[INFO] cloning repository https://github.com/windmilleng/kubutton [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/windmilleng/kubutton" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwindmilleng%2Fkubutton", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwindmilleng%2Fkubutton'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e457cc4ab1da99ee2e87a54ca9831776fe6a66fc [INFO] checking windmilleng/kubutton against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwindmilleng%2Fkubutton" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/windmilleng/kubutton on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/windmilleng/kubutton [INFO] finished tweaking git repo https://github.com/windmilleng/kubutton [INFO] tweaked toml for git repo https://github.com/windmilleng/kubutton written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/windmilleng/kubutton already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded reqwest v0.9.16 [INFO] [stderr] Downloaded tokio v0.1.19 [INFO] [stderr] Downloaded libc v0.2.54 [INFO] [stderr] Downloaded syn v0.15.33 [INFO] [stderr] Downloaded backtrace v0.3.15 [INFO] [stderr] Downloaded nix v0.12.0 [INFO] [stderr] Downloaded hyper v0.12.28 [INFO] [stderr] Downloaded openssl v0.10.21 [INFO] [stderr] Downloaded cookie_store v0.5.1 [INFO] [stderr] Downloaded tempfile v3.0.7 [INFO] [stderr] Downloaded tokio-timer v0.2.10 [INFO] [stderr] Downloaded proc-macro2 v0.4.29 [INFO] [stderr] Downloaded cc v1.0.36 [INFO] [stderr] Downloaded h2 v0.1.18 [INFO] [stderr] Downloaded futures v0.1.26 [INFO] [stderr] Downloaded serialport v3.2.0 [INFO] [stderr] Downloaded openssl-sys v0.9.45 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 790b55b51e87c417943624e5b760354c1aaf59a7365e10454eb15f5e1e5ba10f [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" "790b55b51e87c417943624e5b760354c1aaf59a7365e10454eb15f5e1e5ba10f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "790b55b51e87c417943624e5b760354c1aaf59a7365e10454eb15f5e1e5ba10f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "790b55b51e87c417943624e5b760354c1aaf59a7365e10454eb15f5e1e5ba10f", kill_on_drop: false }` [INFO] [stdout] 790b55b51e87c417943624e5b760354c1aaf59a7365e10454eb15f5e1e5ba10f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "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] e5665cbb6eb1d643e8141f34b1ec40505f96a02432699cec5679387ea9a9267b [INFO] running `Command { std: "docker" "start" "-a" "e5665cbb6eb1d643e8141f34b1ec40505f96a02432699cec5679387ea9a9267b", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.54 [INFO] [stderr] Checking lazy_static v1.3.0 [INFO] [stderr] Checking rand_core v0.4.0 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Compiling proc-macro2 v0.4.29 [INFO] [stderr] Compiling arrayvec v0.4.10 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Checking fnv v1.0.6 [INFO] [stderr] Checking stable_deref_trait v1.1.1 [INFO] [stderr] Checking itoa v0.4.4 [INFO] [stderr] Compiling syn v0.15.33 [INFO] [stderr] Checking nodrop v0.1.13 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Checking lazycell v1.2.1 [INFO] [stderr] Checking rustc-demangle v0.1.14 [INFO] [stderr] Checking bitflags v1.0.4 [INFO] [stderr] Checking percent-encoding v1.0.1 [INFO] [stderr] Compiling build_const v0.2.1 [INFO] [stderr] Compiling regex v1.1.6 [INFO] [stderr] Compiling failure_derive v0.1.5 [INFO] [stderr] Compiling openssl v0.10.21 [INFO] [stderr] Compiling native-tls v0.2.3 [INFO] [stderr] Checking try-lock v0.2.2 [INFO] [stderr] Checking indexmap v1.0.2 [INFO] [stderr] Compiling encoding_rs v0.8.17 [INFO] [stderr] Checking openssl-probe v0.1.2 [INFO] [stderr] Checking dtoa v0.4.4 