[INFO] fetching crate bitbit 0.2.0...
[INFO] checking bitbit-0.2.0 against master#b0696a5160711c068cb1f01b7437db7990d15750 for pr-121848
[INFO] extracting crate bitbit 0.2.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate bitbit 0.2.0 on toolchain b0696a5160711c068cb1f01b7437db7990d15750
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bitbit 0.2.0
[INFO] finished tweaking crates.io crate bitbit 0.2.0
[INFO] tweaked toml for crates.io crate bitbit 0.2.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eba47599ccc152d4c356d45215d51ddd43b83a40b81b22aaf2bddf4de73fc467
[INFO] running `Command { std: "docker" "start" "-a" "eba47599ccc152d4c356d45215d51ddd43b83a40b81b22aaf2bddf4de73fc467", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eba47599ccc152d4c356d45215d51ddd43b83a40b81b22aaf2bddf4de73fc467", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eba47599ccc152d4c356d45215d51ddd43b83a40b81b22aaf2bddf4de73fc467", kill_on_drop: false }`
[INFO] [stdout] eba47599ccc152d4c356d45215d51ddd43b83a40b81b22aaf2bddf4de73fc467
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 032a581e9484c0aac72f76b464c202a0dbb4959f1c78336f682272f42635fa02
[INFO] running `Command { std: "docker" "start" "-a" "032a581e9484c0aac72f76b464c202a0dbb4959f1c78336f682272f42635fa02", kill_on_drop: false }`
[INFO] [stderr]     Checking bitbit v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Cursor` is imported redundantly
[INFO] [stdout]    --> src/reader.rs:157:19
[INFO] [stdout]     |
[INFO] [stdout] 157 |     use std::io::{Cursor, ErrorKind};
[INFO] [stdout]     |                   ^^^^^^
[INFO] [stdout] 158 |     use super::*;
[INFO] [stdout]     |         -------- the item `Cursor` is already imported here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ErrorKind` is imported redundantly
[INFO] [stdout]    --> src/reader.rs:157:27
[INFO] [stdout]     |
[INFO] [stdout] 157 |     use std::io::{Cursor, ErrorKind};
[INFO] [stdout]     |                           ^^^^^^^^^
[INFO] [stdout] 158 |     use super::*;
[INFO] [stdout]     |         -------- the item `ErrorKind` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Cursor` is imported redundantly
[INFO] [stdout]    --> src/writer.rs:113:9
[INFO] [stdout]     |
[INFO] [stdout] 113 |     use std::io::Cursor;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 114 |     use super::*;
[INFO] [stdout]     |         -------- the item `Cursor` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] running `Command { std: "docker" "inspect" "032a581e9484c0aac72f76b464c202a0dbb4959f1c78336f682272f42635fa02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "032a581e9484c0aac72f76b464c202a0dbb4959f1c78336f682272f42635fa02", kill_on_drop: false }`
[INFO] [stdout] 032a581e9484c0aac72f76b464c202a0dbb4959f1c78336f682272f42635fa02
