[INFO] cloning repository https://github.com/edmccard/word-puzzles
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/edmccard/word-puzzles" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fedmccard%2Fword-puzzles", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fedmccard%2Fword-puzzles'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 06be9da1d2f15886507c4f3a83d8a6614433042d
[INFO] checking edmccard/word-puzzles against master#b2fabe39bde5174e8d728bb85f2b8d0572c35b74 for pr-145108-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fedmccard%2Fword-puzzles" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/edmccard/word-puzzles
[INFO] finished tweaking git repo https://github.com/edmccard/word-puzzles
[INFO] tweaked toml for git repo https://github.com/edmccard/word-puzzles written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/edmccard/word-puzzles on toolchain b2fabe39bde5174e8d728bb85f2b8d0572c35b74
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b2fabe39bde5174e8d728bb85f2b8d0572c35b74" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/edmccard/word-puzzles already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b2fabe39bde5174e8d728bb85f2b8d0572c35b74" "fetch" "--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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rust-embed-utils v8.7.2
[INFO] [stderr]   Downloaded proc-macro2 v1.0.96
[INFO] [stderr]   Downloaded rust-embed-impl v8.7.2
[INFO] [stderr]   Downloaded rust-embed v8.7.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b2fabe39bde5174e8d728bb85f2b8d0572c35b74" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e98af2ffe2e2621bd4f935f26bf0f43d9aca5c590a9ec54c90ad7a7b4c4abca5
[INFO] running `Command { std: "docker" "start" "-a" "e98af2ffe2e2621bd4f935f26bf0f43d9aca5c590a9ec54c90ad7a7b4c4abca5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e98af2ffe2e2621bd4f935f26bf0f43d9aca5c590a9ec54c90ad7a7b4c4abca5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e98af2ffe2e2621bd4f935f26bf0f43d9aca5c590a9ec54c90ad7a7b4c4abca5", kill_on_drop: false }`
[INFO] [stdout] e98af2ffe2e2621bd4f935f26bf0f43d9aca5c590a9ec54c90ad7a7b4c4abca5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b2fabe39bde5174e8d728bb85f2b8d0572c35b74" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0853ce1f256d34e1fe178f45bd890a6c144f2a557db852658e0ade2486d2f824
[INFO] running `Command { std: "docker" "start" "-a" "0853ce1f256d34e1fe178f45bd890a6c144f2a557db852658e0ade2486d2f824", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.18.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.96
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling cpufeatures v0.2.17
[INFO] [stderr]    Compiling cfg-if v1.0.1
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]     Checking generic-array v0.14.7
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking sha2 v0.10.9
[INFO] [stderr]     Checking rust-embed-utils v8.7.2
[INFO] [stderr]    Compiling rust-embed-impl v8.7.2
[INFO] [stderr]     Checking rust-embed v8.7.2
[INFO] [stderr]     Checking word-puzzles v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.26s
[INFO] running `Command { std: "docker" "inspect" "0853ce1f256d34e1fe178f45bd890a6c144f2a557db852658e0ade2486d2f824", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0853ce1f256d34e1fe178f45bd890a6c144f2a557db852658e0ade2486d2f824", kill_on_drop: false }`
[INFO] [stdout] 0853ce1f256d34e1fe178f45bd890a6c144f2a557db852658e0ade2486d2f824