[INFO] fetching crate flate2 1.0.17...
[INFO] checking flate2-1.0.17 against master#cfbc6d4cf1acbac5c025acf8ed68929caa551df3 for pr-75494-beta
[INFO] extracting crate flate2 1.0.17 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate flate2 1.0.17 on toolchain cfbc6d4cf1acbac5c025acf8ed68929caa551df3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate flate2 1.0.17
[INFO] finished tweaking crates.io crate flate2 1.0.17
[INFO] tweaked toml for crates.io crate flate2 1.0.17 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate flate2 1.0.17 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cloudflare-zlib-sys v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 98e3bbd0a955472e0cc6b7bbdb94f1984b43bfb3574671bf3592873edb6d4bd3
[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" "98e3bbd0a955472e0cc6b7bbdb94f1984b43bfb3574671bf3592873edb6d4bd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "98e3bbd0a955472e0cc6b7bbdb94f1984b43bfb3574671bf3592873edb6d4bd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98e3bbd0a955472e0cc6b7bbdb94f1984b43bfb3574671bf3592873edb6d4bd3", kill_on_drop: false }`
[INFO] [stdout] 98e3bbd0a955472e0cc6b7bbdb94f1984b43bfb3574671bf3592873edb6d4bd3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] acf2e55575c4d04e0b33beac3256a2dee9d899b376cc837c63b9b44fb2f9a953
[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" "acf2e55575c4d04e0b33beac3256a2dee9d899b376cc837c63b9b44fb2f9a953", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking futures v0.1.29
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking miniz_oxide v0.4.0
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking flate2 v1.0.17 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]     Checking tokio-sync v0.1.8
[INFO] [stderr]     Checking tokio-executor v0.1.10
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking quickcheck v0.9.2
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.22s
[INFO] running `Command { std: "docker" "inspect" "acf2e55575c4d04e0b33beac3256a2dee9d899b376cc837c63b9b44fb2f9a953", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acf2e55575c4d04e0b33beac3256a2dee9d899b376cc837c63b9b44fb2f9a953", kill_on_drop: false }`
[INFO] [stdout] acf2e55575c4d04e0b33beac3256a2dee9d899b376cc837c63b9b44fb2f9a953
