[INFO] fetching crate git-perf 0.15.5...
[INFO] checking git-perf-0.15.5 against try#de0e80659cee4f27282e60d63bbb8c5271a0d147 for pr-129392
[INFO] extracting crate git-perf 0.15.5 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate git-perf 0.15.5 on toolchain de0e80659cee4f27282e60d63bbb8c5271a0d147
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+de0e80659cee4f27282e60d63bbb8c5271a0d147" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate git-perf 0.15.5
[INFO] finished tweaking crates.io crate git-perf 0.15.5
[INFO] tweaked toml for crates.io crate git-perf 0.15.5 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate crates.io crate git-perf 0.15.5 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" "+de0e80659cee4f27282e60d63bbb8c5271a0d147" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+de0e80659cee4f27282e60d63bbb8c5271a0d147" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f20f9bf52e9b42914a2c86eec12e44212ac06807a5afd275bab146b54d4beab0
[INFO] running `Command { std: "docker" "start" "-a" "f20f9bf52e9b42914a2c86eec12e44212ac06807a5afd275bab146b54d4beab0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f20f9bf52e9b42914a2c86eec12e44212ac06807a5afd275bab146b54d4beab0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f20f9bf52e9b42914a2c86eec12e44212ac06807a5afd275bab146b54d4beab0", kill_on_drop: false }`
[INFO] [stdout] f20f9bf52e9b42914a2c86eec12e44212ac06807a5afd275bab146b54d4beab0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+de0e80659cee4f27282e60d63bbb8c5271a0d147" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef1d73c790c23623687de106aa5464a6ffb0bccdb7b5b8bdfdbb3db3ab984fa9
[INFO] running `Command { std: "docker" "start" "-a" "ef1d73c790c23623687de106aa5464a6ffb0bccdb7b5b8bdfdbb3db3ab984fa9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
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[INFO] [stderr]     Checking httptest v0.15.5
[INFO] [stderr]     Checking git-perf v0.15.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `SerializeMeasurementData` is never constructed
[INFO] [stdout]   --> src/serialization.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct SerializeMeasurementData<'a> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SerializeMeasurementData` is never constructed
[INFO] [stdout]   --> src/serialization.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct SerializeMeasurementData<'a> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 40.00s
[INFO] running `Command { std: "docker" "inspect" "ef1d73c790c23623687de106aa5464a6ffb0bccdb7b5b8bdfdbb3db3ab984fa9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef1d73c790c23623687de106aa5464a6ffb0bccdb7b5b8bdfdbb3db3ab984fa9", kill_on_drop: false }`
[INFO] [stdout] ef1d73c790c23623687de106aa5464a6ffb0bccdb7b5b8bdfdbb3db3ab984fa9