[INFO] fetching crate threeflow 0.3.1...
[INFO] testing threeflow-0.3.1 against 1.99.0-beta.8 for beta-1.100-2
[INFO] extracting crate threeflow 0.3.1 into /workspace/builds/worker-7-tc1/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-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate threeflow 0.3.1 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "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" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded autocfg v1.1.0
[INFO] [stderr]   Downloaded clap_lex v0.2.4
[INFO] [stderr]   Downloaded winapi-util v0.1.6
[INFO] [stderr]   Downloaded textwrap v0.16.0
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[INFO] [stderr]   Downloaded quote v1.0.35
[INFO] [stderr]   Downloaded os_str_bytes v6.6.1
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.91
[INFO] [stderr]   Downloaded log v0.4.20
[INFO] [stderr]   Downloaded once_cell v1.19.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.78
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[INFO] [stderr]   Downloaded wasm-bindgen v0.2.91
[INFO] [stderr]   Downloaded syn v2.0.49
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[INFO] [stderr]   Downloaded windows_aarch64_gnullvm v0.52.0
[INFO] [stderr]   Downloaded windows_x86_64_gnullvm v0.52.0
[INFO] [stderr]   Downloaded libc v0.2.153
[INFO] [stderr]   Downloaded windows_x86_64_msvc v0.52.0
[INFO] [stderr]   Downloaded windows_x86_64_gnu v0.52.0
[INFO] [stderr]   Downloaded windows_aarch64_msvc v0.52.0
[INFO] [stderr]   Downloaded windows_i686_gnu v0.52.0
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 4757535a90e811efbb9afccdcb141adf4e9849ee8aa4d51f93b2cb86b45e4005
[INFO] running `Command { std: "docker" "start" "4757535a90e811efbb9afccdcb141adf4e9849ee8aa4d51f93b2cb86b45e4005", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4757535a90e811efbb9afccdcb141adf4e9849ee8aa4d51f93b2cb86b45e4005", 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" "4757535a90e811efbb9afccdcb141adf4e9849ee8aa4d51f93b2cb86b45e4005" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4757535a90e811efbb9afccdcb141adf4e9849ee8aa4d51f93b2cb86b45e4005", 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" "4757535a90e811efbb9afccdcb141adf4e9849ee8aa4d51f93b2cb86b45e4005" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling os_str_bytes v6.6.1
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling iana-time-zone v0.1.60
[INFO] [stderr]    Compiling textwrap v0.16.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling clap_lex v0.2.4
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling num-traits v0.2.18
[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: 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: 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] 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 13.16s
[INFO] running `Command { std: "docker" "inspect" "4757535a90e811efbb9afccdcb141adf4e9849ee8aa4d51f93b2cb86b45e4005", 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" "4757535a90e811efbb9afccdcb141adf4e9849ee8aa4d51f93b2cb86b45e4005" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json", 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: 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: 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: 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] 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 `test` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "4757535a90e811efbb9afccdcb141adf4e9849ee8aa4d51f93b2cb86b45e4005", 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" "4757535a90e811efbb9afccdcb141adf4e9849ee8aa4d51f93b2cb86b45e4005" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] warning: function `log` is never used
[INFO] [stderr]    --> src/main.rs:292:4
[INFO] [stderr]     |
[INFO] [stderr] 292 | fn log(message: &str) -> Result<(), Box<dyn Error>> {
[INFO] [stderr]     |    ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variants `Default` and `Squash` are never constructed
[INFO] [stderr]    --> src/main.rs:333:5
[INFO] [stderr]     |
[INFO] [stderr] 331 | enum MergeType {
[INFO] [stdout] 
[INFO] [stderr]     |      --------- variants in this enum
[INFO] [stdout] running 0 tests
[INFO] [stderr] 332 |     Merge,
[INFO] [stderr] 333 |     Default,
[INFO] [stderr]     |     ^^^^^^^
[INFO] [stderr] 334 |     FastForward,
[INFO] [stderr] 335 |     Squash,
[INFO] [stderr]     |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: creating a shared reference to mutable static
[INFO] [stderr]    --> src/main.rs:142:32
[INFO] [stderr]     |
[INFO] [stderr] 142 |     let working_dir = unsafe { &WORKING_DIRECTORY };
[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]     = 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] help: use `&raw const` instead to create a raw pointer
[INFO] [stderr]     |
[INFO] [stderr] 142 |     let working_dir = unsafe { &raw const WORKING_DIRECTORY };
[INFO] [stderr]     |                                 +++++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `threeflow` (bin "threeflow" test) generated 3 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/threeflow-c9eff9ccbe6ef14d)
[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" "4757535a90e811efbb9afccdcb141adf4e9849ee8aa4d51f93b2cb86b45e4005", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4757535a90e811efbb9afccdcb141adf4e9849ee8aa4d51f93b2cb86b45e4005", kill_on_drop: false }`
[INFO] [stdout] 4757535a90e811efbb9afccdcb141adf4e9849ee8aa4d51f93b2cb86b45e4005
