[INFO] fetching crate dynstack 0.4.0...
[INFO] testing dynstack-0.4.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate dynstack 0.4.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate dynstack 0.4.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dynstack 0.4.0
[INFO] finished tweaking crates.io crate dynstack 0.4.0
[INFO] tweaked toml for crates.io crate dynstack 0.4.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 38b233dad3f39d2ad39d27af26d623b45f064d3e87486fbf4f351cbbcd437f65
[INFO] running `Command { std: "docker" "start" "-a" "38b233dad3f39d2ad39d27af26d623b45f064d3e87486fbf4f351cbbcd437f65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "38b233dad3f39d2ad39d27af26d623b45f064d3e87486fbf4f351cbbcd437f65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38b233dad3f39d2ad39d27af26d623b45f064d3e87486fbf4f351cbbcd437f65", kill_on_drop: false }`
[INFO] [stdout] 38b233dad3f39d2ad39d27af26d623b45f064d3e87486fbf4f351cbbcd437f65
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6c24875986a72eb1a7c576f4cc0e8b85733dbf662aa37dd9c2bba920f474b149
[INFO] running `Command { std: "docker" "start" "-a" "6c24875986a72eb1a7c576f4cc0e8b85733dbf662aa37dd9c2bba920f474b149", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling dynstack v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.49s
[INFO] running `Command { std: "docker" "inspect" "6c24875986a72eb1a7c576f4cc0e8b85733dbf662aa37dd9c2bba920f474b149", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c24875986a72eb1a7c576f4cc0e8b85733dbf662aa37dd9c2bba920f474b149", kill_on_drop: false }`
[INFO] [stdout] 6c24875986a72eb1a7c576f4cc0e8b85733dbf662aa37dd9c2bba920f474b149
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4af04453dd12002312c1fb98bc68e7e6dbfdedf5ffe510c2c552e21464d7de15
[INFO] running `Command { std: "docker" "start" "-a" "4af04453dd12002312c1fb98bc68e7e6dbfdedf5ffe510c2c552e21464d7de15", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling gimli v0.25.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling cast v0.1.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.21
[INFO] [stderr]    Compiling thread-scoped v1.0.2
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling itertools v0.4.19
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]    Compiling itertools v0.5.10
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling num_cpus v0.2.13
[INFO] [stderr]    Compiling isatty v0.1.9
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling simplelog v0.4.4
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling criterion-plot v0.1.3
[INFO] [stderr]    Compiling object v0.26.2
[INFO] [stderr]    Compiling criterion-stats v0.1.3
[INFO] [stderr]    Compiling addr2line v0.16.0
[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling criterion v0.1.2
[INFO] [stderr]    Compiling dynstack v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/lib.rs:484:6
[INFO] [stdout]     |
[INFO] [stdout] 484 |     };
[INFO] [stdout]     |      ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 15.78s
[INFO] running `Command { std: "docker" "inspect" "4af04453dd12002312c1fb98bc68e7e6dbfdedf5ffe510c2c552e21464d7de15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4af04453dd12002312c1fb98bc68e7e6dbfdedf5ffe510c2c552e21464d7de15", kill_on_drop: false }`
[INFO] [stdout] 4af04453dd12002312c1fb98bc68e7e6dbfdedf5ffe510c2c552e21464d7de15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 088f5ee6fda4d46484c6653c5d972204107dcba2c0e7294970047950fcf764c9
[INFO] running `Command { std: "docker" "start" "-a" "088f5ee6fda4d46484c6653c5d972204107dcba2c0e7294970047950fcf764c9", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/lib.rs:484:6
[INFO] [stderr]     |
[INFO] [stderr] 484 |     };
[INFO] [stderr]     |      ^ help: remove this semicolon
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `dynstack` (lib test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/dynstack-25938362d51f76f5)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test test_align_up ... ok
[INFO] [stdout] test test_drop ... ok
[INFO] [stdout] test test_iter_size_hint ... ok
[INFO] [stdout] test test_fn ... ok
[INFO] [stdout] test test_align ... ok
[INFO] [stdout] test test_push_pop ... ok
[INFO] [stdout] test test_send ... ok
[INFO] [stdout] test test_non_dyn - should panic ... ok
[INFO] [stdout] test test_sync ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests dynstack
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - DynStack<T>::new_unchecked (line 155) ... ok
[INFO] [stdout] test src/lib.rs - (line 5) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.64s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "088f5ee6fda4d46484c6653c5d972204107dcba2c0e7294970047950fcf764c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "088f5ee6fda4d46484c6653c5d972204107dcba2c0e7294970047950fcf764c9", kill_on_drop: false }`
[INFO] [stdout] 088f5ee6fda4d46484c6653c5d972204107dcba2c0e7294970047950fcf764c9