[INFO] cloning repository https://github.com/bddap/anagram-solver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bddap/anagram-solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbddap%2Fanagram-solver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbddap%2Fanagram-solver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b3c84d24a08eae564d9d4a0bc73504c5d407ba36
[INFO] checking bddap/anagram-solver against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbddap%2Fanagram-solver" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bddap/anagram-solver 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 git repo https://github.com/bddap/anagram-solver
[INFO] finished tweaking git repo https://github.com/bddap/anagram-solver
[INFO] tweaked toml for git repo https://github.com/bddap/anagram-solver written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/bddap/anagram-solver already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stdout] 521f775fcbf6f051ee7254eefbdcd5400a941085fe790e25b9908b55658c0bd9
[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" "521f775fcbf6f051ee7254eefbdcd5400a941085fe790e25b9908b55658c0bd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "521f775fcbf6f051ee7254eefbdcd5400a941085fe790e25b9908b55658c0bd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "521f775fcbf6f051ee7254eefbdcd5400a941085fe790e25b9908b55658c0bd9", kill_on_drop: false }`
[INFO] [stdout] 521f775fcbf6f051ee7254eefbdcd5400a941085fe790e25b9908b55658c0bd9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c13da79a24dc5f5ba20127587b29be180578f3a726c8952a74a590e54ce64dc7
[INFO] running `Command { std: "docker" "start" "-a" "c13da79a24dc5f5ba20127587b29be180578f3a726c8952a74a590e54ce64dc7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling build_const v0.2.1
[INFO] [stderr]     Checking adler32 v1.0.3
[INFO] [stderr]     Checking array-macro v1.0.2
[INFO] [stderr]     Checking reexport-proc-macro v1.0.5
[INFO] [stderr]     Checking byteorder v1.2.7
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]     Checking libflate v0.1.18
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling enum-map-derive v0.4.0
[INFO] [stderr]     Checking enum-map v0.4.1
[INFO] [stderr]     Checking anagram-solver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.99s
[INFO] running `Command { std: "docker" "inspect" "c13da79a24dc5f5ba20127587b29be180578f3a726c8952a74a590e54ce64dc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c13da79a24dc5f5ba20127587b29be180578f3a726c8952a74a590e54ce64dc7", kill_on_drop: false }`
[INFO] [stdout] c13da79a24dc5f5ba20127587b29be180578f3a726c8952a74a590e54ce64dc7