[INFO] fetching crate rtt-log 0.3.0...
[INFO] checking rtt-log-0.3.0 against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2
[INFO] extracting crate rtt-log 0.3.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate rtt-log 0.3.0 on toolchain f609b7e0586f81fefb3523e3e17adf779ac416be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rtt-log 0.3.0
[INFO] finished tweaking crates.io crate rtt-log 0.3.0
[INFO] tweaked toml for crates.io crate rtt-log 0.3.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 4 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rtt-target v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 17ac0db22f5f38181ad606a1f837e2b47823aa2c1bfdaa7355fe553cfddad6e5
[INFO] running `Command { std: "docker" "start" "-a" "17ac0db22f5f38181ad606a1f837e2b47823aa2c1bfdaa7355fe553cfddad6e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "17ac0db22f5f38181ad606a1f837e2b47823aa2c1bfdaa7355fe553cfddad6e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17ac0db22f5f38181ad606a1f837e2b47823aa2c1bfdaa7355fe553cfddad6e5", kill_on_drop: false }`
[INFO] [stdout] 17ac0db22f5f38181ad606a1f837e2b47823aa2c1bfdaa7355fe553cfddad6e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 66033a710faf8e1ded1c8235f1a25e9d16fd010d99c6e8ad3d8e3199f64b7477
[INFO] running `Command { std: "docker" "start" "-a" "66033a710faf8e1ded1c8235f1a25e9d16fd010d99c6e8ad3d8e3199f64b7477", kill_on_drop: false }`
[INFO] [stderr]     Checking critical-section v1.1.3
[INFO] [stderr]     Checking ufmt-write v0.1.0
[INFO] [stderr]     Checking rtt-target v0.5.0
[INFO] [stderr]     Checking rtt-log v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: creating a shared reference to mutable static is discouraged
[INFO] [stdout]   --> src/lib.rs:44:25
[INFO] [stdout]    |
[INFO] [stdout] 44 |         log::set_logger(&LOGGER).ok();
[INFO] [stdout]    |                         ^^^^^^^ shared reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see issue #114447 <https://github.com/rust-lang/rust/issues/114447>
[INFO] [stdout]    = note: this will be a hard error in the 2024 edition
[INFO] [stdout]    = note: this shared reference has lifetime `'static`, but if the static ever gets mutated, or a mutable reference is created, then any further use of this shared reference is Undefined Behavior
[INFO] [stdout]    = note: `#[warn(static_mut_refs)]` on by default
[INFO] [stdout] help: use `addr_of!` instead to create a raw pointer
[INFO] [stdout]    |
[INFO] [stdout] 44 |         log::set_logger(addr_of!(LOGGER)).ok();
[INFO] [stdout]    |                         ~~~~~~~~~      +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static is discouraged
[INFO] [stdout]   --> src/lib.rs:44:25
[INFO] [stdout]    |
[INFO] [stdout] 44 |         log::set_logger(&LOGGER).ok();
[INFO] [stdout]    |                         ^^^^^^^ shared reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see issue #114447 <https://github.com/rust-lang/rust/issues/114447>
[INFO] [stdout]    = note: this will be a hard error in the 2024 edition
[INFO] [stdout]    = note: this shared reference has lifetime `'static`, but if the static ever gets mutated, or a mutable reference is created, then any further use of this shared reference is Undefined Behavior
[INFO] [stdout]    = note: `#[warn(static_mut_refs)]` on by default
[INFO] [stdout] help: use `addr_of!` instead to create a raw pointer
[INFO] [stdout]    |
[INFO] [stdout] 44 |         log::set_logger(addr_of!(LOGGER)).ok();
[INFO] [stdout]    |                         ~~~~~~~~~      +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "66033a710faf8e1ded1c8235f1a25e9d16fd010d99c6e8ad3d8e3199f64b7477", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66033a710faf8e1ded1c8235f1a25e9d16fd010d99c6e8ad3d8e3199f64b7477", kill_on_drop: false }`
[INFO] [stdout] 66033a710faf8e1ded1c8235f1a25e9d16fd010d99c6e8ad3d8e3199f64b7477