[INFO] fetching crate maud 0.22.0... [INFO] checking maud-0.22.0 against try#6024cfef3a82f9a7688f07054f1650081bad3af5 for pr-74130 [INFO] extracting crate maud 0.22.0 into /workspace/builds/worker-1/source [INFO] validating manifest of crates.io crate maud 0.22.0 on toolchain 6024cfef3a82f9a7688f07054f1650081bad3af5 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate maud 0.22.0 [INFO] finished tweaking crates.io crate maud 0.22.0 [INFO] tweaked toml for crates.io crate maud 0.22.0 written to /workspace/builds/worker-1/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 161d1d7345d6e19384475adf7bf4b19667aa58a477c0eb046e6f0bfb404d7058 [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" "161d1d7345d6e19384475adf7bf4b19667aa58a477c0eb046e6f0bfb404d7058", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "161d1d7345d6e19384475adf7bf4b19667aa58a477c0eb046e6f0bfb404d7058", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "161d1d7345d6e19384475adf7bf4b19667aa58a477c0eb046e6f0bfb404d7058", kill_on_drop: false }` [INFO] [stdout] 161d1d7345d6e19384475adf7bf4b19667aa58a477c0eb046e6f0bfb404d7058 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "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] a26c6714c00fe9163c49f126022d40d9898a7c45f71df5f556cc9f5e4395c988 [INFO] running `Command { std: "docker" "start" "-a" "a26c6714c00fe9163c49f126022d40d9898a7c45f71df5f556cc9f5e4395c988", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.33 [INFO] [stderr] Compiling libc v0.2.72 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling serde_derive v1.0.114 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Checking gimli v0.22.0 [INFO] [stderr] Compiling serde v1.0.114 [INFO] [stderr] Checking object v0.20.0 [INFO] [stderr] Compiling serde_json v1.0.56 [INFO] [stderr] Checking rustc-demangle v0.1.16 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking itoa v0.4.6 [INFO] [stderr] Compiling compiletest_rs v0.3.26 [INFO] [stderr] Checking diff v0.1.12 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking getopts v0.2.21 [INFO] [stderr] Checking log v0.4.8 [INFO] [stderr] Checking regex v1.3.9 [INFO] [stderr] Checking dirs-sys v0.3.5 [INFO] [stderr] Checking filetime v0.2.10 [INFO] [stderr] Checking dirs v2.0.2 [INFO] [stderr] Checking term v0.6.1 [INFO] [stderr] Checking tester v0.6.0 [INFO] [stderr] Checking addr2line v0.13.0 [INFO] [stderr] Checking backtrace v0.3.50 [INFO] [stderr] Compiling synstructure v0.12.4 [INFO] [stderr] Compiling maud_macros v0.22.0 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking maud v0.22.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stdout] --> src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(specialization)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(incomplete_features)]` on by default [INFO] [stdout] = note: see issue #31844 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking rustfix v0.4.6 [INFO] [stdout] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stdout] --> src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(specialization)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(incomplete_features)]` on by default [INFO] [stdout] = note: see issue #31844 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 50.44s [INFO] running `Command { std: "docker" "inspect" "a26c6714c00fe9163c49f126022d40d9898a7c45f71df5f556cc9f5e4395c988", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a26c6714c00fe9163c49f126022d40d9898a7c45f71df5f556cc9f5e4395c988", kill_on_drop: false }` [INFO] [stdout] a26c6714c00fe9163c49f126022d40d9898a7c45f71df5f556cc9f5e4395c988