[INFO] fetching crate mstak 0.5.43...
[INFO] building mstak-0.5.43 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate mstak 0.5.43 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate mstak 0.5.43
[INFO] finished tweaking crates.io crate mstak 0.5.43
[INFO] tweaked toml for crates.io crate mstak 0.5.43 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mstak 0.5.43 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mstak 0.5.43 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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded stak-configuration v0.11.3
[INFO] [stderr]   Downloaded stak-macro-util v0.11.3
[INFO] [stderr]   Downloaded stak-sac v0.11.3
[INFO] [stderr]   Downloaded stak-macro v0.11.3
[INFO] [stderr]   Downloaded stak-compiler v0.11.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a229b451bb9e81b49de6d8e7a5b19cf4458bb88f2bf10bbc3505ddc22287a984
[INFO] running `Command { std: "docker" "start" "-a" "a229b451bb9e81b49de6d8e7a5b19cf4458bb88f2bf10bbc3505ddc22287a984", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a229b451bb9e81b49de6d8e7a5b19cf4458bb88f2bf10bbc3505ddc22287a984", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a229b451bb9e81b49de6d8e7a5b19cf4458bb88f2bf10bbc3505ddc22287a984", kill_on_drop: false }`
[INFO] [stdout] a229b451bb9e81b49de6d8e7a5b19cf4458bb88f2bf10bbc3505ddc22287a984
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 080930f9b61138d0d465a828009cf738b95f7080e5883c0fa0d522da5dd5dc4b
[INFO] running `Command { std: "docker" "start" "-a" "080930f9b61138d0d465a828009cf738b95f7080e5883c0fa0d522da5dd5dc4b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling cfg-elif v0.6.5
[INFO] [stderr]    Compiling noop-executor v0.1.2
[INFO] [stderr]    Compiling heapless v0.9.1
[INFO] [stderr]    Compiling libm v0.2.15
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling linux-raw-sys v0.11.0
[INFO] [stderr]    Compiling stak-util v0.11.3
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling bitflags v2.8.0
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling hash32 v0.3.1
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling stak-compiler v0.11.3
[INFO] [stderr]    Compiling stak-configuration v0.11.3
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling stak-libc v0.11.3
[INFO] [stderr]    Compiling stak-macro-util v0.11.3
[INFO] [stderr]    Compiling winter-maybe-async v0.13.1
[INFO] [stderr]    Compiling stak-vm v0.11.3
[INFO] [stderr]    Compiling stak-device v0.11.3
[INFO] [stderr]    Compiling stak-file v0.11.3
[INFO] [stderr]    Compiling stak-time v0.11.3
[INFO] [stderr]    Compiling stak-inexact v0.11.3
[INFO] [stderr]    Compiling stak-process-context v0.11.3
[INFO] [stderr]    Compiling stak-native v0.11.3
[INFO] [stderr]    Compiling stak-r7rs v0.11.3
[INFO] [stderr]    Compiling stak-macro v0.11.3
[INFO] [stderr]    Compiling stak-sac v0.11.3
[INFO] [stderr]    Compiling mstak v0.5.43 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [optimized + debuginfo] target(s) in 1m 18s
[INFO] running `Command { std: "docker" "inspect" "080930f9b61138d0d465a828009cf738b95f7080e5883c0fa0d522da5dd5dc4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "080930f9b61138d0d465a828009cf738b95f7080e5883c0fa0d522da5dd5dc4b", kill_on_drop: false }`
[INFO] [stdout] 080930f9b61138d0d465a828009cf738b95f7080e5883c0fa0d522da5dd5dc4b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec2387ca6afa2b4c7117ef8a5a409030aeb93b6b3e73f6dd49a5c9b6bd6944d3
[INFO] running `Command { std: "docker" "start" "-a" "ec2387ca6afa2b4c7117ef8a5a409030aeb93b6b3e73f6dd49a5c9b6bd6944d3", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-elif v0.6.5
[INFO] [stderr]    Compiling noop-executor v0.1.2
[INFO] [stderr]    Compiling linux-raw-sys v0.11.0
[INFO] [stderr]    Compiling bitflags v2.8.0
[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 libc v0.2.175
[INFO] [stderr]    Compiling stak-util v0.11.3
[INFO] [stderr]    Compiling stak-vm v0.11.3
[INFO] [stderr]    Compiling stak-configuration v0.11.3
[INFO] [stderr]    Compiling hash32 v0.3.1
[INFO] [stderr]    Compiling heapless v0.9.1
[INFO] [stderr]    Compiling stak-process-context v0.11.3
[INFO] [stderr]    Compiling stak-native v0.11.3
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling stak-inexact v0.11.3
[INFO] [stderr]    Compiling stak-file v0.11.3
[INFO] [stderr]    Compiling stak-device v0.11.3
[INFO] [stderr]    Compiling stak-time v0.11.3
[INFO] [stderr]    Compiling stak-libc v0.11.3
[INFO] [stderr]    Compiling stak-r7rs v0.11.3
[INFO] [stderr]    Compiling stak-sac v0.11.3
[INFO] [stderr]    Compiling mstak v0.5.43 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [optimized + debuginfo] target(s) in 36.68s
[INFO] running `Command { std: "docker" "inspect" "ec2387ca6afa2b4c7117ef8a5a409030aeb93b6b3e73f6dd49a5c9b6bd6944d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec2387ca6afa2b4c7117ef8a5a409030aeb93b6b3e73f6dd49a5c9b6bd6944d3", kill_on_drop: false }`
[INFO] [stdout] ec2387ca6afa2b4c7117ef8a5a409030aeb93b6b3e73f6dd49a5c9b6bd6944d3