[INFO] cloning repository https://github.com/CrispinStichart/email-liberator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CrispinStichart/email-liberator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCrispinStichart%2Femail-liberator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCrispinStichart%2Femail-liberator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2c32d6e238e03a11242436100265f5258f7c9e8e
[INFO] checking CrispinStichart/email-liberator against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCrispinStichart%2Femail-liberator" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/CrispinStichart/email-liberator 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/CrispinStichart/email-liberator
[INFO] finished tweaking git repo https://github.com/CrispinStichart/email-liberator
[INFO] tweaked toml for git repo https://github.com/CrispinStichart/email-liberator written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/CrispinStichart/email-liberator 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 }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 7591b3971aea2edc63aec7a0759e9d8afaad326b67f0caa922df51a0fb128fc2
[INFO] running `Command { std: "docker" "start" "-a" "7591b3971aea2edc63aec7a0759e9d8afaad326b67f0caa922df51a0fb128fc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7591b3971aea2edc63aec7a0759e9d8afaad326b67f0caa922df51a0fb128fc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7591b3971aea2edc63aec7a0759e9d8afaad326b67f0caa922df51a0fb128fc2", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 678faf01054fe3b864634a301975d882676c15d094ac5aeced67db86e7bf7316
[INFO] running `Command { std: "docker" "start" "-a" "678faf01054fe3b864634a301975d882676c15d094ac5aeced67db86e7bf7316", kill_on_drop: false }`
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[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking regex v1.5.5
[INFO] [stderr]     Checking imap-proto v0.15.0
[INFO] [stderr]     Checking predicates v2.1.1
[INFO] [stderr]     Checking assert_cmd v2.0.4
[INFO] [stderr]    Compiling ouroboros_macro v0.14.2
[INFO] [stderr]    Compiling clap_derive v3.1.4
[INFO] [stderr]     Checking ctrlc v3.2.1
[INFO] [stderr]     Checking ouroboros v0.14.2
[INFO] [stderr]     Checking imap v3.0.0-alpha.6
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[INFO] [stderr]     Checking mail_client v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `imap` is imported redundantly
[INFO] [stdout]  --> src/lib.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | use imap::{self};
[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: unused import: `anyhow::Result`
[INFO] [stdout]  --> src/action.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use anyhow::Result;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serde_json` is imported redundantly
[INFO] [stdout]  --> src/action.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use serde_json;
[INFO] [stdout]   |     ^^^^^^^^^^ the item `serde_json` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `mailparse` is imported redundantly
[INFO] [stdout]  --> src/email.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use mailparse;
[INFO] [stdout]   |     ^^^^^^^^^ the item `mailparse` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serde_json` is imported redundantly
[INFO] [stdout]  --> src/email.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use serde_json;
[INFO] [stdout]   |     ^^^^^^^^^^ the item `serde_json` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `imap` is imported redundantly
[INFO] [stdout]  --> src/lib.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | use imap::{self};
[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 `serde_json` is imported redundantly
[INFO] [stdout]  --> src/action.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use serde_json;
[INFO] [stdout]   |     ^^^^^^^^^^ the item `serde_json` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `mailparse` is imported redundantly
[INFO] [stdout]  --> src/email.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use mailparse;
[INFO] [stdout]   |     ^^^^^^^^^ the item `mailparse` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serde_json` is imported redundantly
[INFO] [stdout]  --> src/email.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use serde_json;
[INFO] [stdout]   |     ^^^^^^^^^^ the item `serde_json` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `sections` is never read
[INFO] [stdout]   --> src/config.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub struct ImapOptions {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] 40 |     sections: Vec<Sections>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ImapOptions` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `sections` is never read
[INFO] [stdout]   --> src/config.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub struct ImapOptions {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] 40 |     sections: Vec<Sections>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ImapOptions` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `lettre` is imported redundantly
[INFO] [stdout]  --> src/bin/send_test_email.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use lettre;
[INFO] [stdout]   |     ^^^^^^ the item `lettre` 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 `lettre_email` is imported redundantly
[INFO] [stdout]  --> src/bin/send_test_email.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use lettre_email;
