[INFO] cloning repository https://github.com/rusty1968/msgpack-tutor
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rusty1968/msgpack-tutor" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frusty1968%2Fmsgpack-tutor", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frusty1968%2Fmsgpack-tutor'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 72d694e33461d2ecb93cfbfe9f84ed81c45233b5
[INFO] checking rusty1968/msgpack-tutor against master#2aabf3ce0569dd7c8c2d2a27944850056dcf2566 for pr-156508-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frusty1968%2Fmsgpack-tutor" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/rusty1968/msgpack-tutor
[INFO] finished tweaking git repo https://github.com/rusty1968/msgpack-tutor
[INFO] tweaked toml for git repo https://github.com/rusty1968/msgpack-tutor written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/rusty1968/msgpack-tutor on toolchain 2aabf3ce0569dd7c8c2d2a27944850056dcf2566
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2aabf3ce0569dd7c8c2d2a27944850056dcf2566" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/rusty1968/msgpack-tutor 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" "+2aabf3ce0569dd7c8c2d2a27944850056dcf2566" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded redox_syscall v0.5.12
[INFO] [stderr]   Downloaded syn v2.0.101
[INFO] [stderr]   Downloaded tokio v1.45.0
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+2aabf3ce0569dd7c8c2d2a27944850056dcf2566" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4b03aedf9c78bbe9ad43562f6e819eb178133b1dd39aa5ad712fa24936ecfe76
[INFO] running `Command { std: "docker" "start" "-a" "4b03aedf9c78bbe9ad43562f6e819eb178133b1dd39aa5ad712fa24936ecfe76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b03aedf9c78bbe9ad43562f6e819eb178133b1dd39aa5ad712fa24936ecfe76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b03aedf9c78bbe9ad43562f6e819eb178133b1dd39aa5ad712fa24936ecfe76", kill_on_drop: false }`
[INFO] [stdout] 4b03aedf9c78bbe9ad43562f6e819eb178133b1dd39aa5ad712fa24936ecfe76
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+2aabf3ce0569dd7c8c2d2a27944850056dcf2566" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 85d2c4cccb0ee2498daa381ca980929916d1e3b72d863351e9cbc0632f10ca4a
[INFO] running `Command { std: "docker" "start" "-a" "85d2c4cccb0ee2498daa381ca980929916d1e3b72d863351e9cbc0632f10ca4a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking smallvec v1.15.0
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking sha2 v0.10.9
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking mio v1.0.3
[INFO] [stderr]     Checking socket2 v0.5.9
[INFO] [stderr]     Checking signal-hook-registry v1.4.5
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]     Checking rmp v0.8.14
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]     Checking tokio v1.45.0
[INFO] [stderr]     Checking serde v1.0.219
[INFO] [stderr]     Checking rmp-serde v1.3.0
[INFO] [stderr]     Checking hash-server-demo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `original` and `hashed` are never read
[INFO] [stdout]   --> src/main.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct HashedMessage {
[INFO] [stdout]    |        ------------- fields in this struct
[INFO] [stdout] 16 |     original: String,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 17 |     hashed: String,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `HashedMessage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `original` and `hashed` are never read
[INFO] [stdout]   --> src/main.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct HashedMessage {
[INFO] [stdout]    |        ------------- fields in this struct
[INFO] [stdout] 16 |     original: String,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 17 |     hashed: String,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `HashedMessage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.27s
[INFO] running `Command { std: "docker" "inspect" "85d2c4cccb0ee2498daa381ca980929916d1e3b72d863351e9cbc0632f10ca4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85d2c4cccb0ee2498daa381ca980929916d1e3b72d863351e9cbc0632f10ca4a", kill_on_drop: false }`
[INFO] [stdout] 85d2c4cccb0ee2498daa381ca980929916d1e3b72d863351e9cbc0632f10ca4a