[INFO] cloning repository https://github.com/xchg-rax-rax/pop3_client_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_client_lib" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxchg-rax-rax%2Fpop3_client_lib", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxchg-rax-rax%2Fpop3_client_lib'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3878d0c207171427ee0deef75f29562f21a3009d
[INFO] checking xchg-rax-rax/pop3_client_lib against master#642c19bfc3a5c1de985bf5d0cc8207ac9d22708a for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxchg-rax-rax%2Fpop3_client_lib" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/xchg-rax-rax/pop3_client_lib
[INFO] finished tweaking git repo https://github.com/xchg-rax-rax/pop3_client_lib
[INFO] tweaked toml for git repo https://github.com/xchg-rax-rax/pop3_client_lib written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/xchg-rax-rax/pop3_client_lib on toolchain 642c19bfc3a5c1de985bf5d0cc8207ac9d22708a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/xchg-rax-rax/pop3_client_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" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 057248bbd861ec0affe53e07fd06bfba03f85c2694615d1fa1be891b9da5a07f
[INFO] running `Command { std: "docker" "start" "-a" "057248bbd861ec0affe53e07fd06bfba03f85c2694615d1fa1be891b9da5a07f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "057248bbd861ec0affe53e07fd06bfba03f85c2694615d1fa1be891b9da5a07f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "057248bbd861ec0affe53e07fd06bfba03f85c2694615d1fa1be891b9da5a07f", kill_on_drop: false }`
[INFO] [stdout] 057248bbd861ec0affe53e07fd06bfba03f85c2694615d1fa1be891b9da5a07f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e60e925b3f6a2da57db19d6809e3605efa12db90a982af9a7173351dfc72f82
[INFO] running `Command { std: "docker" "start" "-a" "4e60e925b3f6a2da57db19d6809e3605efa12db90a982af9a7173351dfc72f82", kill_on_drop: false }`
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking regex-syntax v0.8.5
[INFO] [stderr]     Checking md5 v0.7.0
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]     Checking pop3_client_lib v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `headers` and `body` are never read
[INFO] [stdout]   --> src/lib.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct Message {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 10 |     headers: HashMap<String, String>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 11 |     body: Vec<String>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/lib.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct MessageInfo {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 16 |     maildrop_number: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 17 |     size: u32,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 18 |     origination_date: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 19 |     from: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 20 |     to: Option<String>,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 21 |     cc: Option<String>,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 22 |     bcc: Option<String>,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 23 |     subject: Option<String>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `noop` and `uidl` are never used
[INFO] [stdout]     --> src/lib.rs:937:8
[INFO] [stdout]      |
[INFO] [stdout]  826 | impl POP3ClientSessionAPI {
[INFO] [stdout]      | ------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  937 |     fn noop(&mut self) -> Result<(bool, String), String> {
[INFO] [stdout]      |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1039 |     fn uidl(&mut self, message_number: Option<u32>) -> Result<(bool, String), String> {
[INFO] [stdout]      |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `headers` and `body` are never read
[INFO] [stdout]   --> src/lib.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct Message {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 10 |     headers: HashMap<String, String>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 11 |     body: Vec<String>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/lib.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct MessageInfo {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 16 |     maildrop_number: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 17 |     size: u32,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 18 |     origination_date: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 19 |     from: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 20 |     to: Option<String>,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 21 |     cc: Option<String>,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 22 |     bcc: Option<String>,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 23 |     subject: Option<String>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `noop` and `uidl` are never used
[INFO] [stdout]     --> src/lib.rs:937:8
[INFO] [stdout]      |
[INFO] [stdout]  826 | impl POP3ClientSessionAPI {
[INFO] [stdout]      | ------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  937 |     fn noop(&mut self) -> Result<(bool, String), String> {
[INFO] [stdout]      |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1039 |     fn uidl(&mut self, message_number: Option<u32>) -> Result<(bool, String), String> {
[INFO] [stdout]      |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.46s
[INFO] running `Command { std: "docker" "inspect" "4e60e925b3f6a2da57db19d6809e3605efa12db90a982af9a7173351dfc72f82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e60e925b3f6a2da57db19d6809e3605efa12db90a982af9a7173351dfc72f82", kill_on_drop: false }`
[INFO] [stdout] 4e60e925b3f6a2da57db19d6809e3605efa12db90a982af9a7173351dfc72f82
