[INFO] fetching crate tao-log 1.0.1...
[INFO] testing tao-log-1.0.1 against 1.100.0-beta.1+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate tao-log 1.0.1 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate tao-log 1.0.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate tao-log 1.0.1
[INFO] tweaked toml for crates.io crate tao-log 1.0.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tao-log 1.0.1 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "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" "+1.100.0-beta.1" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 18 packages to highest compatible versions
[INFO] [stderr]       Adding parking_lot v0.9.0 (available: v0.12.5)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 422d1fee420b3547bb4cba03291d224329da31f3a1bf0e529dc3028ed46a374a
[INFO] running `Command { std: "docker" "start" "422d1fee420b3547bb4cba03291d224329da31f3a1bf0e529dc3028ed46a374a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "422d1fee420b3547bb4cba03291d224329da31f3a1bf0e529dc3028ed46a374a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "422d1fee420b3547bb4cba03291d224329da31f3a1bf0e529dc3028ed46a374a" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "422d1fee420b3547bb4cba03291d224329da31f3a1bf0e529dc3028ed46a374a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "422d1fee420b3547bb4cba03291d224329da31f3a1bf0e529dc3028ed46a374a" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling tao-log v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "422d1fee420b3547bb4cba03291d224329da31f3a1bf0e529dc3028ed46a374a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "422d1fee420b3547bb4cba03291d224329da31f3a1bf0e529dc3028ed46a374a" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling smallvec v0.6.14
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling parking_lot_core v0.6.3
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling tao-log v1.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> tests/log_v.rs:37:49
[INFO] [stdout]    |
[INFO] [stdout] 37 |         assert!(t == "log_v" || t == "special", t);
[INFO] [stdout]    |                                                 ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[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] 37 |         assert!(t == "log_v" || t == "special", "{}", t);
[INFO] [stdout]    |                                                 +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> tests/fatal.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn lock(&self) -> ReentrantMutexGuard<RefCell<Option<String>>> {
[INFO] [stdout]    |             ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |             |
[INFO] [stdout]    |             the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn lock(&self) -> ReentrantMutexGuard<'_, RefCell<Option<String>>> {
[INFO] [stdout]    |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]   --> tests/fatal.rs:60:14
[INFO] [stdout]    |
[INFO] [stdout] 60 |     unsafe { LOG_STATE.as_ref().unwrap().clone() }
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]    = help: use a type that relies on "interior mutability" instead; to read more on this, visit <https://doc.rust-lang.org/reference/interior-mutability.html>
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]    = note: `#[warn(static_mut_refs)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 3.76s
[INFO] running `Command { std: "docker" "inspect" "422d1fee420b3547bb4cba03291d224329da31f3a1bf0e529dc3028ed46a374a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "422d1fee420b3547bb4cba03291d224329da31f3a1bf0e529dc3028ed46a374a" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> tests/fatal.rs:25:13
[INFO] [stderr]    |
[INFO] [stderr] 25 |     fn lock(&self) -> ReentrantMutexGuard<RefCell<Option<String>>> {
[INFO] [stderr]    |             ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |             |
[INFO] [stderr]    |             the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 25 |     fn lock(&self) -> ReentrantMutexGuard<'_, RefCell<Option<String>>> {
[INFO] [stderr]    |                                           +++
[INFO] [stderr] 
[INFO] [stderr] warning: creating a shared reference to mutable static
[INFO] [stderr]   --> tests/fatal.rs:60:14
[INFO] [stderr]    |
[INFO] [stderr] 60 |     unsafe { LOG_STATE.as_ref().unwrap().clone() }
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stderr]    |
