[INFO] fetching crate stakk 0.0.0...
[INFO] testing stakk-0.0.0 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate stakk 0.0.0 into /workspace/builds/worker-41/source
[INFO] validating manifest of crates.io crate stakk 0.0.0 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 stakk 0.0.0
[INFO] finished tweaking crates.io crate stakk 0.0.0
[INFO] tweaked toml for crates.io crate stakk 0.0.0 written to /workspace/builds/worker-41/source/Cargo.toml
[INFO] crate crates.io crate stakk 0.0.0 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-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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] eda4c0fb7a20257cefb680bdd13b2f454986e7cc29009a683c31528fe12b5fb8
[INFO] running `Command { std: "docker" "start" "-a" "eda4c0fb7a20257cefb680bdd13b2f454986e7cc29009a683c31528fe12b5fb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eda4c0fb7a20257cefb680bdd13b2f454986e7cc29009a683c31528fe12b5fb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eda4c0fb7a20257cefb680bdd13b2f454986e7cc29009a683c31528fe12b5fb8", kill_on_drop: false }`
[INFO] [stdout] eda4c0fb7a20257cefb680bdd13b2f454986e7cc29009a683c31528fe12b5fb8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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] 7df4afd5da4f1979c0ef1f7871c1af588801f31c8b09bd42697dfba2e9b9148f
[INFO] running `Command { std: "docker" "start" "-a" "7df4afd5da4f1979c0ef1f7871c1af588801f31c8b09bd42697dfba2e9b9148f", kill_on_drop: false }`
[INFO] [stderr]    Compiling stakk v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "7df4afd5da4f1979c0ef1f7871c1af588801f31c8b09bd42697dfba2e9b9148f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7df4afd5da4f1979c0ef1f7871c1af588801f31c8b09bd42697dfba2e9b9148f", kill_on_drop: false }`
[INFO] [stdout] 7df4afd5da4f1979c0ef1f7871c1af588801f31c8b09bd42697dfba2e9b9148f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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] ebd5b7513fa1cd206eb42de49b7b879d83a9e30cb5b966cb3cc288ce5f691026
[INFO] running `Command { std: "docker" "start" "-a" "ebd5b7513fa1cd206eb42de49b7b879d83a9e30cb5b966cb3cc288ce5f691026", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling stakk v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "ebd5b7513fa1cd206eb42de49b7b879d83a9e30cb5b966cb3cc288ce5f691026", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebd5b7513fa1cd206eb42de49b7b879d83a9e30cb5b966cb3cc288ce5f691026", kill_on_drop: false }`
[INFO] [stdout] ebd5b7513fa1cd206eb42de49b7b879d83a9e30cb5b966cb3cc288ce5f691026
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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] 4fcdc9cd52f2b32df1a9a9571b81e172ab9dbcedc541c995e4def4f9f2b43c9a
[INFO] running `Command { std: "docker" "start" "-a" "4fcdc9cd52f2b32df1a9a9571b81e172ab9dbcedc541c995e4def4f9f2b43c9a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/stakk-da8c4d153e6de08f)
[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" "4fcdc9cd52f2b32df1a9a9571b81e172ab9dbcedc541c995e4def4f9f2b43c9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fcdc9cd52f2b32df1a9a9571b81e172ab9dbcedc541c995e4def4f9f2b43c9a", kill_on_drop: false }`
[INFO] [stdout] 4fcdc9cd52f2b32df1a9a9571b81e172ab9dbcedc541c995e4def4f9f2b43c9a