[INFO] fetching crate a4-core 0.0.4... [INFO] testing a4-core-0.0.4 against beta-2022-04-10 for beta-1.61-1 [INFO] extracting crate a4-core 0.0.4 into /workspace/builds/worker-37/source [INFO] validating manifest of crates.io crate a4-core 0.0.4 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 a4-core 0.0.4 [INFO] finished tweaking crates.io crate a4-core 0.0.4 [INFO] tweaked toml for crates.io crate a4-core 0.0.4 written to /workspace/builds/worker-37/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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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] 85c30a1c88da066606ca9a1a241fa7f7a5cd0072e8ec382e6d3f1460259aa3fb [INFO] running `Command { std: "docker" "start" "-a" "85c30a1c88da066606ca9a1a241fa7f7a5cd0072e8ec382e6d3f1460259aa3fb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "85c30a1c88da066606ca9a1a241fa7f7a5cd0072e8ec382e6d3f1460259aa3fb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "85c30a1c88da066606ca9a1a241fa7f7a5cd0072e8ec382e6d3f1460259aa3fb", kill_on_drop: false }` [INFO] [stdout] 85c30a1c88da066606ca9a1a241fa7f7a5cd0072e8ec382e6d3f1460259aa3fb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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] 81260e9ba086ee05d987e6cb02d878372ad5f9f135c0b55a91489fe1b53ed8b0 [INFO] running `Command { std: "docker" "start" "-a" "81260e9ba086ee05d987e6cb02d878372ad5f9f135c0b55a91489fe1b53ed8b0", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling syn v1.0.91 [INFO] [stderr] Compiling serde v1.0.136 [INFO] [stderr] Compiling byteorder v1.4.3 [INFO] [stderr] Compiling heapless v0.7.10 [INFO] [stderr] Compiling stable_deref_trait v1.2.0 [INFO] [stderr] Compiling postcard-cobs v0.1.5-pre [INFO] [stderr] Compiling spin v0.9.2 [INFO] [stderr] Compiling hash32 v0.2.1 [INFO] [stderr] Compiling serde_derive v1.0.136 [INFO] [stderr] Compiling postcard v0.7.3 [INFO] [stderr] Compiling a4-core v0.0.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: field is never read: `err` [INFO] [stdout] --> src/nostd_rt.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | err: Error, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `HVecStack` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/nostd_rt.rs:14:10 [INFO] [stdout] | [INFO] [stdout] 14 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 15.64s [INFO] running `Command { std: "docker" "inspect" "81260e9ba086ee05d987e6cb02d878372ad5f9f135c0b55a91489fe1b53ed8b0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "81260e9ba086ee05d987e6cb02d878372ad5f9f135c0b55a91489fe1b53ed8b0", kill_on_drop: false }` [INFO] [stdout] 81260e9ba086ee05d987e6cb02d878372ad5f9f135c0b55a91489fe1b53ed8b0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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] 8a5582853d42490dc0aa3d067fb57e9031ab88f34cf824e10e74a3575ba6c931 [INFO] running `Command { std: "docker" "start" "-a" "8a5582853d42490dc0aa3d067fb57e9031ab88f34cf824e10e74a3575ba6c931", kill_on_drop: false }` [INFO] [stderr] Compiling serde v1.0.136 [INFO] [stderr] Compiling heapless v0.7.10 [INFO] [stderr] Compiling postcard v0.7.3 [INFO] [stderr] Compiling a4-core v0.0.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: field is never read: `err` [INFO] [stdout] --> src/nostd_rt.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | err: Error, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `HVecStack` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/nostd_rt.rs:14:10 [INFO] [stdout] | [INFO] [stdout] 14 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `err` [INFO] [stdout] --> src/std_rt.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | err: Error, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `StdVecStack` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/std_rt.rs:10:10 [INFO] [stdout] | [INFO] [stdout] 10 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `contents` [INFO] [stdout] --> src/compiler.rs:248:9 [INFO] [stdout] | [INFO] [stdout] 248 | contents: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Chunk` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/compiler.rs:234:10 [INFO] [stdout] | [INFO] [stdout] 234 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `err` [INFO] [stdout] --> src/nostd_rt.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | err: Error, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `HVecStack` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/nostd_rt.rs:14:10 [INFO] [stdout] | [INFO] [stdout] 14 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 39.26s [INFO] [stderr] Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/a4_core-56411238e42fa8ce) [INFO] running `Command { std: "docker" "inspect" "8a5582853d42490dc0aa3d067fb57e9031ab88f34cf824e10e74a3575ba6c931", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8a5582853d42490dc0aa3d067fb57e9031ab88f34cf824e10e74a3575ba6c931", kill_on_drop: false }` [INFO] [stdout] 8a5582853d42490dc0aa3d067fb57e9031ab88f34cf824e10e74a3575ba6c931 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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] 3875b6b34db1b8ac5ebe6d47530d5bdb6d7b89cd120305e404c756ab1b6e2e4a [INFO] running `Command { std: "docker" "start" "-a" "3875b6b34db1b8ac5ebe6d47530d5bdb6d7b89cd120305e404c756ab1b6e2e4a", kill_on_drop: false }` [INFO] [stderr] warning: field is never read: `err` [INFO] [stderr] --> src/nostd_rt.rs:17:5 [INFO] [stderr] | [INFO] [stderr] 17 | err: Error, [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] note: `HVecStack` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] --> src/nostd_rt.rs:14:10 [INFO] [stderr] | [INFO] [stderr] 14 | #[derive(Debug)] [INFO] [stderr] | ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: field is never read: `err` [INFO] [stderr] --> src/std_rt.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 13 | err: Error, [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] note: `StdVecStack` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] --> src/std_rt.rs:10:10 [INFO] [stderr] | [INFO] [stderr] 10 | #[derive(Debug)] [INFO] [stderr] | ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: field is never read: `contents` [INFO] [stderr] --> src/compiler.rs:248:9 [INFO] [stderr] | [INFO] [stderr] 248 | contents: Vec, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: `Chunk` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] --> src/compiler.rs:234:10 [INFO] [stderr] | [INFO] [stderr] 234 | #[derive(Debug)] [INFO] [stderr] | ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: field is never read: `err` [INFO] [stderr] --> src/nostd_rt.rs:17:5 [INFO] [stderr] | [INFO] [stderr] 17 | err: Error, [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: `HVecStack` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] --> src/nostd_rt.rs:14:10 [INFO] [stderr] | [INFO] [stderr] 14 | #[derive(Debug)] [INFO] [stderr] | ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: `a4-core` (lib) generated 1 warning [INFO] [stderr] warning: `a4-core` (lib test) generated 3 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.09s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/a4_core-56411238e42fa8ce) [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stderr] Doc-tests a4-core [INFO] [stdout] test nostd_test::foo ... ok [INFO] [stdout] test std_test::foo ... ok [INFO] [stdout] test ser_de::test::roundtrip ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "3875b6b34db1b8ac5ebe6d47530d5bdb6d7b89cd120305e404c756ab1b6e2e4a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3875b6b34db1b8ac5ebe6d47530d5bdb6d7b89cd120305e404c756ab1b6e2e4a", kill_on_drop: false }` [INFO] [stdout] 3875b6b34db1b8ac5ebe6d47530d5bdb6d7b89cd120305e404c756ab1b6e2e4a