[INFO] fetching crate preferences 1.1.0... [INFO] testing preferences-1.1.0 against beta-2022-04-10 for beta-1.61-1 [INFO] extracting crate preferences 1.1.0 into /workspace/builds/worker-30/source [INFO] validating manifest of crates.io crate preferences 1.1.0 on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate preferences 1.1.0 [INFO] finished tweaking crates.io crate preferences 1.1.0 [INFO] tweaked toml for crates.io crate preferences 1.1.0 written to /workspace/builds/worker-30/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--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-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3e3021a1329a30b87ee9b91a7c0b7e4cc06534083cce82bb56dd91f2c0d928a9 [INFO] running `Command { std: "docker" "start" "-a" "3e3021a1329a30b87ee9b91a7c0b7e4cc06534083cce82bb56dd91f2c0d928a9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3e3021a1329a30b87ee9b91a7c0b7e4cc06534083cce82bb56dd91f2c0d928a9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3e3021a1329a30b87ee9b91a7c0b7e4cc06534083cce82bb56dd91f2c0d928a9", kill_on_drop: false }` [INFO] [stdout] 3e3021a1329a30b87ee9b91a7c0b7e4cc06534083cce82bb56dd91f2c0d928a9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4232637a6f1465787b2c9fbe56516abb395a1f37f83af9a5dcd2ece78908168b [INFO] running `Command { std: "docker" "start" "-a" "4232637a6f1465787b2c9fbe56516abb395a1f37f83af9a5dcd2ece78908168b", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.123 [INFO] [stderr] Compiling serde v0.9.15 [INFO] [stderr] Compiling dtoa v0.4.8 [INFO] [stderr] Compiling itoa v0.3.4 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling dirs-sys v0.3.7 [INFO] [stderr] Compiling dirs v4.0.0 [INFO] [stderr] Compiling xdg v2.4.1 [INFO] [stderr] Compiling app_dirs v1.2.1 [INFO] [stderr] Compiling num-traits v0.1.43 [INFO] [stderr] Compiling serde_json v0.9.10 [INFO] [stderr] Compiling preferences v1.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:234:32 [INFO] [stdout] | [INFO] [stdout] 234 | fn cause(&self) -> Option<&std::error::Error> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 234 - fn cause(&self) -> Option<&std::error::Error> { [INFO] [stdout] 234 + fn cause(&self) -> Option<&dyn std::error::Error> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/lib.rs:229:30 [INFO] [stdout] | [INFO] [stdout] 229 | Json(ref e) => e.description(), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/lib.rs:230:28 [INFO] [stdout] | [INFO] [stdout] 230 | Io(ref e) => e.description(), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/lib.rs:231:35 [INFO] [stdout] | [INFO] [stdout] 231 | Directory(ref e) => e.description(), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 7.27s [INFO] running `Command { std: "docker" "inspect" "4232637a6f1465787b2c9fbe56516abb395a1f37f83af9a5dcd2ece78908168b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4232637a6f1465787b2c9fbe56516abb395a1f37f83af9a5dcd2ece78908168b", kill_on_drop: false }` [INFO] [stdout] 4232637a6f1465787b2c9fbe56516abb395a1f37f83af9a5dcd2ece78908168b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 04df69a604a17457fd79aaf5e0e8154dd4b2a763af91dbe6943738af7e236781 [INFO] running `Command { std: "docker" "start" "-a" "04df69a604a17457fd79aaf5e0e8154dd4b2a763af91dbe6943738af7e236781", kill_on_drop: false }` [INFO] [stderr] Compiling unicode-xid v0.0.4 [INFO] [stderr] Compiling quote v0.3.15 [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:234:32 [INFO] [stdout] | [INFO] [stdout] 234 | fn cause(&self) -> Option<&std::error::Error> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 234 - fn cause(&self) -> Option<&std::error::Error> { [INFO] [stdout] 234 + fn cause(&self) -> Option<&dyn std::error::Error> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/lib.rs:229:30 [INFO] [stdout] | [INFO] [stdout] 229 | Json(ref e) => e.description(), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/lib.rs:230:28 [INFO] [stdout] | [INFO] [stdout] 230 | Io(ref e) => e.description(), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/lib.rs:231:35 [INFO] [stdout] | [INFO] [stdout] 231 | Directory(ref e) => e.description(), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling synom v0.11.3 [INFO] [stderr] Compiling syn v0.11.11 [INFO] [stderr] Compiling serde_codegen_internals v0.14.2 [INFO] [stderr] Compiling serde_derive v0.9.15 [INFO] [stderr] Compiling preferences v1.