[INFO] fetching crate threeflow 0.3.1...
[INFO] building threeflow-0.3.1 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate threeflow 0.3.1 into /workspace/builds/worker-2-tc2/source
[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-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate threeflow 0.3.1 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 24892da714f3534ac08804acd0ca5fd1b0acbf21f4221a56cd60b6c2dfba7b36
[INFO] running `Command { std: "docker" "start" "-a" "24892da714f3534ac08804acd0ca5fd1b0acbf21f4221a56cd60b6c2dfba7b36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "24892da714f3534ac08804acd0ca5fd1b0acbf21f4221a56cd60b6c2dfba7b36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24892da714f3534ac08804acd0ca5fd1b0acbf21f4221a56cd60b6c2dfba7b36", kill_on_drop: false }`
[INFO] [stdout] 24892da714f3534ac08804acd0ca5fd1b0acbf21f4221a56cd60b6c2dfba7b36
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dbb17484b948031491ac265c1e43f201e61a85389b043b5f8496b449340cb1ce
[INFO] running `Command { std: "docker" "start" "-a" "dbb17484b948031491ac265c1e43f201e61a85389b043b5f8496b449340cb1ce", 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]    Compiling os_str_bytes v6.6.1
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling textwrap v0.16.0
[INFO] [stderr]    Compiling iana-time-zone v0.1.60
[INFO] [stderr]    Compiling clap_lex v0.2.4
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v3.2.25
[INFO] [stderr]    Compiling chrono v0.4.34
[INFO] [stderr]    Compiling threeflow v0.3.1 (/opt/rustwide/workdir)
[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)]` (part of `#[warn(unused)]`) 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: creating a shared reference to mutable static
[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 <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[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]     = note: `#[warn(static_mut_refs)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stdout] help: use `&raw const` instead to create a raw pointer
[INFO] [stdout]     |
[INFO] [stdout] 142 |     let working_dir = unsafe { &raw const WORKING_DIRECTORY };
[INFO] [stdout]     |                                 +++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.38s
[INFO] running `Command { std: "docker" "inspect" "dbb17484b948031491ac265c1e43f201e61a85389b043b5f8496b449340cb1ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbb17484b948031491ac265c1e43f201e61a85389b043b5f8496b449340cb1ce", kill_on_drop: false }`
[INFO] [stdout] dbb17484b948031491ac265c1e43f201e61a85389b043b5f8496b449340cb1ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 95d62107fe5660e0f87392468e763c8ee59db4f6c3c002374b7d55affe56e9c3
[INFO] running `Command { std: "docker" "start" "-a" "95d62107fe5660e0f87392468e763c8ee59db4f6c3c002374b7d55affe56e9c3", kill_on_drop: false }`
[INFO] [stderr]    Compiling threeflow v0.3.1 (/opt/rustwide/workdir)
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[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 <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[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]     = note: `#[warn(static_mut_refs)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stdout] help: use `&raw const` instead to create a raw pointer
[INFO] [stdout]     |
[INFO] [stdout] 142 |     let working_dir = unsafe { &raw const WORKING_DIRECTORY };
[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] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "95d62107fe5660e0f87392468e763c8ee59db4f6c3c002374b7d55affe56e9c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95d62107fe5660e0f87392468e763c8ee59db4f6c3c002374b7d55affe56e9c3", kill_on_drop: false }`
[INFO] [stdout] 95d62107fe5660e0f87392468e763c8ee59db4f6c3c002374b7d55affe56e9c3
