[INFO] fetching crate memx 0.1.14...
[INFO] testing memx-0.1.14 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate memx 0.1.14 into /workspace/builds/worker-72/source
[INFO] validating manifest of crates.io crate memx 0.1.14 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-72/source/.cargo/config
[INFO] started tweaking crates.io crate memx 0.1.14
[INFO] finished tweaking crates.io crate memx 0.1.14
[INFO] tweaked toml for crates.io crate memx 0.1.14 written to /workspace/builds/worker-72/source/Cargo.toml
[INFO] crate crates.io crate memx 0.1.14 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2cfc266c93490d12fecb77b827f1762f298b01f6d80ad3bc6a532a1a06f277ee
[INFO] running `Command { std: "docker" "start" "-a" "2cfc266c93490d12fecb77b827f1762f298b01f6d80ad3bc6a532a1a06f277ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2cfc266c93490d12fecb77b827f1762f298b01f6d80ad3bc6a532a1a06f277ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cfc266c93490d12fecb77b827f1762f298b01f6d80ad3bc6a532a1a06f277ee", kill_on_drop: false }`
[INFO] [stdout] 2cfc266c93490d12fecb77b827f1762f298b01f6d80ad3bc6a532a1a06f277ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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=warn" "-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" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bcc95e38f27da2e5d8bb64d6672efbd0109cfb77bd6850bfa841ae5bb7cd7b04
[INFO] running `Command { std: "docker" "start" "-a" "bcc95e38f27da2e5d8bb64d6672efbd0109cfb77bd6850bfa841ae5bb7cd7b04", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.3
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling memx v0.1.14 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.82s
[INFO] running `Command { std: "docker" "inspect" "bcc95e38f27da2e5d8bb64d6672efbd0109cfb77bd6850bfa841ae5bb7cd7b04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcc95e38f27da2e5d8bb64d6672efbd0109cfb77bd6850bfa841ae5bb7cd7b04", kill_on_drop: false }`
[INFO] [stdout] bcc95e38f27da2e5d8bb64d6672efbd0109cfb77bd6850bfa841ae5bb7cd7b04
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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=warn" "-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" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 83b5a26bb7a9ad7d0ecd90e6d1979ef2b4e1d585c2062e9f47e10c0dd251dc7f
[INFO] running `Command { std: "docker" "start" "-a" "83b5a26bb7a9ad7d0ecd90e6d1979ef2b4e1d585c2062e9f47e10c0dd251dc7f", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustversion v1.0.5
[INFO] [stderr]    Compiling memx v0.1.14 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]  --> tests/memcpy_std.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 |         &(dst[0..src.len()]).copy_from_slice(src);
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `memx`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name memx --edition=2018 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test --cfg 'feature="default"' --cfg 'feature="std"' -C metadata=a4914bade748ab6e -C extra-filename=-a4914bade748ab6e --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern rustversion=/opt/rustwide/target/debug/deps/librustversion-2fc8dcb78c60ef5c.so --cap-lints=warn` (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" "83b5a26bb7a9ad7d0ecd90e6d1979ef2b4e1d585c2062e9f47e10c0dd251dc7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83b5a26bb7a9ad7d0ecd90e6d1979ef2b4e1d585c2062e9f47e10c0dd251dc7f", kill_on_drop: false }`
[INFO] [stdout] 83b5a26bb7a9ad7d0ecd90e6d1979ef2b4e1d585c2062e9f47e10c0dd251dc7f
