[INFO] cloning repository https://github.com/xchg-rax-rax/pop3_server_lib
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xchg-rax-rax/pop3_server_lib" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxchg-rax-rax%2Fpop3_server_lib", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxchg-rax-rax%2Fpop3_server_lib'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 539a4dab9b4cd50f8a2921a2efdef2787f15fefb
[INFO] checking xchg-rax-rax/pop3_server_lib against 1.94.0 for beta-1.95-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxchg-rax-rax%2Fpop3_server_lib" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/xchg-rax-rax/pop3_server_lib
[INFO] finished tweaking git repo https://github.com/xchg-rax-rax/pop3_server_lib
[INFO] tweaked toml for git repo https://github.com/xchg-rax-rax/pop3_server_lib written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/xchg-rax-rax/pop3_server_lib on toolchain 1.94.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.94.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/xchg-rax-rax/pop3_server_lib 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" "+1.94.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded indexmap v1.8.2
[INFO] [stderr]   Downloaded gzip-header v1.0.0
[INFO] [stderr]   Downloaded humantime-serde v1.1.1
[INFO] [stderr]   Downloaded coveralls-api v0.6.0
[INFO] [stderr]   Downloaded llvm_profparser v0.7.1
[INFO] [stderr]   Downloaded deflate v1.0.0
[INFO] [stderr]   Downloaded ruzstd v0.7.3
[INFO] [stderr]   Downloaded git2 v0.20.0
[INFO] [stderr]   Downloaded procfs v0.17.0
[INFO] [stderr]   Downloaded object v0.26.2
[INFO] [stderr]   Downloaded cargo-tarpaulin v0.32.0
[INFO] [stderr]   Downloaded libz-sys v1.1.21
[INFO] [stderr]   Downloaded libgit2-sys v0.18.0+1.9.0
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.94.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 403c64acc5a68a46a2ef85bed5b43b24ad3db9d3983d8e07cf634b895511f2f5
[INFO] running `Command { std: "docker" "start" "-a" "403c64acc5a68a46a2ef85bed5b43b24ad3db9d3983d8e07cf634b895511f2f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "403c64acc5a68a46a2ef85bed5b43b24ad3db9d3983d8e07cf634b895511f2f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "403c64acc5a68a46a2ef85bed5b43b24ad3db9d3983d8e07cf634b895511f2f5", kill_on_drop: false }`
[INFO] [stdout] 403c64acc5a68a46a2ef85bed5b43b24ad3db9d3983d8e07cf634b895511f2f5
[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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.94.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 146ccc6bd9cf74fd3617fbeabd81ae661dd8d936650da9e4bcee400e4cdb7b4d
[INFO] running `Command { std: "docker" "start" "-a" "146ccc6bd9cf74fd3617fbeabd81ae661dd8d936650da9e4bcee400e4cdb7b4d", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.16
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking bitflags v2.8.0
[INFO] [stderr]     Checking tracing-core v0.1.33
[INFO] [stderr]     Checking smallvec v1.14.0
[INFO] [stderr]     Checking indexmap v2.7.1
[INFO] [stderr]     Checking log v0.4.25
[INFO] [stderr]     Checking http v0.2.12
[INFO] [stderr]    Compiling native-tls v0.2.13
[INFO] [stderr]    Compiling httparse v1.10.0
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking miniz_oxide v0.8.4
[INFO] [stderr]    Compiling semver v1.0.25
[INFO] [stderr]    Compiling mime_guess v2.0.5
[INFO] [stderr]    Compiling serde_json v1.0.138
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]     Checking chrono v0.4.39
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]    Compiling indexmap v1.8.2
[INFO] [stderr]     Checking md5 v0.7.0
[INFO] [stderr]     Checking unicase v2.8.1
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling nix v0.29.0
[INFO] [stderr]    Compiling anyhow v1.0.95
[INFO] [stderr]     Checking http-body v0.4.6
[INFO] [stderr]     Checking flate2 v1.0.35
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]     Checking twox-hash v1.6.3
[INFO] [stderr]     Checking gzip-header v1.0.0
[INFO] [stderr]     Checking winnow v0.7.2
[INFO] [stderr]    Compiling llvm_profparser v0.7.1
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling jobserver v0.1.32
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]    Compiling object v0.36.7
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]     Checking linux-raw-sys v0.4.15
[INFO] [stderr]    Compiling procfs v0.17.0
[INFO] [stderr]    Compiling cargo-tarpaulin v0.32.0
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking ruzstd v0.7.3
[INFO] [stderr]     Checking deflate v1.0.0
[INFO] [stderr]     Checking object v0.26.2
[INFO] [stderr]    Compiling cc v1.2.14
[INFO] [stderr]     Checking clap_builder v4.5.29
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking thread_local v1.1.8
[INFO] [stderr]     Checking fallible-iterator v0.3.0
[INFO] [stderr]     Checking leb128 v0.2.5
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]     Checking procfs-core v0.17.0
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking quick-xml v0.37.2
[INFO] [stderr]     Checking gimli v0.31.1
[INFO] [stderr]     Checking pop3_server_lib v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:47:25
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn new_session (&self) -> Result<POP3ServerSession, String> {
[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] 47 |     pub fn new_session (&self) -> Result<POP3ServerSession<'_>, String> {
[INFO] [stdout]    |                                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking socket2 v0.5.8
[INFO] [stderr]     Checking mio v1.0.3
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]    Compiling openssl-sys v0.9.106
[INFO] [stderr]    Compiling libz-sys v1.1.21
[INFO] [stderr]    Compiling libssh2-sys v0.3.1
[INFO] [stderr]    Compiling libgit2-sys v0.18.0+1.9.0
[INFO] [stderr]     Checking tokio v1.43.0
[INFO] [stderr]    Compiling openssl v0.10.71
[INFO] [stderr] error: could not compile `syn` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.94.0-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.98/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="fold"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="visit"' --cfg 'feature="visit-mut"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "test", "visit", "visit-mut"))' -C metadata=3c0c7b2703aec296 -C extra-filename=-b021fe7f1a2ecef0 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-4a8763c300d71ecc.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-5899de8bdc8e8bf6.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-d205cec0899e5264.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "146ccc6bd9cf74fd3617fbeabd81ae661dd8d936650da9e4bcee400e4cdb7b4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "146ccc6bd9cf74fd3617fbeabd81ae661dd8d936650da9e4bcee400e4cdb7b4d", kill_on_drop: false }`
[INFO] [stdout] 146ccc6bd9cf74fd3617fbeabd81ae661dd8d936650da9e4bcee400e4cdb7b4d
