[INFO] fetching crate pretty-good 0.2.2...
[INFO] checking pretty-good-0.2.2 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] extracting crate pretty-good 0.2.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate pretty-good 0.2.2 on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate pretty-good 0.2.2
[INFO] finished tweaking crates.io crate pretty-good 0.2.2
[INFO] tweaked toml for crates.io crate pretty-good 0.2.2 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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] 7760f80187e363683ed15806720eb93842317a3b53bae8db22f5420f42c7a3da
[INFO] running `"docker" "start" "-a" "7760f80187e363683ed15806720eb93842317a3b53bae8db22f5420f42c7a3da"`
[INFO] [stderr]     Checking bit-vec v0.4.4
[INFO] [stderr]    Compiling bzip2-sys v0.1.7
[INFO] [stderr]     Checking backtrace-sys v0.1.32
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking ripemd160 v0.7.0
[INFO] [stderr]     Checking md-5 v0.7.0
[INFO] [stderr]     Checking sha-1 v0.7.0
[INFO] [stderr]     Checking backtrace v0.3.40
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking bzip2 v0.3.3
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking yasna v0.1.3
[INFO] [stderr]     Checking pretty-good v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/compression.rs:90:31
[INFO] [stderr]    |
[INFO] [stderr] 90 |         let mut deflater: Box<Read> = match self {
[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/compression.rs:90:31
[INFO] [stderr]    |
[INFO] [stderr] 90 |         let mut deflater: Box<Read> = match self {
[INFO] [stderr]    |                               ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.94s
[INFO] running `"docker" "inspect" "7760f80187e363683ed15806720eb93842317a3b53bae8db22f5420f42c7a3da"`
[INFO] running `"docker" "rm" "-f" "7760f80187e363683ed15806720eb93842317a3b53bae8db22f5420f42c7a3da"`
[INFO] [stdout] 7760f80187e363683ed15806720eb93842317a3b53bae8db22f5420f42c7a3da