[INFO] fetching crate arrayref 0.3.6...
[INFO] checking arrayref-0.3.6 against try#b2f80f6008cdafc35b4472bd46afa16cc6b0cd63 for pr-79470
[INFO] extracting crate arrayref 0.3.6 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate arrayref 0.3.6 on toolchain b2f80f6008cdafc35b4472bd46afa16cc6b0cd63
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate arrayref 0.3.6
[INFO] finished tweaking crates.io crate arrayref 0.3.6
[INFO] tweaked toml for crates.io crate arrayref 0.3.6 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate arrayref 0.3.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c63bc416b459eef431f2ec4ed39fd04e0005cf0cd2cd670e8fe30c7fd7578589
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c63bc416b459eef431f2ec4ed39fd04e0005cf0cd2cd670e8fe30c7fd7578589", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c63bc416b459eef431f2ec4ed39fd04e0005cf0cd2cd670e8fe30c7fd7578589", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c63bc416b459eef431f2ec4ed39fd04e0005cf0cd2cd670e8fe30c7fd7578589", kill_on_drop: false }`
[INFO] [stdout] c63bc416b459eef431f2ec4ed39fd04e0005cf0cd2cd670e8fe30c7fd7578589
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c1e3c2a5c6c4d7e9f9829dfa7a85cabae0f5caa7fae9f06468d873b47ebc3380
[INFO] running `Command { std: "docker" "start" "-a" "c1e3c2a5c6c4d7e9f9829dfa7a85cabae0f5caa7fae9f06468d873b47ebc3380", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.1.4
[INFO] [stderr]     Checking libc v0.2.20
[INFO] [stderr]    Compiling regex v1.0.2
[INFO] [stderr]     Checking ucd-util v0.1.1
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking cfg-if v0.1.5
[INFO] [stderr]     Checking utf8-ranges v1.0.0
[INFO] [stderr]     Checking termcolor v1.0.1
[INFO] [stderr]     Checking arrayref v0.3.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking log v0.4.3
[INFO] [stderr]     Checking humantime v1.1.1
[INFO] [stderr]     Checking regex-syntax v0.6.2
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking rand v0.4.3
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]     Checking aho-corasick v0.6.6
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking env_logger v0.5.12
[INFO] [stderr]     Checking quickcheck v0.6.2
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.88s
[INFO] running `Command { std: "docker" "inspect" "c1e3c2a5c6c4d7e9f9829dfa7a85cabae0f5caa7fae9f06468d873b47ebc3380", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1e3c2a5c6c4d7e9f9829dfa7a85cabae0f5caa7fae9f06468d873b47ebc3380", kill_on_drop: false }`
[INFO] [stdout] c1e3c2a5c6c4d7e9f9829dfa7a85cabae0f5caa7fae9f06468d873b47ebc3380