[INFO] fetching crate riff 0.1.1...
[INFO] checking riff-0.1.1 against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] extracting crate riff 0.1.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate riff 0.1.1 on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate riff 0.1.1
[INFO] finished tweaking crates.io crate riff 0.1.1
[INFO] tweaked toml for crates.io crate riff 0.1.1 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a0b8ebbc60da142b5c9a63e0774aa1626a52d3b7eed13e36b29f8ed1889a3bc8
[INFO] running `"docker" "start" "-a" "a0b8ebbc60da142b5c9a63e0774aa1626a52d3b7eed13e36b29f8ed1889a3bc8"`
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking riff v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:233:25
[INFO] [stderr]     |
[INFO] [stderr] 233 | fn read_id(reader: &mut Read) -> io::Result<ChunkId> {
[INFO] [stderr]     |                         ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:239:29
[INFO] [stderr]     |
[INFO] [stderr] 239 | fn read_header(reader: &mut Read) -> io::Result<(ChunkId, u32)> {
[INFO] [stderr]     |                             ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:266:32
[INFO] [stderr]     |
[INFO] [stderr] 266 | pub fn read_chunk(reader: &mut Read) -> io::Result<(Chunk, u32)> {
[INFO] [stderr]     |                                ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:318:33
[INFO] [stderr]     |
[INFO] [stderr] 318 | pub fn write_chunk(writer: &mut Write, chunk: &Chunk) -> io::Result<()> {
[INFO] [stderr]     |                                 ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:233:25
[INFO] [stderr]     |
[INFO] [stderr] 233 | fn read_id(reader: &mut Read) -> io::Result<ChunkId> {
[INFO] [stderr]     |                         ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:239:29
[INFO] [stderr]     |
[INFO] [stderr] 239 | fn read_header(reader: &mut Read) -> io::Result<(ChunkId, u32)> {
[INFO] [stderr]     |                             ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:266:32
[INFO] [stderr]     |
[INFO] [stderr] 266 | pub fn read_chunk(reader: &mut Read) -> io::Result<(Chunk, u32)> {
[INFO] [stderr]     |                                ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:318:33
[INFO] [stderr]     |
[INFO] [stderr] 318 | pub fn write_chunk(writer: &mut Write, chunk: &Chunk) -> io::Result<()> {
[INFO] [stderr]     |                                 ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.44s
[INFO] running `"docker" "inspect" "a0b8ebbc60da142b5c9a63e0774aa1626a52d3b7eed13e36b29f8ed1889a3bc8"`
[INFO] running `"docker" "rm" "-f" "a0b8ebbc60da142b5c9a63e0774aa1626a52d3b7eed13e36b29f8ed1889a3bc8"`
[INFO] [stdout] a0b8ebbc60da142b5c9a63e0774aa1626a52d3b7eed13e36b29f8ed1889a3bc8