[INFO] fetching crate alder 0.10.0...
[INFO] checking alder-0.10.0 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] extracting crate alder 0.10.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate alder 0.10.0 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate alder 0.10.0
[INFO] finished tweaking crates.io crate alder 0.10.0
[INFO] tweaked toml for crates.io crate alder 0.10.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate alder 0.10.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded alder-derive v0.2.3
[INFO] [stderr]   Downloaded test-case v1.0.0
[INFO] [stderr]   Downloaded unindent v0.1.5
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", 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] f0b1486b066f2caf7fe1ad7fc7383ad8f86b6217b467d76ed39fb432b5c3b766
[INFO] running `Command { std: "docker" "start" "-a" "f0b1486b066f2caf7fe1ad7fc7383ad8f86b6217b467d76ed39fb432b5c3b766", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f0b1486b066f2caf7fe1ad7fc7383ad8f86b6217b467d76ed39fb432b5c3b766", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0b1486b066f2caf7fe1ad7fc7383ad8f86b6217b467d76ed39fb432b5c3b766", kill_on_drop: false }`
[INFO] [stdout] f0b1486b066f2caf7fe1ad7fc7383ad8f86b6217b467d76ed39fb432b5c3b766
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "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] 8f2542e86e7bcfc29b82f0f7a84d642e9fd5927c525fdd5384fa9227e751e5dc
[INFO] running `Command { std: "docker" "start" "-a" "8f2542e86e7bcfc29b82f0f7a84d642e9fd5927c525fdd5384fa9227e751e5dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling unindent v0.1.5
[INFO] [stderr]     Checking unicode-xid v0.2.0
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]    Compiling test-case v1.0.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling derive_more v0.99.3
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling alder-derive v0.2.3
[INFO] [stderr]     Checking alder v0.10.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 49.53s
[INFO] running `Command { std: "docker" "inspect" "8f2542e86e7bcfc29b82f0f7a84d642e9fd5927c525fdd5384fa9227e751e5dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f2542e86e7bcfc29b82f0f7a84d642e9fd5927c525fdd5384fa9227e751e5dc", kill_on_drop: false }`
[INFO] [stdout] 8f2542e86e7bcfc29b82f0f7a84d642e9fd5927c525fdd5384fa9227e751e5dc