[INFO] fetching crate stacker 0.1.14...
[INFO] testing stacker-0.1.14 against 1.60.0 for beta-1.61-1
[INFO] extracting crate stacker 0.1.14 into /workspace/builds/worker-21/source
[INFO] validating manifest of crates.io crate stacker 0.1.14 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate stacker 0.1.14
[INFO] finished tweaking crates.io crate stacker 0.1.14
[INFO] tweaked toml for crates.io crate stacker 0.1.14 written to /workspace/builds/worker-21/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 69a46c1af205b5aeee7d8846b64da7fb809142d2a8ed77fa7ffd98781458eaa7
[INFO] running `Command { std: "docker" "start" "-a" "69a46c1af205b5aeee7d8846b64da7fb809142d2a8ed77fa7ffd98781458eaa7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "69a46c1af205b5aeee7d8846b64da7fb809142d2a8ed77fa7ffd98781458eaa7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69a46c1af205b5aeee7d8846b64da7fb809142d2a8ed77fa7ffd98781458eaa7", kill_on_drop: false }`
[INFO] [stdout] 69a46c1af205b5aeee7d8846b64da7fb809142d2a8ed77fa7ffd98781458eaa7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c6f981bb5d9110473eac51f6a54fa00150d8836ba91248666f048fc3cf72161e
[INFO] running `Command { std: "docker" "start" "-a" "c6f981bb5d9110473eac51f6a54fa00150d8836ba91248666f048fc3cf72161e", kill_on_drop: false }`
[INFO] [stderr]    Compiling psm v0.1.18
[INFO] [stderr]    Compiling stacker v0.1.14 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.27s
[INFO] running `Command { std: "docker" "inspect" "c6f981bb5d9110473eac51f6a54fa00150d8836ba91248666f048fc3cf72161e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6f981bb5d9110473eac51f6a54fa00150d8836ba91248666f048fc3cf72161e", kill_on_drop: false }`
[INFO] [stdout] c6f981bb5d9110473eac51f6a54fa00150d8836ba91248666f048fc3cf72161e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1745ed42e6330d56ab8b6987a3c05a9dcce05594e212c183609b5c84300bce76
[INFO] running `Command { std: "docker" "start" "-a" "1745ed42e6330d56ab8b6987a3c05a9dcce05594e212c183609b5c84300bce76", kill_on_drop: false }`
[INFO] [stderr]    Compiling stacker v0.1.14 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "1745ed42e6330d56ab8b6987a3c05a9dcce05594e212c183609b5c84300bce76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1745ed42e6330d56ab8b6987a3c05a9dcce05594e212c183609b5c84300bce76", kill_on_drop: false }`
[INFO] [stdout] 1745ed42e6330d56ab8b6987a3c05a9dcce05594e212c183609b5c84300bce76
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b842415cb96baa14603100bc944d32bc9079a9455d2b2cc13a39c8883fe5cbf5
[INFO] running `Command { std: "docker" "start" "-a" "b842415cb96baa14603100bc944d32bc9079a9455d2b2cc13a39c8883fe5cbf5", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running tests/simple.rs (/opt/rustwide/target/debug/deps/simple-5129169c19fea803)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test foo ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.63s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/smoke.rs (/opt/rustwide/target/debug/deps/smoke-a2fb6985bfe02e27)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test catch_panic_leaf ... ok
[INFO] [stdout] test catch_panic_inside ... ok
[INFO] [stdout] test catch_panic ... ok
[INFO] [stdout] test deep ... ok
[INFO] [stdout] test panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.38s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b842415cb96baa14603100bc944d32bc9079a9455d2b2cc13a39c8883fe5cbf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b842415cb96baa14603100bc944d32bc9079a9455d2b2cc13a39c8883fe5cbf5", kill_on_drop: false }`
[INFO] [stdout] b842415cb96baa14603100bc944d32bc9079a9455d2b2cc13a39c8883fe5cbf5