[INFO] cloning repository https://github.com/danbruder/grove
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/danbruder/grove" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanbruder%2Fgrove", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanbruder%2Fgrove'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5b960b44f89a92efc6314cd2c732b67aaca0dfc9
[INFO] checking danbruder/grove against master#4c60a0ea5b2385d7400df9db1ad04e96f2a4c154 for 92191_revert
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanbruder%2Fgrove" "/workspace/builds/worker-116/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-116/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/danbruder/grove on toolchain 4c60a0ea5b2385d7400df9db1ad04e96f2a4c154
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4c60a0ea5b2385d7400df9db1ad04e96f2a4c154" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/danbruder/grove
[INFO] finished tweaking git repo https://github.com/danbruder/grove
[INFO] tweaked toml for git repo https://github.com/danbruder/grove written to /workspace/builds/worker-116/source/Cargo.toml
[INFO] crate git repo https://github.com/danbruder/grove already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4c60a0ea5b2385d7400df9db1ad04e96f2a4c154" "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 pest_meta v2.1.1
[INFO] [stderr]   Downloaded pest v2.1.1
[INFO] [stderr]   Downloaded block-padding v0.1.4
[INFO] [stderr]   Downloaded digest v0.8.0
[INFO] [stderr]   Downloaded pest_generator v2.1.0
[INFO] [stderr]   Downloaded sha-1 v0.8.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+4c60a0ea5b2385d7400df9db1ad04e96f2a4c154" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6b656e21a136a1aad8396459de0173d1e7a8f817350ec53b47be179f0c020957
[INFO] running `Command { std: "docker" "start" "-a" "6b656e21a136a1aad8396459de0173d1e7a8f817350ec53b47be179f0c020957", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b656e21a136a1aad8396459de0173d1e7a8f817350ec53b47be179f0c020957", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b656e21a136a1aad8396459de0173d1e7a8f817350ec53b47be179f0c020957", kill_on_drop: false }`
[INFO] [stdout] 6b656e21a136a1aad8396459de0173d1e7a8f817350ec53b47be179f0c020957
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+4c60a0ea5b2385d7400df9db1ad04e96f2a4c154" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c599b9c6fa18a74f2bb64683b167f0fa2fece71720d36b7d4fa0279f99125caf
[INFO] running `Command { std: "docker" "start" "-a" "c599b9c6fa18a74f2bb64683b167f0fa2fece71720d36b7d4fa0279f99125caf", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.34
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling ucd-trie v0.1.1
[INFO] [stderr]    Compiling ryu v0.2.8
[INFO] [stderr]    Compiling serde v1.0.91
[INFO] [stderr]    Compiling maplit v1.0.1
[INFO] [stderr]    Compiling regex v1.1.6
[INFO] [stderr]     Checking ucd-util v0.1.3
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking same-file v1.0.4
[INFO] [stderr]     Checking utf8-ranges v1.0.2
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]    Compiling pest v2.1.1
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking walkdir v2.2.7
[INFO] [stderr]     Checking regex-syntax v0.6.6
[INFO] [stderr]    Compiling pest_meta v2.1.1
[INFO] [stderr]     Checking aho-corasick v0.7.3
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]    Compiling pest_generator v2.1.0
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking handlebars v1.1.0
[INFO] [stderr]     Checking treehouse v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 14s
[INFO] running `Command { std: "docker" "inspect" "c599b9c6fa18a74f2bb64683b167f0fa2fece71720d36b7d4fa0279f99125caf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c599b9c6fa18a74f2bb64683b167f0fa2fece71720d36b7d4fa0279f99125caf", kill_on_drop: false }`
[INFO] [stdout] c599b9c6fa18a74f2bb64683b167f0fa2fece71720d36b7d4fa0279f99125caf