[INFO] fetching crate liblinear 1.0.0...
[INFO] checking liblinear-1.0.0 against master#4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 for pr-81174
[INFO] extracting crate liblinear 1.0.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate liblinear 1.0.0 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 liblinear 1.0.0
[INFO] finished tweaking crates.io crate liblinear 1.0.0
[INFO] tweaked toml for crates.io crate liblinear 1.0.0 written to /workspace/builds/worker-2/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] [stderr]     Blocking waiting for file lock on package cache
[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" "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] 0e7ddc7822561f3e42cf48cd5930d9ba8b627a8dd3d3388e1f806a5bdbe7473e
[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" "0e7ddc7822561f3e42cf48cd5930d9ba8b627a8dd3d3388e1f806a5bdbe7473e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0e7ddc7822561f3e42cf48cd5930d9ba8b627a8dd3d3388e1f806a5bdbe7473e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e7ddc7822561f3e42cf48cd5930d9ba8b627a8dd3d3388e1f806a5bdbe7473e", kill_on_drop: false }`
[INFO] [stdout] 0e7ddc7822561f3e42cf48cd5930d9ba8b627a8dd3d3388e1f806a5bdbe7473e
[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" "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] [stdout] cb4bfe3cd03f0cf0e0dbd003e24afba39a97ede45a5148f6901c09887f1c7c14
[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" "cb4bfe3cd03f0cf0e0dbd003e24afba39a97ede45a5148f6901c09887f1c7c14", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]     Checking object v0.23.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]     Checking parsnip v0.3.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling liblinear v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking addr2line v0.14.1
[INFO] [stderr]     Checking backtrace v0.3.56
[INFO] [stderr] warning: liblinear/linear.cpp: In function 'void print_null(const char*)':
[INFO] [stderr] warning: liblinear/linear.cpp:31:36: warning: unused parameter 's' [-Wunused-parameter]
[INFO] [stderr] warning:    31 | static void print_null(const char *s) {}
[INFO] [stderr] warning:       |                        ~~~~~~~~~~~~^
[INFO] [stderr] warning: liblinear/linear.cpp: In function 'double calc_max_p(const problem*, const parameter*)':
[INFO] [stderr] warning: liblinear/linear.cpp:2311:64: warning: unused parameter 'param' [-Wunused-parameter]
[INFO] [stderr] warning:  2311 | static double calc_max_p(const problem *prob, const parameter *param)
[INFO] [stderr] warning:       |                                               ~~~~~~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: liblinear/linear.cpp: In function 'const char* check_parameter(const problem*, const parameter*)':
[INFO] [stderr] warning: liblinear/linear.cpp:3151:44: warning: unused parameter 'prob' [-Wunused-parameter]
[INFO] [stderr] warning:  3151 | const char *check_parameter(const problem *prob, const parameter *param)
[INFO] [stderr] warning:       |                             ~~~~~~~~~~~~~~~^~~~
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.69s
[INFO] running `Command { std: "docker" "inspect" "cb4bfe3cd03f0cf0e0dbd003e24afba39a97ede45a5148f6901c09887f1c7c14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb4bfe3cd03f0cf0e0dbd003e24afba39a97ede45a5148f6901c09887f1c7c14", kill_on_drop: false }`
[INFO] [stdout] cb4bfe3cd03f0cf0e0dbd003e24afba39a97ede45a5148f6901c09887f1c7c14