[INFO] fetching crate rs64-rom 0.1.0... [INFO] checking rs64-rom-0.1.0 against master#d62d3f7fa9a91d933213cc10e20e740608983f64 for pr-77015 [INFO] extracting crate rs64-rom 0.1.0 into /workspace/builds/worker-0/source [INFO] validating manifest of crates.io crate rs64-rom 0.1.0 on toolchain d62d3f7fa9a91d933213cc10e20e740608983f64 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate rs64-rom 0.1.0 [INFO] finished tweaking crates.io crate rs64-rom 0.1.0 [INFO] tweaked toml for crates.io crate rs64-rom 0.1.0 written to /workspace/builds/worker-0/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 64587d8ca255c0f69b95207380a8114a0435329010e9c48dde5f8f8b3f2f915f [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" "64587d8ca255c0f69b95207380a8114a0435329010e9c48dde5f8f8b3f2f915f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "64587d8ca255c0f69b95207380a8114a0435329010e9c48dde5f8f8b3f2f915f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "64587d8ca255c0f69b95207380a8114a0435329010e9c48dde5f8f8b3f2f915f", kill_on_drop: false }` [INFO] [stdout] 64587d8ca255c0f69b95207380a8114a0435329010e9c48dde5f8f8b3f2f915f [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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ac9f581148ebff63181616dc2acc1ea7c9fbc72aae2e1d3f48cf1fe719c3c4f5 [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" "ac9f581148ebff63181616dc2acc1ea7c9fbc72aae2e1d3f48cf1fe719c3c4f5", kill_on_drop: false }` [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Checking rs64-rom v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:63:39 [INFO] [stdout] | [INFO] [stdout] 63 | pub fn serialize(&self, writer: &mut std::io::Write) -> io::Result<()> { [INFO] [stdout] | ^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:63:39 [INFO] [stdout] | [INFO] [stdout] 63 | pub fn serialize(&self, writer: &mut std::io::Write) -> io::Result<()> { [INFO] [stdout] | ^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` 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 1.29s [INFO] running `Command { std: "docker" "inspect" "ac9f581148ebff63181616dc2acc1ea7c9fbc72aae2e1d3f48cf1fe719c3c4f5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ac9f581148ebff63181616dc2acc1ea7c9fbc72aae2e1d3f48cf1fe719c3c4f5", kill_on_drop: false }` [INFO] [stdout] ac9f581148ebff63181616dc2acc1ea7c9fbc72aae2e1d3f48cf1fe719c3c4f5