[INFO] crate qbsdiff 1.2.1 is already in cache
[INFO] checking qbsdiff-1.2.1 against try#f149601db42efe10ece8b284ab681fd4a6fcb89c for pr-68766
[INFO] extracting crate qbsdiff 1.2.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate qbsdiff 1.2.1 on toolchain f149601db42efe10ece8b284ab681fd4a6fcb89c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate qbsdiff 1.2.1
[INFO] finished tweaking crates.io crate qbsdiff 1.2.1
[INFO] tweaked toml for crates.io crate qbsdiff 1.2.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate qbsdiff 1.2.1 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[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" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "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] 2b1c58eeb314a5f3d93d04f7585ac3bdd35ad1d539cb43bd68f63a96f29f2c6a
[INFO] running `"docker" "start" "-a" "2b1c58eeb314a5f3d93d04f7585ac3bdd35ad1d539cb43bd68f63a96f29f2c6a"`
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]     Checking crossbeam-utils v0.6.5
[INFO] [stderr]    Compiling bzip2-sys v0.1.7
[INFO] [stderr]     Checking walkdir v2.2.8
[INFO] [stderr]     Checking getrandom v0.1.12
[INFO] [stderr]     Checking num_cpus v1.10.1
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking tinytemplate v1.0.2
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking crossbeam-channel v0.3.8
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand_xoshiro v0.3.1
[INFO] [stderr]     Checking rand_os v0.2.2
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking bstr v0.2.1
[INFO] [stderr]     Checking aho-corasick v0.7.4
[INFO] [stderr]     Checking csv-core v0.1.6
[INFO] [stderr]     Checking bzip2 v0.3.3
[INFO] [stderr]     Checking rayon-core v1.6.0
[INFO] [stderr]     Checking rayon v1.2.0
[INFO] [stderr]     Checking regex v1.1.7
[INFO] [stderr]     Checking csv v1.1.1
[INFO] [stderr]     Checking globset v0.4.4
[INFO] [stderr]     Checking ignore v0.4.7
[INFO] [stderr]     Checking suffix_array v0.4.0
[INFO] [stderr]     Checking criterion v0.3.0
[INFO] [stderr]     Checking globwalk v0.7.1
[INFO] [stderr]     Checking qbsdiff v1.2.0
[INFO] [stderr]     Checking qbsdiff v1.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking qbsdiff_test_bench_utils v0.1.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.33s
[INFO] running `"docker" "inspect" "2b1c58eeb314a5f3d93d04f7585ac3bdd35ad1d539cb43bd68f63a96f29f2c6a"`
[INFO] running `"docker" "rm" "-f" "2b1c58eeb314a5f3d93d04f7585ac3bdd35ad1d539cb43bd68f63a96f29f2c6a"`
[INFO] [stdout] 2b1c58eeb314a5f3d93d04f7585ac3bdd35ad1d539cb43bd68f63a96f29f2c6a