[INFO] fetching crate blake 2.0.1...
[INFO] checking blake-2.0.1 against master#9503ea19edbf01b9435e80e17d60ce1b88390116 for pr-81782
[INFO] extracting crate blake 2.0.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate blake 2.0.1 on toolchain 9503ea19edbf01b9435e80e17d60ce1b88390116
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate blake 2.0.1
[INFO] finished tweaking crates.io crate blake 2.0.1
[INFO] tweaked toml for crates.io crate blake 2.0.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 36baaaf4f3bcaa45741547ba325007c3aa1abe13f5e7845c4648c12e215f10fc
[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" "36baaaf4f3bcaa45741547ba325007c3aa1abe13f5e7845c4648c12e215f10fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "36baaaf4f3bcaa45741547ba325007c3aa1abe13f5e7845c4648c12e215f10fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36baaaf4f3bcaa45741547ba325007c3aa1abe13f5e7845c4648c12e215f10fc", kill_on_drop: false }`
[INFO] [stdout] 36baaaf4f3bcaa45741547ba325007c3aa1abe13f5e7845c4648c12e215f10fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0b8b9768eca2f8f8a9e7f5bc732ef27710d5a3377bb41593de1d50c46a307dd2
[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" "0b8b9768eca2f8f8a9e7f5bc732ef27710d5a3377bb41593de1d50c46a307dd2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling blake v2.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated struct `gcc::Build`: crate has been renamed to `cc`, the `gcc` name is not maintained
[INFO] [stdout]  --> build.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     gcc::Build::new()
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `gcc::Build::new`: crate has been renamed to `cc`, the `gcc` name is not maintained
[INFO] [stdout]  --> build.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     gcc::Build::new()
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: ext/blake/blake_ref.c: In function 'Update32':
[INFO] [stderr] warning: ext/blake/blake_ref.c:299:38: warning: comparison of integer expressions of different signedness: 'DataLength' {aka 'long long unsigned int'} and 'int' [-Wsign-compare]
[INFO] [stderr] warning:   299 |   if( left && ( ((databitlen >> 3) ) >= fill ) ) {
[INFO] [stderr] warning:       |                                      ^~
[INFO] [stderr] warning: ext/blake/blake_ref.c: In function 'Update64':
[INFO] [stderr] warning: ext/blake/blake_ref.c:355:38: warning: comparison of integer expressions of different signedness: 'DataLength' {aka 'long long unsigned int'} and 'int' [-Wsign-compare]
[INFO] [stderr] warning:   355 |   if( left && ( ((databitlen >> 3) ) >= fill ) ) {
[INFO] [stderr] warning:       |                                      ^~
[INFO] [stderr] warning: ext/blake/blake_ref.c: In function 'Final32':
[INFO] [stderr] warning: ext/blake/blake_ref.c:415:12: warning: comparison of integer expressions of different signedness: 'u32' {aka 'unsigned int'} and 'int' [-Wsign-compare]
[INFO] [stderr] warning:   415 |   if ( low < state->datalen )
[INFO] [stderr] warning:       |            ^
[INFO] [stderr] warning: ext/blake/blake_ref.c: In function 'Final64':
[INFO] [stderr] warning: ext/blake/blake_ref.c:538:12: warning: comparison of integer expressions of different signedness: 'u64' {aka 'long long unsigned int'} and 'int' [-Wsign-compare]
[INFO] [stderr] warning:   538 |   if ( low < state->datalen )
[INFO] [stderr] warning:       |            ^
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.18s
[INFO] running `Command { std: "docker" "inspect" "0b8b9768eca2f8f8a9e7f5bc732ef27710d5a3377bb41593de1d50c46a307dd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b8b9768eca2f8f8a9e7f5bc732ef27710d5a3377bb41593de1d50c46a307dd2", kill_on_drop: false }`
[INFO] [stdout] 0b8b9768eca2f8f8a9e7f5bc732ef27710d5a3377bb41593de1d50c46a307dd2