[INFO] fetching crate sterling 1.0.1...
[INFO] testing sterling-1.0.1 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate sterling 1.0.1 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate sterling 1.0.1
[INFO] finished tweaking crates.io crate sterling 1.0.1
[INFO] tweaked toml for crates.io crate sterling 1.0.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate sterling 1.0.1 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 66 packages to latest compatible versions
[INFO] [stderr]       Adding clap v2.34.0 (available: v4.6.1)
[INFO] [stderr]       Adding criterion v0.2.11 (available: v0.8.2)
[INFO] [stderr]       Adding separator v0.3.1 (available: v0.4.1)
[INFO] [stderr]       Adding serde_yaml v0.7.5 (available: v0.9.34+deprecated)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9d04c1eb56fa23297c5f428ba1039b38cf70bd0ea6c6f77e2e573c99bd1509c1
[INFO] running `Command { std: "docker" "start" "-a" "9d04c1eb56fa23297c5f428ba1039b38cf70bd0ea6c6f77e2e573c99bd1509c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9d04c1eb56fa23297c5f428ba1039b38cf70bd0ea6c6f77e2e573c99bd1509c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d04c1eb56fa23297c5f428ba1039b38cf70bd0ea6c6f77e2e573c99bd1509c1", kill_on_drop: false }`
[INFO] [stdout] 9d04c1eb56fa23297c5f428ba1039b38cf70bd0ea6c6f77e2e573c99bd1509c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e665677282829a752a1335f304b250297410d25c7d0f6a27ec3991e9182c0585
[INFO] running `Command { std: "docker" "start" "-a" "e665677282829a752a1335f304b250297410d25c7d0f6a27ec3991e9182c0585", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]    Compiling separator v0.3.1
[INFO] [stderr]    Compiling lazysort v0.2.1
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling serde_yaml v0.7.5
[INFO] [stderr]    Compiling sterling v1.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/config.rs:80:25
[INFO] [stdout]    |
[INFO] [stdout] 80 |             desc: error.description().to_owned(),
[INFO] [stdout]    |                         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/config.rs:89:25
[INFO] [stdout]    |
[INFO] [stdout] 89 |             desc: error.description().to_owned(),
[INFO] [stdout]    |                         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.72s
[INFO] running `Command { std: "docker" "inspect" "e665677282829a752a1335f304b250297410d25c7d0f6a27ec3991e9182c0585", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e665677282829a752a1335f304b250297410d25c7d0f6a27ec3991e9182c0585", kill_on_drop: false }`
[INFO] [stdout] e665677282829a752a1335f304b250297410d25c7d0f6a27ec3991e9182c0585
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 85d2a0cba5015bc05d4b2d80226ba5fd98bdccd43c298076c2ea1736a8332e69
[INFO] running `Command { std: "docker" "start" "-a" "85d2a0cba5015bc05d4b2d80226ba5fd98bdccd43c298076c2ea1736a8332e69", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling csv-core v0.1.13
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling rayon v1.12.0
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/config.rs:80:25
[INFO] [stdout]    |
[INFO] [stdout] 80 |             desc: error.description().to_owned(),
[INFO] [stdout]    |                         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/config.rs:89:25
[INFO] [stdout]    |
[INFO] [stdout] 89 |             desc: error.description().to_owned(),
[INFO] [stdout]    |                         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling csv v1.4.0
[INFO] [stderr]    Compiling rand_xoshiro v0.1.0
[INFO] [stderr]    Compiling criterion-plot v0.3.1
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.2.11
[INFO] [stderr]    Compiling sterling v1.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/config.rs:80:25
[INFO] [stdout]    |
[INFO] [stdout] 80 |             desc: error.description().to_owned(),
[INFO] [stdout]    |                         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/config.rs:89:25
[INFO] [stdout]    |
[INFO] [stdout] 89 |             desc: error.description().to_owned(),
[INFO] [stdout]    |                         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 6.55s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.2.11
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "85d2a0cba5015bc05d4b2d80226ba5fd98bdccd43c298076c2ea1736a8332e69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85d2a0cba5015bc05d4b2d80226ba5fd98bdccd43c298076c2ea1736a8332e69", kill_on_drop: false }`
[INFO] [stdout] 85d2a0cba5015bc05d4b2d80226ba5fd98bdccd43c298076c2ea1736a8332e69
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a82033d122733cb47cc652b0c32a5e2e75e3bcb29c1851ffec5260f1b96c071f
[INFO] running `Command { std: "docker" "start" "-a" "a82033d122733cb47cc652b0c32a5e2e75e3bcb29c1851ffec5260f1b96c071f", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/config.rs:80:25
[INFO] [stderr]    |
[INFO] [stderr] 80 |             desc: error.description().to_owned(),
[INFO] [stderr]    |                         ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/config.rs:89:25
[INFO] [stderr]    |
[INFO] [stderr] 89 |             desc: error.description().to_owned(),
[INFO] [stderr]    |                         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `sterling` (lib) generated 2 warnings
[INFO] [stderr] warning: `sterling` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.2.11
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/sterling_ops-f674712aadb51bdf)
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test test::test_get_rates ... ok
[INFO] [stdout] test convert::tests::test_calculate_total_copper_value ... ok
[INFO] [stdout] test test::test_div_operation_odd_dividend ... ok
[INFO] [stdout] test test::test_mul_operation ... ok
[INFO] [stdout] test test::test_add_operation_diff_currencies ... ok
[INFO] [stdout] test test::test_sub_operation_larger_subtrahend ... ok
[INFO] [stdout] test test::test_sub_operation_smaller_subtrahend ... ok
[INFO] [stdout] test test::test_copper_operation ... ok
[INFO] [stdout] test test::test_div_operation_even_dividend ... ok
[INFO] [stdout] test convert::tests::test_exchange_currencies ... ok
[INFO] [stdout] test test::test_add_operation_same_currencies ... ok
[INFO] [stdout] test test::test_default_operation ... ok
[INFO] [stdout] test test::test_default_operation_plural_output ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/sterling-1421082744d1fa52)
[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] [stderr]    Doc-tests sterling_ops
[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" "a82033d122733cb47cc652b0c32a5e2e75e3bcb29c1851ffec5260f1b96c071f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a82033d122733cb47cc652b0c32a5e2e75e3bcb29c1851ffec5260f1b96c071f", kill_on_drop: false }`
[INFO] [stdout] a82033d122733cb47cc652b0c32a5e2e75e3bcb29c1851ffec5260f1b96c071f