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking log v0.4.6 [INFO] [stderr] Compiling openssl-sys v0.9.45 [INFO] [stderr] Compiling backtrace v0.3.15 [INFO] [stderr] Compiling libudev-sys v0.1.4 [INFO] [stderr] Compiling miniz_oxide_c_api v0.2.1 [INFO] [stderr] Checking try_from v0.3.2 [INFO] [stderr] Checking unicode-bidi v0.3.4 [INFO] [stderr] Checking owning_ref v0.4.0 [INFO] [stderr] Checking crossbeam-utils v0.6.5 [INFO] [stderr] Checking tokio-trace-core v0.1.0 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking tokio-sync v0.1.5 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand_jitter v0.1.4 [INFO] [stderr] Checking miniz_oxide v0.2.1 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling crc v1.8.1 [INFO] [stderr] Compiling unicase v1.4.2 [INFO] [stderr] Compiling unicase v2.4.0 [INFO] [stderr] Checking want v0.0.6 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Checking crc32fast v1.2.0 [INFO] [stderr] Checking lock_api v0.1.5 [INFO] [stderr] Checking rand_chacha v0.1.1 [INFO] [stderr] Checking rand_pcg v0.1.2 [INFO] [stderr] Checking base64 v0.10.1 [INFO] [stderr] Checking serde_json v1.0.39 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Checking tokio-executor v0.1.7 [INFO] [stderr] Checking crossbeam-queue v0.1.2 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking tokio-current-thread v0.1.6 [INFO] [stderr] Checking tokio-timer v0.2.10 [INFO] [stderr] Compiling phf_shared v0.7.24 [INFO] [stderr] Checking crossbeam-epoch v0.7.1 [INFO] [stderr] Checking mime v0.3.13 [INFO] [stderr] Compiling parking_lot_core v0.4.0 [INFO] [stderr] Checking phf v0.7.24 [INFO] [stderr] Compiling quote v0.6.12 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking num_cpus v1.10.0 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking backtrace-sys v0.1.28 [INFO] [stderr] Checking time v0.1.42 [INFO] [stderr] Checking nix v0.12.0 [INFO] [stderr] Checking futures-cpupool v0.1.8 [INFO] [stderr] Checking url v1.7.2 [INFO] [stderr] Checking rand v0.6.5 [INFO] [stderr] Checking crossbeam-deque v0.7.1 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking libudev v0.2.0 [INFO] [stderr] Checking mio v0.6.16 [INFO] [stderr] Checking flate2 v1.0.7 [INFO] [stderr] Checking error-chain v0.12.0 [INFO] [stderr] Checking tokio-io v0.1.12 [INFO] [stderr] Checking http v0.1.17 [INFO] [stderr] Checking cookie v0.11.1 [INFO] [stderr] Checking publicsuffix v1.5.2 [INFO] [stderr] Checking serde_urlencoded v0.5.5 [INFO] [stderr] Checking tokio-threadpool v0.1.14 [INFO] [stderr] Checking uuid v0.7.4 [INFO] [stderr] Compiling phf_generator v0.7.24 [INFO] [stderr] Checking parking_lot v0.7.1 [INFO] [stderr] Compiling phf_codegen v0.7.24 [INFO] [stderr] Compiling mime_guess v2.0.0-alpha.6 [INFO] [stderr] Checking tokio-reactor v0.1.9 [INFO] [stderr] Checking tokio-tcp v0.1.3 [INFO] [stderr] Checking tokio v0.1.19 [INFO] [stderr] Compiling synstructure v0.10.1 [INFO] [stderr] Checking h2 v0.1.18 [INFO] [stderr] Checking serialport v3.2.0 [INFO] [stderr] Compiling serde_derive v1.0.91 [INFO] [stderr] Checking hyper v0.12.28 [INFO] [stderr] Checking failure v0.1.5 [INFO] [stderr] Checking hyper-tls v0.3.2 [INFO] [stderr] Checking cookie_store v0.5.1 [INFO] [stderr] Checking reqwest v0.9.16 [INFO] [stderr] Checking kubutton v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 41s [INFO] running `Command { std: "docker" "inspect" "e5665cbb6eb1d643e8141f34b1ec40505f96a02432699cec5679387ea9a9267b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e5665cbb6eb1d643e8141f34b1ec40505f96a02432699cec5679387ea9a9267b", kill_on_drop: false }` [INFO] [stdout] e5665cbb6eb1d643e8141f34b1ec40505f96a02432699cec5679387ea9a9267b