[INFO] fetching crate dynstack 0.4.0...
[INFO] testing dynstack-0.4.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate dynstack 0.4.0 into /workspace/builds/worker-23/source
[INFO] validating manifest of crates.io crate dynstack 0.4.0 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 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-23/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded thread-scoped v1.0.2
[INFO] [stderr]   Downloaded cast v0.1.0
[INFO] [stderr]   Downloaded itertools v0.5.10
[INFO] [stderr]   Downloaded criterion-stats v0.1.3
[INFO] [stderr]   Downloaded criterion-plot v0.1.3
[INFO] [stderr]   Downloaded num_cpus v0.2.13
[INFO] [stderr]   Downloaded isatty v0.1.9
[INFO] [stderr]   Downloaded criterion v0.1.2
[INFO] [stderr]   Downloaded simplelog v0.4.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] 0c54d27fb85cd0368b60cb51244f3f2f5e265e49584ac6b875934faa161e6602
[INFO] running `Command { std: "docker" "start" "-a" "0c54d27fb85cd0368b60cb51244f3f2f5e265e49584ac6b875934faa161e6602", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0c54d27fb85cd0368b60cb51244f3f2f5e265e49584ac6b875934faa161e6602", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c54d27fb85cd0368b60cb51244f3f2f5e265e49584ac6b875934faa161e6602", kill_on_drop: false }`
[INFO] [stdout] 0c54d27fb85cd0368b60cb51244f3f2f5e265e49584ac6b875934faa161e6602
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] 0c55af6b64e6712418b62741c823472e90559575791894f94922d45b3d588859
[INFO] running `Command { std: "docker" "start" "-a" "0c55af6b64e6712418b62741c823472e90559575791894f94922d45b3d588859", 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 1.34s
[INFO] running `Command { std: "docker" "inspect" "0c55af6b64e6712418b62741c823472e90559575791894f94922d45b3d588859", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c55af6b64e6712418b62741c823472e90559575791894f94922d45b3d588859", kill_on_drop: false }`
[INFO] [stdout] 0c55af6b64e6712418b62741c823472e90559575791894f94922d45b3d588859
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] 42e9b04d0bfc39793831ecec69363539cd07537d094030eeff1b3dd2892af132
[INFO] running `Command { std: "docker" "start" "-a" "42e9b04d0bfc39793831ecec69363539cd07537d094030eeff1b3dd2892af132", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cast v0.1.0
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]    Compiling thread-scoped v1.0.2
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling itertools v0.4.19
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling itertools v0.5.10
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling num_cpus v0.2.13
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling isatty v0.1.9
[INFO] [stderr]    Compiling backtrace v0.3.64
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling simplelog v0.4.4
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling criterion-plot v0.1.3
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling criterion-stats v0.1.3
[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 5.18s
[INFO] running `Command { std: "docker" "inspect" "42e9b04d0bfc39793831ecec69363539cd07537d094030eeff1b3dd2892af132", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42e9b04d0bfc39793831ecec69363539cd07537d094030eeff1b3dd2892af132", kill_on_drop: false }`
[INFO] [stdout] 42e9b04d0bfc39793831ecec69363539cd07537d094030eeff1b3dd2892af132
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] 68e3f6acb76aacc59d1ce21fa9ee2af7edcec621e242efdf499cc09c3dedab21
[INFO] running `Command { std: "docker" "start" "-a" "68e3f6acb76aacc59d1ce21fa9ee2af7edcec621e242efdf499cc09c3dedab21", 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] [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 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/dynstack-8f694321f2f53854)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test test_align_up ... ok
[INFO] [stdout] test test_align ... ok
[INFO] [stdout] test test_drop ... ok
[INFO] [stdout] test test_fn ... ok
[INFO] [stdout] test test_iter_size_hint ... 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 0.03s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests dynstack
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 5) ... ok
[INFO] [stdout] test src/lib.rs - DynStack<T>::new_unchecked (line 155) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.26s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "68e3f6acb76aacc59d1ce21fa9ee2af7edcec621e242efdf499cc09c3dedab21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68e3f6acb76aacc59d1ce21fa9ee2af7edcec621e242efdf499cc09c3dedab21", kill_on_drop: false }`
[INFO] [stdout] 68e3f6acb76aacc59d1ce21fa9ee2af7edcec621e242efdf499cc09c3dedab21