[INFO] fetching crate logging_content 0.1.1...
[INFO] testing logging_content-0.1.1 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate logging_content 0.1.1 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate logging_content 0.1.1
[INFO] finished tweaking crates.io crate logging_content 0.1.1
[INFO] tweaked toml for crates.io crate logging_content 0.1.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate logging_content 0.1.1 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] crate crates.io crate logging_content 0.1.1 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" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 41941495641b776ae01b4373cdda6592a83184cca186b7a12c41f73a1cd5e0c7
[INFO] running `Command { std: "docker" "start" "-a" "41941495641b776ae01b4373cdda6592a83184cca186b7a12c41f73a1cd5e0c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "41941495641b776ae01b4373cdda6592a83184cca186b7a12c41f73a1cd5e0c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41941495641b776ae01b4373cdda6592a83184cca186b7a12c41f73a1cd5e0c7", kill_on_drop: false }`
[INFO] [stdout] 41941495641b776ae01b4373cdda6592a83184cca186b7a12c41f73a1cd5e0c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 2a6b3b56b1573d9628adf03cbb0a7551423da0b5a09bf375fc9f78b49740ce67
[INFO] running `Command { std: "docker" "start" "-a" "2a6b3b56b1573d9628adf03cbb0a7551423da0b5a09bf375fc9f78b49740ce67", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling logging_content v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "2a6b3b56b1573d9628adf03cbb0a7551423da0b5a09bf375fc9f78b49740ce67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a6b3b56b1573d9628adf03cbb0a7551423da0b5a09bf375fc9f78b49740ce67", kill_on_drop: false }`
[INFO] [stdout] 2a6b3b56b1573d9628adf03cbb0a7551423da0b5a09bf375fc9f78b49740ce67
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 08ea9ff91d2cf3f1a195c8d7f9cb284aa6d5f5c18cdc25cfd29e05d5a153ee50
[INFO] running `Command { std: "docker" "start" "-a" "08ea9ff91d2cf3f1a195c8d7f9cb284aa6d5f5c18cdc25cfd29e05d5a153ee50", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling syn v1.0.96
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling itoa v1.0.2
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]    Compiling rustversion v1.0.6
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling linked-hash-map v0.5.4
[INFO] [stderr]    Compiling smallvec v1.8.0
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]    Compiling ryu v1.0.10
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling indexmap v1.8.2
[INFO] [stderr]    Compiling getrandom v0.2.6
[INFO] [stderr]    Compiling terminal_size v0.1.17
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling once_cell v1.12.0
[INFO] [stderr]    Compiling num_threads v0.1.6
[INFO] [stderr]    Compiling time-macros v0.2.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling console v0.15.0
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling similar v2.1.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling termcolor v1.1.3
[INFO] [stderr]    Compiling fastrand v1.7.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling tempfile v3.3.0
[INFO] [stderr]    Compiling time v0.3.9
[INFO] [stderr]    Compiling simplelog v0.12.0
[INFO] [stderr]    Compiling serial_test_derive v0.7.0
[INFO] [stderr]    Compiling serial_test v0.7.0
[INFO] [stderr]    Compiling serde_yaml v0.8.24
[INFO] [stderr]    Compiling insta v1.14.1
[INFO] [stderr]    Compiling logging_content v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: methods `log_error_msg`, `log_debug_msg`, and `log_trace_msg` are never used
[INFO] [stdout]   --> src/lib.rs:18:16
[INFO] [stdout]    |
[INFO] [stdout] 15 |         pub trait LogContent: Sized {
[INFO] [stdout]    |                   ---------- methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 18 |             fn log_error_msg(self, msg: &str) -> Self {
[INFO] [stdout]    |                ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |             fn log_debug_msg(self, msg: &str) -> Self {
[INFO] [stdout]    |                ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |             fn log_trace_msg(self, msg: &str) -> Self {
[INFO] [stdout]    |                ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/option.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 |     crate::trait_LogContent!();
[INFO] [stdout]    |     -------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]    = note: this warning originates in the macro `$crate::trait_LogContent` which comes from the expansion of the macro `crate::trait_LogContent` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `log_warn_msg`, `log_debug_msg`, and `log_trace_msg` are never used
[INFO] [stdout]   --> src/lib.rs:22:16
[INFO] [stdout]    |
[INFO] [stdout] 15 |         pub trait LogContent: Sized {
[INFO] [stdout]    |                   ---------- methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 22 |             fn log_warn_msg(self, msg: &str) -> Self {
[INFO] [stdout]    |                ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |             fn log_debug_msg(self, msg: &str) -> Self {
[INFO] [stdout]    |                ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |             fn log_trace_msg(self, msg: &str) -> Self {
[INFO] [stdout]    |                ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/result.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     crate::trait_LogContent!();
[INFO] [stdout]    |     -------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `$crate::trait_LogContent` which comes from the expansion of the macro `crate::trait_LogContent` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `log_error_msg`, `log_warn_msg`, and `log_trace_msg` are never used
[INFO] [stdout]    --> src/lib.rs:18:16
[INFO] [stdout]     |
[INFO] [stdout]  15 |         pub trait LogContent: Sized {
[INFO] [stdout]     |                   ---------- methods in this trait
[INFO] [stdout] ...