[INFO] [stdout]   |     ^^^^^^^^^^^^ the item `lettre_email` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `native_tls` is imported redundantly
[INFO] [stdout]  --> src/bin/send_test_email.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use native_tls;
[INFO] [stdout]   |     ^^^^^^^^^^ the item `native_tls` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `lettre` is imported redundantly
[INFO] [stdout]  --> tests/utils/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use lettre;
[INFO] [stdout]   |     ^^^^^^ the item `lettre` 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 `lettre_email` is imported redundantly
[INFO] [stdout]  --> tests/utils/mod.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use lettre_email;
[INFO] [stdout]   |     ^^^^^^^^^^^^ the item `lettre_email` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `lettre` is imported redundantly
[INFO] [stdout]  --> tests/utils/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use lettre;
[INFO] [stdout]   |     ^^^^^^ the item `lettre` 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 `lettre_email` is imported redundantly
[INFO] [stdout]  --> tests/utils/mod.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use lettre_email;
[INFO] [stdout]   |     ^^^^^^^^^^^^ the item `lettre_email` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `native_tls` is imported redundantly
[INFO] [stdout]  --> tests/utils/mod.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use native_tls;
[INFO] [stdout]   |     ^^^^^^^^^^ the item `native_tls` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `native_tls` is imported redundantly
[INFO] [stdout]  --> tests/utils/mod.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use native_tls;
[INFO] [stdout]   |     ^^^^^^^^^^ the item `native_tls` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread::sleep`
[INFO] [stdout]  --> tests/test_execute.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::thread::sleep;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> tests/test_execute.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `lettre` is imported redundantly
[INFO] [stdout]  --> src/bin/send_test_email.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use lettre;
[INFO] [stdout]   |     ^^^^^^ the item `lettre` 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 `lettre_email` is imported redundantly
[INFO] [stdout]  --> src/bin/send_test_email.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use lettre_email;
[INFO] [stdout]   |     ^^^^^^^^^^^^ the item `lettre_email` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `native_tls` is imported redundantly
[INFO] [stdout]  --> src/bin/send_test_email.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use native_tls;
[INFO] [stdout]   |     ^^^^^^^^^^ the item `native_tls` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `assert_cmd` is imported redundantly
[INFO] [stdout]  --> tests/test_fetcher.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use assert_cmd;
[INFO] [stdout]   |     ^^^^^^^^^^ the item `assert_cmd` 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 `lettre` is imported redundantly
[INFO] [stdout]  --> tests/utils/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use lettre;
[INFO] [stdout]   |     ^^^^^^ the item `lettre` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `lettre_email` is imported redundantly
[INFO] [stdout]  --> tests/utils/mod.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use lettre_email;
[INFO] [stdout]   |     ^^^^^^^^^^^^ the item `lettre_email` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `native_tls` is imported redundantly
[INFO] [stdout]  --> tests/utils/mod.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use native_tls;
[INFO] [stdout]   |     ^^^^^^^^^^ the item `native_tls` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `libc` is imported redundantly
[INFO] [stdout]   --> tests/test_fetcher.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | use libc;
[INFO] [stdout]    |     ^^^^ the item `libc` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `lettre` is imported redundantly
[INFO] [stdout]  --> tests/utils/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use lettre;
[INFO] [stdout]   |     ^^^^^^ the item `lettre` 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 `lettre_email` is imported redundantly
[INFO] [stdout]  --> tests/utils/mod.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use lettre_email;
[INFO] [stdout]   |     ^^^^^^^^^^^^ the item `lettre_email` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `native_tls` is imported redundantly
[INFO] [stdout]  --> tests/utils/mod.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use native_tls;
[INFO] [stdout]   |     ^^^^^^^^^^ the item `native_tls` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `utils::*`
[INFO] [stdout]  --> tests/pipeline_test.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use utils::*;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.42s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v4.2.3
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "678faf01054fe3b864634a301975d882676c15d094ac5aeced67db86e7bf7316", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "678faf01054fe3b864634a301975d882676c15d094ac5aeced67db86e7bf7316", kill_on_drop: false }`
[INFO] [stdout] 678faf01054fe3b864634a301975d882676c15d094ac5aeced67db86e7bf7316