[INFO] fetching crate ascent 0.8.0...
[INFO] checking ascent-0.8.0 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate ascent 0.8.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate ascent 0.8.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate ascent 0.8.0
[INFO] tweaked toml for crates.io crate ascent 0.8.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ascent 0.8.0 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ascent 0.8.0 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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2c0a59db24b1e85fc9fa263480417da34803a822f5b86132361d30f797d727eb
[INFO] running `Command { std: "docker" "start" "-a" "2c0a59db24b1e85fc9fa263480417da34803a822f5b86132361d30f797d727eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c0a59db24b1e85fc9fa263480417da34803a822f5b86132361d30f797d727eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c0a59db24b1e85fc9fa263480417da34803a822f5b86132361d30f797d727eb", kill_on_drop: false }`
[INFO] [stdout] 2c0a59db24b1e85fc9fa263480417da34803a822f5b86132361d30f797d727eb
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2bf94423dc83e0be4e7506dcad5b23cc7959a5b48aaf0750b85dc3866481cfbf
[INFO] running `Command { std: "docker" "start" "-a" "2bf94423dc83e0be4e7506dcad5b23cc7959a5b48aaf0750b85dc3866481cfbf", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]     Checking zerocopy v0.7.34
[INFO] [stderr]     Checking either v1.12.0
[INFO] [stderr]     Checking allocator-api2 v0.2.18
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling fixedbitset v0.4.2
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling ascent_base v0.8.0
[INFO] [stderr]    Compiling duplicate v2.0.0
[INFO] [stderr]     Checking instant v0.1.13
[INFO] [stderr]     Checking boxcar v0.1.0
[INFO] [stderr]     Checking rustc-hash v2.1.0
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling indexmap v2.2.6
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling syn v2.0.67
[INFO] [stderr]    Compiling petgraph v0.6.5
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking dashmap v5.5.3
[INFO] [stderr]    Compiling derive-syn-parse v0.2.0
[INFO] [stderr]    Compiling ascent_macro v0.8.0
[INFO] [stderr]     Checking ascent v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr] WARNING: cannot determine free variables of macro invocations. macro invocation:
[INFO] [stderr] nil! ()
[INFO] [stderr] WARNING: cannot determine free variables of macro invocations. macro invocation:
[INFO] [stderr] cons! ('a', nil!())
[INFO] [stderr] WARNING: cannot determine free variables of macro invocations. macro invocation:
[INFO] [stderr] cons! ('b', nil!())
[INFO] [stderr] WARNING: cannot determine free variables of macro invocations. macro invocation:
[INFO] [stderr] cons! ('c', nil!())
[INFO] [stderr] WARNING: cannot determine free variables of macro invocations. macro invocation:
[INFO] [stderr] cons! ('a', cons!('b', nil!()))
[INFO] [stderr] WARNING: cannot determine free variables of macro invocations. macro invocation:
[INFO] [stderr] cons! ('a', cons!('b', cons!('a', nil!())))
[INFO] [stderr] WARNING: cannot determine free variables of macro invocations. macro invocation:
[INFO] [stderr] cons! ('a', cons!('b', cons!('c', nil!())))
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.64s
[INFO] running `Command { std: "docker" "inspect" "2bf94423dc83e0be4e7506dcad5b23cc7959a5b48aaf0750b85dc3866481cfbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bf94423dc83e0be4e7506dcad5b23cc7959a5b48aaf0750b85dc3866481cfbf", kill_on_drop: false }`
[INFO] [stdout] 2bf94423dc83e0be4e7506dcad5b23cc7959a5b48aaf0750b85dc3866481cfbf