[INFO] cloning repository https://github.com/curtiswilkinson/roomservice-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/curtiswilkinson/roomservice-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcurtiswilkinson%2Froomservice-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcurtiswilkinson%2Froomservice-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 850902b338af1571b31bc7f86bb01fd5ee3e54cd
[INFO] checking curtiswilkinson/roomservice-rust against master#00bfd6b2734d9c28a147bf237490995731781fdd for pr-117984
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcurtiswilkinson%2Froomservice-rust" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/curtiswilkinson/roomservice-rust on toolchain 00bfd6b2734d9c28a147bf237490995731781fdd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+00bfd6b2734d9c28a147bf237490995731781fdd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2-tc1/source/.cargo/config
[INFO] started tweaking git repo https://github.com/curtiswilkinson/roomservice-rust
[INFO] finished tweaking git repo https://github.com/curtiswilkinson/roomservice-rust
[INFO] tweaked toml for git repo https://github.com/curtiswilkinson/roomservice-rust written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/curtiswilkinson/roomservice-rust 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" "+00bfd6b2734d9c28a147bf237490995731781fdd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crc8 v0.1.1
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[INFO] [stderr]   Downloaded subprocess v0.1.17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+00bfd6b2734d9c28a147bf237490995731781fdd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 739feaeb905e075c194d2cdd5d968e08b2a588760e48d4d62a744af51e740517
[INFO] running `Command { std: "docker" "start" "-a" "739feaeb905e075c194d2cdd5d968e08b2a588760e48d4d62a744af51e740517", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "739feaeb905e075c194d2cdd5d968e08b2a588760e48d4d62a744af51e740517", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "739feaeb905e075c194d2cdd5d968e08b2a588760e48d4d62a744af51e740517", kill_on_drop: false }`
[INFO] [stdout] 739feaeb905e075c194d2cdd5d968e08b2a588760e48d4d62a744af51e740517
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+00bfd6b2734d9c28a147bf237490995731781fdd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3b3afd4b6980350db47fa14b9e0b32cdae33266271a37e6ac0712b18698a01c2
[INFO] running `Command { std: "docker" "start" "-a" "3b3afd4b6980350db47fa14b9e0b32cdae33266271a37e6ac0712b18698a01c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]     Checking cfg-if v0.1.5
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]     Checking nodrop v0.1.12
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]     Checking utf8-ranges v1.0.1
[INFO] [stderr]    Compiling regex v1.1.6
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]    Compiling crunchy v0.1.6
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking regex-syntax v0.6.6
[INFO] [stderr]     Checking rand_core v0.3.0
[INFO] [stderr]    Compiling build_const v0.2.1
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[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking arrayvec v0.4.7
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[INFO] [stderr]     Checking futures v0.1.25
[INFO] [stderr]    Compiling lazy_static v1.1.0
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[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]     Checking yaml-rust v0.4.2
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[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking tiny-keccak v1.4.2
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[INFO] [stderr]     Checking crossbeam-deque v0.2.0
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[INFO] [stderr]     Checking glob v0.2.11
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[INFO] [stderr]    Compiling serde_derive v1.0.80
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[INFO] [stderr]     Checking serde_yaml v0.8.7
[INFO] [stderr]     Checking roomservice v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `cache_dir` is never read
[INFO] [stdout]   --> src/roomservice/mod.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct RoomserviceBuilder {
[INFO] [stdout]    |            ------------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 16 |     cache_dir: String,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RoomserviceBuilder` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `cache_dir` is never read
[INFO] [stdout]   --> src/roomservice/mod.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct RoomserviceBuilder {
[INFO] [stdout]    |            ------------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 16 |     cache_dir: String,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RoomserviceBuilder` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.47s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "3b3afd4b6980350db47fa14b9e0b32cdae33266271a37e6ac0712b18698a01c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b3afd4b6980350db47fa14b9e0b32cdae33266271a37e6ac0712b18698a01c2", kill_on_drop: false }`
[INFO] [stdout] 3b3afd4b6980350db47fa14b9e0b32cdae33266271a37e6ac0712b18698a01c2