[INFO] fetching crate bytebuilder 0.2.0...
[INFO] checking bytebuilder-0.2.0 against try#a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399 for pr-145770
[INFO] extracting crate bytebuilder 0.2.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate bytebuilder 0.2.0
[INFO] finished tweaking crates.io crate bytebuilder 0.2.0
[INFO] tweaked toml for crates.io crate bytebuilder 0.2.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate bytebuilder 0.2.0 on toolchain a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate bytebuilder 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" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 11764477b89896bf671a5a5d26ece3a8441f2d5846f19a01c41930f67d183730
[INFO] running `Command { std: "docker" "start" "-a" "11764477b89896bf671a5a5d26ece3a8441f2d5846f19a01c41930f67d183730", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "11764477b89896bf671a5a5d26ece3a8441f2d5846f19a01c41930f67d183730", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11764477b89896bf671a5a5d26ece3a8441f2d5846f19a01c41930f67d183730", kill_on_drop: false }`
[INFO] [stdout] 11764477b89896bf671a5a5d26ece3a8441f2d5846f19a01c41930f67d183730
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dcd7d997c63b9d37432bbd5b8726c73e87b414682c1e8f79b80d3ee5646e34d3
[INFO] running `Command { std: "docker" "start" "-a" "dcd7d997c63b9d37432bbd5b8726c73e87b414682c1e8f79b80d3ee5646e34d3", kill_on_drop: false }`
[INFO] [stderr]     Checking bytebuilder v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `reader::ByteReader`
[INFO] [stdout]  --> src/lib.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use reader::ByteReader;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `reader::ByteReader`
[INFO] [stdout]  --> src/traits.rs:1:38
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{bits::reader::BitReader, reader::ByteReader};
[INFO] [stdout]   |                                      ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `reader::ByteReader`
[INFO] [stdout]  --> src/traits.rs:1:38
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{bits::reader::BitReader, reader::ByteReader};
[INFO] [stdout]   |                                      ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `S` is never constructed
[INFO] [stdout]    --> src/lib.rs:128:8
[INFO] [stdout]     |
[INFO] [stdout] 128 | struct S {
[INFO] [stdout]     |        ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "dcd7d997c63b9d37432bbd5b8726c73e87b414682c1e8f79b80d3ee5646e34d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcd7d997c63b9d37432bbd5b8726c73e87b414682c1e8f79b80d3ee5646e34d3", kill_on_drop: false }`
[INFO] [stdout] dcd7d997c63b9d37432bbd5b8726c73e87b414682c1e8f79b80d3ee5646e34d3
