[INFO] crate microamp-tools 0.1.0-alpha.3 is already in cache
[INFO] checking microamp-tools-0.1.0-alpha.3 against master#339f574809bf8e4166b8de3cdbe7df181d37af3d for pr-71896
[INFO] extracting crate microamp-tools 0.1.0-alpha.3 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate microamp-tools 0.1.0-alpha.3 on toolchain 339f574809bf8e4166b8de3cdbe7df181d37af3d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+339f574809bf8e4166b8de3cdbe7df181d37af3d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate microamp-tools 0.1.0-alpha.3
[INFO] finished tweaking crates.io crate microamp-tools 0.1.0-alpha.3
[INFO] tweaked toml for crates.io crate microamp-tools 0.1.0-alpha.3 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate microamp-tools 0.1.0-alpha.3 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+339f574809bf8e4166b8de3cdbe7df181d37af3d" "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" "+339f574809bf8e4166b8de3cdbe7df181d37af3d" "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] e4513400b2683115eeac38e50238d30f89dbfbe0dcd5fe7e35d873547bc11ee5
[INFO] running `"docker" "start" "-a" "e4513400b2683115eeac38e50238d30f89dbfbe0dcd5fe7e35d873547bc11ee5"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]     Checking same-file v1.0.5
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking zero v0.1.2
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking xmas-elf v0.6.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.5
[INFO] [stderr]     Checking walkdir v2.2.9
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking filetime v0.2.7
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking backtrace-sys v0.1.31
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking backtrace v0.3.38
[INFO] [stderr]     Checking rustc_version v0.2.3
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]    Compiling synstructure v0.12.1
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking rustc-cfg v0.4.0
[INFO] [stderr]     Checking exitfailure v0.5.1
[INFO] [stderr]     Checking cargo-project v0.2.2
[INFO] [stderr]     Checking microamp-tools v0.1.0-alpha.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.72s
[INFO] running `"docker" "inspect" "e4513400b2683115eeac38e50238d30f89dbfbe0dcd5fe7e35d873547bc11ee5"`
[INFO] running `"docker" "rm" "-f" "e4513400b2683115eeac38e50238d30f89dbfbe0dcd5fe7e35d873547bc11ee5"`
[INFO] [stdout] e4513400b2683115eeac38e50238d30f89dbfbe0dcd5fe7e35d873547bc11ee5