[INFO] fetching crate rustygear 0.8.0...
[INFO] checking rustygear-0.8.0 against try#9cfe725f0995b018340c519db1b2f3cf8a7e0631 for pr-81174
[INFO] extracting crate rustygear 0.8.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate rustygear 0.8.0 on toolchain 9cfe725f0995b018340c519db1b2f3cf8a7e0631
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rustygear 0.8.0
[INFO] finished tweaking crates.io crate rustygear 0.8.0
[INFO] tweaked toml for crates.io crate rustygear 0.8.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate rustygear 0.8.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded winapi-util v0.1.1
[INFO] [stderr]   Downloaded wincolor v1.0.1
[INFO] [stderr]   Downloaded termcolor v1.0.4
[INFO] [stderr]   Downloaded hermit-abi v0.1.12
[INFO] [stderr]   Downloaded aho-corasick v0.6.9
[INFO] [stderr]   Downloaded utf8-ranges v1.0.2
[INFO] [stderr]   Downloaded atty v0.2.11
[INFO] [stderr]   Downloaded regex-syntax v0.6.4
[INFO] [stderr]   Downloaded redox_syscall v0.1.43
[INFO] [stderr]   Downloaded quick-error v1.2.2
[INFO] [stderr]   Downloaded quote v1.0.4
[INFO] [stderr]   Downloaded ucd-util v0.1.3
[INFO] [stderr]   Downloaded tokio v0.2.20
[INFO] [stderr]   Downloaded regex v1.1.0
[INFO] [stderr]   Downloaded lazy_static v1.2.0
[INFO] running `Command { std: "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" "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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3ab35cfe071824803859d863e892a961d0f646c0afa2afbde5fe620e6c5f2236
[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" "3ab35cfe071824803859d863e892a961d0f646c0afa2afbde5fe620e6c5f2236", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ab35cfe071824803859d863e892a961d0f646c0afa2afbde5fe620e6c5f2236", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ab35cfe071824803859d863e892a961d0f646c0afa2afbde5fe620e6c5f2236", kill_on_drop: false }`
[INFO] [stdout] 3ab35cfe071824803859d863e892a961d0f646c0afa2afbde5fe620e6c5f2236
[INFO] running `Command { std: "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" "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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a2ea155d0d15840cf258a571cd0ef68fac5446baae62e71ec7f34a7a869f680e
[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" "a2ea155d0d15840cf258a571cd0ef68fac5446baae62e71ec7f34a7a869f680e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking futures-sink v0.3.4
[INFO] [stderr]    Compiling proc-macro-nested v0.1.4
[INFO] [stderr]     Checking arc-swap v0.4.6
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking md5 v0.3.8
[INFO] [stderr]     Checking termcolor v1.0.4
[INFO] [stderr]     Checking regex-syntax v0.6.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]     Checking futures-channel v0.3.4
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking hash_ring v0.1.7
[INFO] [stderr]    Compiling quote v1.0.4
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking regex v1.1.0
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]     Checking tokio v0.2.20
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking futures-executor v0.3.4
[INFO] [stderr]     Checking futures v0.3.4
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking rustygear v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.16s
[INFO] running `Command { std: "docker" "inspect" "a2ea155d0d15840cf258a571cd0ef68fac5446baae62e71ec7f34a7a869f680e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2ea155d0d15840cf258a571cd0ef68fac5446baae62e71ec7f34a7a869f680e", kill_on_drop: false }`
[INFO] [stdout] a2ea155d0d15840cf258a571cd0ef68fac5446baae62e71ec7f34a7a869f680e