[INFO] fetching crate bytebuilder 0.2.0...
[INFO] checking bytebuilder-0.2.0 against master#82310651b93a594a3fd69015e1562186a080d94c for pr-145770
[INFO] extracting crate bytebuilder 0.2.0 into /workspace/builds/worker-2-tc1/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-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate bytebuilder 0.2.0 on toolchain 82310651b93a594a3fd69015e1562186a080d94c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+82310651b93a594a3fd69015e1562186a080d94c" "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" "+82310651b93a594a3fd69015e1562186a080d94c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "+82310651b93a594a3fd69015e1562186a080d94c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f26fdd1e56f238ead136560f886b3600a3c5fcd7dafe81b3bff92b14bfabb5ac
[INFO] running `Command { std: "docker" "start" "-a" "f26fdd1e56f238ead136560f886b3600a3c5fcd7dafe81b3bff92b14bfabb5ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f26fdd1e56f238ead136560f886b3600a3c5fcd7dafe81b3bff92b14bfabb5ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f26fdd1e56f238ead136560f886b3600a3c5fcd7dafe81b3bff92b14bfabb5ac", kill_on_drop: false }`
[INFO] [stdout] f26fdd1e56f238ead136560f886b3600a3c5fcd7dafe81b3bff92b14bfabb5ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "+82310651b93a594a3fd69015e1562186a080d94c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] be74b7d1fb42c578a1db92b466ed4674eb766dc0af3deeb27a24543c691a9ec9
[INFO] running `Command { std: "docker" "start" "-a" "be74b7d1fb42c578a1db92b466ed4674eb766dc0af3deeb27a24543c691a9ec9", kill_on_drop: false }`
[INFO] [stderr]     Checking bytebuilder v0.2.0 (/opt/rustwide/workdir)
[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: 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: 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 0.18s
[INFO] running `Command { std: "docker" "inspect" "be74b7d1fb42c578a1db92b466ed4674eb766dc0af3deeb27a24543c691a9ec9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be74b7d1fb42c578a1db92b466ed4674eb766dc0af3deeb27a24543c691a9ec9", kill_on_drop: false }`
[INFO] [stdout] be74b7d1fb42c578a1db92b466ed4674eb766dc0af3deeb27a24543c691a9ec9
