[INFO] fetching crate micro-timer 0.4.0...
[INFO] testing micro-timer-0.4.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate micro-timer 0.4.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate micro-timer 0.4.0
[INFO] finished tweaking crates.io crate micro-timer 0.4.0
[INFO] tweaked toml for crates.io crate micro-timer 0.4.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate micro-timer 0.4.0 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]     Updating crates.io index
[INFO] [stderr]      Locking 7 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] bbe2d5d403a53d6ad46bea685fbb1fcf7c726ebf1fcc42c49df200f92830d285
[INFO] running `Command { std: "docker" "start" "-a" "bbe2d5d403a53d6ad46bea685fbb1fcf7c726ebf1fcc42c49df200f92830d285", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bbe2d5d403a53d6ad46bea685fbb1fcf7c726ebf1fcc42c49df200f92830d285", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbe2d5d403a53d6ad46bea685fbb1fcf7c726ebf1fcc42c49df200f92830d285", kill_on_drop: false }`
[INFO] [stdout] bbe2d5d403a53d6ad46bea685fbb1fcf7c726ebf1fcc42c49df200f92830d285
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] eadaeb1c4cda7a220e24fd97f59e9f306c22cd20820a177f8b138d1f9d8580a2
[INFO] running `Command { std: "docker" "start" "-a" "eadaeb1c4cda7a220e24fd97f59e9f306c22cd20820a177f8b138d1f9d8580a2", kill_on_drop: false }`
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling micro-timer-macros v0.4.0
[INFO] [stderr]    Compiling micro-timer v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "eadaeb1c4cda7a220e24fd97f59e9f306c22cd20820a177f8b138d1f9d8580a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eadaeb1c4cda7a220e24fd97f59e9f306c22cd20820a177f8b138d1f9d8580a2", kill_on_drop: false }`
[INFO] [stdout] eadaeb1c4cda7a220e24fd97f59e9f306c22cd20820a177f8b138d1f9d8580a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 7c5491e3c05affd487969781331b19c356c60ee9446c2a6e5c0ee7e9108d9f0b
[INFO] running `Command { std: "docker" "start" "-a" "7c5491e3c05affd487969781331b19c356c60ee9446c2a6e5c0ee7e9108d9f0b", kill_on_drop: false }`
[INFO] [stderr]    Compiling micro-timer v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> tests/behavior.rs:13:6
[INFO] [stdout]    |
[INFO] [stdout] 13 |     };
[INFO] [stdout]    |      ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> tests/compilation.rs:57:21
[INFO] [stdout]    |
[INFO] [stdout] 57 |     fn thing(value: Thing) -> &mut String {
[INFO] [stdout]    |                     ^^^^^     ^^^^^^^^^^^ the same lifetime is elided here
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     the lifetime is hidden 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] 57 |     fn thing(value: Thing<'_>) -> &mut String {
[INFO] [stdout]    |                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused comparison that must be used
[INFO] [stdout]   --> tests/compilation.rs:73:18
[INFO] [stdout]    |
[INFO] [stdout] 73 |         unsafe { *value != 0u8 };
[INFO] [stdout]    |                  ^^^^^^^^^^^^^ the comparison produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 73 |         unsafe { let _ = *value != 0u8; };
[INFO] [stdout]    |                  +++++++              +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "7c5491e3c05affd487969781331b19c356c60ee9446c2a6e5c0ee7e9108d9f0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c5491e3c05affd487969781331b19c356c60ee9446c2a6e5c0ee7e9108d9f0b", kill_on_drop: false }`
[INFO] [stdout] 7c5491e3c05affd487969781331b19c356c60ee9446c2a6e5c0ee7e9108d9f0b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 775d68c723eda32f16fcf2998834db07c78243f887ab78210c25ebde5666a798
[INFO] running `Command { std: "docker" "start" "-a" "775d68c723eda32f16fcf2998834db07c78243f887ab78210c25ebde5666a798", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> tests/compilation.rs:57:21
[INFO] [stderr]    |
[INFO] [stderr] 57 |     fn thing(value: Thing) -> &mut String {
[INFO] [stderr]    |                     ^^^^^     ^^^^^^^^^^^ the same lifetime is elided here
[INFO] [stderr]    |                     |
[INFO] [stderr]    |                     the lifetime is hidden 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] 57 |     fn thing(value: Thing<'_>) -> &mut String {
[INFO] [stderr]    |                          ++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused comparison that must be used
[INFO] [stderr]   --> tests/compilation.rs:73:18
[INFO] [stderr]    |
[INFO] [stderr] 73 |         unsafe { *value != 0u8 };
[INFO] [stderr]    |                  ^^^^^^^^^^^^^ the comparison produces a value
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 73 |         unsafe { let _ = *value != 0u8; };
[INFO] [stderr]    |                  +++++++              +
[INFO] [stderr] 
[INFO] [stderr] warning: `micro-timer` (test "compilation") generated 2 warnings (run `cargo fix --test "compilation" -p micro-timer` to apply 1 suggestion)
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> tests/behavior.rs:13:6
[INFO] [stderr]    |
[INFO] [stderr] 13 |     };
[INFO] [stderr]    |      ^ help: remove this semicolon
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(redundant_semicolons)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `micro-timer` (test "behavior") generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/micro_timer-1dfda8622c3dd101)
[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]      Running tests/behavior.rs (/opt/rustwide/target/debug/deps/behavior-320d6b8d913348f4)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_behavior ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/compilation.rs (/opt/rustwide/target/debug/deps/compilation-0cba0685e731492c)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test test_fn_mut ... ok
[INFO] [stdout] test check_name_conflict ... ok
[INFO] [stdout] test test_mut_struct ... ok
[INFO] [stdout] test test_mut ... ok
[INFO] [stdout] test test_ref_mut ... ok
[INFO] [stdout] test test_mut_pointer ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests micro_timer
[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" "775d68c723eda32f16fcf2998834db07c78243f887ab78210c25ebde5666a798", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "775d68c723eda32f16fcf2998834db07c78243f887ab78210c25ebde5666a798", kill_on_drop: false }`
[INFO] [stdout] 775d68c723eda32f16fcf2998834db07c78243f887ab78210c25ebde5666a798