[INFO] fetching crate mason 0.0.0... [INFO] checking mason-0.0.0 against master#4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 for pr-81174 [INFO] extracting crate mason 0.0.0 into /workspace/builds/worker-6/source [INFO] validating manifest of crates.io crate mason 0.0.0 on toolchain 4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate mason 0.0.0 [INFO] finished tweaking crates.io crate mason 0.0.0 [INFO] tweaked toml for crates.io crate mason 0.0.0 written to /workspace/builds/worker-6/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "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" "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" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 10e411e2314de92f1b8219ac606b58ff23a0a3748ef892ee5f246b44b420fe7c [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" "10e411e2314de92f1b8219ac606b58ff23a0a3748ef892ee5f246b44b420fe7c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "10e411e2314de92f1b8219ac606b58ff23a0a3748ef892ee5f246b44b420fe7c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "10e411e2314de92f1b8219ac606b58ff23a0a3748ef892ee5f246b44b420fe7c", kill_on_drop: false }` [INFO] [stdout] 10e411e2314de92f1b8219ac606b58ff23a0a3748ef892ee5f246b44b420fe7c [INFO] running `Command { std: "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" "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" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 204de1e95c0d35efbc523ada99cb0fc9a6ab2fa4ac17692f69b5250281df46bf [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" "204de1e95c0d35efbc523ada99cb0fc9a6ab2fa4ac17692f69b5250281df46bf", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.60 [INFO] [stderr] Checking once_cell v1.5.2 [INFO] [stderr] Checking regex-syntax v0.6.22 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking object v0.23.0 [INFO] [stderr] Checking lock_api v0.3.4 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking log v0.4.13 [INFO] [stderr] Checking net2 v0.2.37 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking crossbeam-utils v0.6.6 [INFO] [stderr] Checking thread_local v1.1.2 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling memoffset v0.5.6 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling miniz_oxide v0.4.3 [INFO] [stderr] Checking smallvec v0.6.14 [INFO] [stderr] Checking futures-util-preview v0.3.0-alpha.19 [INFO] [stderr] Checking aho-corasick v0.7.15 [INFO] [stderr] Compiling parking_lot_core v0.6.2 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Compiling quote v1.0.8 [INFO] [stderr] Checking mio-uds v0.6.8 [INFO] [stderr] Checking crossbeam-channel v0.4.4 [INFO] [stderr] Checking crossbeam-queue v0.2.3 [INFO] [stderr] Checking crossbeam-deque v0.7.3 [INFO] [stderr] Checking crossbeam v0.7.3 [INFO] [stderr] Checking regex v1.4.3 [INFO] [stderr] Checking backtrace v0.3.56 [INFO] [stderr] Checking futures-executor-preview v0.3.0-alpha.19 [INFO] [stderr] Checking futures-preview v0.3.0-alpha.19 [INFO] [stderr] Checking juliex v0.3.0-alpha.8 [INFO] [stderr] Checking romio v0.3.0-alpha.10 [INFO] [stderr] Checking runtime-raw v0.3.0-alpha.5 [INFO] [stderr] Checking futures-timer v0.3.0 [INFO] [stderr] Checking env_logger v0.6.2 [INFO] [stderr] Checking runtime-native v0.3.0-alpha.6 [INFO] [stderr] Compiling synstructure v0.12.4 [INFO] [stderr] Compiling runtime-attributes v0.3.0-alpha.6 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Checking runtime v0.3.0-alpha.4 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking mason v0.0.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the feature `async_await` has been stable since 1.39.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/main.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(async_await)] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `async_await` has been stable since 1.39.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/main.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(async_await)] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 42.44s [INFO] running `Command { std: "docker" "inspect" "204de1e95c0d35efbc523ada99cb0fc9a6ab2fa4ac17692f69b5250281df46bf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "204de1e95c0d35efbc523ada99cb0fc9a6ab2fa4ac17692f69b5250281df46bf", kill_on_drop: false }` [INFO] [stdout] 204de1e95c0d35efbc523ada99cb0fc9a6ab2fa4ac17692f69b5250281df46bf