[INFO] fetching crate lightning-log 1.1.0...
[INFO] testing lightning-log-1.1.0 against try#db823df02fd0c2cf67b43025ac3fef3f2d743245 for pr-150681
[INFO] extracting crate lightning-log 1.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate lightning-log 1.1.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate lightning-log 1.1.0
[INFO] tweaked toml for crates.io crate lightning-log 1.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate lightning-log 1.1.0 on toolchain db823df02fd0c2cf67b43025ac3fef3f2d743245
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate lightning-log 1.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "inspect" "7f061f6c17b1b2d7057a3936360ea40f885adfc827cf14bba9c3d60916f44894", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f061f6c17b1b2d7057a3936360ea40f885adfc827cf14bba9c3d60916f44894", kill_on_drop: false }`
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[INFO] [stdout] 4c7aa21ee43de6ec5bc45f29bba8fdd9f853ea8bfa3b3d238f769cbdd6541fe3
[INFO] running `Command { std: "docker" "start" "-a" "4c7aa21ee43de6ec5bc45f29bba8fdd9f853ea8bfa3b3d238f769cbdd6541fe3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling num_cpus v1.17.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling core_affinity v0.8.3
[INFO] [stderr]    Compiling lightning-log v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.04s
[INFO] running `Command { std: "docker" "inspect" "4c7aa21ee43de6ec5bc45f29bba8fdd9f853ea8bfa3b3d238f769cbdd6541fe3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c7aa21ee43de6ec5bc45f29bba8fdd9f853ea8bfa3b3d238f769cbdd6541fe3", kill_on_drop: false }`
[INFO] [stdout] 4c7aa21ee43de6ec5bc45f29bba8fdd9f853ea8bfa3b3d238f769cbdd6541fe3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bde2e25985f0fa77aae5ed57895366635218d42755b4604bdc6b523c9090f805
[INFO] running `Command { std: "docker" "start" "-a" "bde2e25985f0fa77aae5ed57895366635218d42755b4604bdc6b523c9090f805", kill_on_drop: false }`
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[INFO] [stderr]    Compiling cfg-if v1.0.3
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling zerocopy v0.8.26
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[INFO] [stderr]    Compiling lightning-log v1.1.0 (/opt/rustwide/workdir)
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[INFO] [stdout] warning: variable `trade_count` is assigned to, but never used
[INFO] [stdout]   --> examples/basic_usage.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let mut trade_count = 0;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_trade_count` instead
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `trade_count` is never read
[INFO] [stdout]   --> examples/basic_usage.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |         trade_count += 1;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `timestamp` is never read
[INFO] [stdout]   --> examples/trading_simulation.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout]  7 | struct Order {
[INFO] [stdout]    |        ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 13 |     timestamp: u64,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Order` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `orders` and `market_data` are never read
[INFO] [stdout]   --> examples/trading_simulation.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | struct TradingEngine {
[INFO] [stdout]    |        ------------- fields in this struct
[INFO] [stdout] 27 |     orders: HashMap<u64, Order>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 28 |     market_data: HashMap<String, MarketData>,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1m 03s
[INFO] running `Command { std: "docker" "inspect" "bde2e25985f0fa77aae5ed57895366635218d42755b4604bdc6b523c9090f805", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bde2e25985f0fa77aae5ed57895366635218d42755b4604bdc6b523c9090f805", kill_on_drop: false }`
[INFO] [stdout] bde2e25985f0fa77aae5ed57895366635218d42755b4604bdc6b523c9090f805
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 515d156b3b9d6507cc9a884eb602a248632d46b29f2c8cb86ad375896aa9c9f1
[INFO] running `Command { std: "docker" "start" "-a" "515d156b3b9d6507cc9a884eb602a248632d46b29f2c8cb86ad375896aa9c9f1", kill_on_drop: false }`
[INFO] [stderr] warning: field `timestamp` is never read
[INFO] [stderr]   --> examples/trading_simulation.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr]  7 | struct Order {
[INFO] [stderr]    |        ----- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 13 |     timestamp: u64,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Order` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `orders` and `market_data` are never read
[INFO] [stderr]   --> examples/trading_simulation.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 26 | struct TradingEngine {
[INFO] [stderr]    |        ------------- fields in this struct
[INFO] [stderr] 27 |     orders: HashMap<u64, Order>,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 28 |     market_data: HashMap<String, MarketData>,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `trade_count` is assigned to, but never used
[INFO] [stderr]   --> examples/basic_usage.rs:21:9
[INFO] [stderr]    |
[INFO] [stderr] 21 |     let mut trade_count = 0;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: consider using `_trade_count` instead
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `trade_count` is never read
[INFO] [stderr]   --> examples/basic_usage.rs:27:9
[INFO] [stderr]    |
[INFO] [stderr] 27 |         trade_count += 1;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `lightning-log` (example "trading_simulation") generated 2 warnings
[INFO] [stderr] warning: `lightning-log` (example "basic_usage") generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/lightning_log-36c25471ba263c15)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::test_basic_logging ... ok
[INFO] [stdout] test tests::test_message_formats ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests lightning_log
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 17) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 46) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 17) stdout ----
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/lib.rs:26:31
[INFO] [stdout]     |
[INFO] [stdout]  26 | register_message_format(1001, "Trade executed: volume={}, price={}, symbol={}");
[INFO] [stdout]     | -----------------------       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `String`, found `&str`
[INFO] [stdout]     | |
[INFO] [stdout]     | arguments to this function are incorrect
[INFO] [stdout]     |
[INFO] [stdout] note: function defined here
[INFO] [stdout]    --> src/lib.rs:662:8
[INFO] [stdout]     |
[INFO] [stdout] 662 | pub fn register_message_format(message_id: u32, format: String) -> Result<(), &'static str> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: try using a conversion method
[INFO] [stdout]     |
[INFO] [stdout]  26 | register_message_format(1001, "Trade executed: volume={}, price={}, symbol={}".to_string());
[INFO] [stdout]     |                                                                               ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 17)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.43s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.56s; merged doctests compilation took 0.13s
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "515d156b3b9d6507cc9a884eb602a248632d46b29f2c8cb86ad375896aa9c9f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "515d156b3b9d6507cc9a884eb602a248632d46b29f2c8cb86ad375896aa9c9f1", kill_on_drop: false }`
[INFO] [stdout] 515d156b3b9d6507cc9a884eb602a248632d46b29f2c8cb86ad375896aa9c9f1
