[INFO] fetching crate indy 1.16.0-post-286... [INFO] checking indy-1.16.0-post-286 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate indy 1.16.0-post-286 into /workspace/builds/worker-0-tc1/source [INFO] validating manifest of crates.io crate indy 1.16.0-post-286 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate indy 1.16.0-post-286 [INFO] finished tweaking crates.io crate indy 1.16.0-post-286 [INFO] tweaked toml for crates.io crate indy 1.16.0-post-286 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 77 packages [INFO] [stderr] Adding addr2line v0.14.1 (latest: v0.21.0) [INFO] [stderr] Adding arrayvec v0.5.2 (latest: v0.7.4) [INFO] [stderr] Adding backtrace v0.3.55 (latest: v0.3.71) [INFO] [stderr] Adding base64 v0.13.1 (latest: v0.22.0) [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding blake2b_simd v0.5.11 (latest: v1.0.2) [INFO] [stderr] Adding block-buffer v0.7.3 (latest: v0.10.4) [INFO] [stderr] Adding block-padding v0.1.5 (latest: v0.3.3) [INFO] [stderr] Adding bs58 v0.2.5 (latest: v0.5.1) [INFO] [stderr] Adding cloudabi v0.0.3 (latest: v0.1.0) [INFO] [stderr] Adding constant_time_eq v0.1.5 (latest: v0.3.0) [INFO] [stderr] Adding digest v0.8.1 (latest: v0.10.7) [INFO] [stderr] Adding dirs v1.0.5 (latest: v5.0.1) [INFO] [stderr] Adding futures v0.1.31 (latest: v0.3.30) [INFO] [stderr] Adding generic-array v0.12.4 (latest: v1.0.0) [INFO] [stderr] Adding getrandom v0.1.16 (latest: v0.2.12) [INFO] [stderr] Adding gimli v0.23.0 (latest: v0.28.1) [INFO] [stderr] Adding indy-sys v1.16.0-post-286 (latest: v1.16.0) [INFO] [stderr] Adding libc v0.2.66 (latest: v0.2.153) [INFO] [stderr] Adding miniz_oxide v0.4.4 (latest: v0.7.2) [INFO] [stderr] Adding num-derive v0.2.5 (latest: v0.4.2) [INFO] [stderr] Adding object v0.22.0 (latest: v0.34.0) [INFO] [stderr] Adding opaque-debug v0.2.3 (latest: v0.3.1) [INFO] [stderr] Adding proc-macro2 v0.4.30 (latest: v1.0.79) [INFO] [stderr] Adding quote v0.6.13 (latest: v1.0.35) [INFO] [stderr] Adding rand v0.5.6 (latest: v0.8.5) [INFO] [stderr] Adding rand_core v0.3.1 (latest: v0.6.4) [INFO] [stderr] Adding rand_core v0.4.2 (latest: v0.6.4) [INFO] [stderr] Adding redox_syscall v0.1.57 (latest: v0.5.1) [INFO] [stderr] Adding redox_users v0.3.5 (latest: v0.4.5) [INFO] [stderr] Adding rmp-serde v0.13.7 (latest: v1.1.2) [INFO] [stderr] Adding rust-argon2 v0.8.3 (latest: v2.1.0) [INFO] [stderr] Adding sha2 v0.8.2 (latest: v0.10.8) [INFO] [stderr] Adding syn v0.15.44 (latest: v2.0.58) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.58) [INFO] [stderr] Adding synstructure v0.12.6 (latest: v0.13.1) [INFO] [stderr] Adding unicode-xid v0.1.0 (latest: v0.2.4) [INFO] [stderr] Adding wasi v0.9.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded indy-sys v1.16.0-post-286 [INFO] [stderr] Downloaded bs58 v0.2.5 [INFO] [stderr] Downloaded addr2line v0.14.1 [INFO] [stderr] Downloaded object v0.22.0 [INFO] [stderr] Downloaded backtrace v0.3.55 [INFO] [stderr] Downloaded gimli v0.23.0 [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 76ca8a2975bc2b59b1bad2e9ffe06cb2ec785fba9c4a11048a41d66bb9028300 [INFO] running `Command { std: "docker" "start" "-a" "76ca8a2975bc2b59b1bad2e9ffe06cb2ec785fba9c4a11048a41d66bb9028300", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "76ca8a2975bc2b59b1bad2e9ffe06cb2ec785fba9c4a11048a41d66bb9028300", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "76ca8a2975bc2b59b1bad2e9ffe06cb2ec785fba9c4a11048a41d66bb9028300", kill_on_drop: false }` [INFO] [stdout] 76ca8a2975bc2b59b1bad2e9ffe06cb2ec785fba9c4a11048a41d66bb9028300 [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 96e6088f78a61c19347b8d47f4840a8fed97873aa5e2349bdffb24e61a1f38f1 [INFO] running `Command { std: "docker" "start" "-a" "96e6088f78a61c19347b8d47f4840a8fed97873aa5e2349bdffb24e61a1f38f1", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling num-traits v0.2.18 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling paste v1.0.14 [INFO] [stderr] Checking byte-tools v0.3.1 [INFO] [stderr] Checking gimli v0.23.0 [INFO] [stderr] Checking generic-array v0.12.4 [INFO] [stderr] Compiling num-derive v0.2.5 [INFO] [stderr] Checking object v0.22.0 [INFO] [stderr] Compiling indy-sys v1.16.0-post-286 [INFO] [stderr] Checking opaque-debug v0.2.3 [INFO] [stderr] Checking fake-simd v0.1.2 [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Checking block-padding v0.1.5 [INFO] [stderr] Checking futures v0.1.31 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking digest v0.8.1 [INFO] [stderr] Checking block-buffer v0.7.3 [INFO] [stderr] Checking sha2 v0.8.2 [INFO] [stderr] Checking bs58 v0.2.5 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Checking rand v0.5.6 [INFO] [stderr] Checking dirs v1.0.5 [INFO] [stderr] Checking rmp v0.8.12 [INFO] [stderr] Checking rmp-serde v0.13.7 [INFO] [stderr] Checking addr2line v0.14.1 [INFO] [stderr] Checking backtrace v0.3.55 [INFO] [stderr] Compiling synstructure v0.12.6 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking indy v1.16.0-post-286 (/opt/rustwide/workdir) [INFO] [stdout] warning: getting the inner pointer of a temporary `CString` [INFO] [stdout] --> src/utils/callbacks.rs:173:77 [INFO] [stdout] | [INFO] [stdout] 173 | callback(command_handle, 0, CString::new("This is a test").unwrap().as_ptr(), null()); [INFO] [stdout] | --------------------------------------- ^^^^^^ this pointer will be invalid [INFO] [stdout] | | [INFO] [stdout] | this `CString` 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 `CString` 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: for more information, see https://doc.rust-lang.org/reference/destructors.html [INFO] [stdout] = note: `#[warn(temporary_cstring_as_ptr)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: getting the inner pointer of a temporary `CString` [INFO] [stdout] --> src/utils/callbacks.rs:185:77 [INFO] [stdout] | [INFO] [stdout] 185 | callback(command_handle, 0, CString::new("This is a test").unwrap().as_ptr(), CString::new("The second string has something").unw... [INFO] [stdout] | --------------------------------------- ^^^^^^ this pointer will be invalid [INFO] [stdout] | | [INFO] [stdout] | this `CString` 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 `CString` 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: for more information, see https://doc.rust-lang.org/reference/destructors.html [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: getting the inner pointer of a temporary `CString` [INFO] [stdout] --> src/utils/callbacks.rs:185:144 [INFO] [stdout] | [INFO] [stdout] 185 | ... a test").unwrap().as_ptr(), CString::new("The second string has something").unwrap().as_ptr()); [INFO] [stdout] | -------------------------------------------------------- ^^^^^^ this pointer will be invalid [INFO] [stdout] | | [INFO] [stdout] | this `CString` 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 `CString` 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: for more information, see https://doc.rust-lang.org/reference/destructors.html [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.13s [INFO] running `Command { std: "docker" "inspect" "96e6088f78a61c19347b8d47f4840a8fed97873aa5e2349bdffb24e61a1f38f1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "96e6088f78a61c19347b8d47f4840a8fed97873aa5e2349bdffb24e61a1f38f1", kill_on_drop: false }` [INFO] [stdout] 96e6088f78a61c19347b8d47f4840a8fed97873aa5e2349bdffb24e61a1f38f1 [INFO] checking indy-1.16.0-post-286 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] extracting crate indy 1.16.0-post-286 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate indy 1.16.0-post-286 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate indy 1.16.0-post-286 [INFO] finished tweaking crates.io crate indy 1.16.0-post-286 [INFO] tweaked toml for crates.io crate indy 1.16.0-post-286 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "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-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6dd4a10df2117d67c6cf9dfc6f3ccd8281a2417167ad6bbaa83de3ac0a80657d [INFO] running `Command { std: "docker" "start" "-a" "6dd4a10df2117d67c6cf9dfc6f3ccd8281a2417167ad6bbaa83de3ac0a80657d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6dd4a10df2117d67c6cf9dfc6f3ccd8281a2417167ad6bbaa83de3ac0a80657d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6dd4a10df2117d67c6cf9dfc6f3ccd8281a2417167ad6bbaa83de3ac0a80657d", kill_on_drop: false }` [INFO] [stdout] 6dd4a10df2117d67c6cf9dfc6f3ccd8281a2417167ad6bbaa83de3ac0a80657d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a6feddc99c618a27b45852ffa1b57b56d74e33ff53ae78513bf6133d475ef965 [INFO] running `Command { std: "docker" "start" "-a" "a6feddc99c618a27b45852ffa1b57b56d74e33ff53ae78513bf6133d475ef965", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Compiling num-traits v0.2.18 [INFO] [stderr] Checking gimli v0.23.0 [INFO] [stderr] Compiling paste v1.0.14 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Checking byte-tools v0.3.1 [INFO] [stderr] Compiling num-derive v0.2.5 [INFO] [stderr] Checking generic-array v0.12.4 [INFO] [stderr] Checking object v0.22.0 [INFO] [stderr] Compiling indy-sys v1.16.0-post-286 [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Checking opaque-debug v0.2.3 [INFO] [stderr] Checking fake-simd v0.1.2 [INFO] [stderr] Checking futures v0.1.31 [INFO] [stderr] Checking block-padding v0.1.5 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking digest v0.8.1 [INFO] [stderr] Checking block-buffer v0.7.3 [INFO] [stderr] Checking sha2 v0.8.2 [INFO] [stderr] Checking bs58 v0.2.5 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Checking dirs v1.0.5 [INFO] [stderr] Checking rand v0.5.6 [INFO] [stderr] Checking addr2line v0.14.1 [INFO] [stderr] Checking rmp v0.8.12 [INFO] [stderr] Checking backtrace v0.3.55 [INFO] [stderr] Checking rmp-serde v0.13.7 [INFO] [stderr] Compiling synstructure v0.12.6 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking indy v1.16.0-post-286 (/opt/rustwide/workdir) [INFO] [stdout] warning: getting the inner pointer of a temporary `CString` [INFO] [stdout] --> src/utils/callbacks.rs:173:77 [INFO] [stdout] | [INFO] [stdout] 173 | callback(command_handle, 0, CString::new("This is a test").unwrap().as_ptr(), null()); [INFO] [stdout] | --------------------------------------- ^^^^^^ this pointer will be invalid [INFO] [stdout] | | [INFO] [stdout] | this `CString` 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 `CString` 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: for more information, see https://doc.rust-lang.org/reference/destructors.html [INFO] [stdout] = note: `#[warn(temporary_cstring_as_ptr)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: getting the inner pointer of a temporary `CString` [INFO] [stdout] --> src/utils/callbacks.rs:185:77 [INFO] [stdout] | [INFO] [stdout] 185 | callback(command_handle, 0, CString::new("This is a test").unwrap().as_ptr(), CString::new("The second string has something").unw... [INFO] [stdout] | --------------------------------------- ^^^^^^ this pointer will be invalid [INFO] [stdout] | | [INFO] [stdout] | this `CString` 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 `CString` 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: for more information, see https://doc.rust-lang.org/reference/destructors.html [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: getting the inner pointer of a temporary `CString` [INFO] [stdout] --> src/utils/callbacks.rs:185:144 [INFO] [stdout] | [INFO] [stdout] 185 | ... a test").unwrap().as_ptr(), CString::new("The second string has something").unwrap().as_ptr()); [INFO] [stdout] | -------------------------------------------------------- ^^^^^^ this pointer will be invalid [INFO] [stdout] | | [INFO] [stdout] | this `CString` 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 `CString` 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: for more information, see https://doc.rust-lang.org/reference/destructors.html [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.58s [INFO] running `Command { std: "docker" "inspect" "a6feddc99c618a27b45852ffa1b57b56d74e33ff53ae78513bf6133d475ef965", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a6feddc99c618a27b45852ffa1b57b56d74e33ff53ae78513bf6133d475ef965", kill_on_drop: false }` [INFO] [stdout] a6feddc99c618a27b45852ffa1b57b56d74e33ff53ae78513bf6133d475ef965