[INFO] updating cached repository https://github.com/5225225/snapcd
[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] [stderr] From https://github.com/5225225/snapcd
[INFO] [stderr]    312cfe1..c4320cb  master     -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c4320cb33fbf689175298ac1ac71a6a5243dc904
[INFO] checking 5225225/snapcd against try#c846f8a7dc7af09647f397f047db9cc81acb60bd for pr-69129
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F5225225%2Fsnapcd" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/5225225/snapcd on toolchain c846f8a7dc7af09647f397f047db9cc81acb60bd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+c846f8a7dc7af09647f397f047db9cc81acb60bd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/5225225/snapcd
[INFO] finished tweaking git repo https://github.com/5225225/snapcd
[INFO] tweaked toml for git repo https://github.com/5225225/snapcd written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/5225225/snapcd already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+c846f8a7dc7af09647f397f047db9cc81acb60bd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded gearhash v0.1.2
[INFO] [stderr]   Downloaded blake3 v0.2.1
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+c846f8a7dc7af09647f397f047db9cc81acb60bd" "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] f9a0b5e421c73869204bb389a7f381ac9cc28d62554374ab5c5155c997aee73d
[INFO] running `"docker" "start" "-a" "f9a0b5e421c73869204bb389a7f381ac9cc28d62554374ab5c5155c997aee73d"`
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking gearhash v0.1.2
[INFO] [stderr]    Compiling libsqlite3-sys v0.17.1
[INFO] [stderr]     Checking bitvec v0.17.2
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking colored v1.9.2
[INFO] [stderr]    Compiling rustversion v1.0.2
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]     Checking parking_lot v0.10.0
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]     Checking bstr v0.2.11
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]     Checking serde_bytes v0.11.3
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking tinytemplate v1.0.3
[INFO] [stderr]     Checking criterion-plot v0.4.1
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]     Checking sled v0.31.0
[INFO] [stderr]     Checking term v0.6.1
[INFO] [stderr]     Checking rusqlite v0.21.0
[INFO] [stderr]     Checking simplelog v0.7.4
[INFO] [stderr]     Checking globset v0.4.4
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]    Compiling proc-macro-error v0.4.9
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.9
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling zstd-sys v1.4.15+zstd.1.4.4
[INFO] [stderr]    Compiling blake3 v0.2.1
[INFO] [stderr]     Checking backtrace v0.3.44
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking criterion v0.3.1
[INFO] [stderr]    Compiling structopt-derive v0.4.2
[INFO] [stderr]     Checking structopt v0.3.9
[INFO] [stderr]     Checking zstd-safe v2.0.3+zstd.1.4.4
[INFO] [stderr]     Checking zstd v0.5.1+zstd.1.4.4
[INFO] [stderr]     Checking snapcd v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/ds/sled.rs:18:9
[INFO] [stderr]    |
[INFO] [stderr] 18 |         self.commit();
[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: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/ds/sled.rs:18:9
[INFO] [stderr]    |
[INFO] [stderr] 18 |         self.commit();
[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: variable `sqliteDS` should have a snake case name
[INFO] [stderr]   --> tests/tests.rs:38:13
[INFO] [stderr]    |
[INFO] [stderr] 38 |     let mut sqliteDS = || SqliteDS::new(":memory:").unwrap();
[INFO] [stderr]    |             ^^^^^^^^ help: convert the identifier to snake case: `sqlite_ds`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `sledDS` should have a snake case name
[INFO] [stderr]   --> tests/tests.rs:39:13
[INFO] [stderr]    |
[INFO] [stderr] 39 |     let mut sledDS = || SledDS::new_tmp().unwrap();
[INFO] [stderr]    |             ^^^^^^ help: convert the identifier to snake case: `sled_ds`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 53s
[INFO] running `"docker" "inspect" "f9a0b5e421c73869204bb389a7f381ac9cc28d62554374ab5c5155c997aee73d"`
[INFO] running `"docker" "rm" "-f" "f9a0b5e421c73869204bb389a7f381ac9cc28d62554374ab5c5155c997aee73d"`
[INFO] [stdout] f9a0b5e421c73869204bb389a7f381ac9cc28d62554374ab5c5155c997aee73d