[INFO] fetching crate lc3dbg 1.2.2...
[INFO] checking lc3dbg-1.2.2 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] extracting crate lc3dbg 1.2.2 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate lc3dbg 1.2.2 on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate lc3dbg 1.2.2
[INFO] finished tweaking crates.io crate lc3dbg 1.2.2
[INFO] tweaked toml for crates.io crate lc3dbg 1.2.2 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate lc3dbg 1.2.2 already has a lockfile, it will not be regenerated
[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-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" "+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] b9ac0629435acb077659ccfbf3e597c92bca3662ab65bc2e2d9e0a3eeedb6e69
[INFO] running `"docker" "start" "-a" "b9ac0629435acb077659ccfbf3e597c92bca3662ab65bc2e2d9e0a3eeedb6e69"`
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]    Compiling libc v0.2.54
[INFO] [stderr]    Compiling proc-macro2 v0.4.29
[INFO] [stderr]     Checking cfg-if v0.1.7
[INFO] [stderr]    Compiling syn v0.15.33
[INFO] [stderr]    Compiling cc v1.0.36
[INFO] [stderr]    Compiling regex v1.1.6
[INFO] [stderr]     Checking smallvec v0.6.9
[INFO] [stderr]     Checking rustc-demangle v0.1.14
[INFO] [stderr]    Compiling arraydeque v0.4.5
[INFO] [stderr]     Checking utf8-ranges v1.0.2
[INFO] [stderr]     Checking lc3-rs v0.4.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking regex-syntax v0.6.6
[INFO] [stderr]     Checking getopts v0.2.19
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling backtrace v0.3.15
[INFO] [stderr]     Checking aho-corasick v0.7.3
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking termios v0.3.1
[INFO] [stderr]     Checking clicolors-control v1.0.0
[INFO] [stderr]     Checking pretty-bytes v0.2.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]     Checking parking_lot_core v0.5.0
[INFO] [stderr]     Checking parking_lot v0.8.0
[INFO] [stderr]     Checking console v0.7.5
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking lc3dbg v1.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.68s
[INFO] running `"docker" "inspect" "b9ac0629435acb077659ccfbf3e597c92bca3662ab65bc2e2d9e0a3eeedb6e69"`
[INFO] running `"docker" "rm" "-f" "b9ac0629435acb077659ccfbf3e597c92bca3662ab65bc2e2d9e0a3eeedb6e69"`
[INFO] [stdout] b9ac0629435acb077659ccfbf3e597c92bca3662ab65bc2e2d9e0a3eeedb6e69