[INFO] fetching crate micrologger 0.1.0... [INFO] testing micrologger-0.1.0 against beta-2025-10-28 for beta-1.92-2 [INFO] extracting crate micrologger 0.1.0 into /workspace/builds/worker-4-tc2/source [INFO] started tweaking crates.io crate micrologger 0.1.0 [INFO] finished tweaking crates.io crate micrologger 0.1.0 [INFO] tweaked toml for crates.io crate micrologger 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate micrologger 0.1.0 on toolchain beta-2025-10-28 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "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-2025-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 38 packages to latest compatible versions [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [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_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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f0abf8912147c652e6409534ae68a73ff0d0c3ad5f31866012f78a5a7dc70ea8 [INFO] running `Command { std: "docker" "start" "-a" "f0abf8912147c652e6409534ae68a73ff0d0c3ad5f31866012f78a5a7dc70ea8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f0abf8912147c652e6409534ae68a73ff0d0c3ad5f31866012f78a5a7dc70ea8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f0abf8912147c652e6409534ae68a73ff0d0c3ad5f31866012f78a5a7dc70ea8", kill_on_drop: false }` [INFO] [stdout] f0abf8912147c652e6409534ae68a73ff0d0c3ad5f31866012f78a5a7dc70ea8 [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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 27e1c89d3e0ed8643c04ab13b70354ead5a6f69dfba3e5d6bcae4d826780f119 [INFO] running `Command { std: "docker" "start" "-a" "27e1c89d3e0ed8643c04ab13b70354ead5a6f69dfba3e5d6bcae4d826780f119", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling serde_core v1.0.228 [INFO] [stderr] Compiling serde v1.0.228 [INFO] [stderr] Compiling serde_json v1.0.145 [INFO] [stderr] Compiling memchr v2.7.6 [INFO] [stderr] Compiling syn v2.0.108 [INFO] [stderr] Compiling chrono v0.4.42 [INFO] [stderr] Compiling serde_derive v1.0.228 [INFO] [stderr] Compiling micrologger v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.53s [INFO] running `Command { std: "docker" "inspect" "27e1c89d3e0ed8643c04ab13b70354ead5a6f69dfba3e5d6bcae4d826780f119", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "27e1c89d3e0ed8643c04ab13b70354ead5a6f69dfba3e5d6bcae4d826780f119", kill_on_drop: false }` [INFO] [stdout] 27e1c89d3e0ed8643c04ab13b70354ead5a6f69dfba3e5d6bcae4d826780f119 [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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8f81c66212312a11f5a6e87a4abac6f58424a6a39591784a839e18f405820ab4 [INFO] running `Command { std: "docker" "start" "-a" "8f81c66212312a11f5a6e87a4abac6f58424a6a39591784a839e18f405820ab4", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling micrologger v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/lib.rs:174:32 [INFO] [stdout] | [INFO] [stdout] 174 | Err(err) => panic!(err), [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stdout] help: add a "{}" format string to `Display` the message [INFO] [stdout] | [INFO] [stdout] 174 | Err(err) => panic!("{}", err), [INFO] [stdout] | +++++ [INFO] [stdout] help: or use std::panic::panic_any instead [INFO] [stdout] | [INFO] [stdout] 174 - Err(err) => panic!(err), [INFO] [stdout] 174 + Err(err) => std::panic::panic_any(err), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/lib.rs:224:34 [INFO] [stdout] | [INFO] [stdout] 224 | Err(error) => panic!(error), [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: add a "{}" format string to `Display` the message [INFO] [stdout] | [INFO] [stdout] 224 | Err(error) => panic!("{}", error), [INFO] [stdout] | +++++ [INFO] [stdout] help: or use std::panic::panic_any instead [INFO] [stdout] | [INFO] [stdout] 224 - Err(error) => panic!(error), [INFO] [stdout] 224 + Err(error) => std::panic::panic_any(error), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.76s [INFO] running `Command { std: "docker" "inspect" "8f81c66212312a11f5a6e87a4abac6f58424a6a39591784a839e18f405820ab4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8f81c66212312a11f5a6e87a4abac6f58424a6a39591784a839e18f405820ab4", kill_on_drop: false }` [INFO] [stdout] 8f81c66212312a11f5a6e87a4abac6f58424a6a39591784a839e18f405820ab4 [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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 55ac16abdeb9424b89cf5270d0514b190dca2fa48a3d259401498ed8b7aa78dd [INFO] running `Command { std: "docker" "start" "-a" "55ac16abdeb9424b89cf5270d0514b190dca2fa48a3d259401498ed8b7aa78dd", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] warning: panic message is not a string literal [INFO] [stderr] --> src/lib.rs:174:32 [INFO] [stderr] | [INFO] [stderr] 174 | Err(err) => panic!(err), [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stderr] = note: for more information, see [INFO] [stderr] = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stderr] help: add a "{}" format string to `Display` the message [INFO] [stderr] | [INFO] [stderr] 174 | Err(err) => panic!("{}", err), [INFO] [stderr] | +++++ [INFO] [stderr] help: or use std::panic::panic_any instead [INFO] [stderr] | [INFO] [stderr] 174 - Err(err) => panic!(err), [INFO] [stderr] 174 + Err(err) => std::panic::panic_any(err), [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: panic message is not a string literal [INFO] [stderr] --> src/lib.rs:224:34 [INFO] [stderr] | [INFO] [stderr] 224 | Err(error) => panic!(error), [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: add a "{}" format string to `Display` the message [INFO] [stderr] | [INFO] [stderr] 224 | Err(error) => panic!("{}", error), [INFO] [stderr] | +++++ [INFO] [stderr] help: or use std::panic::panic_any instead [INFO] [stderr] | [INFO] [stderr] 224 - Err(error) => panic!(error), [INFO] [stderr] 224 + Err(error) => std::panic::panic_any(error), [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: `micrologger` (lib test) generated 2 warnings (run `cargo fix --lib -p micrologger --tests` to apply 2 suggestions) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/micrologger-a1b0ff140065413a) [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test test::it_logs_a_message ... ok [INFO] [stdout] test test::it_can_handle_a_custom_formatter ... ok [INFO] [stdout] test test::it_formats_log_messages_correctly ... ok [INFO] [stdout] test test::it_can_decode_log_entries ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s [INFO] [stdout] [INFO] [stderr] Doc-tests micrologger [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" "55ac16abdeb9424b89cf5270d0514b190dca2fa48a3d259401498ed8b7aa78dd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "55ac16abdeb9424b89cf5270d0514b190dca2fa48a3d259401498ed8b7aa78dd", kill_on_drop: false }` [INFO] [stdout] 55ac16abdeb9424b89cf5270d0514b190dca2fa48a3d259401498ed8b7aa78dd