[INFO] updating cached repository https://github.com/maufl/notrust
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0efd1b04bf2b4428e8ec652d655b0ec33a9c7579
[INFO] checking maufl/notrust against try#d7b51666469c792a8a3f40849607739bae1e705e for pr-71665
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaufl%2Fnotrust" "/workspace/builds/worker-8/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/maufl/notrust on toolchain d7b51666469c792a8a3f40849607739bae1e705e
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/maufl/notrust
[INFO] finished tweaking git repo https://github.com/maufl/notrust
[INFO] tweaked toml for git repo https://github.com/maufl/notrust written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/maufl/notrust already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 135a2a0dba7b592714fe78d0c983fce2c58ed598c7ab3f0543fce99a487ab9c2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "135a2a0dba7b592714fe78d0c983fce2c58ed598c7ab3f0543fce99a487ab9c2"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking smallvec v0.6.12
[INFO] [stderr]    Compiling log v0.4.8
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[INFO] [stderr]    Compiling syn v1.0.7
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking typeable v0.1.2
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]     Checking traitobject v0.0.1
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[INFO] [stderr]    Compiling cc v1.0.46
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling serde v1.0.102
[INFO] [stderr]    Compiling nix v0.14.1
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[INFO] [stderr]     Checking slab v0.4.2
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[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking downcast-rs v1.1.1
[INFO] [stderr]     Checking unicode-bidi v0.3.4
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[INFO] [stderr]     Checking itertools v0.8.1
[INFO] [stderr]     Checking rand_core v0.3.1
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[INFO] [stderr]     Checking unicode-normalization v0.1.9
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[INFO] [stderr]     Checking walkdir v2.2.9
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]     Checking encoding_rs v0.8.20
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]     Checking lock_api v0.1.5
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[INFO] [stderr]     Checking num_cpus v0.2.13
[INFO] [stderr]     Checking getrandom v0.1.13
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking inotify-sys v0.1.3
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[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]    Compiling memoffset v0.5.2
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]     Checking scoped-pool v1.0.0
[INFO] [stderr]     Checking bitpacking v0.8.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking crossbeam-epoch v0.6.1
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking plugin v0.2.6
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking inotify v0.6.1
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking fst v0.3.5
[INFO] [stderr]     Checking murmurhash32 v0.2.0
[INFO] [stderr]     Checking snap v0.2.5
[INFO] [stderr]     Checking combine v3.8.1
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking hpack v0.2.0
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking conduit-mime-types v0.7.3
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking solicit v0.4.4
[INFO] [stderr]     Checking mio-extras v2.0.5
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking levenshtein_automata v0.1.1
[INFO] [stderr]     Checking charset v0.1.2
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking crossbeam-deque v0.6.3
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking once_cell v0.2.4
[INFO] [stderr]     Checking notify v4.0.14
[INFO] [stderr]     Checking mailparse v0.8.2
[INFO] [stderr]     Checking tantivy-fst v0.1.0
[INFO] [stderr]     Checking crossbeam v0.5.0
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking backtrace v0.3.40
[INFO] [stderr]     Checking serde_json v0.8.6
[INFO] [stderr]     Checking cookie v0.2.5
[INFO] [stderr]     Checking hyper v0.9.18
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]     Checking fail v0.3.0
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking iron v0.4.0
[INFO] [stderr]     Checking atomicwrites v0.2.5
[INFO] [stderr]     Checking maildir v0.3.1
[INFO] [stderr]     Checking persistent v0.2.1
[INFO] [stderr]     Checking mount v0.2.1
[INFO] [stderr]     Checking serde_json v1.0.41
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking staticfile v0.3.1
[INFO] [stderr]     Checking bodyparser v0.4.1
[INFO] [stderr]     Checking urlencoded v0.4.1
[INFO] [stderr]    Compiling synstructure v0.12.1
[INFO] [stderr]    Compiling rental-impl v0.5.5
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling serde_derive v1.0.102
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking rust-stemmers v1.1.0
[INFO] [stderr]     Checking rental v0.5.5
[INFO] [stderr]     Checking owned-read v0.4.0
[INFO] [stderr]     Checking tantivy v0.10.2
[INFO] [stderr]     Checking mailindexer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `MailHeader`
[INFO] [stderr]  --> src/index.rs:3:29
[INFO] [stderr]   |
[INFO] [stderr] 3 | use mailparse::{ParsedMail, MailHeader};
[INFO] [stderr]   |                             ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `MailHeader`
[INFO] [stderr]  --> src/index.rs:3:29
[INFO] [stderr]   |
[INFO] [stderr] 3 | use mailparse::{ParsedMail, MailHeader};
[INFO] [stderr]   |                             ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `req`
[INFO] [stderr]    --> src/serve.rs:197:23
[INFO] [stderr]     |
[INFO] [stderr] 197 |     mount.mount("/", |req: &mut Request| {
[INFO] [stderr]     |                       ^^^ help: if this is intentional, prefix it with an underscore: `_req`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:13:45
[INFO] [stderr]    |
[INFO] [stderr] 13 |         ("serve", Some(serve_matches)) => { serve::run_serve_cli(serve_matches); },
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `req`
[INFO] [stderr]    --> src/serve.rs:197:23
[INFO] [stderr]     |
[INFO] [stderr] 197 |     mount.mount("/", |req: &mut Request| {
[INFO] [stderr]     |                       ^^^ help: if this is intentional, prefix it with an underscore: `_req`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:13:45
[INFO] [stderr]    |
[INFO] [stderr] 13 |         ("serve", Some(serve_matches)) => { serve::run_serve_cli(serve_matches); },
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 54s
[INFO] running `"docker" "inspect" "135a2a0dba7b592714fe78d0c983fce2c58ed598c7ab3f0543fce99a487ab9c2"`
[INFO] running `"docker" "rm" "-f" "135a2a0dba7b592714fe78d0c983fce2c58ed598c7ab3f0543fce99a487ab9c2"`
[INFO] [stdout] 135a2a0dba7b592714fe78d0c983fce2c58ed598c7ab3f0543fce99a487ab9c2