[INFO] cloning repository https://github.com/brunoshiroma/benchtool-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/brunoshiroma/benchtool-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrunoshiroma%2Fbenchtool-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrunoshiroma%2Fbenchtool-rust'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrunoshiroma%2Fbenchtool-rust: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 1)
[INFO] cloning repository https://github.com/brunoshiroma/benchtool-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/brunoshiroma/benchtool-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrunoshiroma%2Fbenchtool-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrunoshiroma%2Fbenchtool-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0570c04afd4db68aa1ce780743577b7a20433a33
[INFO] checking brunoshiroma/benchtool-rust against master#fce0e74720d199eb7839fdb51af35ac5226da178 for pr-145262
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrunoshiroma%2Fbenchtool-rust" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-0-tc1/source/.cargo/config
[INFO] started tweaking git repo https://github.com/brunoshiroma/benchtool-rust
[INFO] finished tweaking git repo https://github.com/brunoshiroma/benchtool-rust
[INFO] tweaked toml for git repo https://github.com/brunoshiroma/benchtool-rust written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/brunoshiroma/benchtool-rust on toolchain fce0e74720d199eb7839fdb51af35ac5226da178
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fce0e74720d199eb7839fdb51af35ac5226da178" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/brunoshiroma/benchtool-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fce0e74720d199eb7839fdb51af35ac5226da178" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+fce0e74720d199eb7839fdb51af35ac5226da178" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 91782a8581b7c7b948e446985688e1071b093410854efef6ea85f3cafa79f376
[INFO] running `Command { std: "docker" "start" "-a" "91782a8581b7c7b948e446985688e1071b093410854efef6ea85f3cafa79f376", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "91782a8581b7c7b948e446985688e1071b093410854efef6ea85f3cafa79f376", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91782a8581b7c7b948e446985688e1071b093410854efef6ea85f3cafa79f376", kill_on_drop: false }`
[INFO] [stdout] 91782a8581b7c7b948e446985688e1071b093410854efef6ea85f3cafa79f376
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+fce0e74720d199eb7839fdb51af35ac5226da178" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 35e843178c4189e963938209c37947b86207a2bfe11e11b8cb3ce8fbbdf9b0cc
[INFO] running `Command { std: "docker" "start" "-a" "35e843178c4189e963938209c37947b86207a2bfe11e11b8cb3ce8fbbdf9b0cc", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]     Checking benchtool-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]  --> src/lib.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub extern fn benchtool_rust_call(iteration: i32, repeat: i32, bench_type: i32) -> *const c_char{
[INFO] [stdout]   |     ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(missing_abi)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]  --> src/lib.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub extern fn benchtool_rust_call(iteration: i32, repeat: i32, bench_type: i32) -> *const c_char{
[INFO] [stdout]   |     ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(missing_abi)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a dangling pointer will be produced because the temporary `String` will be dropped
[INFO] [stdout]  --> src/lib.rs:7:80
[INFO] [stdout]   |
[INFO] [stdout] 7 |     benchtool::executor::benchtool_rust_execute(iteration, repeat, bench_type).as_ptr() as *const c_char
[INFO] [stdout]   |     -------------------------------------------------------------------------- ^^^^^^ this pointer will immediately be invalid
[INFO] [stdout]   |     |
[INFO] [stdout]   |     this `String` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout]   |
[INFO] [stdout]   = note: pointers do not have a lifetime; when calling `as_ptr` the `String` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]   = help: you must make sure that the variable you bind the `String` to lives at least as long as the pointer returned by the call to `as_ptr`
[INFO] [stdout]   = help: in particular, if this pointer is returned from the current function, binding the `String` inside the function will not suffice
[INFO] [stdout]   = help: for more information, see <https://doc.rust-lang.org/reference/destructors.html>
[INFO] [stdout]   = note: `#[warn(dangling_pointers_from_temporaries)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a dangling pointer will be produced because the temporary `String` will be dropped
[INFO] [stdout]  --> src/lib.rs:7:80
[INFO] [stdout]   |
[INFO] [stdout] 7 |     benchtool::executor::benchtool_rust_execute(iteration, repeat, bench_type).as_ptr() as *const c_char
[INFO] [stdout]   |     -------------------------------------------------------------------------- ^^^^^^ this pointer will immediately be invalid
[INFO] [stdout]   |     |
[INFO] [stdout]   |     this `String` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout]   |
[INFO] [stdout]   = note: pointers do not have a lifetime; when calling `as_ptr` the `String` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]   = help: you must make sure that the variable you bind the `String` to lives at least as long as the pointer returned by the call to `as_ptr`
[INFO] [stdout]   = help: in particular, if this pointer is returned from the current function, binding the `String` inside the function will not suffice
[INFO] [stdout]   = help: for more information, see <https://doc.rust-lang.org/reference/destructors.html>
[INFO] [stdout]   = note: `#[warn(dangling_pointers_from_temporaries)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.69s
[INFO] running `Command { std: "docker" "inspect" "35e843178c4189e963938209c37947b86207a2bfe11e11b8cb3ce8fbbdf9b0cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35e843178c4189e963938209c37947b86207a2bfe11e11b8cb3ce8fbbdf9b0cc", kill_on_drop: false }`
[INFO] [stdout] 35e843178c4189e963938209c37947b86207a2bfe11e11b8cb3ce8fbbdf9b0cc
