[INFO] fetching crate mailme 0.1.1...
[INFO] testing mailme-0.1.1 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate mailme 0.1.1 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate mailme 0.1.1
[INFO] finished tweaking crates.io crate mailme 0.1.1
[INFO] tweaked toml for crates.io crate mailme 0.1.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mailme 0.1.1 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 71 packages to highest compatible versions
[INFO] [stderr]       Adding aho-corasick v0.7.15 (available: v0.7.20)
[INFO] [stderr]       Adding memchr v2.3.4 (available: v2.8.3)
[INFO] [stderr]       Adding nom v6.2.2 (available: v8.0.0)
[INFO] [stderr]       Adding pretty_env_logger v0.4.0 (available: v0.5.0)
[INFO] [stderr]       Adding regex v1.4.6 (available: v1.13.1)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.21)
[INFO] [stderr]       Adding tokio v0.3.7 (available: v1.53.3)
[INFO] [stderr]       Adding tokio-rustls v0.20.0 (available: v0.26.6)
[INFO] [stderr]       Adding webpki-roots v0.20.0 (available: v1.0.9)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bytes v0.6.0
[INFO] [stderr]   Downloaded tokio-rustls v0.20.0
[INFO] [stderr]   Downloaded rustls v0.18.1
[INFO] [stderr]   Downloaded webpki-roots v0.20.0
[INFO] [stderr]   Downloaded regex v1.4.6
[INFO] [stderr]   Downloaded tokio v0.3.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] fc392d1274789d4bde3efdd6f43eea0fb204fb04fe1bb8161dcf220ccd270707
[INFO] running `Command { std: "docker" "start" "fc392d1274789d4bde3efdd6f43eea0fb204fb04fe1bb8161dcf220ccd270707", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc392d1274789d4bde3efdd6f43eea0fb204fb04fe1bb8161dcf220ccd270707", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "fc392d1274789d4bde3efdd6f43eea0fb204fb04fe1bb8161dcf220ccd270707" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc392d1274789d4bde3efdd6f43eea0fb204fb04fe1bb8161dcf220ccd270707", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "fc392d1274789d4bde3efdd6f43eea0fb204fb04fe1bb8161dcf220ccd270707" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling base64 v0.12.3
[INFO] [stderr]    Compiling tokio v0.3.7
[INFO] [stderr]    Compiling nom v6.2.2
[INFO] [stderr]    Compiling bytes v0.6.0
[INFO] [stderr]    Compiling mio v0.7.14
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling bitvec v0.19.6
[INFO] [stderr]    Compiling webpki v0.21.4
[INFO] [stderr]    Compiling sct v0.6.1
[INFO] [stderr]    Compiling rustls v0.18.1
[INFO] [stderr]    Compiling webpki-roots v0.20.0
[INFO] [stderr]    Compiling tokio-rustls v0.20.0
[INFO] [stderr]    Compiling mailme v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `msg_count` and `mailbox_size` are never read
[INFO] [stdout]    --> src/pop3.rs:346:5
[INFO] [stdout]     |
[INFO] [stdout] 345 | pub struct POP3Status {
[INFO] [stdout]     |            ---------- fields in this struct
[INFO] [stdout] 346 |     msg_count: usize,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 347 |     mailbox_size: usize,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `POP3Status` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 16.10s
[INFO] running `Command { std: "docker" "inspect" "fc392d1274789d4bde3efdd6f43eea0fb204fb04fe1bb8161dcf220ccd270707", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "fc392d1274789d4bde3efdd6f43eea0fb204fb04fe1bb8161dcf220ccd270707" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling termcolor v1.4.1
[INFO] [stderr]    Compiling dotenv v0.15.0
[INFO] [stdout] warning: fields `msg_count` and `mailbox_size` are never read
[INFO] [stdout]    --> src/pop3.rs:346:5
[INFO] [stdout]     |
[INFO] [stdout] 345 | pub struct POP3Status {
[INFO] [stdout]     |            ---------- fields in this struct
[INFO] [stdout] 346 |     msg_count: usize,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 347 |     mailbox_size: usize,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `POP3Status` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling regex v1.4.6
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling pretty_env_logger v0.4.0
[INFO] [stderr]    Compiling mailme v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `msg_count` and `mailbox_size` are never read
[INFO] [stdout]    --> src/pop3.rs:346:5
[INFO] [stdout]     |
[INFO] [stdout] 345 | pub struct POP3Status {
[INFO] [stdout]     |            ---------- fields in this struct
[INFO] [stdout] 346 |     msg_count: usize,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 347 |     mailbox_size: usize,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `POP3Status` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 14.36s
