[INFO] fetching crate stackdriver_logger_kv 0.7.3...
[INFO] building stackdriver_logger_kv-0.7.3 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate stackdriver_logger_kv 0.7.3 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate stackdriver_logger_kv 0.7.3
[INFO] finished tweaking crates.io crate stackdriver_logger_kv 0.7.3
[INFO] tweaked toml for crates.io crate stackdriver_logger_kv 0.7.3 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate stackdriver_logger_kv 0.7.3 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 57 packages to latest compatible versions
[INFO] [stderr]       Adding env_logger v0.7.1 (available: v0.11.8)
[INFO] [stderr]       Adding pretty_env_logger v0.4.0 (available: v0.5.0)
[INFO] [stderr]       Adding toml v0.5.11 (available: v0.9.7)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ccf0170fcebaede0abebedf23b87d53092ae560ba20f6b24c96c15ce2d439eaa
[INFO] running `Command { std: "docker" "start" "-a" "ccf0170fcebaede0abebedf23b87d53092ae560ba20f6b24c96c15ce2d439eaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ccf0170fcebaede0abebedf23b87d53092ae560ba20f6b24c96c15ce2d439eaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccf0170fcebaede0abebedf23b87d53092ae560ba20f6b24c96c15ce2d439eaa", kill_on_drop: false }`
[INFO] [stdout] ccf0170fcebaede0abebedf23b87d53092ae560ba20f6b24c96c15ce2d439eaa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d2e1b33aafa2046a11d4a76a2c8ef5743283e3d4a0f6e44929e0d25a18db7210
[INFO] running `Command { std: "docker" "start" "-a" "d2e1b33aafa2046a11d4a76a2c8ef5743283e3d4a0f6e44929e0d25a18db7210", kill_on_drop: false }`
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling chrono v0.4.42
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling toml v0.5.11
[INFO] [stderr]    Compiling pretty_env_logger v0.4.0
[INFO] [stderr]    Compiling stackdriver_logger_kv v0.7.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `LogLevel` is never constructed
[INFO] [stdout]   --> src/lib.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | struct LogLevel(Level);
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.64s
[INFO] running `Command { std: "docker" "inspect" "d2e1b33aafa2046a11d4a76a2c8ef5743283e3d4a0f6e44929e0d25a18db7210", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2e1b33aafa2046a11d4a76a2c8ef5743283e3d4a0f6e44929e0d25a18db7210", kill_on_drop: false }`
[INFO] [stdout] d2e1b33aafa2046a11d4a76a2c8ef5743283e3d4a0f6e44929e0d25a18db7210
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cdac9f3155f5aa8a712a1eac1180fc97599aa62eb05daf091e21ec2b4896c7c6
[INFO] running `Command { std: "docker" "start" "-a" "cdac9f3155f5aa8a712a1eac1180fc97599aa62eb05daf091e21ec2b4896c7c6", kill_on_drop: false }`
[INFO] [stderr]    Compiling stackdriver_logger_kv v0.7.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `LogLevel` is never constructed
[INFO] [stdout]   --> src/lib.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | struct LogLevel(Level);
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "cdac9f3155f5aa8a712a1eac1180fc97599aa62eb05daf091e21ec2b4896c7c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdac9f3155f5aa8a712a1eac1180fc97599aa62eb05daf091e21ec2b4896c7c6", kill_on_drop: false }`
[INFO] [stdout] cdac9f3155f5aa8a712a1eac1180fc97599aa62eb05daf091e21ec2b4896c7c6