[INFO] fetching crate balena-temen 0.5.7...
[INFO] checking balena-temen-0.5.7 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] extracting crate balena-temen 0.5.7 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate balena-temen 0.5.7 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate balena-temen 0.5.7
[INFO] finished tweaking crates.io crate balena-temen 0.5.7
[INFO] tweaked toml for crates.io crate balena-temen 0.5.7 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "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] dc70588e1ed942ebe7862daee5be8a6ce4ad2be5d2c917764c8cc75d10f4b8c9
[INFO] running `Command { std: "docker" "start" "-a" "dc70588e1ed942ebe7862daee5be8a6ce4ad2be5d2c917764c8cc75d10f4b8c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc70588e1ed942ebe7862daee5be8a6ce4ad2be5d2c917764c8cc75d10f4b8c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc70588e1ed942ebe7862daee5be8a6ce4ad2be5d2c917764c8cc75d10f4b8c9", kill_on_drop: false }`
[INFO] [stdout] dc70588e1ed942ebe7862daee5be8a6ce4ad2be5d2c917764c8cc75d10f4b8c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7b08e1bd49dc12b0bd1a916d73782441bf1b465c162d6621f1c30b36bb6cc85f
[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" "7b08e1bd49dc12b0bd1a916d73782441bf1b465c162d6621f1c30b36bb6cc85f", kill_on_drop: false }`
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling rand v0.6.1
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking balena-temen v0.5.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/error.rs:256:34
[INFO] [stdout]     |
[INFO] [stdout] 256 |     fn source(&self) -> Option<&(error::Error + 'static)> {
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error + 'static`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/error.rs:256:34
[INFO] [stdout]     |
[INFO] [stdout] 256 |     fn source(&self) -> Option<&(error::Error + 'static)> {
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error + 'static`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 28.34s
[INFO] running `Command { std: "docker" "inspect" "7b08e1bd49dc12b0bd1a916d73782441bf1b465c162d6621f1c30b36bb6cc85f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b08e1bd49dc12b0bd1a916d73782441bf1b465c162d6621f1c30b36bb6cc85f", kill_on_drop: false }`
[INFO] [stdout] 7b08e1bd49dc12b0bd1a916d73782441bf1b465c162d6621f1c30b36bb6cc85f