[INFO] fetching crate dupdup 0.2.1...
[INFO] checking dupdup-0.2.1 against master#c724b67e1b474262917a5154d74e7072267593fe for pr-74315
[INFO] extracting crate dupdup 0.2.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate dupdup 0.2.1 on toolchain c724b67e1b474262917a5154d74e7072267593fe
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dupdup 0.2.1
[INFO] finished tweaking crates.io crate dupdup 0.2.1
[INFO] tweaked toml for crates.io crate dupdup 0.2.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate dupdup 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] efb29ec39ac06c38b86d0241a1d298334e562e26a703380067917a4e2d369629
[INFO] running `Command { std: "docker" "start" "-a" "efb29ec39ac06c38b86d0241a1d298334e562e26a703380067917a4e2d369629", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "efb29ec39ac06c38b86d0241a1d298334e562e26a703380067917a4e2d369629", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efb29ec39ac06c38b86d0241a1d298334e562e26a703380067917a4e2d369629", kill_on_drop: false }`
[INFO] [stdout] efb29ec39ac06c38b86d0241a1d298334e562e26a703380067917a4e2d369629
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] db3a7e80ca029ef26b79075e5431b18ebe5f991278b4a714fb3898ebe5cb04ec
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "db3a7e80ca029ef26b79075e5431b18ebe5f991278b4a714fb3898ebe5cb04ec", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.22
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]     Checking dtoa v0.4.1
[INFO] [stderr]     Checking num-traits v0.1.37
[INFO] [stderr]     Checking unicode-segmentation v1.2.0
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking vec_map v0.8.0
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]     Checking serde v1.0.5
[INFO] [stderr]     Checking itoa v0.3.1
[INFO] [stderr]     Checking bitflags v0.8.2
[INFO] [stderr]     Checking md5 v0.3.4
[INFO] [stderr]     Checking bytesize v1.0.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking term_size v0.3.0
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking atty v0.2.2
[INFO] [stderr]     Checking clap v2.24.2
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking serde_json v1.0.2
[INFO] [stderr]     Checking dupdup v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.80s
[INFO] running `Command { std: "docker" "inspect" "db3a7e80ca029ef26b79075e5431b18ebe5f991278b4a714fb3898ebe5cb04ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db3a7e80ca029ef26b79075e5431b18ebe5f991278b4a714fb3898ebe5cb04ec", kill_on_drop: false }`
[INFO] [stdout] db3a7e80ca029ef26b79075e5431b18ebe5f991278b4a714fb3898ebe5cb04ec