[INFO] fetching crate schemeguardian 0.1.0-alpha.1...
[INFO] checking schemeguardian-0.1.0-alpha.1 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] extracting crate schemeguardian 0.1.0-alpha.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate schemeguardian 0.1.0-alpha.1 on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate schemeguardian 0.1.0-alpha.1
[INFO] finished tweaking crates.io crate schemeguardian 0.1.0-alpha.1
[INFO] tweaked toml for crates.io crate schemeguardian 0.1.0-alpha.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate schemeguardian 0.1.0-alpha.1 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 276cbfcaf1243a8a901c0b8d9863d76d9ad2326783f070cb9db6fce1d44ad2f1
[INFO] running `"docker" "start" "-a" "276cbfcaf1243a8a901c0b8d9863d76d9ad2326783f070cb9db6fce1d44ad2f1"`
[INFO] [stderr]     Checking subtle v2.1.0
[INFO] [stderr]     Checking historian v4.0.3
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking blake2b_simd v0.5.6
[INFO] [stderr]     Checking backtrace v0.3.33
[INFO] [stderr]    Compiling zeroize_derive v0.9.3
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking bincode v1.1.4
[INFO] [stderr]     Checking chrono v0.4.7
[INFO] [stderr]     Checking serde_bytes v0.11.1
[INFO] [stderr]     Checking toml v0.5.1
[INFO] [stderr]     Checking custom_codes v1.0.3
[INFO] [stderr]     Checking rand v0.7.0
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]     Checking crossbeam-epoch v0.6.1
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking crossbeam-deque v0.6.3
[INFO] [stderr]     Checking pagecache v0.19.0
[INFO] [stderr]     Checking rusty_ulid v0.9.0
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking zeroize v0.9.3
[INFO] [stderr]     Checking orion v0.14.2
[INFO] [stderr]     Checking secrecy v0.2.2
[INFO] [stderr]     Checking crossbeam v0.5.0
[INFO] [stderr]     Checking rust-argon2 v0.5.0
[INFO] [stderr]     Checking branca v0.9.0
[INFO] [stderr]     Checking sled v0.26.0
[INFO] [stderr]     Checking schemeguardian v0.1.0-alpha.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: value passed to `self` is never read
[INFO] [stderr]   --> src/sg_statics/keys.rs:31:24
[INFO] [stderr]    |
[INFO] [stderr] 31 |     pub fn secrets(mut self) -> Secret<SgTomlSecrets> {
[INFO] [stderr]    |                        ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value passed to `self` is never read
[INFO] [stderr]   --> src/sg_statics/keys.rs:31:24
[INFO] [stderr]    |
[INFO] [stderr] 31 |     pub fn secrets(mut self) -> Secret<SgTomlSecrets> {
[INFO] [stderr]    |                        ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.15s
[INFO] running `"docker" "inspect" "276cbfcaf1243a8a901c0b8d9863d76d9ad2326783f070cb9db6fce1d44ad2f1"`
[INFO] running `"docker" "rm" "-f" "276cbfcaf1243a8a901c0b8d9863d76d9ad2326783f070cb9db6fce1d44ad2f1"`
[INFO] [stdout] 276cbfcaf1243a8a901c0b8d9863d76d9ad2326783f070cb9db6fce1d44ad2f1