[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] checking stuarth/itsy-bitc against master#f21fbac535ab2c3bc50db20547f4d48477357103 for pr-143193
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstuarth%2Fitsy-bitc" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[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-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/stuarth/itsy-bitc on toolchain f21fbac535ab2c3bc50db20547f4d48477357103
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f21fbac535ab2c3bc50db20547f4d48477357103" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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" "+f21fbac535ab2c3bc50db20547f4d48477357103" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+f21fbac535ab2c3bc50db20547f4d48477357103" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 579edc1a5dfcb99d4fc751f5a7e36857696b1c0e615924227ed1215dde505601
[INFO] running `Command { std: "docker" "start" "-a" "579edc1a5dfcb99d4fc751f5a7e36857696b1c0e615924227ed1215dde505601", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "579edc1a5dfcb99d4fc751f5a7e36857696b1c0e615924227ed1215dde505601", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "579edc1a5dfcb99d4fc751f5a7e36857696b1c0e615924227ed1215dde505601", kill_on_drop: false }`
[INFO] [stdout] 579edc1a5dfcb99d4fc751f5a7e36857696b1c0e615924227ed1215dde505601
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+f21fbac535ab2c3bc50db20547f4d48477357103" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 035404e96964fb93b7c970a0ff057a2bae8ae4b621a490f936b2c32334532d92
[INFO] running `Command { std: "docker" "start" "-a" "035404e96964fb93b7c970a0ff057a2bae8ae4b621a490f936b2c32334532d92", 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]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling anyhow v1.0.44
[INFO] [stderr]     Checking ppv-lite86 v0.2.14
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking cpufeatures v0.2.1
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking sha2 v0.9.8
[INFO] [stderr]     Checking 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] [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 1.65s
[INFO] running `Command { std: "docker" "inspect" "035404e96964fb93b7c970a0ff057a2bae8ae4b621a490f936b2c32334532d92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "035404e96964fb93b7c970a0ff057a2bae8ae4b621a490f936b2c32334532d92", kill_on_drop: false }`
[INFO] [stdout] 035404e96964fb93b7c970a0ff057a2bae8ae4b621a490f936b2c32334532d92