[INFO] [stdout]  18 |             fn log_error_msg(self, msg: &str) -> Self {
[INFO] [stdout]     |                ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  22 |             fn log_warn_msg(self, msg: &str) -> Self {
[INFO] [stdout]     |                ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  34 |             fn log_trace_msg(self, msg: &str) -> Self {
[INFO] [stdout]     |                ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 117 |         trait_LogContent!();
[INFO] [stdout]     |         ------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `$crate::trait_LogContent` which comes from the expansion of the macro `trait_LogContent` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 32.19s
[INFO] running `Command { std: "docker" "inspect" "08ea9ff91d2cf3f1a195c8d7f9cb284aa6d5f5c18cdc25cfd29e05d5a153ee50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08ea9ff91d2cf3f1a195c8d7f9cb284aa6d5f5c18cdc25cfd29e05d5a153ee50", kill_on_drop: false }`
[INFO] [stdout] 08ea9ff91d2cf3f1a195c8d7f9cb284aa6d5f5c18cdc25cfd29e05d5a153ee50
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 3379150469d6224b1bac4958c911b9380142781ab28d2de849852ce82bb48c49
[INFO] running `Command { std: "docker" "start" "-a" "3379150469d6224b1bac4958c911b9380142781ab28d2de849852ce82bb48c49", kill_on_drop: false }`
[INFO] [stderr] warning: methods `log_error_msg`, `log_debug_msg`, and `log_trace_msg` are never used
[INFO] [stderr]   --> src/lib.rs:18:16
[INFO] [stderr]    |
[INFO] [stderr] 15 |         pub trait LogContent: Sized {
[INFO] [stderr]    |                   ---------- methods in this trait
[INFO] [stderr] ...
[INFO] [stderr] 18 |             fn log_error_msg(self, msg: &str) -> Self {
[INFO] [stderr]    |                ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 30 |             fn log_debug_msg(self, msg: &str) -> Self {
[INFO] [stderr]    |                ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 34 |             fn log_trace_msg(self, msg: &str) -> Self {
[INFO] [stderr]    |                ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]   ::: src/option.rs:50:5
[INFO] [stderr]    |
[INFO] [stderr] 50 |     crate::trait_LogContent!();
[INFO] [stderr]    |     -------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr]    = note: this warning originates in the macro `$crate::trait_LogContent` which comes from the expansion of the macro `crate::trait_LogContent` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: methods `log_warn_msg`, `log_debug_msg`, and `log_trace_msg` are never used
[INFO] [stderr]   --> src/lib.rs:22:16
[INFO] [stderr]    |
[INFO] [stderr] 15 |         pub trait LogContent: Sized {
[INFO] [stderr]    |                   ---------- methods in this trait
[INFO] [stderr] ...
[INFO] [stderr] 22 |             fn log_warn_msg(self, msg: &str) -> Self {
[INFO] [stderr]    |                ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 30 |             fn log_debug_msg(self, msg: &str) -> Self {
[INFO] [stderr]    |                ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 34 |             fn log_trace_msg(self, msg: &str) -> Self {
[INFO] [stderr]    |                ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]   ::: src/result.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 51 |     crate::trait_LogContent!();
[INFO] [stderr]    |     -------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in the macro `$crate::trait_LogContent` which comes from the expansion of the macro `crate::trait_LogContent` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: methods `log_error_msg`, `log_warn_msg`, and `log_trace_msg` are never used
[INFO] [stderr]    --> src/lib.rs:18:16
[INFO] [stderr]     |
[INFO] [stderr]  15 |         pub trait LogContent: Sized {
[INFO] [stderr]     |                   ---------- methods in this trait
[INFO] [stderr] ...
[INFO] [stderr]  18 |             fn log_error_msg(self, msg: &str) -> Self {
[INFO] [stderr]     |                ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr]  22 |             fn log_warn_msg(self, msg: &str) -> Self {
[INFO] [stderr]     |                ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr]  34 |             fn log_trace_msg(self, msg: &str) -> Self {
[INFO] [stderr]     |                ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 117 |         trait_LogContent!();
[INFO] [stderr]     |         ------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `$crate::trait_LogContent` which comes from the expansion of the macro `trait_LogContent` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `logging_content` (lib test) generated 3 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/logging_content-3a96f73d0aa9fa0c)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::custom_struct_example ... ok
[INFO] [stdout] test result::conversion_result ... ok
[INFO] [stdout] test option::load_env_vars ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.09s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests logging_content
[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" "3379150469d6224b1bac4958c911b9380142781ab28d2de849852ce82bb48c49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3379150469d6224b1bac4958c911b9380142781ab28d2de849852ce82bb48c49", kill_on_drop: false }`
[INFO] [stdout] 3379150469d6224b1bac4958c911b9380142781ab28d2de849852ce82bb48c49
