[INFO] fetching crate cargo-pi 0.1.0...
[INFO] checking cargo-pi-0.1.0 against try#1463461488056994d1b84e8b752e7c11c7fae7aa for pr-154205
[INFO] extracting crate cargo-pi 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate cargo-pi 0.1.0
[INFO] finished tweaking crates.io crate cargo-pi 0.1.0
[INFO] tweaked toml for crates.io crate cargo-pi 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate cargo-pi 0.1.0 on toolchain 1463461488056994d1b84e8b752e7c11c7fae7aa
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1463461488056994d1b84e8b752e7c11c7fae7aa" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate cargo-pi 0.1.0 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" "+1463461488056994d1b84e8b752e7c11c7fae7aa" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+1463461488056994d1b84e8b752e7c11c7fae7aa" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 257024d2177e6fa69dfb0d9394a59dd884d3b575b44ac76d5c5f44815708204c
[INFO] running `Command { std: "docker" "start" "-a" "257024d2177e6fa69dfb0d9394a59dd884d3b575b44ac76d5c5f44815708204c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "257024d2177e6fa69dfb0d9394a59dd884d3b575b44ac76d5c5f44815708204c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "257024d2177e6fa69dfb0d9394a59dd884d3b575b44ac76d5c5f44815708204c", kill_on_drop: false }`
[INFO] [stdout] 257024d2177e6fa69dfb0d9394a59dd884d3b575b44ac76d5c5f44815708204c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+1463461488056994d1b84e8b752e7c11c7fae7aa" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b17bd7fb39b955824a774b223eb5951c43cea3508ba84dac362b81db732c98fc
[INFO] running `Command { std: "docker" "start" "-a" "b17bd7fb39b955824a774b223eb5951c43cea3508ba84dac362b81db732c98fc", kill_on_drop: false }`
[INFO] [stderr]     Checking cargo-pi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] [FMTARGS] {"crate":"cargo_pi","p":1,"ph":0,"wa":0,"pa":0,"a":0,"pos":0,"named":0,"cap":0,"ucap":0,"dup":0,"const":0,"constparam":0,"other_dup":0,"d2":0,"d3":0,"d4p":0,"deduped":0,"remaining":0,"a_old":0,"a_opt":0,"sz_no_dedup":0,"sz_old":0,"sz_opt":0}
[INFO] [stdout] warning: struct `Pi` is never constructed
[INFO] [stdout]  --> src/pi_manager.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Pi {
[INFO] [stdout]   |            ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/pi_manager.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl Pi {
[INFO] [stdout]    | ------- associated function in this implementation
[INFO] [stdout] 13 |     pub fn new<S: AsRef<str>>(name: S, ip: Ipv4Addr, default_dir: Option<PathBuf>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] [FMTARGS] {"crate":"cargo_pi","p":1,"ph":0,"wa":0,"pa":0,"a":0,"pos":0,"named":0,"cap":0,"ucap":0,"dup":0,"const":0,"constparam":0,"other_dup":0,"d2":0,"d3":0,"d4p":0,"deduped":0,"remaining":0,"a_old":0,"a_opt":0,"sz_no_dedup":0,"sz_old":0,"sz_opt":0}
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "b17bd7fb39b955824a774b223eb5951c43cea3508ba84dac362b81db732c98fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b17bd7fb39b955824a774b223eb5951c43cea3508ba84dac362b81db732c98fc", kill_on_drop: false }`
[INFO] [stdout] b17bd7fb39b955824a774b223eb5951c43cea3508ba84dac362b81db732c98fc