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:234:32 [INFO] [stdout] | [INFO] [stdout] 234 | fn cause(&self) -> Option<&std::error::Error> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 234 - fn cause(&self) -> Option<&std::error::Error> { [INFO] [stdout] 234 + fn cause(&self) -> Option<&dyn std::error::Error> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/lib.rs:229:30 [INFO] [stdout] | [INFO] [stdout] 229 | Json(ref e) => e.description(), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/lib.rs:230:28 [INFO] [stdout] | [INFO] [stdout] 230 | Io(ref e) => e.description(), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/lib.rs:231:35 [INFO] [stdout] | [INFO] [stdout] 231 | Directory(ref e) => e.description(), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 7.14s [INFO] [stderr] Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/preferences-e25ecfcbb854a461) [INFO] running `Command { std: "docker" "inspect" "04df69a604a17457fd79aaf5e0e8154dd4b2a763af91dbe6943738af7e236781", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "04df69a604a17457fd79aaf5e0e8154dd4b2a763af91dbe6943738af7e236781", kill_on_drop: false }` [INFO] [stdout] 04df69a604a17457fd79aaf5e0e8154dd4b2a763af91dbe6943738af7e236781 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] ca28fbc3e1b42b009a525e039530272839310a8a6ef4a676830c5023d325c7d1 [INFO] running `Command { std: "docker" "start" "-a" "ca28fbc3e1b42b009a525e039530272839310a8a6ef4a676830c5023d325c7d1", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:234:32 [INFO] [stderr] | [INFO] [stderr] 234 | fn cause(&self) -> Option<&std::error::Error> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: use `dyn` [INFO] [stderr] | [INFO] [stderr] 234 - fn cause(&self) -> Option<&std::error::Error> { [INFO] [stderr] 234 + fn cause(&self) -> Option<&dyn std::error::Error> { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stderr] --> src/lib.rs:229:30 [INFO] [stderr] | [INFO] [stderr] 229 | Json(ref e) => e.description(), [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stderr] --> src/lib.rs:230:28 [INFO] [stderr] | [INFO] [stderr] 230 | Io(ref e) => e.description(), [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stderr] --> src/lib.rs:231:35 [INFO] [stderr] | [INFO] [stderr] 231 | Directory(ref e) => e.description(), [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `preferences` (lib) generated 4 warnings [INFO] [stderr] warning: `preferences` (lib test) generated 4 warnings (4 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.10s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/preferences-e25ecfcbb854a461) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stderr] Doc-tests preferences [INFO] [stdout] test tests::test_save_load ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 5 tests [INFO] [stdout] test src/lib.rs - Preferences (line 281) ... ok [INFO] [stdout] test src/lib.rs - (line 23) ... ok [INFO] [stdout] test src/lib.rs - (line 117) ... ok [INFO] [stdout] test src/lib.rs - (line 88) ... ok [INFO] [stdout] test src/lib.rs - (line 55) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.93s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "ca28fbc3e1b42b009a525e039530272839310a8a6ef4a676830c5023d325c7d1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ca28fbc3e1b42b009a525e039530272839310a8a6ef4a676830c5023d325c7d1", kill_on_drop: false }` [INFO] [stdout] ca28fbc3e1b42b009a525e039530272839310a8a6ef4a676830c5023d325c7d1