[INFO] cloning repository https://github.com/sbondCo/scrabble
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sbondCo/scrabble" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FsbondCo%2Fscrabble", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FsbondCo%2Fscrabble'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f93da60e6394809ededcfde5090dc7a058181b30
[INFO] checking sbondCo/scrabble against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FsbondCo%2Fscrabble" "/workspace/builds/worker-79/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-79/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sbondCo/scrabble on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sbondCo/scrabble
[INFO] finished tweaking git repo https://github.com/sbondCo/scrabble
[INFO] tweaked toml for git repo https://github.com/sbondCo/scrabble written to /workspace/builds/worker-79/source/Cargo.toml
[INFO] crate git repo https://github.com/sbondCo/scrabble already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "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 tokio-macros v1.4.1
[INFO] [stderr]   Downloaded syn v1.0.78
[INFO] [stderr]   Downloaded tungstenite v0.14.0
[INFO] [stderr]   Downloaded tokio-tungstenite v0.15.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5b3f8cb94cf3f81aa5f5ca42b31454d79bf4e17ca98642d910cb30f1cc2cac8e
[INFO] running `Command { std: "docker" "start" "-a" "5b3f8cb94cf3f81aa5f5ca42b31454d79bf4e17ca98642d910cb30f1cc2cac8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b3f8cb94cf3f81aa5f5ca42b31454d79bf4e17ca98642d910cb30f1cc2cac8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b3f8cb94cf3f81aa5f5ca42b31454d79bf4e17ca98642d910cb30f1cc2cac8e", kill_on_drop: false }`
[INFO] [stdout] 5b3f8cb94cf3f81aa5f5ca42b31454d79bf4e17ca98642d910cb30f1cc2cac8e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 05916f55ce5adce8f4dfb27258fbd6bc4f2b6cb23f7d70da8fcb1c35b3adf2b9
[INFO] running `Command { std: "docker" "start" "-a" "05916f55ce5adce8f4dfb27258fbd6bc4f2b6cb23f7d70da8fcb1c35b3adf2b9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling syn v1.0.78
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]     Checking futures-sink v0.3.17
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]     Checking futures-io v0.3.17
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking slab v0.4.4
[INFO] [stderr]     Checking unicode-bidi v0.3.6
[INFO] [stderr]    Compiling httparse v1.5.1
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]     Checking tinyvec v1.5.0
[INFO] [stderr]    Compiling tokio v1.12.0
[INFO] [stderr]     Checking libc v0.2.103
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking http v0.2.5
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]    Compiling tokio-macros v1.4.1
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]     Checking pin-project v1.0.8
[INFO] [stderr]     Checking thiserror v1.0.29
[INFO] [stderr]     Checking tungstenite v0.14.0
[INFO] [stderr]     Checking futures-executor v0.3.17
[INFO] [stderr]     Checking tokio-tungstenite v0.15.0
[INFO] [stderr]     Checking futures v0.3.17
[INFO] [stderr]     Checking scrabble v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 01s
[INFO] running `Command { std: "docker" "inspect" "05916f55ce5adce8f4dfb27258fbd6bc4f2b6cb23f7d70da8fcb1c35b3adf2b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05916f55ce5adce8f4dfb27258fbd6bc4f2b6cb23f7d70da8fcb1c35b3adf2b9", kill_on_drop: false }`
[INFO] [stdout] 05916f55ce5adce8f4dfb27258fbd6bc4f2b6cb23f7d70da8fcb1c35b3adf2b9