[INFO] fetching crate bytes 1.1.0...
[INFO] checking bytes-1.1.0 against master#a09c668c965f735f4cd59e7158662b9daa0b71ba for pr-98370
[INFO] extracting crate bytes 1.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate bytes 1.1.0 on toolchain a09c668c965f735f4cd59e7158662b9daa0b71ba
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a09c668c965f735f4cd59e7158662b9daa0b71ba" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bytes 1.1.0
[INFO] finished tweaking crates.io crate bytes 1.1.0
[INFO] tweaked toml for crates.io crate bytes 1.1.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a09c668c965f735f4cd59e7158662b9daa0b71ba" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a09c668c965f735f4cd59e7158662b9daa0b71ba" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded once_cell v1.12.0
[INFO] [stderr]   Downloaded serde v1.0.137
[INFO] [stderr]   Downloaded lazy_static v1.4.0
[INFO] [stderr]   Downloaded log v0.4.17
[INFO] [stderr]   Downloaded tracing-attributes v0.1.21
[INFO] [stderr]   Downloaded syn v1.0.98
[INFO] [stderr]   Downloaded generator v0.7.0
[INFO] [stderr]   Downloaded scoped-tls v1.0.0
[INFO] [stderr]   Downloaded smallvec v1.8.0
[INFO] [stderr]   Downloaded matchers v0.1.0
[INFO] [stderr]   Downloaded pin-project-lite v0.2.9
[INFO] [stderr]   Downloaded regex-automata v0.1.10
[INFO] [stderr]   Downloaded regex-syntax v0.6.26
[INFO] [stderr]   Downloaded proc-macro2 v1.0.40
[INFO] [stderr]   Downloaded cc v1.0.73
[INFO] [stderr]   Downloaded rustversion v1.0.7
[INFO] [stderr]   Downloaded valuable v0.1.0
[INFO] [stderr]   Downloaded tracing-core v0.1.27
[INFO] [stderr]   Downloaded libc v0.2.126
[INFO] [stderr]   Downloaded tracing v0.1.35
[INFO] [stderr]   Downloaded tracing-subscriber v0.3.11
[INFO] [stderr]   Downloaded loom v0.5.6
[INFO] [stderr]   Downloaded tracing-log v0.1.3
[INFO] [stderr]   Downloaded ansi_term v0.12.1
[INFO] [stderr]   Downloaded regex v1.5.6
[INFO] [stderr]   Downloaded unicode-ident v1.0.1
[INFO] [stderr]   Downloaded quote v1.0.20
[INFO] [stderr]   Downloaded serde_test v1.0.137
[INFO] [stderr]   Downloaded sharded-slab v0.1.4
[INFO] [stderr]   Downloaded thread_local v1.1.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+a09c668c965f735f4cd59e7158662b9daa0b71ba" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bb9c97f5666210bdb5ed1e49d4ccaea9d0525eae4c36795537249f946c3c27ac
[INFO] running `Command { std: "docker" "start" "-a" "bb9c97f5666210bdb5ed1e49d4ccaea9d0525eae4c36795537249f946c3c27ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb9c97f5666210bdb5ed1e49d4ccaea9d0525eae4c36795537249f946c3c27ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb9c97f5666210bdb5ed1e49d4ccaea9d0525eae4c36795537249f946c3c27ac", kill_on_drop: false }`
[INFO] [stdout] bb9c97f5666210bdb5ed1e49d4ccaea9d0525eae4c36795537249f946c3c27ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+a09c668c965f735f4cd59e7158662b9daa0b71ba" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1811241f6d721cc76ee992a084b7825332e45001de20db2402373ae8df48888d
[INFO] running `Command { std: "docker" "start" "-a" "1811241f6d721cc76ee992a084b7825332e45001de20db2402373ae8df48888d", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling serde_test v1.0.137
[INFO] [stderr]     Checking bytes v1.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `core::slice::<impl [T]>::as_ptr` that must be used
[INFO] [stdout]    --> tests/test_bytes.rs:414:5
[INFO] [stdout]     |
[INFO] [stdout] 414 |     bytes.as_ptr();
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `core::slice::<impl [T]>::as_mut_ptr` that must be used
[INFO] [stdout]    --> tests/test_bytes.rs:415:5
[INFO] [stdout]     |
[INFO] [stdout] 415 |     bytes.as_mut_ptr();
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.38s
[INFO] running `Command { std: "docker" "inspect" "1811241f6d721cc76ee992a084b7825332e45001de20db2402373ae8df48888d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1811241f6d721cc76ee992a084b7825332e45001de20db2402373ae8df48888d", kill_on_drop: false }`
[INFO] [stdout] 1811241f6d721cc76ee992a084b7825332e45001de20db2402373ae8df48888d