[INFO] fetching crate pop3-mail-client 0.1.0... [INFO] testing pop3-mail-client-0.1.0 against beta-2025-10-28 for beta-1.92-2 [INFO] extracting crate pop3-mail-client 0.1.0 into /workspace/builds/worker-3-tc2/source [INFO] started tweaking crates.io crate pop3-mail-client 0.1.0 [INFO] finished tweaking crates.io crate pop3-mail-client 0.1.0 [INFO] tweaked toml for crates.io crate pop3-mail-client 0.1.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate pop3-mail-client 0.1.0 on toolchain beta-2025-10-28 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "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" "+beta-2025-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 36 packages to latest compatible versions [INFO] [stderr] Adding rustls v0.22.4 (available: v0.23.35) [INFO] [stderr] Adding rustls-native-certs v0.7.3 (available: v0.8.2) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 27a5c78ac067ad55e9222fc7186775900a81616925572896a6e5770e72637bfa [INFO] running `Command { std: "docker" "start" "-a" "27a5c78ac067ad55e9222fc7186775900a81616925572896a6e5770e72637bfa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "27a5c78ac067ad55e9222fc7186775900a81616925572896a6e5770e72637bfa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "27a5c78ac067ad55e9222fc7186775900a81616925572896a6e5770e72637bfa", kill_on_drop: false }` [INFO] [stdout] 27a5c78ac067ad55e9222fc7186775900a81616925572896a6e5770e72637bfa [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 06b4ca209ebdca2288b51d3f03b73690f7a962bb1c208332a0ad887595af53d9 [INFO] running `Command { std: "docker" "start" "-a" "06b4ca209ebdca2288b51d3f03b73690f7a962bb1c208332a0ad887595af53d9", kill_on_drop: false }` [INFO] [stderr] Compiling rustls v0.22.4 [INFO] [stderr] Compiling rustls-pemfile v2.2.0 [INFO] [stderr] Compiling ring v0.17.14 [INFO] [stderr] Compiling rustls-native-certs v0.7.3 [INFO] [stderr] Compiling rustls-webpki v0.102.8 [INFO] [stderr] Compiling pop3-mail-client v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:270:22 [INFO] [stdout] | [INFO] [stdout] 270 | pub fn new(host: &str, port: u16) -> Pop3Connection { [INFO] [stdout] | ^^^^ ^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 270 | pub fn new(host: &str, port: u16) -> Pop3Connection<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.27s [INFO] running `Command { std: "docker" "inspect" "06b4ca209ebdca2288b51d3f03b73690f7a962bb1c208332a0ad887595af53d9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "06b4ca209ebdca2288b51d3f03b73690f7a962bb1c208332a0ad887595af53d9", kill_on_drop: false }` [INFO] [stdout] 06b4ca209ebdca2288b51d3f03b73690f7a962bb1c208332a0ad887595af53d9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1db90b9d6a8f0bc3cea1d2cdedcc87521f1752e85525dd6a3f8646451b11ed85 [INFO] running `Command { std: "docker" "start" "-a" "1db90b9d6a8f0bc3cea1d2cdedcc87521f1752e85525dd6a3f8646451b11ed85", kill_on_drop: false }` [INFO] [stderr] Compiling pop3-mail-client v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:270:22 [INFO] [stdout] | [INFO] [stdout] 270 | pub fn new(host: &str, port: u16) -> Pop3Connection { [INFO] [stdout] | ^^^^ ^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 270 | pub fn new(host: &str, port: u16) -> Pop3Connection<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:270:22 [INFO] [stdout] | [INFO] [stdout] 270 | pub fn new(host: &str, port: u16) -> Pop3Connection { [INFO] [stdout] | ^^^^ ^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 270 | pub fn new(host: &str, port: u16) -> Pop3Connection<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.94s [INFO] running `Command { std: "docker" "inspect" "1db90b9d6a8f0bc3cea1d2cdedcc87521f1752e85525dd6a3f8646451b11ed85", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1db90b9d6a8f0bc3cea1d2cdedcc87521f1752e85525dd6a3f8646451b11ed85", kill_on_drop: false }` [INFO] [stdout] 1db90b9d6a8f0bc3cea1d2cdedcc87521f1752e85525dd6a3f8646451b11ed85 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 2b29cc7212dc9e3f854f7bfda6254b68e1f4433dafa6308012b93b6d48d92b9f [INFO] running `Command { std: "docker" "start" "-a" "2b29cc7212dc9e3f854f7bfda6254b68e1f4433dafa6308012b93b6d48d92b9f", kill_on_drop: false }` [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] [INFO] [stderr] --> src/lib.rs:270:22 [INFO] [stdout] running 17 tests [INFO] [stderr] | [INFO] [stderr] 270 | pub fn new(host: &str, port: u16) -> Pop3Connection { [INFO] [stderr] | ^^^^ ^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stderr] | | [INFO] [stderr] | the lifetime is elided here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 270 | pub fn new(host: &str, port: u16) -> Pop3Connection<'_> { [INFO] [stderr] | ++++ [INFO] [stderr] [INFO] [stderr] warning: `pop3-mail-client` (lib) generated 1 warning (run `cargo fix --lib -p pop3-mail-client` to apply 1 suggestion) [INFO] [stderr] warning: `pop3-mail-client` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/pop3_mail_client-6723ac3f1161f810) [INFO] [stdout] test reader::tests::test_read_multi_response_err_result ... ok [INFO] [stdout] test reader::tests::test_read_multi_response_ok_result_no_carriage_return ... ok [INFO] [stdout] test reader::tests::test_read_response_err_result ... ok [INFO] [stdout] test reader::tests::test_read_response_unknown_result ... ok [INFO] [stdout] test reader::tests::test_read_response_ok_result ... ok [INFO] [stdout] test reader::tests::test_read_multi_response_ok_result_with_carriage_return ... ok [INFO] [stdout] test responses::tests::test_item_response_try_from_fails_for_response_with_no_spaces ... ok [INFO] [stdout] test responses::tests::test_item_response_try_from_fails_for_response_without_numbers ... ok [INFO] [stdout] test responses::tests::test_item_response_try_from ... ok [INFO] [stdout] test responses::tests::test_list_response_try_from_ending_period ... ok [INFO] [stdout] test responses::tests::test_list_response_try_from_invalid ... ok [INFO] [stdout] test responses::tests::test_list_response_try_from_with_carriage_return ... ok [INFO] [stdout] test responses::tests::test_list_response_try_from_with_returnsat_end ... ok [INFO] [stdout] test responses::tests::test_stat_response_try_from ... ok [INFO] [stdout] test responses::tests::test_uidl_response_try_from ... ok [INFO] [stdout] test responses::tests::test_uidl_response_try_from_with_returns_at_end ... ok [INFO] [stdout] test responses::tests::test_list_response_try_from ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stderr] Doc-tests pop3_mail_client [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "2b29cc7212dc9e3f854f7bfda6254b68e1f4433dafa6308012b93b6d48d92b9f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2b29cc7212dc9e3f854f7bfda6254b68e1f4433dafa6308012b93b6d48d92b9f", kill_on_drop: false }` [INFO] [stdout] 2b29cc7212dc9e3f854f7bfda6254b68e1f4433dafa6308012b93b6d48d92b9f