[INFO] cloning repository https://github.com/hibiscus-software/s7-protocol
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hibiscus-software/s7-protocol" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhibiscus-software%2Fs7-protocol", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhibiscus-software%2Fs7-protocol'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhibiscus-software%2Fs7-protocol: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 1)
[INFO] cloning repository https://github.com/hibiscus-software/s7-protocol
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hibiscus-software/s7-protocol" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhibiscus-software%2Fs7-protocol", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhibiscus-software%2Fs7-protocol'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhibiscus-software%2Fs7-protocol: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 2)
[INFO] cloning repository https://github.com/hibiscus-software/s7-protocol
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hibiscus-software/s7-protocol" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhibiscus-software%2Fs7-protocol", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhibiscus-software%2Fs7-protocol'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhibiscus-software%2Fs7-protocol: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 3)
[INFO] cloning repository https://github.com/hibiscus-software/s7-protocol
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hibiscus-software/s7-protocol" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhibiscus-software%2Fs7-protocol", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhibiscus-software%2Fs7-protocol'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhibiscus-software%2Fs7-protocol: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 4)
[INFO] cloning repository https://github.com/hibiscus-software/s7-protocol
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hibiscus-software/s7-protocol" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhibiscus-software%2Fs7-protocol", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhibiscus-software%2Fs7-protocol'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhibiscus-software%2Fs7-protocol: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 5)
[INFO] cloning repository https://github.com/hibiscus-software/s7-protocol
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hibiscus-software/s7-protocol" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhibiscus-software%2Fs7-protocol", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhibiscus-software%2Fs7-protocol'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhibiscus-software%2Fs7-protocol: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 6)
[INFO] cloning repository https://github.com/hibiscus-software/s7-protocol
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hibiscus-software/s7-protocol" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhibiscus-software%2Fs7-protocol", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhibiscus-software%2Fs7-protocol'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhibiscus-software%2Fs7-protocol: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 7)
[INFO] cloning repository https://github.com/hibiscus-software/s7-protocol
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hibiscus-software/s7-protocol" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhibiscus-software%2Fs7-protocol", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhibiscus-software%2Fs7-protocol'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhibiscus-software%2Fs7-protocol: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 8)
[INFO] cloning repository https://github.com/hibiscus-software/s7-protocol
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hibiscus-software/s7-protocol" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhibiscus-software%2Fs7-protocol", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhibiscus-software%2Fs7-protocol'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhibiscus-software%2Fs7-protocol: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 9)
[INFO] cloning repository https://github.com/hibiscus-software/s7-protocol
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hibiscus-software/s7-protocol" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhibiscus-software%2Fs7-protocol", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhibiscus-software%2Fs7-protocol'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhibiscus-software%2Fs7-protocol: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 10)
[INFO] cloning repository https://github.com/hibiscus-software/s7-protocol
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hibiscus-software/s7-protocol" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhibiscus-software%2Fs7-protocol", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhibiscus-software%2Fs7-protocol'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhibiscus-software%2Fs7-protocol: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 11)
[INFO] cloning repository https://github.com/hibiscus-software/s7-protocol
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hibiscus-software/s7-protocol" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhibiscus-software%2Fs7-protocol", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhibiscus-software%2Fs7-protocol'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhibiscus-software%2Fs7-protocol: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 12)
[INFO] cloning repository https://github.com/hibiscus-software/s7-protocol
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hibiscus-software/s7-protocol" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhibiscus-software%2Fs7-protocol", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhibiscus-software%2Fs7-protocol'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhibiscus-software%2Fs7-protocol: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 13)
[INFO] cloning repository https://github.com/hibiscus-software/s7-protocol
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hibiscus-software/s7-protocol" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhibiscus-software%2Fs7-protocol", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhibiscus-software%2Fs7-protocol'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhibiscus-software%2Fs7-protocol: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 14)
[INFO] cloning repository https://github.com/hibiscus-software/s7-protocol
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hibiscus-software/s7-protocol" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhibiscus-software%2Fs7-protocol", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhibiscus-software%2Fs7-protocol'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6c095a9e36f6e950c18685a23d6e3fd9196748f7
[INFO] checking hibiscus-software/s7-protocol against master#4847d6a9d07d4be9ba3196f6ad444af2d7bdde72 for pr-134272
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhibiscus-software%2Fs7-protocol" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hibiscus-software/s7-protocol on toolchain 4847d6a9d07d4be9ba3196f6ad444af2d7bdde72
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4847d6a9d07d4be9ba3196f6ad444af2d7bdde72" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hibiscus-software/s7-protocol
[INFO] finished tweaking git repo https://github.com/hibiscus-software/s7-protocol
[INFO] tweaked toml for git repo https://github.com/hibiscus-software/s7-protocol written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/hibiscus-software/s7-protocol 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" "+4847d6a9d07d4be9ba3196f6ad444af2d7bdde72" "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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+4847d6a9d07d4be9ba3196f6ad444af2d7bdde72" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fc1c9e7c75c0375de4dcead3cb210c5972ec894ec24f199ac87227bd4ee23079
[INFO] running `Command { std: "docker" "start" "-a" "fc1c9e7c75c0375de4dcead3cb210c5972ec894ec24f199ac87227bd4ee23079", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc1c9e7c75c0375de4dcead3cb210c5972ec894ec24f199ac87227bd4ee23079", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc1c9e7c75c0375de4dcead3cb210c5972ec894ec24f199ac87227bd4ee23079", kill_on_drop: false }`
[INFO] [stdout] fc1c9e7c75c0375de4dcead3cb210c5972ec894ec24f199ac87227bd4ee23079
[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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+4847d6a9d07d4be9ba3196f6ad444af2d7bdde72" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8726b96f97ce320a8a90fe27d80485d2ed63afa890f9d8a1f928c85ef78fc262
[INFO] running `Command { std: "docker" "start" "-a" "8726b96f97ce320a8a90fe27d80485d2ed63afa890f9d8a1f928c85ef78fc262", kill_on_drop: false }`
[INFO] [stderr]     Checking s7-protocol v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `Transport` is never used
[INFO] [stdout]  --> src/client/transport.rs:8:11
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub trait Transport {
[INFO] [stdout]   |           ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Connection` is never constructed
[INFO] [stdout]  --> src/error.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub enum Error {
[INFO] [stdout]   |          ----- variant in this enum
[INFO] [stdout] 9 |     Connection(String),
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Transport` is never used
[INFO] [stdout]  --> src/client/transport.rs:8:11
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub trait Transport {
[INFO] [stdout]   |           ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Connection` is never constructed
[INFO] [stdout]  --> src/error.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub enum Error {
[INFO] [stdout]   |          ----- variant in this enum
[INFO] [stdout] 9 |     Connection(String),
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] running `Command { std: "docker" "inspect" "8726b96f97ce320a8a90fe27d80485d2ed63afa890f9d8a1f928c85ef78fc262", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8726b96f97ce320a8a90fe27d80485d2ed63afa890f9d8a1f928c85ef78fc262", kill_on_drop: false }`
[INFO] [stdout] 8726b96f97ce320a8a90fe27d80485d2ed63afa890f9d8a1f928c85ef78fc262