[INFO] fetching crate rc_bytes 0.1.1...
[INFO] building rc_bytes-0.1.1 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate rc_bytes 0.1.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate rc_bytes 0.1.1
[INFO] finished tweaking crates.io crate rc_bytes 0.1.1
[INFO] tweaked toml for crates.io crate rc_bytes 0.1.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rc_bytes 0.1.1 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] crate crates.io crate rc_bytes 0.1.1 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" "+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] a1a632a4cdafc73862c6b50ecfc77cf9649bc9279876f4c42f151201eb5cb261
[INFO] running `Command { std: "docker" "start" "-a" "a1a632a4cdafc73862c6b50ecfc77cf9649bc9279876f4c42f151201eb5cb261", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a1a632a4cdafc73862c6b50ecfc77cf9649bc9279876f4c42f151201eb5cb261", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1a632a4cdafc73862c6b50ecfc77cf9649bc9279876f4c42f151201eb5cb261", kill_on_drop: false }`
[INFO] [stdout] a1a632a4cdafc73862c6b50ecfc77cf9649bc9279876f4c42f151201eb5cb261
[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] e12daef14dafb06a4599a1c42095dd2c9dbb3b4d06f6b7726baae7277921c0bb
[INFO] running `Command { std: "docker" "start" "-a" "e12daef14dafb06a4599a1c42095dd2c9dbb3b4d06f6b7726baae7277921c0bb", kill_on_drop: false }`
[INFO] [stderr]    Compiling rc_bytes v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "e12daef14dafb06a4599a1c42095dd2c9dbb3b4d06f6b7726baae7277921c0bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e12daef14dafb06a4599a1c42095dd2c9dbb3b4d06f6b7726baae7277921c0bb", kill_on_drop: false }`
[INFO] [stdout] e12daef14dafb06a4599a1c42095dd2c9dbb3b4d06f6b7726baae7277921c0bb
[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] 6845356ce50919f21f115f2ec0015bd83b5b804b0b6d8123c07cc062454b205d
[INFO] running `Command { std: "docker" "start" "-a" "6845356ce50919f21f115f2ec0015bd83b5b804b0b6d8123c07cc062454b205d", kill_on_drop: false }`
[INFO] [stderr]    Compiling rc_bytes v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `u16be`
[INFO] [stdout]   --> src/lib.rs:33:13
[INFO] [stdout]    |
[INFO] [stdout] 33 |         let u16be = u16.to_be_bytes();
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_u16be`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i16le`
[INFO] [stdout]   --> src/lib.rs:35:13
[INFO] [stdout]    |
[INFO] [stdout] 35 |         let i16le = i16.to_le_bytes();
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_i16le`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i16be`
[INFO] [stdout]   --> src/lib.rs:36:13
[INFO] [stdout]    |
[INFO] [stdout] 36 |         let i16be = i16.to_be_bytes();
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_i16be`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "6845356ce50919f21f115f2ec0015bd83b5b804b0b6d8123c07cc062454b205d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6845356ce50919f21f115f2ec0015bd83b5b804b0b6d8123c07cc062454b205d", kill_on_drop: false }`
[INFO] [stdout] 6845356ce50919f21f115f2ec0015bd83b5b804b0b6d8123c07cc062454b205d
