[INFO] fetching crate pop3-mail-client 0.1.0...
[INFO] testing pop3-mail-client-0.1.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-2
[INFO] extracting crate pop3-mail-client 0.1.0 into /workspace/builds/worker-7-tc1/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-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate pop3-mail-client 0.1.0 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "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" "+562dee4820c458d823175268e41601d4c060588a" "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: v0.23.38)
[INFO] [stderr]       Adding rustls-native-certs v0.7.3 (available: v0.8.3)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustls v0.22.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 204c0771cabf3d3bee1aba6c1e16bc237e7e33eec5146b5b79400bd17388228b
[INFO] running `Command { std: "docker" "start" "-a" "204c0771cabf3d3bee1aba6c1e16bc237e7e33eec5146b5b79400bd17388228b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "204c0771cabf3d3bee1aba6c1e16bc237e7e33eec5146b5b79400bd17388228b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "204c0771cabf3d3bee1aba6c1e16bc237e7e33eec5146b5b79400bd17388228b", kill_on_drop: false }`
[INFO] [stdout] 204c0771cabf3d3bee1aba6c1e16bc237e7e33eec5146b5b79400bd17388228b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2b5c1cb18d596b457fcb0cc36516c55308c6dfb0e1468fb55e47546c931bfc39
[INFO] running `Command { std: "docker" "start" "-a" "2b5c1cb18d596b457fcb0cc36516c55308c6dfb0e1468fb55e47546c931bfc39", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustls v0.22.4
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling rustls-pemfile v2.2.0
[INFO] [stderr]    Compiling getrandom v0.2.17
[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 11.82s
[INFO] running `Command { std: "docker" "inspect" "2b5c1cb18d596b457fcb0cc36516c55308c6dfb0e1468fb55e47546c931bfc39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b5c1cb18d596b457fcb0cc36516c55308c6dfb0e1468fb55e47546c931bfc39", kill_on_drop: false }`
[INFO] [stdout] 2b5c1cb18d596b457fcb0cc36516c55308c6dfb0e1468fb55e47546c931bfc39
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4a660e02ecf3275ba2980fdc4e1efe24c59d5fc9c671399ed5f0b63649cf5b55
[INFO] running `Command { std: "docker" "start" "-a" "4a660e02ecf3275ba2980fdc4e1efe24c59d5fc9c671399ed5f0b63649cf5b55", kill_on_drop: false }`
[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]    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 `test` profile [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `Command { std: "docker" "inspect" "4a660e02ecf3275ba2980fdc4e1efe24c59d5fc9c671399ed5f0b63649cf5b55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a660e02ecf3275ba2980fdc4e1efe24c59d5fc9c671399ed5f0b63649cf5b55", kill_on_drop: false }`
[INFO] [stdout] 4a660e02ecf3275ba2980fdc4e1efe24c59d5fc9c671399ed5f0b63649cf5b55
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] eb30ec0333c51a75c46603a9eba7cb2f73ca6fe772ff14f5b302a4860aeb8c0f
[INFO] running `Command { std: "docker" "start" "-a" "eb30ec0333c51a75c46603a9eba7cb2f73ca6fe772ff14f5b302a4860aeb8c0f", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:270:22
[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 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/pop3_mail_client-411373f2168d8779)
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[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_unknown_result ... ok
[INFO] [stdout] test responses::tests::test_item_response_try_from ... ok
[INFO] [stdout] test responses::tests::test_item_response_try_from_fails_for_response_with_no_spaces ... ok
[INFO] [stdout] test reader::tests::test_read_response_ok_result ... ok
[INFO] [stdout] test responses::tests::test_item_response_try_from_fails_for_response_without_numbers ... ok
[INFO] [stdout] test responses::tests::test_list_response_try_from ... 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_ending_period ... 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 reader::tests::test_read_multi_response_ok_result_with_carriage_return ... ok
[INFO] [stdout] test reader::tests::test_read_response_err_result ... ok
[INFO] [stderr]    Doc-tests pop3_mail_client
[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] [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" "eb30ec0333c51a75c46603a9eba7cb2f73ca6fe772ff14f5b302a4860aeb8c0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb30ec0333c51a75c46603a9eba7cb2f73ca6fe772ff14f5b302a4860aeb8c0f", kill_on_drop: false }`
[INFO] [stdout] eb30ec0333c51a75c46603a9eba7cb2f73ca6fe772ff14f5b302a4860aeb8c0f