[INFO] fetching crate threeflow 0.3.1...
[INFO] checking threeflow-0.3.1 against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2
[INFO] extracting crate threeflow 0.3.1 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate threeflow 0.3.1 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 threeflow 0.3.1
[INFO] finished tweaking crates.io crate threeflow 0.3.1
[INFO] tweaked toml for crates.io crate threeflow 0.3.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate threeflow 0.3.1 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" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 84a1b3900dfa6f301fe7bb8dd90be71674c27f301ecfd9b74b8e2e573d95a6f0
[INFO] running `Command { std: "docker" "start" "-a" "84a1b3900dfa6f301fe7bb8dd90be71674c27f301ecfd9b74b8e2e573d95a6f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "84a1b3900dfa6f301fe7bb8dd90be71674c27f301ecfd9b74b8e2e573d95a6f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84a1b3900dfa6f301fe7bb8dd90be71674c27f301ecfd9b74b8e2e573d95a6f0", kill_on_drop: false }`
[INFO] [stdout] 84a1b3900dfa6f301fe7bb8dd90be71674c27f301ecfd9b74b8e2e573d95a6f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 900e261872c5b61a59c4aef88ff081800bc59153a081ad469d114791be14b838
[INFO] running `Command { std: "docker" "start" "-a" "900e261872c5b61a59c4aef88ff081800bc59153a081ad469d114791be14b838", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking os_str_bytes v6.6.1
[INFO] [stderr]     Checking termcolor v1.4.1
[INFO] [stderr]     Checking textwrap v0.16.0
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v3.2.25
[INFO] [stderr]     Checking chrono v0.4.34
[INFO] [stderr]     Checking threeflow v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: creating a shared reference to mutable static is discouraged
[INFO] [stdout]    --> src/main.rs:142:32
[INFO] [stdout]     |
[INFO] [stdout] 142 |     let working_dir = unsafe { &WORKING_DIRECTORY };
[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] 142 |     let working_dir = unsafe { addr_of!(WORKING_DIRECTORY) };
[INFO] [stdout]     |                                ~~~~~~~~~                 +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static is discouraged
[INFO] [stdout]    --> src/main.rs:142:32
[INFO] [stdout]     |
[INFO] [stdout] 142 |     let working_dir = unsafe { &WORKING_DIRECTORY };
[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] 142 |     let working_dir = unsafe { addr_of!(WORKING_DIRECTORY) };
[INFO] [stdout]     |                                ~~~~~~~~~                 +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `log` is never used
[INFO] [stdout]    --> src/main.rs:292:4
[INFO] [stdout]     |
[INFO] [stdout] 292 | fn log(message: &str) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]     |    ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `log` is never used
[INFO] [stdout]    --> src/main.rs:292:4
[INFO] [stdout]     |
[INFO] [stdout] 292 | fn log(message: &str) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]     |    ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Default` and `Squash` are never constructed
[INFO] [stdout]    --> src/main.rs:333:5
[INFO] [stdout]     |
[INFO] [stdout] 331 | enum MergeType {
[INFO] [stdout]     |      --------- variants in this enum
[INFO] [stdout] 332 |     Merge,
[INFO] [stdout] 333 |     Default,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 334 |     FastForward,
[INFO] [stdout] 335 |     Squash,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Default` and `Squash` are never constructed
[INFO] [stdout]    --> src/main.rs:333:5
[INFO] [stdout]     |
[INFO] [stdout] 331 | enum MergeType {
[INFO] [stdout]     |      --------- variants in this enum
[INFO] [stdout] 332 |     Merge,
[INFO] [stdout] 333 |     Default,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 334 |     FastForward,
[INFO] [stdout] 335 |     Squash,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.92s
[INFO] running `Command { std: "docker" "inspect" "900e261872c5b61a59c4aef88ff081800bc59153a081ad469d114791be14b838", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "900e261872c5b61a59c4aef88ff081800bc59153a081ad469d114791be14b838", kill_on_drop: false }`
[INFO] [stdout] 900e261872c5b61a59c4aef88ff081800bc59153a081ad469d114791be14b838