[INFO] fetching crate stack-machine 0.1.0...
[INFO] testing stack-machine-0.1.0 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate stack-machine 0.1.0 into /workspace/builds/worker-83/source
[INFO] validating manifest of crates.io crate stack-machine 0.1.0 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate stack-machine 0.1.0
[INFO] finished tweaking crates.io crate stack-machine 0.1.0
[INFO] tweaked toml for crates.io crate stack-machine 0.1.0 written to /workspace/builds/worker-83/source/Cargo.toml
[INFO] crate crates.io crate stack-machine 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9b1819f1124651b3de347a8d2501969e9a67fad8ed17464f4e7e0815425358cb
[INFO] running `Command { std: "docker" "start" "-a" "9b1819f1124651b3de347a8d2501969e9a67fad8ed17464f4e7e0815425358cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b1819f1124651b3de347a8d2501969e9a67fad8ed17464f4e7e0815425358cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b1819f1124651b3de347a8d2501969e9a67fad8ed17464f4e7e0815425358cb", kill_on_drop: false }`
[INFO] [stdout] 9b1819f1124651b3de347a8d2501969e9a67fad8ed17464f4e7e0815425358cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8a5489cced06cdd7a4f462ab76b5366a22d2a2fe4a790eadbb69b116720b4ab1
[INFO] running `Command { std: "docker" "start" "-a" "8a5489cced06cdd7a4f462ab76b5366a22d2a2fe4a790eadbb69b116720b4ab1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling stack-machine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.83s
[INFO] running `Command { std: "docker" "inspect" "8a5489cced06cdd7a4f462ab76b5366a22d2a2fe4a790eadbb69b116720b4ab1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a5489cced06cdd7a4f462ab76b5366a22d2a2fe4a790eadbb69b116720b4ab1", kill_on_drop: false }`
[INFO] [stdout] 8a5489cced06cdd7a4f462ab76b5366a22d2a2fe4a790eadbb69b116720b4ab1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e0847d96ddc2f3e5f79a3bbb0083de17547f9ce276187db4a27fdb0f2e973250
[INFO] running `Command { std: "docker" "start" "-a" "e0847d96ddc2f3e5f79a3bbb0083de17547f9ce276187db4a27fdb0f2e973250", kill_on_drop: false }`
[INFO] [stderr]    Compiling stack-machine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "e0847d96ddc2f3e5f79a3bbb0083de17547f9ce276187db4a27fdb0f2e973250", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0847d96ddc2f3e5f79a3bbb0083de17547f9ce276187db4a27fdb0f2e973250", kill_on_drop: false }`
[INFO] [stdout] e0847d96ddc2f3e5f79a3bbb0083de17547f9ce276187db4a27fdb0f2e973250
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9fb3621df948b88b20d17aa2a9806896fec622f60824ec9586ac90f413c5740c
[INFO] running `Command { std: "docker" "start" "-a" "9fb3621df948b88b20d17aa2a9806896fec622f60824ec9586ac90f413c5740c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/stack_machine-68d648f2bf971c70)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[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" "9fb3621df948b88b20d17aa2a9806896fec622f60824ec9586ac90f413c5740c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fb3621df948b88b20d17aa2a9806896fec622f60824ec9586ac90f413c5740c", kill_on_drop: false }`
[INFO] [stdout] 9fb3621df948b88b20d17aa2a9806896fec622f60824ec9586ac90f413c5740c