[INFO] [stderr]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stderr]    = help: use a type that relies on "interior mutability" instead; to read more on this, visit <https://doc.rust-lang.org/reference/interior-mutability.html>
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stderr]    = note: `#[warn(static_mut_refs)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]   --> tests/log_v.rs:37:49
[INFO] [stderr]    |
[INFO] [stderr] 37 |         assert!(t == "log_v" || t == "special", t);
[INFO] [stderr]    |                                                 ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[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] 37 |         assert!(t == "log_v" || t == "special", "{}", t);
[INFO] [stderr]    |                                                 +++++
[INFO] [stderr] 
[INFO] [stderr] warning: `tao-log` (test "fatal") generated 2 warnings (run `cargo fix --test "fatal" -p tao-log` to apply 1 suggestion)
[INFO] [stderr] warning: `tao-log` (test "log_v") generated 1 warning (run `cargo fix --test "log_v" -p tao-log` to apply 1 suggestion)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/release/build/tao-log/6373ed6e9d1fd704/out/tao_log-6373ed6e9d1fd704)
[INFO] [stderr]      Running tests/fatal.rs (/opt/rustwide/target/release/build/tao-log/73a2391d6f235d56/out/fatal-73a2391d6f235d56)
[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] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stderr]      Running tests/log_v.rs (/opt/rustwide/target/release/build/tao-log/1b66e3ed217cedf0/out/log_v-1b66e3ed217cedf0)
[INFO] [stdout] test fatal_static_msg - should panic ... ok
[INFO] [stdout] test fatal_format_msg - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] INFO  Start of test (test output follows)
[INFO] [stdout] DEBUG i → 32
[INFO] [stdout] DEBUG i+1 → 33
[INFO] [stderr] 
[INFO] [stderr] thread 'main' (351) panicked at tests/log_v.rs:60:5:
[INFO] [stderr] assertion `left == right` failed
[INFO] [stderr]   left: Some("i+1 → 33")
[INFO] [stderr]  right: Some("i + 1 → 33")
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x5c5357946921 - <<std[617be2ca0a6fd877]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[a373ad73a504971]::fmt::Display>::fmt
[INFO] [stderr]    1:     0x5c53579577ba - core[a373ad73a504971]::fmt::write
[INFO] [stderr]    2:     0x5c5357949eac - <std[617be2ca0a6fd877]::sys::stdio::unix::Stderr as core[a373ad73a504971]::io::write::Write>::write_fmt
[INFO] [stderr]    3:     0x5c53579308d6 - std[617be2ca0a6fd877]::panicking::default_hook::{closure#0}
[INFO] [stderr]    4:     0x5c5357943091 - std[617be2ca0a6fd877]::panicking::default_hook
[INFO] [stderr]    5:     0x5c535794324b - std[617be2ca0a6fd877]::panicking::panic_with_hook
[INFO] [stderr]    6:     0x5c5357930982 - std[617be2ca0a6fd877]::panicking::panic_handler::{closure#0}
[INFO] [stderr]    7:     0x5c5357929b09 - std[617be2ca0a6fd877]::sys::backtrace::__rust_end_short_backtrace::<std[617be2ca0a6fd877]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]    8:     0x5c535793114d - __rustc[ea4f61d10b84890b]::rust_begin_unwind
[INFO] [stderr]    9:     0x5c5357957eec - core[a373ad73a504971]::panicking::panic_fmt
[INFO] [stderr]   10:     0x5c5357957e03 - core[a373ad73a504971]::panicking::assert_failed_inner
[INFO] [stderr]   11:     0x5c535791c0a9 - core[a373ad73a504971]::panicking::assert_failed::<core[a373ad73a504971]::option::Option<alloc[2e1b2a31b91974c5]::string::String>, core[a373ad73a504971]::option::Option<alloc[2e1b2a31b91974c5]::string::String>>
[INFO] [stderr]   12:     0x5c535791ea93 - log_v[97d0185639f20f57]::main
[INFO] [stderr]   13:     0x5c535791c133 - std[617be2ca0a6fd877]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stderr]   14:     0x5c535791c149 - std[617be2ca0a6fd877]::rt::lang_start::<()>::{closure#0}
[INFO] [stderr]   15:     0x5c5357942838 - std[617be2ca0a6fd877]::rt::lang_start_internal
[INFO] [stderr]   16:     0x5c535791f8e5 - main
[INFO] [stderr]   17:     0x75178b033601 - <unknown>
[INFO] [stderr]   18:     0x75178b033718 - __libc_start_main
[INFO] [stderr]   19:     0x5c535791bee5 - _start
[INFO] [stderr]   20:                0x0 - <unknown>
[INFO] [stderr] error: test failed, to rerun pass `--test log_v`
[INFO] running `Command { std: "docker" "inspect" "422d1fee420b3547bb4cba03291d224329da31f3a1bf0e529dc3028ed46a374a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "422d1fee420b3547bb4cba03291d224329da31f3a1bf0e529dc3028ed46a374a", kill_on_drop: false }`
[INFO] [stdout] 422d1fee420b3547bb4cba03291d224329da31f3a1bf0e529dc3028ed46a374a
