[INFO] fetching crate exprtk_sys 0.0.7...
[INFO] checking exprtk_sys-0.0.7 against master#7f5a42b073dc2bee2aa625052eb066ee07072048 for pr-78991
[INFO] extracting crate exprtk_sys 0.0.7 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate exprtk_sys 0.0.7 on toolchain 7f5a42b073dc2bee2aa625052eb066ee07072048
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate exprtk_sys 0.0.7
[INFO] finished tweaking crates.io crate exprtk_sys 0.0.7
[INFO] tweaked toml for crates.io crate exprtk_sys 0.0.7 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "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" "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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 588ff035b8fe2dc6f8fe9c354c9ba3f3f6c17cc343b8c17c4700c31fedb99a48
[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" "588ff035b8fe2dc6f8fe9c354c9ba3f3f6c17cc343b8c17c4700c31fedb99a48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "588ff035b8fe2dc6f8fe9c354c9ba3f3f6c17cc343b8c17c4700c31fedb99a48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "588ff035b8fe2dc6f8fe9c354c9ba3f3f6c17cc343b8c17c4700c31fedb99a48", kill_on_drop: false }`
[INFO] [stdout] 588ff035b8fe2dc6f8fe9c354c9ba3f3f6c17cc343b8c17c4700c31fedb99a48
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8ab2f17275ddc87f4ff49792d47f25a4ae03d7a5584b6c6801fba40d85a639b5
[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" "8ab2f17275ddc87f4ff49792d47f25a4ae03d7a5584b6c6801fba40d85a639b5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling exprtk_sys v0.0.7 (/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:6:14
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let mut c = 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:6:14
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let mut c = gcc::Build::new();
[INFO] [stdout]   |                 ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: In file included from cpp/wrapper.cpp:1:
[INFO] [stderr] warning: cpp/exprtk.hpp: In member function 'bool exprtk::lexer::generator::is_comment_start(exprtk::details::char_cptr)':
[INFO] [stderr] warning: cpp/exprtk.hpp:2338:58: warning: unused parameter 'itr' [-Wunused-parameter]
[INFO] [stderr] warning:  2338 |          inline bool is_comment_start(details::char_cptr itr)
[INFO] [stderr] warning:       |                                       ~~~~~~~~~~~~~~~~~~~^~~
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.70s
[INFO] running `Command { std: "docker" "inspect" "8ab2f17275ddc87f4ff49792d47f25a4ae03d7a5584b6c6801fba40d85a639b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ab2f17275ddc87f4ff49792d47f25a4ae03d7a5584b6c6801fba40d85a639b5", kill_on_drop: false }`
[INFO] [stdout] 8ab2f17275ddc87f4ff49792d47f25a4ae03d7a5584b6c6801fba40d85a639b5