[INFO] fetching crate ptb-reader 0.9.1...
[INFO] checking ptb-reader-0.9.1 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] extracting crate ptb-reader 0.9.1 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate ptb-reader 0.9.1 on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate ptb-reader 0.9.1
[INFO] finished tweaking crates.io crate ptb-reader 0.9.1
[INFO] tweaked toml for crates.io crate ptb-reader 0.9.1 written to /workspace/builds/worker-13/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 9b96301e0c463c4c49433dea6488695a188fbfb72d624e3cd807003f44dd22e2
[INFO] running `"docker" "start" "-a" "9b96301e0c463c4c49433dea6488695a188fbfb72d624e3cd807003f44dd22e2"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking pest v0.4.1
[INFO] [stderr]     Checking simple-error v0.1.12
[INFO] [stderr]     Checking ptb-reader v0.9.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:314:114
[INFO] [stderr]     |
[INFO] [stderr] 314 | pub fn parse_spmrl_ptb_file(f: &str, singlebracketed: bool, remove_after_dash: bool) -> Result<Vec<PTBTree>, Box<std::error::Error>> {
[INFO] [stderr]     |                                                                                                                  ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[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:314:114
[INFO] [stderr]     |
[INFO] [stderr] 314 | pub fn parse_spmrl_ptb_file(f: &str, singlebracketed: bool, remove_after_dash: bool) -> Result<Vec<PTBTree>, Box<std::error::Error>> {
[INFO] [stderr]     |                                                                                                                  ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.88s
[INFO] running `"docker" "inspect" "9b96301e0c463c4c49433dea6488695a188fbfb72d624e3cd807003f44dd22e2"`
[INFO] running `"docker" "rm" "-f" "9b96301e0c463c4c49433dea6488695a188fbfb72d624e3cd807003f44dd22e2"`
[INFO] [stdout] 9b96301e0c463c4c49433dea6488695a188fbfb72d624e3cd807003f44dd22e2