[INFO] fetching crate mycroft-macros 0.0.1...
[INFO] checking mycroft-macros-0.0.1 against master#836c31742687ba4e2f857b5b698e1e9e6b67619c for pr-81789
[INFO] extracting crate mycroft-macros 0.0.1 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate mycroft-macros 0.0.1 on toolchain 836c31742687ba4e2f857b5b698e1e9e6b67619c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mycroft-macros 0.0.1
[INFO] finished tweaking crates.io crate mycroft-macros 0.0.1
[INFO] tweaked toml for crates.io crate mycroft-macros 0.0.1 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8eba61c6f91bbf92b2e3d73559a04ee367f84507319483481a299900f0278191
[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" "8eba61c6f91bbf92b2e3d73559a04ee367f84507319483481a299900f0278191", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8eba61c6f91bbf92b2e3d73559a04ee367f84507319483481a299900f0278191", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8eba61c6f91bbf92b2e3d73559a04ee367f84507319483481a299900f0278191", kill_on_drop: false }`
[INFO] [stdout] 8eba61c6f91bbf92b2e3d73559a04ee367f84507319483481a299900f0278191
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b724b8f03ad293d0aa1f6b62441b5825ced947240544b4a8d43c3fb47d4e57b4
[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" "b724b8f03ad293d0aa1f6b62441b5825ced947240544b4a8d43c3fb47d4e57b4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling gimli v0.23.0
[INFO] [stderr]    Compiling object v0.23.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.18
[INFO] [stderr]    Compiling proc-macro-hack-impl v0.4.3
[INFO] [stderr]    Compiling ascii v0.7.1
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling proc-macro2 v0.2.3
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling combine v2.5.2
[INFO] [stderr]    Compiling quote v0.4.2
[INFO] [stderr]    Compiling proc-macro-hack v0.4.3
[INFO] [stderr]    Compiling addr2line v0.14.1
[INFO] [stderr]    Compiling backtrace v0.3.57
[INFO] [stderr]    Compiling error-chain v0.11.0
[INFO] [stderr]    Compiling mycroft v0.0.1
[INFO] [stderr]    Compiling mycroft-macros-impl v0.0.1
[INFO] [stderr]     Checking mycroft-macros v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` 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 38.35s
[INFO] running `Command { std: "docker" "inspect" "b724b8f03ad293d0aa1f6b62441b5825ced947240544b4a8d43c3fb47d4e57b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b724b8f03ad293d0aa1f6b62441b5825ced947240544b4a8d43c3fb47d4e57b4", kill_on_drop: false }`
[INFO] [stdout] b724b8f03ad293d0aa1f6b62441b5825ced947240544b4a8d43c3fb47d4e57b4