[INFO] fetching crate erst-prepare 0.2.6... [INFO] checking erst-prepare-0.2.6 against master#0599f3403366d9c57f0625e6de3af214b5042a90 for pr-87710 [INFO] extracting crate erst-prepare 0.2.6 into /workspace/builds/worker-12/source [INFO] validating manifest of crates.io crate erst-prepare 0.2.6 on toolchain 0599f3403366d9c57f0625e6de3af214b5042a90 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate erst-prepare 0.2.6 [INFO] finished tweaking crates.io crate erst-prepare 0.2.6 [INFO] tweaked toml for crates.io crate erst-prepare 0.2.6 written to /workspace/builds/worker-12/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 37660f9becaae47855a7dc19ef6c192f3eed58ae3adbd3c5486d6020b07ceac6 [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" "37660f9becaae47855a7dc19ef6c192f3eed58ae3adbd3c5486d6020b07ceac6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "37660f9becaae47855a7dc19ef6c192f3eed58ae3adbd3c5486d6020b07ceac6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "37660f9becaae47855a7dc19ef6c192f3eed58ae3adbd3c5486d6020b07ceac6", kill_on_drop: false }` [INFO] [stdout] 37660f9becaae47855a7dc19ef6c192f3eed58ae3adbd3c5486d6020b07ceac6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "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] fd3ce05baa884052f2f5ef1498b69bd7a8a424baa5ff1ea2724e6dab21c8c524 [INFO] running `Command { std: "docker" "start" "-a" "fd3ce05baa884052f2f5ef1498b69bd7a8a424baa5ff1ea2724e6dab21c8c524", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling syn v1.0.75 [INFO] [stderr] Compiling ucd-trie v0.1.3 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Checking xdg v2.2.0 [INFO] [stderr] Compiling proc-macro2 v1.0.28 [INFO] [stderr] Checking memchr v2.4.1 [INFO] [stderr] Checking toml v0.5.8 [INFO] [stderr] Compiling pest v2.1.3 [INFO] [stderr] Checking bstr v0.1.4 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking quote v0.6.13 [INFO] [stderr] Compiling pest_meta v2.1.3 [INFO] [stderr] Compiling pest_generator v2.1.3 [INFO] [stderr] Compiling pest_derive v2.1.0 [INFO] [stderr] Compiling derive_more v0.15.0 [INFO] [stderr] Checking erst-shared v0.2.6 [INFO] [stderr] Checking erst-prepare v0.2.6 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:1:29 [INFO] [stdout] | [INFO] [stdout] 1 | fn main() -> Result<(), Box> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:1:29 [INFO] [stdout] | [INFO] [stdout] 1 | fn main() -> Result<(), Box> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [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 48.04s [INFO] running `Command { std: "docker" "inspect" "fd3ce05baa884052f2f5ef1498b69bd7a8a424baa5ff1ea2724e6dab21c8c524", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fd3ce05baa884052f2f5ef1498b69bd7a8a424baa5ff1ea2724e6dab21c8c524", kill_on_drop: false }` [INFO] [stdout] fd3ce05baa884052f2f5ef1498b69bd7a8a424baa5ff1ea2724e6dab21c8c524