[INFO] fetching crate soprintln 3.2.1...
[INFO] building soprintln-3.2.1 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate soprintln 3.2.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate soprintln 3.2.1
[INFO] finished tweaking crates.io crate soprintln 3.2.1
[INFO] tweaked toml for crates.io crate soprintln 3.2.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate soprintln 3.2.1 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6a8cc0b5bd8959cca2ccb8db6e875327f8f79e599204acdbd44e65439deec05c
[INFO] running `Command { std: "docker" "start" "-a" "6a8cc0b5bd8959cca2ccb8db6e875327f8f79e599204acdbd44e65439deec05c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a8cc0b5bd8959cca2ccb8db6e875327f8f79e599204acdbd44e65439deec05c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a8cc0b5bd8959cca2ccb8db6e875327f8f79e599204acdbd44e65439deec05c", kill_on_drop: false }`
[INFO] [stdout] 6a8cc0b5bd8959cca2ccb8db6e875327f8f79e599204acdbd44e65439deec05c
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 203969104e102219c6c7be8ad8b02d168c8f0a9423203d9b403ef3afa9cec9af
[INFO] running `Command { std: "docker" "start" "-a" "203969104e102219c6c7be8ad8b02d168c8f0a9423203d9b403ef3afa9cec9af", kill_on_drop: false }`
[INFO] [stderr]    Compiling soprintln v3.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "203969104e102219c6c7be8ad8b02d168c8f0a9423203d9b403ef3afa9cec9af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "203969104e102219c6c7be8ad8b02d168c8f0a9423203d9b403ef3afa9cec9af", kill_on_drop: false }`
[INFO] [stdout] 203969104e102219c6c7be8ad8b02d168c8f0a9423203d9b403ef3afa9cec9af
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ae9c82cd983c38e7c345b6887e500be28c43ec68d7037b8b3c80a7a9c12088cb
[INFO] running `Command { std: "docker" "start" "-a" "ae9c82cd983c38e7c345b6887e500be28c43ec68d7037b8b3c80a7a9c12088cb", kill_on_drop: false }`
[INFO] [stderr]    Compiling soprintln v3.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/lib.rs:220:17
[INFO] [stdout]     |
[INFO] [stdout] 220 |             let b = Beacon::new("test", 0x12345678 + i);
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "ae9c82cd983c38e7c345b6887e500be28c43ec68d7037b8b3c80a7a9c12088cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae9c82cd983c38e7c345b6887e500be28c43ec68d7037b8b3c80a7a9c12088cb", kill_on_drop: false }`
[INFO] [stdout] ae9c82cd983c38e7c345b6887e500be28c43ec68d7037b8b3c80a7a9c12088cb