[INFO] fetching crate tiny-varint 0.2.0...
[INFO] building tiny-varint-0.2.0 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate tiny-varint 0.2.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate tiny-varint 0.2.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate tiny-varint 0.2.0
[INFO] tweaked toml for crates.io crate tiny-varint 0.2.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tiny-varint 0.2.0 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] crate crates.io crate tiny-varint 0.2.0 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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] c8b1f58eaf60112e07aae45b8407177403d68f51528572a8e0f82adc580acb40
[INFO] running `Command { std: "docker" "start" "-a" "c8b1f58eaf60112e07aae45b8407177403d68f51528572a8e0f82adc580acb40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c8b1f58eaf60112e07aae45b8407177403d68f51528572a8e0f82adc580acb40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8b1f58eaf60112e07aae45b8407177403d68f51528572a8e0f82adc580acb40", kill_on_drop: false }`
[INFO] [stdout] c8b1f58eaf60112e07aae45b8407177403d68f51528572a8e0f82adc580acb40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 344078bc2b7f541b93b7ffc74288151e6221f58547ff7d24efe40d6fc190af30
[INFO] running `Command { std: "docker" "start" "-a" "344078bc2b7f541b93b7ffc74288151e6221f58547ff7d24efe40d6fc190af30", kill_on_drop: false }`
[INFO] [stderr]    Compiling zigzag-rs v0.2.1
[INFO] [stderr]    Compiling tiny-varint v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "344078bc2b7f541b93b7ffc74288151e6221f58547ff7d24efe40d6fc190af30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "344078bc2b7f541b93b7ffc74288151e6221f58547ff7d24efe40d6fc190af30", kill_on_drop: false }`
[INFO] [stdout] 344078bc2b7f541b93b7ffc74288151e6221f58547ff7d24efe40d6fc190af30
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 07bde831e938681b234c888624c0a40c44aa66cbdeaa676e3d0aea719cf30387
[INFO] running `Command { std: "docker" "start" "-a" "07bde831e938681b234c888624c0a40c44aa66cbdeaa676e3d0aea719cf30387", kill_on_drop: false }`
[INFO] [stderr]    Compiling tiny-varint v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/value.rs:399:17
[INFO] [stdout]     |
[INFO] [stdout] 399 |             let mut dummy_buffer = [type_id, 0, 0, 0, 0]; // Just need the type byte
[INFO] [stdout]     |                 ----^^^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.16s
[INFO] running `Command { std: "docker" "inspect" "07bde831e938681b234c888624c0a40c44aa66cbdeaa676e3d0aea719cf30387", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07bde831e938681b234c888624c0a40c44aa66cbdeaa676e3d0aea719cf30387", kill_on_drop: false }`
[INFO] [stdout] 07bde831e938681b234c888624c0a40c44aa66cbdeaa676e3d0aea719cf30387