[INFO] fetching crate simple-menu 0.1.0...
[INFO] checking simple-menu-0.1.0 against master#f90b06d7fb00470177516c5881bcec0432cb4f24 for pr-94063
[INFO] extracting crate simple-menu 0.1.0 into /workspace/builds/worker-23/source
[INFO] validating manifest of crates.io crate simple-menu 0.1.0 on toolchain f90b06d7fb00470177516c5881bcec0432cb4f24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f90b06d7fb00470177516c5881bcec0432cb4f24" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate simple-menu 0.1.0
[INFO] finished tweaking crates.io crate simple-menu 0.1.0
[INFO] tweaked toml for crates.io crate simple-menu 0.1.0 written to /workspace/builds/worker-23/source/Cargo.toml
[INFO] crate crates.io crate simple-menu 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f90b06d7fb00470177516c5881bcec0432cb4f24" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded iui v0.3.0
[INFO] [stderr]   Downloaded ui-sys v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+f90b06d7fb00470177516c5881bcec0432cb4f24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 216e3aa78533fd2e6002de1419794127bcfa94b9642ac78c8cf980949547e3e0
[INFO] running `Command { std: "docker" "start" "-a" "216e3aa78533fd2e6002de1419794127bcfa94b9642ac78c8cf980949547e3e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "216e3aa78533fd2e6002de1419794127bcfa94b9642ac78c8cf980949547e3e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "216e3aa78533fd2e6002de1419794127bcfa94b9642ac78c8cf980949547e3e0", kill_on_drop: false }`
[INFO] [stdout] 216e3aa78533fd2e6002de1419794127bcfa94b9642ac78c8cf980949547e3e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+f90b06d7fb00470177516c5881bcec0432cb4f24" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c0b8f105684bbcd78df99290d8602699370eba99d92b502688341ee135d5eacb
[INFO] running `Command { std: "docker" "start" "-a" "c0b8f105684bbcd78df99290d8602699370eba99d92b502688341ee135d5eacb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cc v1.0.47
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling serde v1.0.102
[INFO] [stderr]    Compiling cmake v0.1.42
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling ui-sys v0.1.3
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking backtrace v0.3.40
[INFO] [stderr] error: could not compile `serde`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name serde /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde-1.0.102/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="std"' -C metadata=eb2044f68c2bdefe -C extra-filename=-eb2044f68c2bdefe --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=forbid --cfg ops_bound --cfg core_reverse --cfg de_boxed_c_str --cfg de_boxed_path --cfg de_rc_dst --cfg core_duration --cfg integer128 --cfg range_inclusive --cfg num_nonzero --cfg core_try_from --cfg num_nonzero_signed --cfg std_atomic64 --cfg std_atomic` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "c0b8f105684bbcd78df99290d8602699370eba99d92b502688341ee135d5eacb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0b8f105684bbcd78df99290d8602699370eba99d92b502688341ee135d5eacb", kill_on_drop: false }`
[INFO] [stdout] c0b8f105684bbcd78df99290d8602699370eba99d92b502688341ee135d5eacb