[INFO] running `Command { std: "docker" "inspect" "fc392d1274789d4bde3efdd6f43eea0fb204fb04fe1bb8161dcf220ccd270707", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "fc392d1274789d4bde3efdd6f43eea0fb204fb04fe1bb8161dcf220ccd270707" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: fields `msg_count` and `mailbox_size` are never read
[INFO] [stderr]    --> src/pop3.rs:346:5
[INFO] [stderr]     |
[INFO] [stderr] 345 | pub struct POP3Status {
[INFO] [stderr]     |            ---------- fields in this struct
[INFO] [stderr] 346 |     msg_count: usize,
[INFO] [stderr]     |     ^^^^^^^^^
[INFO] [stderr] 347 |     mailbox_size: usize,
[INFO] [stderr]     |     ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `POP3Status` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `mailme` (lib) generated 1 warning
[INFO] [stderr] warning: `mailme` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.11s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/release/deps/mailme-8ab802d3cca960b8)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test pop3::tests::test_connect ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- pop3::tests::test_connect stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'pop3::tests::test_connect' (705) panicked at src/pop3.rs:367:75:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: ConnectionFailed("failed to lookup address information: Temporary failure in name resolution")
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654bb6d78d11 - <<std[70759c8f55707aa4]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[df12db4294e9bfd3]::fmt::Display>::fmt
[INFO] [stdout]    1:     0x654bb6d8e4ea - core[df12db4294e9bfd3]::fmt::write
[INFO] [stdout]    2:     0x654bb6d7d70c - <alloc[2182bb758b4b3781]::vec::Vec<u8> as core[df12db4294e9bfd3]::io::write::Write>::write_fmt
[INFO] [stdout]    3:     0x654bb6d54426 - std[70759c8f55707aa4]::panicking::default_hook::{closure#0}
[INFO] [stdout]    4:     0x654bb6d70dc9 - std[70759c8f55707aa4]::panicking::default_hook
[INFO] [stdout]    5:     0x654bb6c6b6d0 - test[9d35eded1c95d3be]::test_main_inner::<test[9d35eded1c95d3be]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]    6:     0x654bb6d70f82 - std[70759c8f55707aa4]::panicking::panic_with_hook
[INFO] [stdout]    7:     0x654bb6d544d2 - std[70759c8f55707aa4]::panicking::panic_handler::{closure#0}
[INFO] [stdout]    8:     0x654bb6d4cf39 - std[70759c8f55707aa4]::sys::backtrace::__rust_end_short_backtrace::<std[70759c8f55707aa4]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]    9:     0x654bb6d5535d - __rustc[8fa7c3cbc660c2b3]::rust_begin_unwind
[INFO] [stdout]   10:     0x654bb6d8ec4c - core[df12db4294e9bfd3]::panicking::panic_fmt
[INFO] [stdout]   11:     0x654bb6d8ea22 - core[df12db4294e9bfd3]::result::unwrap_failed
[INFO] [stdout]   12:     0x654bb6c417a4 - mailme[646040dae9dd6187]::pop3::tests::test_connect::{closure#0}
[INFO] [stdout]   13:     0x654bb6c50d8b - <tokio[c445cac1642950d2]::runtime::thread_pool::ThreadPool>::block_on::<mailme[646040dae9dd6187]::pop3::tests::test_connect::{closure#0}>
[INFO] [stdout]   14:     0x654bb6c5292d - <tokio[c445cac1642950d2]::runtime::Runtime>::block_on::<mailme[646040dae9dd6187]::pop3::tests::test_connect::{closure#0}>
[INFO] [stdout]   15:     0x654bb6c58df9 - <mailme[646040dae9dd6187]::pop3::tests::test_connect::{closure#0} as core[df12db4294e9bfd3]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   16:     0x654bb6c5e9bb - test[9d35eded1c95d3be]::__rust_begin_short_backtrace::<core[df12db4294e9bfd3]::result::Result<(), alloc[2182bb758b4b3781]::string::String>, fn() -> core[df12db4294e9bfd3]::result::Result<(), alloc[2182bb758b4b3781]::string::String>>
[INFO] [stdout]   17:     0x654bb6c6c025 - test[9d35eded1c95d3be]::run_test::{closure#0}
[INFO] [stdout]   18:     0x654bb6c658e4 - std[70759c8f55707aa4]::sys::backtrace::__rust_begin_short_backtrace::<test[9d35eded1c95d3be]::run_test::{closure#1}, ()>
[INFO] [stdout]   19:     0x654bb6c6f182 - <std[70759c8f55707aa4]::thread::lifecycle::spawn_unchecked<test[9d35eded1c95d3be]::run_test::{closure#1}, ()>::{closure#1} as core[df12db4294e9bfd3]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]   20:     0x654bb6d78249 - <std[70759c8f55707aa4]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]   21:     0x77df53a4ddfa - <unknown>
[INFO] [stdout]   22:     0x77df53ae13d4 - clone
[INFO] [stdout]   23:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     pop3::tests::test_connect
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "fc392d1274789d4bde3efdd6f43eea0fb204fb04fe1bb8161dcf220ccd270707", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc392d1274789d4bde3efdd6f43eea0fb204fb04fe1bb8161dcf220ccd270707", kill_on_drop: false }`
[INFO] [stdout] fc392d1274789d4bde3efdd6f43eea0fb204fb04fe1bb8161dcf220ccd270707
