[INFO] fetching crate arraygen-docfix 0.1.8...
[INFO] testing arraygen-docfix-0.1.8 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate arraygen-docfix 0.1.8 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate arraygen-docfix 0.1.8 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate arraygen-docfix 0.1.8
[INFO] finished tweaking crates.io crate arraygen-docfix 0.1.8
[INFO] tweaked toml for crates.io crate arraygen-docfix 0.1.8 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro-error-attr v0.4.12
[INFO] [stderr]   Downloaded rustfix v0.5.1
[INFO] [stderr]   Downloaded proc-macro-error v0.4.12
[INFO] [stderr]   Downloaded compiletest_rs v0.4.1
[INFO] [stderr]   Downloaded syn-mid v0.5.2
[INFO] [stderr]   Downloaded tester v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 216db8d99a78ebbeb844e915eb8a74cd88df4608a0dee4ed6ef0256e60dd3112
[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" "216db8d99a78ebbeb844e915eb8a74cd88df4608a0dee4ed6ef0256e60dd3112", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "216db8d99a78ebbeb844e915eb8a74cd88df4608a0dee4ed6ef0256e60dd3112", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "216db8d99a78ebbeb844e915eb8a74cd88df4608a0dee4ed6ef0256e60dd3112", kill_on_drop: false }`
[INFO] [stdout] 216db8d99a78ebbeb844e915eb8a74cd88df4608a0dee4ed6ef0256e60dd3112
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--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] 486ec494e3faef6f00a1f0aa29517029d3c7d0487859d01c9289d6b03c3776d3
[INFO] running `Command { std: "docker" "start" "-a" "486ec494e3faef6f00a1f0aa29517029d3c7d0487859d01c9289d6b03c3776d3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.12
[INFO] [stderr]    Compiling proc-macro-error v0.4.12
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling syn-mid v0.5.2
[INFO] [stderr]    Compiling arraygen-docfix v0.1.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.05s
[INFO] running `Command { std: "docker" "inspect" "486ec494e3faef6f00a1f0aa29517029d3c7d0487859d01c9289d6b03c3776d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "486ec494e3faef6f00a1f0aa29517029d3c7d0487859d01c9289d6b03c3776d3", kill_on_drop: false }`
[INFO] [stdout] 486ec494e3faef6f00a1f0aa29517029d3c7d0487859d01c9289d6b03c3776d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--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] c3180155189b03ca83cc40a6dbdf75a7ebf55a06d4bb7c5f7f08354c308d950e
[INFO] running `Command { std: "docker" "start" "-a" "c3180155189b03ca83cc40a6dbdf75a7ebf55a06d4bb7c5f7f08354c308d950e", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.37
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling compiletest_rs v0.4.1
[INFO] [stderr]    Compiling diff v0.1.12
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling dirs-sys v0.3.5
[INFO] [stderr]    Compiling filetime v0.2.13
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling term v0.6.1
[INFO] [stderr]    Compiling tester v0.7.0
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling rustfix v0.5.1
[INFO] [stderr]    Compiling arraygen-docfix v0.1.8 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `arraygen-docfix`
[INFO] [stdout] error[E0463]: can't find crate for `arraygen`
[INFO] [stdout]  --> tests/arraygen.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | extern crate arraygen;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "c3180155189b03ca83cc40a6dbdf75a7ebf55a06d4bb7c5f7f08354c308d950e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3180155189b03ca83cc40a6dbdf75a7ebf55a06d4bb7c5f7f08354c308d950e", kill_on_drop: false }`
[INFO] [stdout] c3180155189b03ca83cc40a6dbdf75a7ebf55a06d4bb7c5f7f08354c308d950e