[INFO] fetching crate cargo-ensure-prefix 0.1.4...
[INFO] checking cargo-ensure-prefix-0.1.4 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] extracting crate cargo-ensure-prefix 0.1.4 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate cargo-ensure-prefix 0.1.4 on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate cargo-ensure-prefix 0.1.4
[INFO] finished tweaking crates.io crate cargo-ensure-prefix 0.1.4
[INFO] tweaked toml for crates.io crate cargo-ensure-prefix 0.1.4 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stdout] a116f6aeae35af6c6fe8a689160ed11ccbfbe29d05a267314397914d0a0656cf
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "a116f6aeae35af6c6fe8a689160ed11ccbfbe29d05a267314397914d0a0656cf"`
[INFO] [stderr]    Compiling curl v0.4.25
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]     Checking home v0.3.4
[INFO] [stderr]     Checking bytesize v1.0.0
[INFO] [stderr]     Checking rustc-workspace-hack v1.0.0
[INFO] [stderr]     Checking shell-escape v0.1.4
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.2
[INFO] [stderr]    Compiling curl-sys v0.4.23
[INFO] [stderr]     Checking filetime v0.2.7
[INFO] [stderr]     Checking jobserver v0.1.17
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking bstr v0.2.8
[INFO] [stderr]     Checking serde_json v1.0.41
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]    Compiling structopt-derive v0.3.3
[INFO] [stderr]     Checking serde_ignored v0.0.4
[INFO] [stderr]     Checking opener v0.3.2
[INFO] [stderr]     Checking tar v0.4.26
[INFO] [stderr]     Checking globset v0.4.4
[INFO] [stderr]     Checking crypto-hash v0.3.4
[INFO] [stderr]     Checking rustfix v0.4.6
[INFO] [stderr]     Checking ignore v0.4.10
[INFO] [stderr]     Checking structopt v0.3.3
[INFO] [stderr]    Compiling libgit2-sys v0.7.11
[INFO] [stderr]     Checking crates-io v0.20.0
[INFO] [stderr]     Checking git2 v0.7.5
[INFO] [stderr]     Checking git2-curl v0.8.2
[INFO] [stderr]     Checking cargo v0.32.0
[INFO] [stderr]     Checking cargo-ensure-prefix v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 28s
[INFO] running `"docker" "inspect" "a116f6aeae35af6c6fe8a689160ed11ccbfbe29d05a267314397914d0a0656cf"`
[INFO] running `"docker" "rm" "-f" "a116f6aeae35af6c6fe8a689160ed11ccbfbe29d05a267314397914d0a0656cf"`
[INFO] [stdout] a116f6aeae35af6c6fe8a689160ed11ccbfbe29d05a267314397914d0a0656cf