[INFO] cloning repository https://github.com/kevinchannon/rust_interop
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kevinchannon/rust_interop" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkevinchannon%2Frust_interop", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkevinchannon%2Frust_interop'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 90c354d89f275110a594e663e9a198b53c963002
[INFO] checking kevinchannon/rust_interop against try#cd420d8bda33494ba3cc45048d5f067484a32b94 for pr-140209-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkevinchannon%2Frust_interop" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] error: failed to write new configuration file /workspace/builds/worker-4-tc2/source/.git/config.lock
[INFO] [stderr] fatal: could not set 'remote.origin.url' to '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkevinchannon%2Frust_interop'
[INFO] checking kevinchannon/rust_interop against try#cd420d8bda33494ba3cc45048d5f067484a32b94 for pr-140209-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkevinchannon%2Frust_interop" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kevinchannon/rust_interop on toolchain cd420d8bda33494ba3cc45048d5f067484a32b94
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cd420d8bda33494ba3cc45048d5f067484a32b94" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kevinchannon/rust_interop
[INFO] finished tweaking git repo https://github.com/kevinchannon/rust_interop
[INFO] tweaked toml for git repo https://github.com/kevinchannon/rust_interop written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/kevinchannon/rust_interop 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" "+cd420d8bda33494ba3cc45048d5f067484a32b94" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+cd420d8bda33494ba3cc45048d5f067484a32b94" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1d98903bd7a9fbdc9f7881702e0ce6e1d487a2d3016890d265ad2e658eb22494
[INFO] running `Command { std: "docker" "start" "-a" "1d98903bd7a9fbdc9f7881702e0ce6e1d487a2d3016890d265ad2e658eb22494", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d98903bd7a9fbdc9f7881702e0ce6e1d487a2d3016890d265ad2e658eb22494", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d98903bd7a9fbdc9f7881702e0ce6e1d487a2d3016890d265ad2e658eb22494", kill_on_drop: false }`
[INFO] [stdout] 1d98903bd7a9fbdc9f7881702e0ce6e1d487a2d3016890d265ad2e658eb22494
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+cd420d8bda33494ba3cc45048d5f067484a32b94" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2cd2217b32829c4436b1253474d592735408fd3fac39cb0d8d52467261dd7f78
[INFO] running `Command { std: "docker" "start" "-a" "2cd2217b32829c4436b1253474d592735408fd3fac39cb0d8d52467261dd7f78", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking rust_interop v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: creating a mutable reference to mutable static is discouraged
[INFO] [stdout]   --> src/interop/detail.rs:78:14
[INFO] [stdout]    |
[INFO] [stdout] 78 |             *STD_ONCE_COUNTER.borrow_mut() = Some(Mutex::new(UserList{users: Vec::<User>::new()}));
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]    = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives
[INFO] [stdout]    = note: `#[warn(static_mut_refs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a mutable reference to mutable static is discouraged
[INFO] [stdout]   --> src/interop/detail.rs:85:14
[INFO] [stdout]    |
[INFO] [stdout] 85 |     unsafe { STD_ONCE_COUNTER.as_mut().unwrap() }
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]    = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a mutable reference to mutable static is discouraged
[INFO] [stdout]   --> src/interop/detail.rs:78:14
[INFO] [stdout]    |
[INFO] [stdout] 78 |             *STD_ONCE_COUNTER.borrow_mut() = Some(Mutex::new(UserList{users: Vec::<User>::new()}));
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]    = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives
[INFO] [stdout]    = note: `#[warn(static_mut_refs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a mutable reference to mutable static is discouraged
[INFO] [stdout]   --> src/interop/detail.rs:85:14
[INFO] [stdout]    |
[INFO] [stdout] 85 |     unsafe { STD_ONCE_COUNTER.as_mut().unwrap() }
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]    = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `Command { std: "docker" "inspect" "2cd2217b32829c4436b1253474d592735408fd3fac39cb0d8d52467261dd7f78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cd2217b32829c4436b1253474d592735408fd3fac39cb0d8d52467261dd7f78", kill_on_drop: false }`
[INFO] [stdout] 2cd2217b32829c4436b1253474d592735408fd3fac39cb0d8d52467261dd7f78