_tls;
[INFO] [stdout]   |     ^^^^^^^^^^ the item `native_tls` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `flexi_logger` is imported redundantly
[INFO] [stdout]  --> src/main.rs:7:20
[INFO] [stdout]   |
[INFO] [stdout] 7 | use flexi_logger::{self, Cleanup, Criterion, DeferredNow, FileSpec, Naming, Record};
[INFO] [stdout]   |                    ^^^^ the item `flexi_logger` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `log` is imported redundantly
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use log;
[INFO] [stdout]   |     ^^^ the item `log` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `imap` is imported redundantly
[INFO] [stdout]  --> src/filter_client.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use imap;
[INFO] [stdout]   |     ^^^^ the item `imap` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `native_tls` is imported redundantly
[INFO] [stdout]  --> src/filter_client.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use native_tls;
[INFO] [stdout]   |     ^^^^^^^^^^ the item `native_tls` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `flexi_logger` is imported redundantly
[INFO] [stdout]  --> src/main.rs:7:20
[INFO] [stdout]   |
[INFO] [stdout] 7 | use flexi_logger::{self, Cleanup, Criterion, DeferredNow, FileSpec, Naming, Record};
[INFO] [stdout]   |                    ^^^^ the item `flexi_logger` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `log` is imported redundantly
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use log;
[INFO] [stdout]   |     ^^^ the item `log` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.26s
[INFO] running `Command { std: "docker" "inspect" "6cdeb23d02292144cd6383f17abcfafaec3f72b5751e0ecfe4392068b53ea750", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cdeb23d02292144cd6383f17abcfafaec3f72b5751e0ecfe4392068b53ea750", kill_on_drop: false }`
[INFO] [stdout] 6cdeb23d02292144cd6383f17abcfafaec3f72b5751e0ecfe4392068b53ea750