[INFO] crate crev-lib 0.12.0 is already in cache
[INFO] checking crev-lib-0.12.0 against try#e922e6444795ab795fab1943288aee3d543699b8 for pr-66852
[INFO] extracting crate crev-lib 0.12.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate crev-lib 0.12.0 on toolchain e922e6444795ab795fab1943288aee3d543699b8
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e922e6444795ab795fab1943288aee3d543699b8" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate crev-lib 0.12.0
[INFO] finished tweaking crates.io crate crev-lib 0.12.0
[INFO] tweaked toml for crates.io crate crev-lib 0.12.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e922e6444795ab795fab1943288aee3d543699b8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e922e6444795ab795fab1943288aee3d543699b8" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+e922e6444795ab795fab1943288aee3d543699b8" "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] f7a0b4ff7b5653710456f5084b3235962a484db5d86d81d3573dbbab409445c0
[INFO] running `"docker" "start" "-a" "f7a0b4ff7b5653710456f5084b3235962a484db5d86d81d3573dbbab409445c0"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling subtle v2.2.2
[INFO] [stderr]     Checking rprompt v1.0.5
[INFO] [stderr]     Checking zeroize v0.5.2
[INFO] [stderr]     Checking default v0.1.2
[INFO] [stderr]     Checking resiter v0.3.0
[INFO] [stderr]     Checking insideout v0.2.0
[INFO] [stderr]    Compiling clear_on_drop v0.2.3
[INFO] [stderr]     Checking blake2b_simd v0.5.9
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rpassword v4.0.3
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking dbl v0.2.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking stream-cipher v0.3.2
[INFO] [stderr]    Compiling libgit2-sys v0.8.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]     Checking aes-soft v0.3.3
[INFO] [stderr]    Compiling typed-builder v0.3.0
[INFO] [stderr]     Checking serde_cbor v0.10.2
[INFO] [stderr]     Checking common_failures v0.1.1
[INFO] [stderr]     Checking blake2 v0.8.1
[INFO] [stderr]     Checking pmac v0.2.0
[INFO] [stderr]     Checking cmac v0.2.0
[INFO] [stderr]     Checking ctr v0.3.2
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking sha2 v0.8.0
[INFO] [stderr]     Checking aes v0.3.2
[INFO] [stderr]     Checking crev-common v0.12.0
[INFO] [stderr]     Checking crev-recursive-digest v0.2.1
[INFO] [stderr]     Checking miscreant v0.4.2
[INFO] [stderr]    Compiling curve25519-dalek v1.2.3
[INFO] [stderr]     Checking rust-argon2 v0.5.1
[INFO] [stderr]    Compiling ifmt-impl v0.2.0
[INFO] [stderr]     Checking ed25519-dalek v1.0.0-pre.2
[INFO] [stderr]     Checking crev-data v0.12.0
[INFO] [stderr]     Checking ifmt v0.2.0
[INFO] [stderr]     Checking git2 v0.9.2
[INFO] [stderr]     Checking crev-lib v0.12.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused return value of `std::path::Path::join` that must be used
[INFO] [stderr]    --> src/repo/mod.rs:157:9
[INFO] [stderr]     |
[INFO] [stderr] 157 |         PathBuf::from("proofs").join(crate::proof::rel_package_path(&proof, &[]));
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::path::Path::join` that must be used
[INFO] [stderr]    --> src/repo/mod.rs:157:9
[INFO] [stderr]     |
[INFO] [stderr] 157 |         PathBuf::from("proofs").join(crate::proof::rel_package_path(&proof, &[]));
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 00s
[INFO] running `"docker" "inspect" "f7a0b4ff7b5653710456f5084b3235962a484db5d86d81d3573dbbab409445c0"`
[INFO] running `"docker" "rm" "-f" "f7a0b4ff7b5653710456f5084b3235962a484db5d86d81d3573dbbab409445c0"`
[INFO] [stdout] f7a0b4ff7b5653710456f5084b3235962a484db5d86d81d3573dbbab409445c0