[INFO] fetching crate mstak 0.5.45...
[INFO] building mstak-0.5.45 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate mstak 0.5.45 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate mstak 0.5.45
[INFO] finished tweaking crates.io crate mstak 0.5.45
[INFO] tweaked toml for crates.io crate mstak 0.5.45 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mstak 0.5.45 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mstak 0.5.45 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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4a2401d3b56363cea365d4a6e89e0b71aca7177fcc7ac0daf3d86d68cb300735
[INFO] running `Command { std: "docker" "start" "-a" "4a2401d3b56363cea365d4a6e89e0b71aca7177fcc7ac0daf3d86d68cb300735", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4a2401d3b56363cea365d4a6e89e0b71aca7177fcc7ac0daf3d86d68cb300735", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a2401d3b56363cea365d4a6e89e0b71aca7177fcc7ac0daf3d86d68cb300735", kill_on_drop: false }`
[INFO] [stdout] 4a2401d3b56363cea365d4a6e89e0b71aca7177fcc7ac0daf3d86d68cb300735
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c02e1cd007f7a42e38e4c18f46b69c2584ce21c412451b08d578fc83aa4c3f0d
[INFO] running `Command { std: "docker" "start" "-a" "c02e1cd007f7a42e38e4c18f46b69c2584ce21c412451b08d578fc83aa4c3f0d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling noop-executor v0.1.2
[INFO] [stderr]    Compiling cfg-elif v0.6.5
[INFO] [stderr]    Compiling libm v0.2.15
[INFO] [stderr]    Compiling heapless v0.9.1
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling bitflags v2.8.0
[INFO] [stderr]    Compiling linux-raw-sys v0.11.0
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling stak-compiler v0.11.5
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling stak-util v0.11.5
[INFO] [stderr]    Compiling stak-configuration v0.11.5
[INFO] [stderr]    Compiling hash32 v0.3.1
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling stak-libc v0.11.5
[INFO] [stderr]    Compiling stak-macro-util v0.11.5
[INFO] [stderr]    Compiling winter-maybe-async v0.13.1
[INFO] [stderr]    Compiling stak-vm v0.11.5
[INFO] [stderr]    Compiling stak-time v0.11.5
[INFO] [stderr]    Compiling stak-process-context v0.11.5
[INFO] [stderr]    Compiling stak-file v0.11.5
[INFO] [stderr]    Compiling stak-inexact v0.11.5
[INFO] [stderr]    Compiling stak-device v0.11.5
[INFO] [stderr]    Compiling stak-native v0.11.5
[INFO] [stderr]    Compiling stak-r7rs v0.11.5
[INFO] [stderr]    Compiling stak-macro v0.11.5
[INFO] [stderr]    Compiling stak-sac v0.11.5
[INFO] [stderr]    Compiling mstak v0.5.45 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [optimized + debuginfo] target(s) in 51.90s
[INFO] running `Command { std: "docker" "inspect" "c02e1cd007f7a42e38e4c18f46b69c2584ce21c412451b08d578fc83aa4c3f0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c02e1cd007f7a42e38e4c18f46b69c2584ce21c412451b08d578fc83aa4c3f0d", kill_on_drop: false }`
[INFO] [stdout] c02e1cd007f7a42e38e4c18f46b69c2584ce21c412451b08d578fc83aa4c3f0d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] af97eb7d6f01516e224e80638275464f1b8638ea3b591c3d7e0ed0c7c1137482
[INFO] running `Command { std: "docker" "start" "-a" "af97eb7d6f01516e224e80638275464f1b8638ea3b591c3d7e0ed0c7c1137482", kill_on_drop: false }`
[INFO] [stderr]    Compiling noop-executor v0.1.2
[INFO] [stderr]    Compiling cfg-elif v0.6.5
[INFO] [stderr]    Compiling bitflags v2.8.0
[INFO] [stderr]    Compiling linux-raw-sys v0.11.0
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling libm v0.2.15
[INFO] [stderr]    Compiling stak-configuration v0.11.5
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling stak-util v0.11.5
[INFO] [stderr]    Compiling stak-vm v0.11.5
[INFO] [stderr]    Compiling hash32 v0.3.1
[INFO] [stderr]    Compiling heapless v0.9.1
[INFO] [stderr]    Compiling stak-native v0.11.5
[INFO] [stderr]    Compiling stak-process-context v0.11.5
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling stak-inexact v0.11.5
[INFO] [stderr]    Compiling stak-file v0.11.5
[INFO] [stderr]    Compiling stak-device v0.11.5
[INFO] [stderr]    Compiling stak-time v0.11.5
[INFO] [stderr]    Compiling stak-libc v0.11.5
[INFO] [stderr]    Compiling stak-r7rs v0.11.5
[INFO] [stderr]    Compiling stak-sac v0.11.5
[INFO] [stderr]    Compiling mstak v0.5.45 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [optimized + debuginfo] target(s) in 34.94s
[INFO] running `Command { std: "docker" "inspect" "af97eb7d6f01516e224e80638275464f1b8638ea3b591c3d7e0ed0c7c1137482", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af97eb7d6f01516e224e80638275464f1b8638ea3b591c3d7e0ed0c7c1137482", kill_on_drop: false }`
[INFO] [stdout] af97eb7d6f01516e224e80638275464f1b8638ea3b591c3d7e0ed0c7c1137482