[INFO] fetching crate tinycdb 0.0.7... [INFO] checking tinycdb-0.0.7 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate tinycdb 0.0.7 into /workspace/builds/worker-2-tc1/source [INFO] validating manifest of crates.io crate tinycdb 0.0.7 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 tinycdb 0.0.7 [INFO] finished tweaking crates.io crate tinycdb 0.0.7 [INFO] tweaked toml for crates.io crate tinycdb 0.0.7 written to /workspace/builds/worker-2-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 7 packages [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] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded lz4 v1.24.0 [INFO] [stderr] Downloaded tinycdb-sys v0.0.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 5390104b8ab3bb77830b93cd85aca38b434150861582675f1a5ba3601fa80007 [INFO] running `Command { std: "docker" "start" "-a" "5390104b8ab3bb77830b93cd85aca38b434150861582675f1a5ba3601fa80007", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5390104b8ab3bb77830b93cd85aca38b434150861582675f1a5ba3601fa80007", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5390104b8ab3bb77830b93cd85aca38b434150861582675f1a5ba3601fa80007", kill_on_drop: false }` [INFO] [stdout] 5390104b8ab3bb77830b93cd85aca38b434150861582675f1a5ba3601fa80007 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] dbdc7458eac349f2e20c3b910caebab6a51a8f84e032e3f33b402811facdd4f4 [INFO] running `Command { std: "docker" "start" "-a" "dbdc7458eac349f2e20c3b910caebab6a51a8f84e032e3f33b402811facdd4f4", kill_on_drop: false }` [INFO] [stderr] Compiling tinycdb-sys v0.0.2 [INFO] [stderr] Compiling lz4-sys v1.9.4 [INFO] [stderr] Checking tinycdb v0.0.7 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Into` is imported redundantly [INFO] [stdout] --> src/lib.rs:25:5 [INFO] [stdout] | [INFO] [stdout] 25 | use std::convert::Into; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:124:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Into` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/lib.rs:171:37 [INFO] [stdout] | [INFO] [stdout] 171 | cdb: unsafe { std::mem::uninitialized() }, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/lib.rs:341:38 [INFO] [stdout] | [INFO] [stdout] 341 | cdbm: unsafe { std::mem::uninitialized() }, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `kind` and `message` are never read [INFO] [stdout] --> src/lib.rs:50:5 [INFO] [stdout] | [INFO] [stdout] 49 | pub struct CdbError { [INFO] [stdout] | -------- fields in this struct [INFO] [stdout] 50 | kind: CdbErrorKind, [INFO] [stdout] | ^^^^ [INFO] [stdout] 51 | message: Cow<'static, str>, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `CdbError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `cdb` does not permit being left uninitialized [INFO] [stdout] --> src/lib.rs:171:27 [INFO] [stdout] | [INFO] [stdout] 171 | cdb: unsafe { std::mem::uninitialized() }, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] = note: integers must be initialized [INFO] [stdout] = note: `#[warn(invalid_value)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `cdb_make` does not permit being left uninitialized [INFO] [stdout] --> src/lib.rs:341:28 [INFO] [stdout] | [INFO] [stdout] 341 | cdbm: unsafe { std::mem::uninitialized() }, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] = note: integers must be initialized [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking lz4 v1.24.0 [INFO] [stdout] warning: the item `Into` is imported redundantly [INFO] [stdout] --> src/lib.rs:25:5 [INFO] [stdout] | [INFO] [stdout] 25 | use std::convert::Into; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:124:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Into` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `ToOwned` is imported redundantly [INFO] [stdout] --> src/lib.rs:479:9 [INFO] [stdout] | [INFO] [stdout] 479 | use std::borrow::ToOwned; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:124:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `ToOwned` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `AsRef` is imported redundantly [INFO] [stdout] --> src/lib.rs:480:9 [INFO] [stdout] | [INFO] [stdout] 480 | use std::convert::AsRef; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:124:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `AsRef` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `ffi` is imported redundantly [INFO] [stdout] --> src/lib.rs:488:9 [INFO] [stdout] | [INFO] [stdout] 22 | extern crate tinycdb_sys as ffi; [INFO] [stdout] | -------------------------------- the item `ffi` is already imported here [INFO] [stdout] ... [INFO] [stdout] 488 | use super::ffi; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/lib.rs:558:39 [INFO] [stdout] | [INFO] [stdout] 558 | static HELLO_CDB: &'static [u8] = ( [INFO] [stdout] | _______________________________________^ [INFO] [stdout] 559 | | b"BCJNGERAXl4AAAAxIggAAQAPCAD/MlMCAAAAMlABDwgA//+jAMACE0LAAg8IAP///9jw\ [INFO] [stdout] | |________^ [INFO] [stdout] 560 | AQMAAAAFAAAAb25lSGVsbG8QAPMEBwAAAHR3b0dvb2RieWUpYIcLEBYECAIAgIFbhwsA\ [INFO] [stdout] 561 | CAAAAAAAAAXW/+Q=" [INFO] [stdout] | ____________________________^ [INFO] [stdout] 562 | | ); [INFO] [stdout] | |_____^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 558 ~ static HELLO_CDB: &'static [u8] = b"BCJNGERAXl4AAAAxIggAAQAPCAD/MlMCAAAAMlABDwgA//+jAMACE0LAAg8IAP///9jw\ [INFO] [stdout] 559 | AQMAAAAFAAAAb25lSGVsbG8QAPMEBwAAAHR3b0dvb2RieWUpYIcLEBYECAIAgIFbhwsA\ [INFO] [stdout] 560 ~ CAAAAAAAAAXW/+Q="; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/lib.rs:171:37 [INFO] [stdout] | [INFO] [stdout] 171 | cdb: unsafe { std::mem::uninitialized() }, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/lib.rs:341:38 [INFO] [stdout] | [INFO] [stdout] 341 | cdbm: unsafe { std::mem::uninitialized() }, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `kind` and `message` are never read [INFO] [stdout] --> src/lib.rs:50:5 [INFO] [stdout] | [INFO] [stdout] 49 | pub struct CdbError { [INFO] [stdout] | -------- fields in this struct [INFO] [stdout] 50 | kind: CdbErrorKind, [INFO] [stdout] | ^^^^ [INFO] [stdout] 51 | message: Cow<'static, str>, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `CdbError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `cdb` does not permit being left uninitialized [INFO] [stdout] --> src/lib.rs:171:27 [INFO] [stdout] | [INFO] [stdout] 171 | cdb: unsafe { std::mem::uninitialized() }, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] = note: integers must be initialized [INFO] [stdout] = note: `#[warn(invalid_value)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `cdb_make` does not permit being left uninitialized [INFO] [stdout] --> src/lib.rs:341:28 [INFO] [stdout] | [INFO] [stdout] 341 | cdbm: unsafe { std::mem::uninitialized() }, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] = note: integers must be initialized [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.66s [INFO] running `Command { std: "docker" "inspect" "dbdc7458eac349f2e20c3b910caebab6a51a8f84e032e3f33b402811facdd4f4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dbdc7458eac349f2e20c3b910caebab6a51a8f84e032e3f33b402811facdd4f4", kill_on_drop: false }` [INFO] [stdout] dbdc7458eac349f2e20c3b910caebab6a51a8f84e032e3f33b402811facdd4f4