[INFO] fetching crate ev3dev-lang-rust 0.9.4...
[INFO] checking ev3dev-lang-rust-0.9.4 against try#1b5ce95284bc3170a1f4a55c6ec8a06b3e85ff73 for pr-78461
[INFO] extracting crate ev3dev-lang-rust 0.9.4 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate ev3dev-lang-rust 0.9.4 on toolchain 1b5ce95284bc3170a1f4a55c6ec8a06b3e85ff73
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1b5ce95284bc3170a1f4a55c6ec8a06b3e85ff73" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2/source/.cargo/config
[INFO] started tweaking crates.io crate ev3dev-lang-rust 0.9.4
[INFO] finished tweaking crates.io crate ev3dev-lang-rust 0.9.4
[INFO] tweaked toml for crates.io crate ev3dev-lang-rust 0.9.4 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1b5ce95284bc3170a1f4a55c6ec8a06b3e85ff73" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1b5ce95284bc3170a1f4a55c6ec8a06b3e85ff73" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded png v0.16.7
[INFO] [stderr]   Downloaded memmap v0.7.0
[INFO] [stderr]   Downloaded weezl v0.1.2
[INFO] [stderr]   Downloaded ev3dev-lang-rust-derive v0.8.0
[INFO] [stderr]   Downloaded deflate v0.8.6
[INFO] [stderr]   Downloaded image v0.23.11
[INFO] [stderr]   Downloaded miniz_oxide v0.3.7
[INFO] [stderr]   Downloaded gif v0.11.1
[INFO] [stderr]   Downloaded framebuffer v0.2.1
[INFO] [stderr]   Downloaded tiff v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1b5ce95284bc3170a1f4a55c6ec8a06b3e85ff73" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1c590226f25385cd088db54944bf8d9f5e2d9e2c200b3d961e4a545dea098549
[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" "1c590226f25385cd088db54944bf8d9f5e2d9e2c200b3d961e4a545dea098549", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c590226f25385cd088db54944bf8d9f5e2d9e2c200b3d961e4a545dea098549", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c590226f25385cd088db54944bf8d9f5e2d9e2c200b3d961e4a545dea098549", kill_on_drop: false }`
[INFO] [stdout] 1c590226f25385cd088db54944bf8d9f5e2d9e2c200b3d961e4a545dea098549
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1b5ce95284bc3170a1f4a55c6ec8a06b3e85ff73" "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] 668c1c30987d6604632d52b38f48c8fe9233510d68b492ff923b452f9baaf665
[INFO] running `Command { std: "docker" "start" "-a" "668c1c30987d6604632d52b38f48c8fe9233510d68b492ff923b452f9baaf665", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling ev3dev-lang-rust-derive v0.8.0
[INFO] [stderr]     Checking ev3dev-lang-rust v0.9.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.99s
[INFO] running `Command { std: "docker" "inspect" "668c1c30987d6604632d52b38f48c8fe9233510d68b492ff923b452f9baaf665", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "668c1c30987d6604632d52b38f48c8fe9233510d68b492ff923b452f9baaf665", kill_on_drop: false }`
[INFO] [stdout] 668c1c30987d6604632d52b38f48c8fe9233510d68b492ff923b452f9baaf665