[INFO] fetching crate stack_dst 0.6.1...
[INFO] testing stack_dst-0.6.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate stack_dst 0.6.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate stack_dst 0.6.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate stack_dst 0.6.1
[INFO] finished tweaking crates.io crate stack_dst 0.6.1
[INFO] tweaked toml for crates.io crate stack_dst 0.6.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 75c3c0de3b3a302e38e46acac3c05afc946ceccbb41453ac3835644cfea5875e
[INFO] running `Command { std: "docker" "start" "-a" "75c3c0de3b3a302e38e46acac3c05afc946ceccbb41453ac3835644cfea5875e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "75c3c0de3b3a302e38e46acac3c05afc946ceccbb41453ac3835644cfea5875e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75c3c0de3b3a302e38e46acac3c05afc946ceccbb41453ac3835644cfea5875e", kill_on_drop: false }`
[INFO] [stdout] 75c3c0de3b3a302e38e46acac3c05afc946ceccbb41453ac3835644cfea5875e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc1b200ac87404204fb6c2a18553fda7129c57458e5a5f570ea62b2a80139dd0
[INFO] running `Command { std: "docker" "start" "-a" "dc1b200ac87404204fb6c2a18553fda7129c57458e5a5f570ea62b2a80139dd0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling stack_dst v0.6.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "dc1b200ac87404204fb6c2a18553fda7129c57458e5a5f570ea62b2a80139dd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc1b200ac87404204fb6c2a18553fda7129c57458e5a5f570ea62b2a80139dd0", kill_on_drop: false }`
[INFO] [stdout] dc1b200ac87404204fb6c2a18553fda7129c57458e5a5f570ea62b2a80139dd0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1657ea7a6f8820923c79d000a6fa31c2f3c328b1681df22a238bf100a3845436
[INFO] running `Command { std: "docker" "start" "-a" "1657ea7a6f8820923c79d000a6fa31c2f3c328b1681df22a238bf100a3845436", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling stack_dst v0.6.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "1657ea7a6f8820923c79d000a6fa31c2f3c328b1681df22a238bf100a3845436", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1657ea7a6f8820923c79d000a6fa31c2f3c328b1681df22a238bf100a3845436", kill_on_drop: false }`
[INFO] [stdout] 1657ea7a6f8820923c79d000a6fa31c2f3c328b1681df22a238bf100a3845436
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1a570591ab82db1b62a3801c0a3ad223bc34daf60eadee01f42baa865bec0eaa
[INFO] running `Command { std: "docker" "start" "-a" "1a570591ab82db1b62a3801c0a3ad223bc34daf60eadee01f42baa865bec0eaa", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/stack_dst-79df24fe6fc6dd9c)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running tests/stack.rs (/opt/rustwide/target/debug/deps/stack-560c4c74ed4a6bc1)
[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] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test destructors ... ok
[INFO] [stdout] test limits ... ok
[INFO] [stdout] test slices ... ok
[INFO] [stdout] test trivial_type ... ok
[INFO] [stdout] test strings ... ok
[INFO] [stdout] test slice_push_panic_safety ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/value.rs (/opt/rustwide/target/debug/deps/value-71d817f81a8156b0)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test closure ... ok
[INFO] [stdout] test ensure_drop ... ok
[INFO] [stdout] test many_instances ... ok
[INFO] [stdout] test oversize ... ok
[INFO] [stdout] test option ... ok
[INFO] [stdout] test trivial_type ... ok
[INFO] [stdout] test stable_closure_different_pointer - should panic ... ok
[INFO] [stdout] test stable_closure_subset - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests stack_dst
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 22) ... ok
[INFO] [stdout] test src/lib.rs - (line 10) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.48s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1a570591ab82db1b62a3801c0a3ad223bc34daf60eadee01f42baa865bec0eaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a570591ab82db1b62a3801c0a3ad223bc34daf60eadee01f42baa865bec0eaa", kill_on_drop: false }`
[INFO] [stdout] 1a570591ab82db1b62a3801c0a3ad223bc34daf60eadee01f42baa865bec0eaa