[INFO] fetching crate blake 2.0.1...
[INFO] checking blake-2.0.1 against master#4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 for pr-81174
[INFO] extracting crate blake 2.0.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate blake 2.0.1 on toolchain 4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "read-manifest" "--manifest-path" "Cargo.toml", 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-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d0fe618b99cd18d025fe7cb1b465e636fcac012bdb09eafa2d71517d88c07656
[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" "d0fe618b99cd18d025fe7cb1b465e636fcac012bdb09eafa2d71517d88c07656", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d0fe618b99cd18d025fe7cb1b465e636fcac012bdb09eafa2d71517d88c07656", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0fe618b99cd18d025fe7cb1b465e636fcac012bdb09eafa2d71517d88c07656", kill_on_drop: false }`
[INFO] [stdout] d0fe618b99cd18d025fe7cb1b465e636fcac012bdb09eafa2d71517d88c07656
[INFO] running `Command { std: "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" "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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] b463be308f81fd5e623f0e7cc18afa46ea75cb0b0aeca90d8c892ec6f381757f
[INFO] running `Command { std: "docker" "start" "-a" "b463be308f81fd5e623f0e7cc18afa46ea75cb0b0aeca90d8c892ec6f381757f", kill_on_drop: false }`
[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 1.01s
[INFO] running `Command { std: "docker" "inspect" "b463be308f81fd5e623f0e7cc18afa46ea75cb0b0aeca90d8c892ec6f381757f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b463be308f81fd5e623f0e7cc18afa46ea75cb0b0aeca90d8c892ec6f381757f", kill_on_drop: false }`
[INFO] [stdout] b463be308f81fd5e623f0e7cc18afa46ea75cb0b0aeca90d8c892ec6f381757f