[INFO] cloning repository https://github.com/stuarth/itsy-bitc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/stuarth/itsy-bitc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstuarth%2Fitsy-bitc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstuarth%2Fitsy-bitc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] efb43f35542dc5e3ca446ef83ac263874608c102
[INFO] building stuarth/itsy-bitc against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstuarth%2Fitsy-bitc" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/stuarth/itsy-bitc on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/stuarth/itsy-bitc
[INFO] finished tweaking git repo https://github.com/stuarth/itsy-bitc
[INFO] tweaked toml for git repo https://github.com/stuarth/itsy-bitc written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/stuarth/itsy-bitc 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f49b5c1f5118bc3c4d2042a467592ed6ab47b626ede0c44b8284092ec610ee33
[INFO] running `Command { std: "docker" "start" "-a" "f49b5c1f5118bc3c4d2042a467592ed6ab47b626ede0c44b8284092ec610ee33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f49b5c1f5118bc3c4d2042a467592ed6ab47b626ede0c44b8284092ec610ee33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f49b5c1f5118bc3c4d2042a467592ed6ab47b626ede0c44b8284092ec610ee33", kill_on_drop: false }`
[INFO] [stdout] f49b5c1f5118bc3c4d2042a467592ed6ab47b626ede0c44b8284092ec610ee33
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d5b37ff348709a3670f3875d87497976e5be80a78764bb1828bbdf4f2f85fa65
[INFO] running `Command { std: "docker" "start" "-a" "d5b37ff348709a3670f3875d87497976e5be80a78764bb1828bbdf4f2f85fa65", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.104
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.14
[INFO] [stderr]    Compiling anyhow v1.0.44
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling cpufeatures v0.2.1
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling sha2 v0.9.8
[INFO] [stderr]    Compiling itsy-bitc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `port` and `nonces` are never read
[INFO] [stdout]   --> src/lib.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout] 7  | pub struct Network {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 8  |     magic: u32,
[INFO] [stdout] 9  |     port: u16,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 10 |     nonces: HashSet<u64>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Network` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.03s
[INFO] running `Command { std: "docker" "inspect" "d5b37ff348709a3670f3875d87497976e5be80a78764bb1828bbdf4f2f85fa65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5b37ff348709a3670f3875d87497976e5be80a78764bb1828bbdf4f2f85fa65", kill_on_drop: false }`
[INFO] [stdout] d5b37ff348709a3670f3875d87497976e5be80a78764bb1828bbdf4f2f85fa65
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 776a79cd1eda1917afed632721452e949f50bb722d2f04c17ef157aed7a3d08c
[INFO] running `Command { std: "docker" "start" "-a" "776a79cd1eda1917afed632721452e949f50bb722d2f04c17ef157aed7a3d08c", kill_on_drop: false }`
[INFO] [stdout] warning: fields `port` and `nonces` are never read
[INFO] [stdout]   --> src/lib.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout] 7  | pub struct Network {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 8  |     magic: u32,
[INFO] [stdout] 9  |     port: u16,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 10 |     nonces: HashSet<u64>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Network` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling itsy-bitc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `port` and `nonces` are never read
[INFO] [stdout]   --> src/lib.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout] 7  | pub struct Network {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 8  |     magic: u32,
[INFO] [stdout] 9  |     port: u16,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 10 |     nonces: HashSet<u64>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Network` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "776a79cd1eda1917afed632721452e949f50bb722d2f04c17ef157aed7a3d08c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "776a79cd1eda1917afed632721452e949f50bb722d2f04c17ef157aed7a3d08c", kill_on_drop: false }`
[INFO] [stdout] 776a79cd1eda1917afed632721452e949f50bb722d2f04c17ef157aed7a3d08c