[INFO] crate acid-store 0.4.0 is already in cache
[INFO] checking acid-store-0.4.0 against master#6d69caba110c0c2fb90180df1cbc8be5033b91d4 for pr-69530
[INFO] extracting crate acid-store 0.4.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate acid-store 0.4.0 on toolchain 6d69caba110c0c2fb90180df1cbc8be5033b91d4
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6d69caba110c0c2fb90180df1cbc8be5033b91d4" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate acid-store 0.4.0
[INFO] finished tweaking crates.io crate acid-store 0.4.0
[INFO] tweaked toml for crates.io crate acid-store 0.4.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6d69caba110c0c2fb90180df1cbc8be5033b91d4" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6d69caba110c0c2fb90180df1cbc8be5033b91d4" "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" "+6d69caba110c0c2fb90180df1cbc8be5033b91d4" "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] 6953ef59c5a01db9582978b039bb01ca921a83382102ad7e1597317bf02fb886
[INFO] running `"docker" "start" "-a" "6953ef59c5a01db9582978b039bb01ca921a83382102ad7e1597317bf02fb886"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking keccak v0.1.0
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]     Checking weak-table v0.2.3
[INFO] [stderr]     Checking cdchunking v1.0.0
[INFO] [stderr]     Checking path-slash v0.1.1
[INFO] [stderr]     Checking bytesize v1.0.0
[INFO] [stderr]     Checking dotenv v0.15.0
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking rmp v0.8.9
[INFO] [stderr]     Checking plotters v0.2.13
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.16
[INFO] [stderr]    Compiling serial_test_derive v0.3.2
[INFO] [stderr]    Compiling zeroize_derive v1.0.0
[INFO] [stderr]     Checking sha2 v0.8.1
[INFO] [stderr]     Checking blake2 v0.8.1
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking sha3 v0.8.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rmp-serde v0.14.3
[INFO] [stderr]     Checking bstr v0.2.12
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking criterion-plot v0.4.2
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking serial_test v0.3.2
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking zeroize v1.1.0
[INFO] [stderr]     Checking regex v1.3.7
[INFO] [stderr]     Checking thiserror v1.0.16
[INFO] [stderr]     Checking acid-store v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking criterion v0.3.2
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/repo/object/compression.rs:89:13
[INFO] [stderr]    |
[INFO] [stderr] 89 |             _ => panic!("Unsupported compression method."),
[INFO] [stderr]    |             ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/repo/object/compression.rs:118:13
[INFO] [stderr]     |
[INFO] [stderr] 118 |             _ => panic!("Unsupported compression method."),
[INFO] [stderr]     |             ^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/repo/object/encryption.rs:93:13
[INFO] [stderr]    |
[INFO] [stderr] 93 |             _ => panic!("Unsupported encryption method."),
[INFO] [stderr]    |             ^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/repo/object/encryption.rs:108:13
[INFO] [stderr]     |
[INFO] [stderr] 108 |             _ => panic!("Unsupported encryption method."),
[INFO] [stderr]     |             ^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/repo/object/encryption.rs:120:13
[INFO] [stderr]     |
[INFO] [stderr] 120 |             _ => panic!("Unsupported encryption method."),
[INFO] [stderr]     |             ^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key`
[INFO] [stderr]   --> src/repo/object/encryption.rs:81:52
[INFO] [stderr]    |
[INFO] [stderr] 81 |     pub(super) fn encrypt(&self, cleartext: &[u8], key: &EncryptionKey) -> Vec<u8> {
[INFO] [stderr]    |                                                    ^^^ help: consider prefixing with an underscore: `_key`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key`
[INFO] [stderr]   --> src/repo/object/encryption.rs:98:53
[INFO] [stderr]    |
[INFO] [stderr] 98 |     pub(super) fn decrypt(&self, ciphertext: &[u8], key: &EncryptionKey) -> crate::Result<Vec<u8>> {
[INFO] [stderr]    |                                                     ^^^ help: consider prefixing with an underscore: `_key`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Rng`
[INFO] [stderr]   --> benches/io.rs:22:12
[INFO] [stderr]    |
[INFO] [stderr] 22 | use rand::{Rng, RngCore, SeedableRng};
[INFO] [stderr]    |            ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/repo/object/compression.rs:89:13
[INFO] [stderr]    |
[INFO] [stderr] 89 |             _ => panic!("Unsupported compression method."),
[INFO] [stderr]    |             ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/repo/object/compression.rs:118:13
[INFO] [stderr]     |
[INFO] [stderr] 118 |             _ => panic!("Unsupported compression method."),
[INFO] [stderr]     |             ^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/repo/object/encryption.rs:93:13
[INFO] [stderr]    |
[INFO] [stderr] 93 |             _ => panic!("Unsupported encryption method."),
[INFO] [stderr]    |             ^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/repo/object/encryption.rs:108:13
[INFO] [stderr]     |
[INFO] [stderr] 108 |             _ => panic!("Unsupported encryption method."),
[INFO] [stderr]     |             ^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/repo/object/encryption.rs:120:13
[INFO] [stderr]     |
[INFO] [stderr] 120 |             _ => panic!("Unsupported encryption method."),
[INFO] [stderr]     |             ^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key`
[INFO] [stderr]   --> src/repo/object/encryption.rs:81:52
[INFO] [stderr]    |
[INFO] [stderr] 81 |     pub(super) fn encrypt(&self, cleartext: &[u8], key: &EncryptionKey) -> Vec<u8> {
[INFO] [stderr]    |                                                    ^^^ help: consider prefixing with an underscore: `_key`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key`
[INFO] [stderr]   --> src/repo/object/encryption.rs:98:53
[INFO] [stderr]    |
[INFO] [stderr] 98 |     pub(super) fn decrypt(&self, ciphertext: &[u8], key: &EncryptionKey) -> crate::Result<Vec<u8>> {
[INFO] [stderr]    |                                                     ^^^ help: consider prefixing with an underscore: `_key`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.85s
[INFO] running `"docker" "inspect" "6953ef59c5a01db9582978b039bb01ca921a83382102ad7e1597317bf02fb886"`
[INFO] running `"docker" "rm" "-f" "6953ef59c5a01db9582978b039bb01ca921a83382102ad7e1597317bf02fb886"`
[INFO] [stdout] 6953ef59c5a01db9582978b039bb01ca921a83382102ad7e1597317bf02fb886